YORKVILLE AP1212 User manual

U.S.A.
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: [phone]
Fax: [phone]
WORLD HEADQUARTERS
CANADA
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: [phone]
Fax: [phone]
Quality and Innovation Since 1963
Printed in Canada
smap12xx.pdf v.2.0 11/99
prev. rev. 06/93
SERVICE MANUAL
1. Parts List
2. Specifications
4. Boards
• M1048a Schematic
• M1048a PCB layout
• M1049a Schematic
• M1049a PCB layout
• M1054 Schematic
• M1054 PCB layout
• M1055 Schematic
• M1055 PCB layout
• M1055 / M1056 combo Schematic
• M1056 PCB layout
• M1057 Schematic
• M1057 PCB layout
• M1061 See Notes Page
• M1062 Schematic
• M1062 PCB layout
• M1081 notes
5. Fan Filter Installation
6. Service Bulletin
7. Contact Information
3. Special Notes
AP1212
AP1216
AP1220
WEB ACCESS: http://www.yorkville.com

YSL PART YSL PARTDESCRIPTION QTY DESCRIPTION QTY YSL PART DESCRIPTION QTY YSL PART DESCRIPTION QTY YSL PART DESCRIPTION QTY
4563 50K ROT 1B D SFT V 16M 4 5203 47P 100V 2% CAP T&R RCE .2" 3 5423 1N2 50V BD CAP T&R 24 6466 1N5256B 30V0 0W5 ZENER 5% T 1
4564 20K ROT 1B D SFT V 16M S 4 5204 10N 100V 10% CAP T&R RPE .2" 8 5600 220N 100V CAP 4 6472 4K7 3% 0W0 THERMISTOR 1
4574 10K SLD 1B S V 60M WHT 12 5204 10N 100V 10% CAP T&R RPE .2" 1 5621 470U 63V CAP REL 6 6474 10R 3% 0W0 PTC THERMISTO 1
4577 20K SLD 20A V 60M M 1 5206 1N 400V 5% CAP T&R RPE .2" 2 5621 470U 63V CAP REL 1 6474 10R 3% 0W0 PTC THERMISTO 7
4581 ROTARY ENCODER 4-BIT VER PCB DSH 1 5206 1N 400V 5% CAP T&R RPE .2" 4 5623 330U 16V CAP 1 6475 1N5262B 51V0 0W5 ZENER 5% T 2
4582 50K SLD V 60M M 4 5206 1N 400V 5% CAP T&R RPE .2" 2 5627 47U 10V CAP RNP 6 6477 100K 5% 1/4W THERMISTOR T&R 0. 2
2438 12.0 AMP SLO-BLO .25X1.25 F 2 4606 249R 2% 1/8W RES T&R FLPR 11 5207 18N 100V 5% CAP T&R RPE .2" 3 5631 22U 50V CAP T&R .2" 6.3X7 8 6477 100K 5% 1/4W THERMISTOR T&R 0. 1
2449 1.0 AMP SLO-BLO .25X1.25 F 1 4609 1K 2% 1/8W RES T&R FLPR 4 5208 2N2 400V 5% CAP T&R RPE .2" 3 5632 470U 63V RAD CAP LOW ESR BLK 4 6737 MTP12P10 TO220 P CHAN MOSFE 2
2484 15.0 AMP SLO-BLO .25X1.25 F 2 4639 4K99 1% 1/4W RES T&R 60 5209 4N7 250V 5% CAP T&R RPE .2" 6 5816 680P 100V 5% CAP RCE .2" NPO O 2 6745 LM13600N IC XCONDUCTANCE AMP 1
3414 INTERNATIONAL PC MOUNT FUSEHOLDE 10 4639 4K99 1% 1/4W RES T&R 2 5210 22N 100V 10% CAP T&R RPE .2" 4 5819 470P 160V 1% CAP T&R AX 2 6752 MTP10N12L TO220 N CHAN MOSFE 2
3422 THERMO SW N/CLOSED OP/140F CL/12 1 4639 4K99 1% 1/4W RES T&R 2 5210 22N 100V 10% CAP T&R RPE .2" 12 5859 4700U 50V CAP REL SNAP- 2 6777 MTA2955 TO220 P CHAN MOSFE 1
3437 DPDT PUSH SW PCMT V MINIATURE 5 4698 471R0 1% 1/8 RES T&R FLPROOF 4 5210 22N 100V 10% CAP T&R RPE .2" 7 5861 4U7 63V AX CAP T&R 1 6778 MTA3055E TO220 N CHAN MOSFE 1
3439 SP SERIES VERTICAL MOM PCB SWITC 2 4699 1K5 5% 10W RES WEAFER 4 5210 22N 100V 10% CAP T&R RPE .2" 3 5865 100N 250V CAP 1 6788 BD238 TO126 PNP TRANS 1
3448 REAN JACK NUT WHITE 3 4733 5R6 5% 5W RES BLK 2 5222 33N 100V 10% CAP T&R RPE .2" 6 5868 4700U 16V 10% CAP REL 1 6798 MC4741CP IC QUAD OP AMP 2
3449 REAN JACK NUT RED 3 4745 0R1 10% 5W RES BLK 8 5224 47N 100V 10% CAP T&R RPE .2" 2 5876 1U 63V AX CAP T&R 2 6811 MJF15031 TO220 PNP TRANS 1
3482 3/16 AWG SJT LINE CORD 3 PRONG 1 4748 3R9 5% 2W RES BLK 4 5224 47N 100V 10% CAP T&R RPE .2" 3 5879 100U 16V CAP T&R .2" 8X7MM 12 6824 1N5246B 16V0 0W5 ZENER 5% T 6
3498 M203-92 PLAIN PC MNT JK SKT 12 4762 9K760 1/4W RES T&R 0.1%**** 8 5226 68N 100V 5% CAP T&R .2" 3 5883 150U 100V RAD CAP 2 6824 1N5246B 16V0 0W5 ZENER 5% T 1
3498 M203-92 PLAIN PC MNT JK SKT 1 4766 11R3 1% 1/4W RES T&R PRF 4 5227 82N 100V 5% CAP T&R RPE .2" 3 5888 2200U 25V CAP REL 2 6825 1N4148 75V 0A45 DIODE T&R 42
3501 B52200F006 COMP WASH #4 SMALL 1 4767 36K 1% 1/4W RES T&R PRF 4 5228 100N 100V 5% CAP T&R RPE .2" 4 5889 5600U 100V CAP REL 4 6825 1N4148 75V 0A45 DIODE T&R 96
3521 SIDE ENTRY PCB CONN .156 8POS 3 4770 249R 1% 1/4W RES T&R 12 5228 100N 100V 5% CAP T&R RPE .2" 2 5914 100U 63V CAP REL 1 6825 1N4148 75V 0A45 DIODE T&R 9
3521 SIDE ENTRY PCB CONN .156 8POS 1 4770 249R 1% 1/4W RES T&R 24 5228 100N 100V 5% CAP T&R RPE .2" 24 5936 15N 400V CAP 2 6840 MC33078P IC DUAL OP AMP 18
3523 M203-92A GOLD TIP PC MNT JK SKT 12 4775 14K0 1% 1/4W RES T&R 36 5228 100N 100V 5% CAP T&R RPE .2" 19 5945 10U 50V CAP REL 2 6840 MC33078P IC DUAL OP AMP 5
3545 ANGLE BRACKET .5" X .5" X .5" 3 4775 14K0 1% 1/4W RES T&R 14 5228 100N 100V 5% CAP T&R RPE .2" 1 5945 10U 50V CAP REL 1 6855 NJM7805FA 5V0 POS REGULATOR 1
3548 SIDE ENTRY PCB CONN .156 4POS 1 4799 562R 1% 1/4W RES T&R 24 5230 180N 63V 5% CAP T&R RPE .2" 3 5961 33U 16V NP CAP T&R RAD 6X7MM 15 6856 NJM7815FA 15V0 POS REGULATOR 1
3552 NYLON SPRING CLAMP 1 4800 10K0 1% 1/4W RES T&R 4 5231 220N 63V 10% CAP T&R RPE .2" 8 5961 33U 16V NP CAP T&R RAD 6X7MM 2 6857 NJM7915FA 15V0 NEG REGULATOR 1
3590 12.0 AMP SWITCH BREAKER WHITE 1 4800 10K0 1% 1/4W RES T&R 14 5231 220N 63V 10% CAP T&R RPE .2" 1 5992 9 PIN SINGLE-IN-LINE IC SOCKET 2 6869 4N25 OPTO-COUPLER 4
3596 36PIN BREAKAWAY .15GOLD .100 1 4801 6K98 1% 1/4W RES T&R 16 5233 330N 63V 5% CAP T&R RPE .2" 7 5996 RED 1.5 LED 0V0 00MA 7SEG DISP 1 6873 MJE340 TO126 NPN TRANS 1
3597 PCB CONN 12 CIR BOTTOM .100 1 4801 6K98 1% 1/4W RES T&R 24 5240 680N 63V 10% CAP T&R RPE .2" 3 5998 GREEN 3MM LED 1V7 20MA RAD T&R 20 6880 4N35 OPTO-COUPLER 2
3598 16 PIN 25SQ 100 DIL VOIDA1 1 4805 2K87 1% 1/4W RES T&R 6 5254 1U 63V 20% CAP T&R REL .2" 4 2 5999 RED 3MM LED 1V9 20MA RAD T&R 9 6882 TL072CP IC FET DUAL OP AMP 2
3599 16 SKT 25SQ 100 DIL DUAL-ENTRY 1 4883 2K49 1% 1/4W RES T&R 2 5255 1U 63V 20% CAP T&R REL .2" 2 6120 100K 5% 1/4W RES T&R MINI 6 6882 TL072CP IC FET DUAL OP AMP 18
3611 TELEPHONE JACK 8 CIR 90 LP 1 4917 31K6 1% 1/4W RES T&R 6 5255 1U 63V 20% CAP T&R REL .2" 1 6122 33K 5% 1/4W RES T&R MINI 12 6882 TL072CP IC FET DUAL OP AMP 5
3613 TELEPHONE JACK 8 CIR TOP ENT 1 4919 2K05 1% 1/4W RES T&R -NO SUBS 6 5256 1U 63V 5% CAP T&R RPE .2" 3 6403 ORANGE3MM LED 1V7 5MA 12 6882 TL072CP IC FET DUAL OP AMP 4
3614 16X 8CIR TELEPHONE CABLE 1 4920 11R3 1% 1/4W RES T&R 4 5258 4U7 63V RAD CAP T&R .2" 8X7M 12 6403 ORANGE3MM LED 1V7 5MA 8 6884 NE5532N IC DUAL OP AMP 1
3625 4.5X5 CIR CABLE.100 1 4921 100R 5% M1/4 RES 0.2" U 2 5258 4U7 63V RAD CAP T&R .2" 8X7M 1 6419 BRIDGE 35A 400V WIRE LEAD GI3504 2 6889 TLO74 IC QUAD OP AMP YORK 1
3631 PCB CONN 9 CIR BOTTOM .156 1 4941 30K 5% M1/4 RES 0.2" U 2 5259 4U7 63V 20% CAP T&R REL .2" 2 6425 BAV21 200V 0A25 DIODE T&R 4 6894 LM3916 IC LED DISPLAY DRIV 2
3637 16 PIN DUAL 90 BREAKAWAY .100 1 5101 BC550C TO92 NPN TRANS. T&R 18 5259 4U7 63V 20% CAP T&R REL .2" 5 6425 BAV21 200V 0A25 DIODE T&R 4 6900 MJ15022 TO3 NPN TRANS. 8
3638 12 CIR CABLE HOLDER .098 2 5101 BC550C TO92 NPN TRANS. T&R 16 5260 22U 50V 20% CAP T&R RAD .2" 4 6425 BAV21 200V 0A25 DIODE T&R 4 6913 BD649 TO220 NPN TRANS. 1
3660 FEMALE PC MOUNT XLR NTRX.NC3FPR- 12 5101 BC550C TO92 NPN TRANS. T&R 1 5260 22U 50V 20% CAP T&R RAD .2" 24 6425 BAV21 200V 0A25 DIODE T&R 4 6921 BD651 TO220 NPN DARLINGTON 1
3674 9 CIR CABLE HOLDER .098 1 5102 BC560C TO92 PNP TRANS. T&R 12 5260 22U 50V 20% CAP T&R RAD .2" 3 6426 1N5254B 27V0 0W5 ZENER 5% 2 6922 BD652 TO220 PNP DARLINGTON 1
3678 14X4 CIR CABLE 1 5102 BC560C TO92 PNP TRANS. T&R 21 5260 22U 50V 20% CAP T&R RAD .2" 1 6429 1N4747A 20V0 1W0 ZENER 5% T 4 6927 MJ15023 TO3 PNP TRANS. 8
3679 6 X 12 CIR CABLE RIBBON 2 5103 MPSA06 TO92 NPN TRANS. T&R 1 5266 68U 16V 20% CAP T&R 0.2" 1 6432 1N5248B 18V0 0W5 ZENER 5% T 2 6930 MTH8P20 TO218 P CHAN MOSFE 2
3692 HEATSINK THERMALOY 6079-PB 2 5103 MPSA06 TO92 NPN TRANS. T&R 5 5267 100U 25V 20% CAP T@R REL 0.2" 7 6432 1N5248B 18V0 0W5 ZENER 5% T 1 6931 MTH8N35 TO218 N CHAN MOSFE 2
3692 HEATSINK THERMALOY 6079-PB 3 5104 MPSA56 TO92 PNP TRANS. T&R 5 5273 1N5 200V 5% CAP T&R RCE .2" 12 6435 22N 400V AC CAP PANASONIC 1 6934 MR854 400V 3A0 DIODE FAST RE 12
3700 RELAY: AROMAT DS2YE-S-DC24V 1 5105 MPSA13 TO92 NPN DARLINGTON 12 5281 10U 16V NP CAP T&R REL .2" 2 6436 1N753ARL 6V2 0W5 ZENER 5% T 1 6945 745188 PROM IC PREPROG. FOR AP/ 1
3739 CUSTOM .4 LED SPACER 12 5105 MPSA13 TO92 NPN DARLINGTON 6 5299 22AWG SOLID SC WIR RAD 20 6438 1N4004 400V 1A0 DIODE T&R YOR 5 6959 4052 IC DUAL 1\4 CMOS SW 1
3739 CUSTOM .4 LED SPACER 8 5106 MPSA63 TO92 PNP DARLINGTON 1 5299 22AWG SOLID SC WIR RAD 15 6438 1N4004 400V 1A0 DIODE T&R YOR 18 6960 4017 IC DECADE CNT/DIVID 2
3759 4UH COIL 14AWG ZOBEL VERTICA 2 5109 MPSA43 TO92 NPN TRANS. 1 5299 22AWG SOLID SC WIR RAD 2 6440 1N750ARL 4V7 0W5 ZENER 5% T 2 8492 #4 SPLIT/INTERNAL TOOTH LOCHWASH 5
3995 20K SLD WHT KB V 30M DT S 9 5111 MPSA17 TO92 NPN TRANS. T&R 4 5299 22AWG SOLID SC WIR RAD 12 6440 1N750ARL 4V7 0W5 ZENER 5% T 5 8559 AUDIOPRO GABLE ABS PLASTIC 1
3996 20K SLD WHT KB V 30M DT M 9 5116 BC264D TO92 N CHAN J FET 2 5314 100N 50V BD CAP T&R 7 6444 MAC224-4 TO220 40A TRIAC 200 2 8638 AP MIXER SERIES PUSH SW BUTTON G 7
4401 50K ROT 1B V 16M 12 5190 MBS4992 TO92 00A DIAC T&R 2 5314 100N 50V BD CAP T&R 12 6450 1N5242A 12V0 0W5 ZENER 5% T 2 8682 #4 TEFLON WASHER .125ID .281OD . 10
4402 10K ROT 3B D SFT S V 16M DET 36 5196 150P 100V 2% CAP T&R RCE .2" 1 5314 100N 50V BD CAP T&R 4 6451 4N7 250V AC CAP BLK X .6" RAT 1 8690 BLACK FADER KNOB - MICROMIX 17
4522 4K7 TRIM POT 2 5199 100P 100V 2% CAP T&R RCE .2" N 5 5314 100N 50V BD CAP T&R 2 6460 1N5260B 43V0 0W5 ZENER 5% T 1 8702 GREEN KNOB FOR "NEW" M.MIX/A.PRO 28
4559 20K ROT 5C D SFT V 16M 12 5201 470P 100V 5% CAP T&R RCE .2" 4 5410 100P 100V TUB CAP T&R 4 6461 1N5240BRL 10V0 0W5 ZENER 5% T 5 8703 BLUE KNOB FOR "NEW" M.MIX/A.PRO 38
4561 10K ROT 1B D SFT S V 16M 48 5201 470P 100V 5% CAP T&R RCE .2" 12 5420 680P 50V TUB CAP T&R 4 6465 1N5250B 20V0 0W5 ZENER 5% T 4 8704 RED KNOB FOR "NEW" M.MIX/A.PRO 27
4561 10K ROT 1B D SFT S V 16M 2 5201 470P 100V 5% CAP T&R RCE .2" 4 5422 1N 50V TUB CAP T&R 4 6466 1N5256B 30V0 0W5 ZENER 5% T 2 8705 GREY KNOB FOR "NEW" M.MIX/A.PRO 26
AP12XX GENERAL PARTS LIST

AP1212 SERVICE MANUAL
SPECIFICATIONS
IFREQUENCY RESPONSE:
-Tone and graphic flat... 20Hz - 20KHz: +/- 3dB
TOTAL HARMONIC DISTORTION:
-At MAIN out with -10dB input... 0.02% or less.
INPUT NOISE:
-At channel insert, 150 ohm ... -122 dBv, at any gain (!).
INSERT LEVEL:
-Output & input... 0dBm nominal, -10 to +4 OK
LINE INPUT Z...
-Balanced... 5k ohms
-Unbalanced... 10k ohms
PHANTOM POWER... 48 volts.
CHANNEL EQ... LO, MID, HI.
MAX GAIN to LINE OUT:
-Microphone input... 90 dB.
-Line input... 70 dB.
-Insert input... 30 dB.
DIGITAL SIGNAL
PROCESSOR EFFECT... 16 bits, 16 sounds.
GRAPHIC EQUALIZER... 9 band, ISO 64Hz - 16KHz
SPEAKER PROCESSOR... 50Hz, 3dB ; 80Hz, 5dB
POWER OUTPUT:
-Measured at 0.1% THD and 1KHz, continuous average power,
-One channel driving the following loads:
8 ohms... 345 watts
4 ohms... 590 watts
2 ohms... 850 watts
-Measured at 0.1% THD and 1KHz, continuous average power,
-Both channels driving the following loads:
8 : 8 ohms... 310 : 310 watts
8 : 4 ohms... 275 : 530 watts
8 : 2 ohms... 240 : 800 watts
4 : 4 ohms... 480 : 480 watts
4 : 2 ohms... 420 : 740 watts
2 : 2 ohms... 650 : 650 watts
TOTAL
HARMONIC DISTORTION: -1KHz, 1dB below full power... 0.005% or better
POWER REQUIREMENTS: -mixer and power amplifier...less than 1440 watts avg.
WEIGHT... 20 Kg, 44 lb.
M1061 Alesis Digital Effects Processor
A replacement board is available, order Yorkville Sound part number M1061
SPECIAL NOTES

BP1L BP2L
22u
25v
C9L
16v
10u
C11L
MR854
D1L
5R6
5W
R21L
10R
R24L
MP1
1 2 3 4
MP7
1 2 3 4
4uH
L1L
MT1
MT2
GMAC224
Q12L
100K
RV1L
MT1
G
MT2
MBS4991
Q11L
MR854
D4L
1R 0.5W
R13L
BAV21
D8L
MR854
D6L
22u
25v
C4L
150v
470p
C2L
500mW
14v
ZD2L
500mW
16v
ZD4L
10R
R14L
10R
R5L
P
S
G
D
MTP12P10
Q6L
MR854
D2L
MJ15023
Q8L
MJ15023
Q7L
YORKVILLE
NAME: PCB#&VER:
MODELS: SCH ISSUE:
TITLE:
DATE:
M1048-2.40
AUDIOPRO_AP-1212/AP-1216_MIXERS
M1048A.SCH
JUL/09/97
CURRENT_AMP
1.60
MJ15022
Q5L
MJ15022
Q4L
MJ15022
Q3L
MJ15023
Q10L
0R1
5W
R10L
0R1
5W
R19L
MJ15022
Q2L
MJ15023
Q9L
0R1
5W
R9L
0R1
5W
R18L
1R 0.5W
R4L
500mW
16v
ZD1L
150v
470p
C7L
63v
220n
C19L
S
G
D
N
MTP10N15L
Q1L
BAV21
D7L
63v
220n
C17L
63v
220n
C15L
63v
220n
C13L
MP7
100v
100n
C12L
100v
100n
C10L
3R9
2W
R20L
47K
R12L
47K
R2L
500mW
16v
ZD3L
100v
220n
C5L
100v
220n
C1L
100R
R15L
27K 0.5W
R16L
MP5
100K
RV1R
5600u
100v
C20L
MP3
1 2 3 4
MP4
MP3
27K 0.5W
R25R
10K 0.5W
R26R
MP6
10K 0.5W
R27L
5600u
100v
C14L
33K
R22L
BAV21
D10L
30k
R30L
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
JUL/09/97
FEB/23/94
.
AUG/16/94
V
V
V
V
V
V
1.60
1.50
.
1.40
N
N
N
N
N
N
CORRECTION_C7L_WAS_NAMED_C8L
PC#4557_MTP10N12L-->MTP10N15L
1R_1/2W_ADDED_ACROSS_R4L/R
PC#4638_ZD2L/R_12V-->14V
AP-1212/AP-1216
M1048A.SCH_DATABASE_HISTORY
BAV21
D9L
1R
0.5W R4AL
1n
C21L
100R
R29L
MBS4992
NC
MT1 MT2
MAC224
G MT2 MT1
500mW
30V
ZD5L
10u
40V
C22L
MTP10N15L
MTP12P10
SDG
VIEW
BOTTOM
BE
MJ15022
MJ15023
100R
R6L
MP2
1 2 3 4
3R9
2W
R23L
470u
63v
C16L
MP2
EY1
27K 0.5W
R8L
MR854
D3L
MP1
EY2
MP4
1 2 3 4
470u
63v
C18L
27K 0.5W
R28L
MR854
D5L
MP5
1 2 3 4
MP6
1 2 3 4
VM-
VM-
VM-
VM-
VH-
VH-
VH-
VH-
VH+
VH+
VH+VH+
VM+
VM+
VM+
VM+
FTSENSE
FTSENSE
FTSENSE FTSENSE
LOP_REF
LOP_REF
LBN
LBN
KILL
KILL
KILL KILL
LSPK
LBP
LBP
LEN
LEN
LEP
LEP
LFN
LFN
ROP ROP
ROP
LFP
LFP
ROP_REFROP_REF
ROP_REF
ROG ROG
ROG
REP REP
REP
REN REN
REN
RBN RBN
RBN
RFNRFN
RFN
LTSENSE
LTSENSE
RFPRFP
RFP
LOP LOP
LOP
LOG
LOGLOG
LOG
LOG
LOG
LOG
LOG
LOG LOG
LOG
LOG LOG
LOG
RBPRBP
RBP
RTSENSE
RTSENSE
TO HEATSINKTO HEATSINK ISOTHERMALISOTHERMAL
SUFFIX FOR THE RIGHT CHANNEL
SUFFIX WILL HAVE A "R"
CAPACITOR
CAPACITOR
4
3
BETWEEN TESTPOINTS 3 & 4
ADJUST FOR 2 TO 3 MILLIVOLTS
LOW ESR
LOW ESR
CURRENT AMPLIFIER
DC PROTECTION TEMPERATURE SENSORS
CURRENT AMPLIFIER.
NOTE: PART NUMBERS WITH A "L"
RIGHT CHANNEL
OUTPUTS
WARNING: 200 VDC IS BETWEEN THE POWER SUPPLIES. THIS PRESENTS A SIGNIFICANT SHOCK HAZARD. PLEASE, USE EXTREME CAUTION WHEN SERVICING!
THE MINIMUM REQUIRED FOR PROPER OPERATION.
NOTE THAT THE CAPACITOR VOLTAGES SHOWN ARE
ALL UNMARKED DIODES ARE 1N4148.
ACTUAL VOLTAGE RATINGS MAY BE HIGHER.
IDLE CURRENT:

VCD
.020"
.012" .008"
.005"
.020"
.012"
.008"
.005"
.020"
.012" .008"
.005"
ROUTE
GAGE
0.01"/HOLE
SHEAR SHEAR
SHEARSHEAR
SHEARSHEAR
SHEAR SHEAR
.020"
.012"
.008"
.005"
SOLDERSIDE M1048-2.50
-2.50
BLANK SIZE=15.700"X8.200"
M1048
WC4
D10R
BAV21
R30R 30K
WC11
J5
R21L
5R6
5WATT
R24L
10R
RV1L
100K
Q11L
MBS4992
C7L
470P
L1L
4uH
ZD5R
30V
B E
Q6L
MTP12P10
NEG_TIER
Q9L
YS#6927
MJ15023
J19
C1L 220N
C20L
PART#
5600U
100V
ZD4L
16V
ZD5L
30V
D1L
MR854
D10L
BAV21
D4L
MR854
D6L
MR854
D2L
MR854
D9L
BAV21
C22R
50V
10u
D5L
MR854
R13L
1R
0.5W
4uH
PART#3759
R4L
0R51
1W
EY10
EY9
R30L 30K
J6
R16L
27K
0.5W
J13
R27L
10K
0.5W
EY8
J1
EY5
R8L
27K
0.5W
R28L
27K
0.5W
C16L
470U
63V
C18L
470U
63V
EY1 EY2
J4
R24R
10R
Q11R
MBS4992
EY3 EY4
J8
R20L
3R9
2WATT
R29L
100R
R23L
3R9
2WATT
R10L
0R1
5WATT
R19L
0R1
5WATT
R9L
0R1
5WATT
R18L
0R1
5WATT
R21R
5R6
5WATT
RV1R
100K
R22L
33K
R15L 100R
R6L
100R
R14L
10R
R5L 10R
C7R
470P
EY6
B E
Q6R
MTP12P10
NEG_TIER
Q9R
YS#6927
MJ15023
R12L
47K
R2L
47K
D8L
BAV21
C1R
220N
C20R
PART#
5600U
100V
ZD4R
16V
Q12L
#6444
TRIAC
MAC224
YYY
ZD2L
14V
C2L
470P
D1R
MR854
D4R
MR854
D6R
MR854
C19L
220N
C17L
220N
C15L
220N
C13L
220N
D2R
MR854
C12L
100N
D5R
MR854
R13R
1R
0.5W
R4R
0R51
1W
C5L
220N
ZD1L
16V
R16R
27K
0.5W
R26R
10K
0.5W
ZD3L
16V
J9
R8R
27K
0.5W
B E
Q1L
MTP10N15
POS_TIER
R25R
27K
0.5W
C16R
470U
63V
Q5L
YS#6900
MJ15022
Q4L
YS#6900
MJ15022
Q3L
YS#6900
MJ15022
C18R
470U
63V
Q2L
YS#6900
MJ15022
Q7L
YS#6927
MJ15023
J18
R20R
3R9
2WATT
R10R
0R1
5WATT
R19R
0R1
5WATT
R9R
0R1
5WATT
R18R
0R1
5WATT
R15R 100R
R6R
100R
R14R
10R
R5R 10R
R12R
47K
R2R
47K
D8R
BAV21
ZD2R
14V
J10
J16
C2R
470P
MP2
FUNCTION
J12
EY7
C19R
220N
C17R
220N
C15R
220N
C13R
220N
C5R
220N
ZD1R
16V
ZD3R
16V
B E
Q1R
MTP10N15
POS_TIER
Q5R
YS#6900
MJ15022
Q4R
YS#6900
MJ15022
Q3R
YS#6900
MJ15022
Q2R
YS#6900
MJ15022
Q7R
YS#6927
MJ15023
J2 MP6
FUNCTION
R23R
3R9
2WATT
C10L
100N
C14L
PART#
5600U
100V
C9L
22U
25V
C4L
22U
25V
J3
J11
R22R
33K
Q12R
#6444
TRIAC
MAC224
YYY
J17
C10R
100N
MP4
FUNCTION
MP1
FUNCTION
C14R
PART#
5600U
100V
J15
D7L
BAV21
J7
PART#3759
MP3
FUNCTION
C9R
22U
25V
C4R
22U
25V
_WC11
C12R 100N
MP5
FUNCTION
D7R
BAV21
MP7
FUNCTION
_WC6
TJH2
Q8R
YS#6927
MJ15023
_WC4
Q8L
YS#6927
MJ15023
C22L
50V
10u
GUIDE
ETCH
GUIDE
ETCH
GUIDE
ETCH
D3R
MR854
Q10R
YS#6927
MJ15023
00
TJH1
J14
D3L
MR854
Q10L
YS#6927
MJ15023
WC14
D9R
BAV21
R29R 100R
C21R 1N
C21L 1N
L1R
4uH
C11R
10U
16V
C11L
10U
16V
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
D
D
D
D
D
D
AUG/19/96
.
AUG/17/94
NOV/28/95
.
OCT/19/95
APR/04/95
FEB/23/94
V
V
V
V
V
V
V
V
V
V
V
V
2.52
.
2.51
2.50
.
2.50
2.40
2.40
N
N
N
N
N
N
N
N
N
N
N
N
PC#5187_AMP-INS-->SOCKET_EYELET
.
PC#4638
PC#4969
.
PC#4924
PC#4746
PC#4557
AP-1200/AP-1212
M1048.PCB_DATABASE_HISTORY
GUIDE
ETCH
WC2
WC6
WC13
_WC2
_WC13
_WC14
ROG
ROG
KILL
KILL
LFP
RTSENSE
VH-
VH-
LFN
VH+
VH+
VM-
VM-
REP RFP LBN LBP LEN
VM+
VM+
RBN RFN
RBP
LOG
LOG
REN
LOP
LOP
LTSENSE
LEP
ROP
ROP
FTSENSE
FTSENSE
ASSEMBLY M1048-2.52
BLANK SIZE=15.700"X8.200"
PCB MECH M1048-2.50
ADD 1R 1/2W ACROSS R4L,R4R
ZD2L,ZD2R FROM 12V TO 14V
AT ASSEMBLY AND RETORQUED TO 8TORQUE FOR TO’3 IS 8 INCH/LB
HOLES FOR 1/2W FROM .040" TO .047"
4 APPROVED SUBSTITUTE FOR PT#6737 MTP12P10 Q6L/Q6R IS IRF9530
DIRECTION OF THE ARROWS
INSIDE THE HEATSINK. THERMISTORS MUST NOT BE
THERMISTORS RV1L/RV1R MUST BE BENT IN THE3
ABOVE THE SURFACE
2
INCH/LB AFTER WAVE SOLDER
PRODUCTION NOTES
ENLARGED TO AID ROBOT ASSEMBLY
PADS FOR OUTPUT TRANSISTOR COLLECTORS
Q1L/Q1R MTP10N12L TO MTP10N15L
HEATSINKS REMOVED FROM Q12R/Q12L
SCREW
#8799
USE
SCREW
USE #8799
HOLE
AZ
ABOVE THE SURFACE
HEATSINK. THERMISTORS MUST NOT BE
DIRECTION OF THE ARROWS INSIDE THE
THERMISTORS MUST BE BENT IN THE
YELLOW
YELLOW
BLACK
BLUE RED
RED
BLACK
1 BE SURE THE VALUE OF C22L/C22R IS 10U 50V AND R30L/R30R IS 30K
M1048A AP-12XX MIXERS

249R
FP
R41L
BC550
Q11L
BC550
Q7L
BC560
Q8L
BC560
Q12L
11R3
R27L
FP
11R3
R28L
FP
4K7
R31L
150R
R32L
CW
IDLE
4K7
RT1L
470p
C14L
680p
C13L
D10L
BC550
Q10L
475R
R46L
FP
D12L
S
G
D
N
MTW10N40E
Q13L
BC560
Q9L
31K6
R36L
2K87
D11L
2K87
R34L 1u
63V
C12L
1u
63V
C15L
31K6
R42L
31K6
R35L
P
S
G
D
MTW14P20
Q14L
1K5
10W
R64L
1K5
10W
R66L
470u
63v
C19L
20v
1W
ZD6L
270R 0.5W
R67L
100u
25v
C23L
500mW
10v
ZD1L
39R
R26L
1K
R37L
16v
1n
C11L 500mW
10v
ZD3L
D16L
D21L
3K3
R24L
27V
500mW
ZD5L
36K
R13L
FP
180R
R51L
25v 22n
C16L
36K
R50L
FP
4N35
U3L
1
2
34
5
6
100K
R54L
3K3
R55L
3K3
R45L
249R
FP
R58L
XXXR
FP
475R
R56L
FP
220K
R44L
3R3
R57L
3R3
R53L
BC560
Q15L
BC550
Q16L
10v
47u
C18L
10v
47u
C21L
D24L
1K
FP
R47L
D20L
1K5
R23L
BC560
Q6L
D22L
D23L
D18L
25v 22n
C17L
D19L
D14L
36K
R62L
7K5
R63L
180R
R59L
D15L
7K5
R49L
36K
R48L
D25L
BC560
Q5L
BC550
Q2L
D9L
220R
R21L
330R
R19L
BC550
Q3L BC550 Q4L
3K3
R18L
100R
R12L
100R
R16L
BC550
Q1L
620R
R20L
100R
1W
R22L
100R
1W
R25L
D4L
D3L
4u7
63v
C6L
150v
15n
C3L
100n
C4L
2K87
R17L
6K98
R15L
6K98
R14L
2K05
R11L
6K98
R10L
6K98
R9L 25v 470p
C8L
220p
C10L
47K
R8L
1/2
TLO72
U1L
2 31
36K
R68L
1/2
TLO72
U1L
6 57
BAV21
D13L
180R
R70L
6K98
R4L
10v
47u
C5L
6K98
R6L 6K98 R5L
6K98
R3L
2K05
R1L
2K05
R2L
330R
R69L
4N25
U4L
1
2
34
5
6
4N25
U2L
1
2
34
5
6
1K
R7L
63V
47n
C24
47p
C9L
1/2_MW2
5
6
3
4
D2L
TP1L
1
TP8L 8
TP7L 7
TP4L
4
TP3L
3
TP2L 2
TP6L
6
TP5L
5
EY4
1/2_MW4
9
8
7
6
5
100n
C1L
100n
C2L
D1L
1n
C7L
*
2K
R39L
*
2K
R40L
20v
1W
ZD7L
100u
25v
C20L
270R 0.5W
R65L
470u
63v
C22L
470K
R22
D2
D4
NC
COM
NO
RLY13
2
4
NC
COM
NO
RLY1
6
7
5
1N4004
D1 7K5
R16
C+
C-
RLY1
18
100u
25v
C5
A06
Q3
BC550
Q4
BC550
Q6
15K
R11
1K
R12
1M
R15
220K
R14
D3
4u7 63v
C6
100K
R20
100n
C8
100K
R19
1M
R23
D5
470K
R21
TP1
TP3
TP2
3
MW1L
8
7
6
5
4
3
2
1
100K
NTC1
2
EY1
8
7
6
5
4
3
2
1
MW1R
100n
C7
470u
63v
C2
470u
63v
C1
2N6045
Q1
BDX54C
Q2
18v
500mW
ZD1
18v
500mW
ZD2
8K2
0.5W
R5
8K2
0.5W
R2
1K
R3
1K
R6
10R
R7
10R
R8
100u
25v
C3
100u
25v
C4
15K
R18
500mW
10v
ZD3
MJE340
Q5
8
7
6
5
4
3
2
1
MW1R
MW1L
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
MW4 MW2
8
7
6
5
4
3
2
1
1
6
8
7
4
3
2
1
1/2_MW4
9
TP9L
BC550C
CBE
BC560C
EBC
MPSA06
ECB
MJE340
BD649
BDX54C
2N6045
ECB
MTW10N40E
SDG
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
MAR/17/97
SEP/19/96
SEP/02/96
.
.
AUG/16/94
JUN/22/94
V
V
V
V
2.40
2.30
2.20
.
V
V
V
N
N
N
N
CORRECTION_R17_1/8W_FLAMEPROOF
PC#5095_R37L/R_2K49-->1K
PC#4655_DELETE_R9,R10,EY2,EY3
100P->220P
->47P--R31L/R_150R->4K7_C10L/R
PC#4638_C9L/R_100P->47P_C14L/R_680P
PC#4529_BD652-->BDX54C
AP1212
M1049.SCH_DATABASE_HISTORY
YORKVILLE
NAME:
MODELS: SCH ISSUE:
TITLE:
DATE: .
AP-1212
M1049A.SCH
MAR/25/97
VOLTAGE_AMPS
2.40
MTW14P20
SDG
FLMPRF
220R
R17
1K
FP
R61L
249R
FP
R38L
249R
FP
R33L
39R
R43L
249R
FP
R52L
249R
FP
R29L
47R
1W
R4
47R
1W
R1
1N4004
D28L
1N4004
D27L
500mW
4V7
ZD8L
BAV21
D26L
100n
C9
9
4
1/2_MW2
7
1
8
2
5
LOCAPL-
LOCAPL+
VM- VM-
VM-
LOP
LOP
LOP
VH+ VH+
VH+
VH+
VH+
FTSENSE
FTSENSE
FTSENSE
KILL
KILL
KILL
VH- VH-
VH-
VH-
VH-
LEDGND
LEDGNDLEDGND
LEDGND
LEDGND
VMID+
VMID+
SHUT_LSHUT_L
SHUT_L
LG
LG
LG
VMID-
VMID-
PG
PG
PG
PG
LCLIP LCLIP
LCLIP
SHUT_R
V+ V+
V+
V+
V+
V+
V+
OVER_R
OVER_L
OVER_L
V- V-
V- V-
V-
V-
ROP
ROP
ROP
ROP
LFN
LFN
LFN
LBN
LBN
LBN
LBN
LFP
LFP
LFP
LFP
LBP
LBP
LBP
LBP
RSIGRSIG
RSIG
RSIG
RREFRREF
RREF
RREF
LEN
LEN
LEN
LEN
LEP
LEP
LEP
LEP
LOG
LOG
LOG
LOG
LOG
LOG
LOP_REF
LOP_REF
LOP_REF
RBN
RBN
RBN
RBN
RFN
RFN
RFN
RFN
LSIG
LSIG
LSIG
RBP
RBP
RBP
RBP
RFP RFP
RFP
RFP
RFP
RFP
REN REN
REN
REN
REN
REN
REP REP
REP
REP
REP
REP
ROG
ROG
ROG
ROG
ROG
ROG
ROP_REF
ROP_REF
ROP_REF
ROP_REF
ROP_REF
ROP_REF
LREF
LREF
LREF
RCLIP RCLIP
RCLIPRCLIP
VM+ VM+
VM+
VM+
VM+
10mA
FP= FLAMEPROOF
BELOW 40 mA. (8 mV BETWEEN TP3 & TP4)
BETWEEN TP3 & TP4. (RESULTS IN 15mA)
IDLE CURRENT: ADJUST RT1 FOR 2 TO 3 mV
LG
TERMINATES
WC5 ON
M1051
WIRE TO
(INPUT BOARD)
TO WC8 ON M1050
V+ (+16VDC)
OPERATING ON CONDITION)
RELAY DRIVE (0 VOLTS UNDER THE NORMAL
CONNECTOR LAYOUT
+/- 16VDC POWER SUPPLY
RELAY CONTROL CIRCUIT
NOTE: PART NUMBERS WITH A "L" SUFFEX
RIGHT CHANNEL VOLTAGE AMPLIFIER.
WILL HAVE A "R" SUFFEX FOR THE
TEST POINTS
V- (-16VDC)
POWER AMPLIFIER’S OUTPUT
NEGATIVE BATTERY SUPPLY
POSITIVE BATTERY SUPPLY
FLOATING NEGATIVE SUPPLY
FLOATING POSITIVE SUPPLY
EMITTER OF THE NEGATIVE OUTPUT TRANSISTOR
EMITTER OF THE POSITIVE OUTPUT TRANSISTOR
DRIVE SIGNAL TO CURRENT AMP
INVERTING OP AMP DRIVE SIGNAL
TP3
TP2
TP1
M1049
CHANNEL
RIGHT
CHANNEL
RIGHT
RIGHT CHANNEL
P.S.
HERE
+
IF IDLE CURRENT CANNOT BE ADJUSTED
RESISTORS MARKED ‘*’ SHOULD BE CUT OUT
PIN DOES NOT EXIST

.020"
.012"
.008"
.005"
VCD
.020"
.012" .008"
.005"
.020"
.012"
.008"
.005"
.020"
.012" .008"
.005"
ROUTE
GAGE
0.01"/HOLE
SHEARSHEAR
SHEARSHEAR
SHEAR SHEAR
4.20
SOLDERSIDE M1049-4.20
BLANK SIZE=14.000"X11.000"
M1049-
R69L 330R
Q5
MJE340
FUNCTION
ZD3
10V
R1815K
R41L
249R
R2
8K2
0.5W
C20L 100U
25V
C5
100U
25V
Q13L
#6924
MTW10N40E
TP2C20R
100U
25V
D3 4148
Q6
BC550
NONCC
RLY1
AROMAT_24V_RELAY
ZD7R
20V
C7R
1N
U4L
4N25
C5R
47U
10V
U1R
TLO72
C3R
15N
150V
R22R
100R
1WATT
1
FUNCTION
RT1R
4K7
#4522
BIAS_ADJ
J7
J12
D26L BAV21
ZD3L
10V
B E
Q1
2N6045
POS_REG
J18
PART# FUNCTION
Q14L
#6781
MTW14P20
FUNCTIONPART#
B E
Q2
BDX54C
NEG_REG
C12R
1U
63V
J13
J16
Q3
A06
#3619
R41R
249R
EY1
ZD2
18V
D27L
4004
#3619
PART# FUNCTION
#3619
R61R1K
GUIDE
ETCH
TP9L
D27R
4004
PART# FUNCTION
MW2
#3619
J3R
J2R
J4R
C8R
470P
J5R
J6L
D2
4148
D26R
BAV21
R50R36K
ZD5R
27V
J11
R70R 180R
R25R
100R
1WATT
ZD5L
27V
ZD1L
10V
R8 10R
R7
10R
R6 1K
R3
1K
R21470K
D5
4148
R231M
R19100K
R20 100K
R14220K R151M R121K R11
15K
R16 7K5
R22470K
R40R
2K
R39R 2K
R13L
36K
R7R1K
R2R
2K05 R1R 2K05
R3R
6K98
R5R
6K98
R6R
6K98
R4R
6K98
R68R 36K
R8R
47K
R9R
6K98
R10R 6K98
R11R 2K05
R14R
6K98
R15R 6K98 R17R 2K87
R20R 620R R16R
100R
R12R
100R
R18R
3K3
R19R
330R
R21R 220R
R48R 36K R49R 7K5
R59R
180R
R63R 7K5
R62R 36K
R23R
1K5
R56L
475R
R53R3R3
R57R
3R3
R44R 220K
R43R 39R
R27L
11R3
R38R
249R
R27R 11R3
R45R3K3
R55R
3K3
R54R
100K
J6
R51R180R
C8L
470P
R24R3K3
R58L249R
R33R 249R
R37R
1K
R26R
39R
R35R
31K6
R42R31K6
R34R 2K87
R46L
475R
R30R
2K87
R36R
31K6
R29R
249R
R32R
150R
R31R
4K7
R28L
11R3
R28R
11R3
R46R475R
R40L
2K
R39L 2K
D28L
4004
R7L
1K
R2L2K05 R1L
2K05
R3L
6K98
R5L
6K98
R6L
6K98
R4L
6K98
R68L
36K
R8L
47K
R9L
6K98
R10L 6K98 R11L 2K05
R14L
6K98
R15L 6K98
R17L
2K87
R20L 620R
R16L
100R
R12L
100R
R18L
3K3
R19L 330R
R21L 220R
R48L 36K R49L 7K5
R59L
180R
R63L 7K5
R62L 36K
R23L 1K5
R53L 3R3
R57L 3R3
R44L 220K R52L249R
R47L
1K
R47R1K
R45L
3K3
R55L
3K3
R54L 100K
R38L 249R
R51L 180R
R69R
330R
R24L 3K3
R52R
249R
R33L
249R
R37L
1K
R26L
39R
R35L
31K6
R42L
31K6
R34L
2K87
R56R
475R
R30L
2K87
R36L
31K6
R43L 39R
R32L
150R
R31L
4K7
R29L
249R
R13R 36K
R58R
249R
R1
47R
1WATT
C22R
470U
63V
J5L
MW1R
#3619
C3
100U
25V
C4
100U
25V
R5
8K2
0.5W
R4
47R
1WATT
ZD8L
4V7
R50L 36K
R65R
270R
0.5W
R67R
270R
0.5W
R65L
270R
0.5W
R67L
270R
0.5W
D1
1N4004
C8
100N
J4L
ZD1
18V
C12L
1U
63V
J1L
C19R
470U
63V
C15R
1U
63V
C1
470U
63V
D11R
4148
C23L
100U
25V
TP3
TP1
TP5R
TP6R
TP2R
TP3R
TP4R
TP7R
TP8R
TP1R
TP5L
TP6L
TP2L
TP3L
TP4L
TP7L
TP8L
TP1L
MW1L
#3619
D4 4148
C11L
1n
D1R 4148 D2R 4148
J5
C9100N
R70L 180R
1
D13R BAV21
D3R
4148
D4R
4148
D9R
4148
D25R 4148 D15R 4148 D14R 4148
D19R 4148
D18R 4148
D23R 4148 D22R 4148
D20R 4148
D24R 4148
D21R 4148
D16R
4148
J2L
U3R
4N35
D11L 4148
D1L
4148
D2L 4148
TO_HOLD_IN_PLACE.
SOLDERING._USE_A_SMALL_DAB_OF_RTV
WITH_#8609_VINYL_CAP_BEFORE_WAVE
NOTE-CAP_EACH_PAIR_OF_TRANSISTORS
1
J4
ZD8R
4V7
J3
J1
D13L BAV21
U2R
4N25
D4L
4148
D9L
4148
D25L 4148 D15L 4148 D14L 4148 D19L 4148
D18L 4148
D23L 4148 D22L 4148
D20L 4148
D24L 4148
D21L 4148
D16L
4148
C2
470U
63V D12L 4148
D10L
4148
Q4
BC550
D3L
4148
Q1R
BC550
Q4R
BC550
Q3R
BC550
Q2R
BC550
Q5R
BC560
Q6R
BC560
Q16R
BC550
Q15R
BC560
Q9R
BC560
Q10R
BC550
Q12R
BC560
Q8R
BC560
Q7R
BC550
Q11R
BC550
Q1L
BC550
Q4L
BC550
Q3L
BC550
Q2L
BC550
Q5L
BC560
Q6L
BC560
Q16L
BC550
Q15L
BC560
Q9L
BC560
Q10L
BC550
Q12L
BC560
Q8L
BC560
Q7L
BC550
Q11L
BC550
ZD6R
20V
ZD7L
20V
ZD6L
20V
C2R
100N
C1R
100N
C10R
220P
C9R
47P
C4R 100N
C13R
680P
C14R
470P
C7L
1N
C2L
100N
C1L100N
C10L
220P
C9L
47P
C4L 100N
C13L
680P
C14L
470P
U2L
4N25
U3L
4N35
U4R
4N25
C21R
47U
10V
C18R
47U
10V
C5L
47U
10V
C21L
47U
10V
C18L
47U
10V
U1L
TLO72
C17R
22N
C16R
22N
J2
1
C17L22N
C16L
22N
C11R
1n
C3L
15N
150V
R25L
100R
1WATT
R22L
100R
1WATT
TP9R
C6
4U7
63V
C6L
4U7
63V
J3L
C15L
1U
63V
RT1L
4K7
#4522
BIAS_ADJ
NTC1
100K
Q14R
#6781
MTW14P20
Q13R
#6924
MTW10N40E
C19L
470U
63V
C22L 470U
63V
C23R
100U
25V
C6R
4U7
63V
R17220R
#3638
#3545
1
FUNCTION
#3545
GUIDE
ETCH
GUIDE
ETCH
GUIDE
ETCH
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
JUN/11/97
DEC/18/96
AUG/96
AUG/19/96
.
AUG/30/94
.
.
.
AUG/16/94
JUN/22/94
JUN/06/94
APR/14/94
MAR/15/94
V
V
V
V
V
V
4.80
4.80
4.80
4.70
.
4.70
.
.
.
4.60
4.50
4.40
4.30
4.20
N
N
N
N
N
N
WC15_EYELET-->AMP-IN
PC#5281_4004_HOLE_59->52
PC#5095_R37L/R_2K49->1K
PC#5187_AMP-IN->SOCKET_EYELET
MTW10N40E
PC#4557_Q13L/R_MTH8N35->
C10L/R_100P->220P
R31L/R_150R->4K7
C14L/R_680P->470P
PC#4638_C9L/R_100P->47P
PC#4529_BD652_TO_BDX54C
BD649_REPLACED_BY_2N6045
PC#4330_R70R/L_330R->180R
PC#4512_Q14R/L_MTH8P20->MTW14P20
AP-1200-AP1212
M1049.PCB_DATABASE_HISTORY
D28R
4004
TJH1
TJH2
D10R 4148
C24L
47N
J8L
C24R
47N
D12R
4148
J7R
#3545
J6R
J17
C7
100N
ZD1R
10V
ZD3R
10V
R61L
1K
R64L
10WATT
1K5PART#4699
R66L
10WATT
1K5 PART#4699
R66R
10WATT
1K5 PART#4699
R64R
10WATT
1K5PART#4699
WC15
VM-
FTSENSE
ROP
LEDGND
KILL
VH-
V+
VH+ ROG RFP REP RBN RBP RFN
ROP_REF
REN
RREF RSIG
RCLIP
LFP LEP LBN LBP LFN
LOP_REF
LEN
LREF
LSIG
LOP
LCLIP
VM+
V-
LOG
ASSEMBLY M1049-4.80
BLANK SIZE=14.000"X11.000"
PCB MECH M1049-4.80
2
1 Q8R,Q11R,Q9L AND Q10LARE HAND INSERTED
FOR PAIRS Q9,Q8L/R Q10,Q11L/R
PRODUCTION NOTES
AZ HOLE
M1049A

YORKVILLE SOUND LTD PCB #:
DESIGN BY: SCH ISSUE:PCB VER: OFDWG #:
FOR MODEL(S):
TITLE:CAD FILE NAME:
C:\PCAD\EXE\ DATE:
DRAWN BY: _11PFIPFI_&_GA
2.00X M1054-3.10
1200_SERIES_MIXERS
MAR/25/97 CHANNEL_STRIPM1054.SCH
M1054
4K99
R1A
249R
R2A
NUTRIX
MIC
JB1A
13
2
6K98
R3A
S R T
LINE
NO_GOLD
JB2A 1
2
3
4
5
6
249R
R4A
6K98
R5A
22u 50v
C1A
22u 50v
C2A
562R
R6A
562R
R7A
D1A
4K99
R8A
1/2
33078
U3
6
57
100n
C4A
100n
C5A
1N2
C6A
1N2
C7A
D2A
D3A
D4A
4K99
R9A
4K99
R10A
1/2
33078
U2
6
57
100R
R11A
150R
R12A
CW
GAIN
20K
05C P1A
82K
R13A 100u
16V
C8A
S R T
INSERT
GOLD_TIP
JB3A 1
2
3
4
5
6
1/2
TLO72
U1A
2
31
4K99
R14A
14K0
R15A
4K99
R16A
14K0
R17A
100R
R18A
1/2
TLO72
U1A
6
5
7
4K99
R19A
14K0
R20A
33u16v C14A
1/2
TLO72
U5
6
57
25v 22n
C12A
82K
R21A
18K
R22A
1K2
R23A
1K2
R24A
470R
R25A
470R
R26A
4K7
R27A
4K7
R28A
CW
TREBLE
10K
1B P2A
CW
MID
10K
1B P3A
CW
BASS
50K
1B P4A
220R
R30A
15K
R34A
2K
R35A
D5A
33K
R53A
D8A
CHANN
1B
10K
P10A
MPSA13
Q1A
27K
R31A
10K
R36A
100n
C10A
D7A
D6A
RED
LD1A
100n
C16A
100n
C17A
16v
33u
C3A
CW
MON_PRE
1B
10K
P5A
10K
R32A
1/2
33078
U6
6
57
CW
FX_INT
1B
10K
P6A
10K
R37A
8K2
R38A
CW
FX_EXT
1B
10K
P7A
2K
R39A
8K2
R40A
CW
MON_POST
1B
10K
P8A
4u7
16v
C15A
15K
R41A
2K
R42A
10K
R43A
CW
PAN
3B
10K
P9A
8K2
R44A
2K
R45A
33u 16v
C18A
33u16v C19A
8K2
R46A
1/8W
10R
R47
1/8W
10R
R48
25v
1n5
C13A
1K5
R33A
22U50V C9
10K
R36B
220R
R51
10K
R52A
4M7
R51A
1/2
33078
U6
2
31
33u 16v
C18B
33u16v C19B
1K5
R33B
10K
R52B
470p
C9A
1M
R55B
1M
R55A
100K
R54A
CHANN
1B
10K
MPSA13
EBC
V+V+
V+
V+
MON_POST
MON_PRE
IG
IG
V-V-
V-
V-BUSS
V-BUSS
V+BUSS
V+BUSS
CREF
CREF
SG
SG
SG
SG
SG
SG
SG
SG
SGSG
SG
SG
SG SG
SG
FX_INT
FX_EXT
LEFT
RIGHT
PHANT+
PHANT+
BUSS PIN NUMBER
#
11
10
9
8
7
6
5
4
3
2
1
PIN 4 PIN 4
PIN 8 PIN 8
CHAN A/C CONFIGURATION
CHAN B/D CONFIGURATION
+
+
+
+
+
+
-
+3
-3/+3
-3/+3
+9
0dB
-40
48 VOLTS
+
A

SHEARSHEAR
VCD
SHEARSHEAR
SHEAR SHEAR
.025" .030" .040" .050" .060"
.025" .030" .040" .050" .060"
SOLDERSIDE M1054-3.21
BLANK SIZE=16.850"X11.400"
M1054-3.21
1
1
1
1
1
1
1
1
1
1
1
1
DRILL DETL M1054-3.10
J1
R5010R
R34C 15K
R54B
100K
P10B
10K
1B
#4574
J30
R41C15K
J54
R12B
150R
D7A
4148
J101
R34D
15K
C3A
33U
16V
C1A
22u 35v
R36D
10K
C17C
100N
C4C
100N
C6B1N2 C7B1N2
C5A
100N
C16C
100N
C6A 1N2 C7A 1N2 C7C 1N2
C6C 1N2
C17A
100N
C5C
100N
C7D
1N2
C6D
1N2
J56
C16A
100N
U3A33078
U2
33078
U1B
TLO72
U1A
TLO72
U1C
TLO72
U1D
TLO72
U4
33078
R38D
8K2
R40D
8K2
R41D
15K
R28C
4K7
P1B
05C
20K
PART#4559
GAIN
R27C
4K7
P1A
05C
20K
PART#4559
GAIN
R26C 470R
R25C
470R
R24C
1K2
R23C
1K2
R22C
18K
R28D
4K7 R27D
4K7
R8B 4K99
R26D
470R
R25D
470R
R11A
100R
R2B249R
R7A 562R R6B562R
R14B
4K99
R24D
1K2
R12A 150R
R15B
14K0
R16B4K99
R17B14K0
R19B4K99
R7B562R
R20B
14K0
R1A 4K99 R8A 4K99
R4B249R
R2A
249R
R4A
249R
R6A 562R
R14A
4K99
R11B
100R
R13A
82K
R13B
82K
R15A 14K0
R16A
4K99
R17A
14K0
R19A
4K99
R18B100R
R20A 14K0
R23D
1K2
R22D
18K
R31B
27K
R4910R
R31D
27K
R1B4K99
R18A 100R
R13D 82K
R13C
82K
R18C100R
R1D
4K99
JB1A
LO-Z_IN JB2A
HI-Z_IN
C2A
22u 35v
R5A6K98
R9A4K99
R10A4K99
R20C
14K0
R18D100R
R19C4K99
R17C
14K0
R16C 4K99
R15C
14K0
R11D
100R
R3A
6K98
R14C4K99
R6C 562R
R4C
249R
R2C
249R
R4D
249R
R8C 4K99 R1C 4K99
R20D
14K0
R7D
562R
R19D 4K99
R17D14K0
R16D
4K99
R15D
14K0
R12C 150R
R11C
100R
R14D
4K99
R6D
562RR7C 562R
R2D
249R R12D
150R
R8D 4K99
WC3A WC1A
WC5A WC4A
WC6A
WC6B
WC4B
WC5B
WC1B WC3B WC2B WC2D
WC3D WC1D
WC5D
WC4D
WC6D
WC6C
WC4C
WC5C
WC1C WC3C WC2C
D5B 4148
D8A 4148
J51
D3B
4148
D4B
4148
D1A4148 D2A4148 D3A
4148
D4A4148
D1B
4148
D1D
4148
R30D
220R
D4C4148 D3C
4148
D2C4148
D1C
4148
D4D
4148
D3D4148
D2D
4148
JB3A
PATCH
R33C
1K5
TJH1
D8B
4148
LD1B
#6403
R
LD1A
#6403
R
R54D
100K
C10B
100N
R40C
8K2
Q1B
MPSA13
Q1A
MPSA13
R21C 82K
C8B
25V
100U
C8A
25V
100U
D8C
4148
C14A
16V 33U
J20
D6B
4148
LONG AXIS
SHORT AXIS
INSERT
ORIGIN
R33D
1K5
J18
J11
J9
J8
J7
J6
J5
J4
J3
J2
R46D
8K2
D6A
4148
D6C
4148
4.250"
6.250"
R35C
2K
J19
R45D
2K
J14
R44D
8K2
R42D
2K
J27
R39D
2K
R35D
2K
R46C
8K2
J17
J10
R45C
2K
R44C
8K2
R42C
2K
R39C
2K
R21D 82K
R21B 82K
J48
R43C10K
R37C10K
P2B
3B
10K
TREBLE
PART#4402
J24 J23
J29
C10C
100N
C13B
1n5
R38C
8K2
R22B
18K
R23B
1K2
R24B
1K2
R25B
470R
R26B
470R
R27B
4K7
R28B
4K7
C12C
22n
P3B
3B
10K
MID
PART#4402
P4B
1B
50K
BASS
PART#4401
C12B
22n
P2A
3B
10K
TREBLE
PART#4402
C13A
1n5
R39A
2K
R22A
18K
R23A
1K2
R24A
1K2
R25A
470R
R26A
470R
R27A
4K7
R28A
4K7
C13C
1n5
P3A
3B
10K MID
PART#4402
P4A
1B
50K
BASS
PART#4401
C12A
22n
U5A
TLO72
C12D
22n
C15B
4u7 16v
C13D
1n5
C10D
100N
C15C
4u7 16v
C3D
33U 16V
C15D
4u7 16v
C3C
33U
16V
U6B
33078
U5BTLO72U3B33078
P5C
10K
1B
PART#4561
MON_PRE
P6C
10K
1B
PART#4563
FX_INT
P7C
10K
1B
PART#4563
FX_EXT
P8C
10K
1B
PART#4561
MON_POST
P9C
10K
3B
PART#
PAN
P5D
10K
1B
PART#4561
MON_PRE
P6D
10K
1B
PART#4563
FX_INT
P7D
10K
1B
PART#4563
FX_EXT
10K
1B
PART#4561
MON_POST
P9D
10K
3B
PART#
PAN
P4C
1B
50K
BASS
PART#4401
P3C
3B
10K MID
PART#4402
P2C
3B
10K
TREBLE
PART#4402
P4D
1B
50K
BASS
PART#4401
P3D
3B
10K MID
PART#4402
P2D
3B
10K
TREBLE
PART#4402
P1C
05C
20K
PART#4559
GAIN
P1D
05C
20K
PART#4559
GAIN
C18C
16V 33U
C19C
16V 33U
C14D
16V 33U
C18D
16V 33U
C19D
16V
33U
C14C
16V 33U
J31
J32
J14
J22
J53
J55
D5C
4148
D5D 4148
J41
D6D
4148
D7C
4148
D8D
4148
D7D
4148
D2B
4148
J52
J28
C9B
470P
C9A 470P
D7B
4148
J33
R55C
1M
D5A 4148
J50
R55A
1M
R42A
2K
R44A
8K2
R37A10K
R45A
2K
R46A
8K2
R35B
2K
R39B
2K
C3B
33U 16V
R42B
2K
R44B
8K2
R43A10K
R45B
2K
R35A
2K
R46B
8K2
R33B
1K5
R43B10K
R4810R
P10A
10K
1B
#4574
C19B
16V
33U
C18B
16V 33U
C14B
16V 33U
C19A
16V 33U
C18A 16V 33U
P9B
10K
3B
PART#4402
PAN
10K
1B
PART#4561
MON_POST
P7B
10K
1B
PART#4563
FX_EXT
P6B
10K
1B
PART#4563
FX_INT
P5B
10K
1B
4561
MON_PRE
P9A
10K
3B
PART#4402
PAN
P8A
10K
1B
PART#4561
MON_POST
P7A
10K
1B
PART#4563
FX_EXT
P6A
10K
1B
PART#4563
FX_INT
P5A
10K
1B
PART#4561
MON_PRE
U6A33078
C15A
4u7 16v
J21
Q1C
MPSA13
C10A
100N
Q1D
MPSA13
R21A 82K
J26
R41B
15K
R40B
8K2
J25
R38B
8K2
R36B
10K
R33A
1K5
R34B
15K
LD1C
#6403
R
R30B
220R
R30A
220R
R37B10K
R41A
15K
R40A
8K2
R38A
8K2
LD1D
#6403
R
R36C 10K
C8D
25V
100U
R34A
15K
1/8W
P10D
10K
1B
#4574
R53C
33K
P10C
10K
1B
#4574
R52D10K
C8C
25V
100U
R36A 10K
J44
J47
R4710R
J38
J36
J34
J43
J46
J35
J42
J39
C9C 470P
J45
R37D10K
J40
R32D 10K
R32B 10K
C4A 100N
TJH2
J119
R52C
10K
LINEWIDTH GAUGE
LINEWIDTH GAUGE
R51A 4M7
R51
220R
R51B 4M7 R55B
1M
C9
22U 50V
R30C
220R
EY1
1/8W
R55D 1M
R51C 4M7
R51D 4M7
WC2A
J12
R52B
10K
R31A
27K
R52A
10K
_MW1
PART#
R53D
33K
R32C
10K
R53B
33K
R31C
27K
R32A
10K
C9D470P
R54A
100K
J37
R53A
33K
R54C
100K
#3638
MW1
PART#
MC2
#3596FUNCTION
R43D10K
#3638
SG
MON_PRE
MON_POST
LEFT
V-BUSS V+BUSS
RIGHT
FX_INT
CREF
PHANT+ FX_EXT
ASSEMBLY M1054-3.10
BLANK SIZE=16.850"X11.400"
PCB MECH M1054-3.10
BUSS ASSIGNMENTS
GND GND
NC
JUMPER
SHORT
JUMPER
SHORT
3" BLK 22AWG
1/8WATT.
THESE ARE
BOTH OF
NOTE -

YORKVILLE SOUND LTD PCB #:
DESIGN BY: SCH ISSUE:PCB VER: OFDWG #:
FOR MODEL(S):
TITLE:CAD FILE NAME:
C:\PCAD\EXE\ DATE:
DRAWN BY: _11PFI/TCPFI
1.20_ 1.00
PROTO-GEQ
FEB/18/92 SP-MASTER_EQM1055EQ
M1055
25v
4n7
C1
7K5
R1 25v
22n
C2
25v
2n2
C3
25v
10n
C4
16KHz Y
20K
P1
125Hz Y
20K
P2
180K
R2
8KHz Y
20K
P3
250Hz Y
20K
P4
25v
1n
C5
4KHz Y
20K
P5
500Hz Y
20K
P6 2KHz Y
20K
P7
100R
R3
620R
R4
25v
4n7
C6
30K
R5
D
63Hz Y
20K
P18
12K
R6
25v
680p
C37
BC550
Q1
680R
R7
100R
R8
7K5
R9
56K
R10
BC550
Q2
820R
R11
47K
R12
BC560
Q3
7K5
R13
680R
R14
100R
R15
25v
4n7
C7
100R
R16
7K5
R17
D
8KHz Y
20K
P17
BC550
Q4
680R
R18
100R
R19
7K5
R20
56K
R21
82K
R22
D
125Hz Y
20K
P16
7K5
R23
25v
680p
C38
56K
R24
56K
R25
25v
68n
C40
25v
100n
C41
BC550
Q5
750R
R26
D
4KHz Y
20K
P15
BC550
Q6
620R
R27
100R
R28
7K5
R29
56K
R30
100R
R31
7K5
R32
100R
R33
100R
R34
680R
R35
7K5
R36
BC560
Q7
56K
R37
47K
R38
D
250Hz Y
20K
P14
D
2KHz Y
20K
P13
BC550
Q8
620R
R39
100R
R40
7K5
R41
47K
R42
BC550
Q9
680R
R43
620R
R44
25v
18n
C8
25v
33n
C9
100R
R45
620R
R46
7K5
R47
100R
R48
D
500Hz Y
20K
P12
7K5
R49
1/2
33078
U1
6
57
56K
R50
33K
R51
15K
R52
47K
R53
24K
R54
D
16KHz Y
20K
P11
BC550
Q10
82K
R55
BC550
Q11
1/2
33078
U2
6
57
D
1KHz Y
20K
P10
25v
47n
C10
25v
82n
C42
25v
180n
C43
25v
10n
C11
25v
18n
C12
25v
330n
C52
25v
680n
C55
25v
33n
C13
25v
68n
C44
25v
100n
C45
25v
1u
C58
25v 47p
C61
25v 33n
C14
25v 1n
C15
BC560
Q12
47K
R56
25v
4n7
C16
25v
10n
C17
100R
R57
620R
R58
7K5
R59
BC560
Q13
47K
R60
25v
1n
C18
25v
2n2
C19
100R
R61
620R
R62
7K5
R63
BC560
Q14
47K
R64
25v
10n
C20
25v
1u
C59
100R
R65
620R
R66
7K5
R67
BC560
Q15
56K
R68
25v
22n
C21
25v
47n
C22
100R
R69
680R
R70
7K5
R71
BC560
Q16
47K
R72
25v
180n
C46 25v
82n
C47
100R
R73
750R
R74
7K5
R75
BC560
Q17
82K
R76
25v
680n
C56 25v
330n
C53
100R
R77
820R
R78
7K5
R79
BC560
Q18
25v 1n
C23
25v 33n
C24
25v 47p
C62
30K
R80
1/2
33078
U2
2
31
D
1KHz Y
20K
P10
24K
R81
15K
R82
33K
R83
1/2
33078
U1
2
31
63Hz Y
20K
P8
12K
R84
1/2
TLO72
U3
2
31
33K
R85
15K
R86
12K
R87
12K
R88
D
16KHz Y
20K
P11
30K
R89
180K
R90
D
500Hz Y
20K
P12
D
2KHz Y
20K
P13
D
250Hz Y
20K
P14
D
4KHz Y
20K
P15
D
125Hz Y
20K
P16
D
8KHz Y
20K
P17
D
63Hz Y
20K
P18
1KHz Y
20K
P9
1/2
TLO72
U3
6
5725v 47p
C63
25v 33n
C25
25v 1n
C26
BC560
Q19
7K5
R91
820R
R92
100R
R93
25v
330n
C54
25v
680n
C57
82K
R94
BC560
Q24
7K5
R95
750R
R96
100R
R97
25v
82n
C48
25v
180n
C49
47K
R98
BC560
Q21
7K5
R99
680R
R100
100R
R101
25v
47n
C27 25v
22n
C28
56K
R102
BC560
Q26
7K5
R103
620R
R104
100R
R105
25v
1u
C60 25v
10n
C29
47K
R106
BC560
Q23
7K5
R107
620R
R108
100R
R109
25v
2n2
C30 25v
1n
C31
47K
R110
7K5
R111
620R
R112
100R
R113
25v
10n
C32 25v
4n7
C33
47K
R114
BC560
Q25
7K5
R115
620R
R116
100R
R117
25v
33n
C34 25v
18n
C35
56K
R118
BC560
Q20
7K5
R119
680R
R120
100R
R121
25v
100n
C50 25v
68n
C51
56K
R122 56K R123
25v
680p
C39
25v
4n7
C36
100R
R124
680R
R125
7K5
R126
BC560
Q27
15K
R127
15K
R128
BC550C
CBE
BC560C
BC560
Q22
V-
V-
V-
CUT_L
GEQOUT_L
BOOST_L
SG
SG
SG
CUT_R
GEQIN_M+
BOOST_R
GEQOUT_R
GEQIN_L+
GEQIN_R+
CUT_M
BOOST_M
GEQOUT_M
V+
V+
V+
GEQIN_R-
GEQIN_L-
NOTE: PART NUMBERS ON THIS SCHEMATIC WILL HAVE A "Q" SUFFIX ON THE M1055 PCB

YORKVILLE SOUND LTD PCB #:
DESIGN BY: SCH ISSUE:PCB VER: OFDWG #:
FOR MODEL(S):
TITLE:CAD FILE NAME:
C:\PCAD\EXE\ DATE:
DRAWN BY: VERSION_2.00000PFIPFI_&_GA
2.40_ _
AP1212_AP1216_AP508_AP512_AP516
OCT\18\93 1200_SERIES_MASTERM1055
M1055
1/2
33078
U1
2
31
1/2
33078
U1
6
57
1/2
33078
U2
2
31
1/2
33078
U2
6
57
1/2
33078
U3
2
31
1/2
33078
U3
6
57
1/2
NE5532
U4
2
31
1/2
NE5532
U4
6
57
1/2
TLO72
U5
2
31
1/2
TLO72
U5
6
57
1/2
TLO72
U11
2
3
1
1/2
TLO72
U7
2
3
1
1/2
TLO72
U7
6
5
7
1/2
TLO72
U9
6
57
1/2
TLO72
U9
2
31
1/2
TLO72
U8
6
57
1/2
TLO72
U8
2
31
1/2
TLO72
U10
6
57
1/2
TLO72
U10
2
31
1/2
TLO72
U11
6
57
1/2
TLO72
U6
2
31
1/2
TLO72
U6
6
57
MON_PRE
20A
50K
P1
MON_POST
20A
50K
P2
L_SUB
20A
50K
P3
R_SUB
20A
50K
P4
MAIN
20A
50K
P5
2K
R1
2K
R2
10K
R3
10K
R4
100K
R5
1K
R6
10K
R7
10K
R8 47K
R9
33K
R10
33K
R11
47K
R12
33K
R13
10K0
R14
14K0
R15
14K0
R16
10K0
R17
10K0
R18
14K0
R19
14K0
R20
10K0
R21
33K
R22
18K
R23
1K
R24
1K
R25
1K
R26
18K
R27
47K
R28
10K
R29
10K
R30
10K
R31
1K
R32
2K
R33
2K
R34
10K
R35
10K
R36
16v 470p
C25
4M7
R38
47K
R39
47K
R40
47K
R41
47K
R42
180K
R43
33K
R44
180K
R4533K
R46
10K0
R47
14K0
R48
14K0
R49
10K0
R50
10K0
R51
14K0
R52
14K0
R53
10K0
R54
14K0
R55
10K0
R56
10K0
R57
14K0
R58
14K0
R59
10K0
R60
10K0
R61
14K0
R62
10K0
R63
14K0
R64
14K0
R65
10K0
R66
100R
R67
100R
R68
10K
R69
7K5
R70
10K
R71
10K
R724M7
R73 2K
R74180K
R75
4M7
R76
2K
R77
4M7
R78
180K
R79
100R
R80
100R
R81
16v 470p
C24
7K5
R83
10K
R84
47R
R85
300R
R86
470R
R87
470R
R88
470R
R89
47K
R90
33K
R91
470R
R92
24K
R234 33K
R94
47K
R95
18K
R96
10K
R97
33K
R98
33K
R99
33K
R100
33K
R101
4K7
R102
4K7
R103
1K
R104
1K
R105
10K0
R106
33K
R107
1K
R108
1K
R109
10K0
R110
33K
R111
10K
R112
10K
R113
10K
R114
10K
R115
10K
R11610K
R117
10K
R118
10K
R121
10K
R122
10K
R123
10K
R124 10K
R12510K
R126
10K
R127
220R
R128
1M
R129
1M
R130
10K
R131
4K7
R132
33K
R133
18K
R134
33K
R135
330R
R136
330R
R137
330R
R138
1M
R139
330R
R140
330R
R141
330R
R142
33K
R143
1M
R144
2K
R145
2K
R146
2K
R147
PROTECT
RED
LD1
CW
INT_FX_SEND
50K
1B
P6
CW
EXT_FX_SEND
50K
1BP7
10K
R148
1K
R149 1K R150
33K
R151
150R
R152
10K
R153
4K7
R154 4K7
R155
220R
R156
220R
R157
33K
R158
220R
R159
33K
R160
220R
R161
220R
R162
10K
R163
10K
R164
1K
R165 1K R166
2K
R167
220R
R168
2K
R169
4K7
R170
4K7
R171
470K
R172
10K0
R173
10K
R174
1K8
R175
270R
R176
220R
R177
220R
R178
270R
R179
1K8
R180
10K
R181
10K0
R182 470K R183
10K
R184
4K7
R185
33K
R186
2K
R187
2K
R188
2K
R189
OUT
IN
S1
1
2
3
OUT
IN
GEQ_ASSIGN
S1
4
5
6
OUT
IN
PHANTOM
S6
1
2
3
OUT
IN
CURVE_SELECT
S4
1 2 3
OUT
IN
PROC_ON/OFF
S5
1 2 3
OUT
IN
S4
4 5 6
OUT
IN
S5
4 5 6
OUT
IN
S7
4 5 6
OUT
IN
AMP_ASSIGN
S7
1 2 3
OUT
IN
S6
4
5
6
OUT
IN
MOMENTARY
DISPLAY_SELECT
S3
1
2
3
OUT
IN
MOMENTARY
PHONES_SOURCE
S2
1
2
3
22u
16v
C1
68u
16v
C2
1K
R237
22u
25v
C4
22u
25v
C5
16PDIL_HEADER
MC1
12 34 56 78 910 1112 1314 1516
100K
R223
MW1
11
MW1
10
MW1
1
MW1
4
MW1
6
MW1
3
MW1
9
MW1
8
MW1
7
MW1
5
MW1
2
22V
ZD14
22V
ZD7
22V
ZD12
22V
ZD13
22u
35V
C63
BINARY_CODE
ENCODER
4BIT
P12
1 2 3 45
22u16v C6
22u16v C7
22u16v C8
22u 16v
C9
D
CW
1B
20K
RP1
D
CW
INT_FX_RTN
1B
20K
RP1
D
CW
EXT_FX_RTN
B1
20K
RP4
D
CW
B1
20K
RP4
D
CW
AUX_TO_SUBS
1B
20K
RP3
D
CW
1B
20K
RP3
D
CW
1B
20K
RP2
D
CW
1B
20K
RP2
MPSA17
Q1
MPSA17
Q2
MPSA17
Q3
MPSA13 Q4
MPSA13 Q5
MPSA13 Q6
MPSA13
Q7
MPSA13
Q8
MPSA13 Q9
16v
33u
C12
16v
33u
C13
MPSA63
Q10
PROM
U14
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
100n
C30
100n
C31
INT_FX_CLIP
RED
LD2
MON_POST_CLIP
RED
LD3
MON_PRE_CLIP
RED
LD4
L_LIM
RED
LD5
R_LIM
RED
LD6
RIGHT_SUB_CLIP
RED
LD7
LEFT_SUB_CLIP
RED
LD8
MAIN_CLIP
RED
LD9
EXT_FX_CLIP
RED
LD10
PHANTOM_ON
RED
LD11
270R
R190
270R
R191
1K
R192
1K
R193
C1 D1 B1 DP1 E2 D2 G2 C2 DP2
B2A2F2
CA2
CA1
A1
NCNCNC
U16
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18
CW
INT_FX_MPRE_RTN
A
50K
P8
CW
INT_FX_MPOST_RTN
A
50K
P9
CW
EXT_FX_MPOST_RTN
1B
10K
P10
CW
EXT_FX_MPRE_RTN
1B
10K
P11
270R
R194
270R
R195
270R
R196
270R
R197
270R
R198
270R
R199
FP
249R
R200
FP
249R
R201
FP
249R
R202
FP
249R
R203
FP
249R
R204
FP
249R
R205
FP
249R
R206
FP
249R
R207
FP
249R
R208
FP
249R
R209
FP
249R
R210
10R
R211
10R
R212
D3
D4
D5
D6
D8
D9 D10
D11
22u
35V
C64
SRT
MON_PRE_OUT
NO_GOLD
JB11
2
3
4
5
6
SRT
MON_POST_OUT
NO_GOLD
JB21
2
3
4
5
6
SRT
L/MONO_FX_RTN
GOLD_TIP
JB3 1
2
3
4
5
6
SRT
R_FX_RTN
GOLD_T_R
JB4 1
2
3
4
5
6
SRT
SUB_R_OUT
NO_GOLD
JB51
2
3
4
5
6
SRT
SUB_L_OUT
NO_GOLD
JB61
2
3
4
5
6
S R T
B_PWRAMP_IN
GOLD_T&R
JB7 1
2
3
4
5
6
S R T
A_PWRAMP_IN
GOLD_T&R
JB8 1
2
3
4
5
6
SRT
MAIN_OUT
NO_GOLD
JB91
2
3
4
5
6
SRT
RVB_DEFEAT
NO_GOLD
JB101
2
3
4
5
6
S R T
AUX_L_IN
NO_GOLD
JB11 1
2
3
4
5
6
SRT
AUX_R_IN
NO_GOLD
JB12 1
2
3
4
5
6
SRT
EXT_FX_SND
NO_GOLD
JB131
2
3
4
5
6
SRT
PHONES
NO_GOLD
JB141
2
3
4
5
6
X1
12
X2
12
X3
12
AT_REAR_PANEL
X4
1 2
PTC
10R
1W
R213
PTC
10R
1W
R214
PTC
10R
1W
R215
PTC
10R
1W
R216
PTC
10R
1W
R217
PTC
10R
1W
R218
PTC
10R
1W
R219
16v 470p
C32
16v 470p
C33
16v 470p
C34
16v 470p
C35
25V 2n2
C36
25V 2n2
C37 25v 100n
C38
25v 100n
C39
16v 100p
C40
16v 100p
C41
16v 100p
C42
16v 100p
C43
16v 100p
C44
16v 470p
C45
16v330n
C65
16v 330n
C66
16v330n
C67
16v22n
C46
16v 22n
C47
16v 22n
C48
16v 22n
C49
16v 330n
C50
16v
100n
C51
16v
100n
C52
PIN 11
D
IABC
1/2
LM13600
U17
13
15
14
16
129 10
PIN 11
D
IABC
1/2
LM13600
U17
4
2
3
1
58 7
BC560
Q11
BC560
Q12
BC560
Q13
LR
TAPE_OUT
RCA JB15
16v
470p
C53
16v
470p
C54
16v
10n
C55
25v
100n
C56
25v
100n
C57
16v
10n
C58
35V
100n
C59
35V
100n
C60
25v
100n
C73
25v
100n
C74
BD238
BCE
MC2
1
2
3
4
5
6
7
8
9
L3
L4
L5
L6
L7
L8
L9
L10
V-
V+
LO
INPUT
HI
REF
ADJ
MODE
L2 LED1(LO)
RIGHT_BAR
LM3916
U18
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
L3
L4
L5
L6
L7
L8
L9
L10
V-
V+
LO
INPUT
HI
REF
ADJ
MODE
L2LED1(LO)
LEFT_BAR
LM3916
U19
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
GRN
LD12
GRN
LD13
GRN
LD14
GRN
LD15
GRN
LD16
GRN
LD17
RED
LD18
RED
LD19
RED
LD20
RED
LD21
RED
LD22
RED
LD23
GRN
LD24
GRN
LD25
GRN
LD26
GRN
LD27
GRN
LD28
GRN
LD29
GRN
LD30
GRN
LD31
L_BAR
AMBER
LD32
R_BAR
AMBER
LD33
4004
D15
22u
16v
C68
Q5 Q1 Q0 Q2 Q6 Q7 Q3 VN
Q8Q4Q9COCECRSVP
MC14017BP
U20
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
Q5 Q1 Q0 Q2 Q6 Q7 Q3 VN
Q8Q4Q9COCECRSVP
MC14017BP
U21
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
SUB_L_/_SUB_R AMB
LD34
MAIN_/_EXTFX AMB
LD35
MON1_/_MON2 AMB
LD36
AUX_L_/_AUX_R AMB
LD37
VDP
Y
X
A
B
E
X0
X1
X2
X3
Y0
Y1
Y2
Y3
VAN VDN
4052
U15
1
23
4
5
6
7 8
9
10
11
12
13
14
15
16
1u
16v
C10
1u
16v
C11
BC550
Q14
BC550
Q15
BC550
Q16
BC550
Q17
BC550
Q18
BC550
Q19
BC550
Q20
BD238
Q21
10R
R220
1/4
MC4741
U12
2
31
1/4
MC4741
U12
6
57
1/4
MC4741
U12
9
10 8
1/4
MC4741
U12
13
12 14
1/4
MC4741
U13
13
12
14
1/4
MC4741
U13
9
10
8
1/4
MC4741
U13
2
3
1
1/4
MC4741
U13
6
57
BC264D
Q22
2K
R228
MC3
33u16v C14
33u16v C15
33u16v C16
33u16v C17
33u16v C18
33u16v C19
33u
16v
C20
33u16v
C21
33u16v C22
33u16v C23
100n
C69
25v4u7 C26
33u16v C27
33u16v C28
33u16v C29
LR
AUX_INPUT
RCA JB16
1K
R221
1K
R222
270R
R225
270R
R224
4K7
R227
4K7
R226
BC264D
Q23
MPSA17
Q24
2K
R229
4K99
R82
4K99
R37
4K99
R231
4K99
R230
10K
R232
33u
16v
C70
33u
16v
C71
16v
150p
C72
47K
R93
1/2
TLO72
U22
2
3
1
7K5
R233
1/2
TLO72
U22
6
5
7
35V
100n
C62
35V
100n
C61
1K
R236
4K7
R235
MPSA63
CBE
MPSA13 MPSA17
CBE
BC264D
DSG
BC550C
EBC
BC560C
1
8
YSL_PT#3611
FROM_PWR_SUPPLY
FX_INT FX_INT
GEQOUT_R
FX_EXT FX_EXT
M_SUB_R
M_SUB_R
RIGHT RIGHT
GEQIN_L-
GEQIN_R-
MON_POST MON_POST
MON_PRE MON_PRE
GEQIN_M+
M_MON_1M_MON_1
GEQOUT_M
GEQIN_R+
GEQIN_M-
M_MON_2
M_MON_2
GEQIN_L+
LEFT LEFT
M_EXT_FX
M_EXT_FX
LONG_RUN
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
IG
V-
V-
V-V-
V-
V- V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
V-
M_MAIN
M_MAIN
GEQOUT_L
M_SUB_L
M_SUB_L
M_AUX_R
M_AUX_R
CREF CREF
CREF
CREF
CREF
CREF
CREF
CREF
CREF
PHANT+
PHANT+ PHANT+
LEFTS
RIGHTS
ENABLE48
+5V
+5V +5V
+5V
+5V
+5V
+5V
AG
AG
AG
V+
V+
V+
V+ V+
V+
V+
V+
V+
V+
V+
V+
V+
V+
V+ V+V+
V+
V+
V+
V+
V+
V+
V+
V+
V+
V+
V+
DG
DG
DG
DG
DG
DG
DG DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG DGDG
DG
DG
DG
DG
M_AUX_L
M_AUX_L
SG
SG
SG
SG
SG
SG
SG
SG SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
REV.
3.20
M1056
M1055/M1056
IS ON M1056
IS ON M1056
IS ON M1056
IS ON M1056
DOTTED LINE
DOTTED LINE
DOTTED LINE
DOTTED LINE
CIRCUIT WITHIN
CIRCUIT WITHIN
CIRCUIT WITHIN
CIRCUIT WITHIN
IS PART OF M1056
CIRCUIT WITHIN DOTTED LINE
IN=MON1-A,MAIN-B
OUT=SUBL-A,SUBR-B
OUT=DISSABLE IN=PROCESSOR
OUT=P400\P1000 IN=P160\P600
R
L
L
R
DIN 45406:
DECAY=650mS
ATTACK=1.7mS
LIMITER
RIGHT
LIMITER
LEFT
STEREO
GRAPHIC
GRAPHIC
EQ
EQ
MONO
9 BAND
9 BAND

VCD
.020"
.012" .008"
.005"
.020"
.012"
.008"
.005"
ROUTE
GAGE
0.01"/HOLE
SHEARSHEAR
SHEARSHEAR
SHEAR SHEAR
SHEAR SHEAR
.020"
.012"
.008"
.005"
SOLDERSIDE M1055-4.20
BLANK SIZE=14.000"X7.750"
M1055-4.20
DRILL DETL M1055-4.20
U2
33078
U3
33078
U4
NE5532
U11
TLO72
U7
TLO72
U6
TLO72
P3
50K
20A #4582LEFT
P4
50K
20A #4582RIGHT
P5
50K
20A #4582MAIN
P1
50K
20A #4582MON_PRE
R228
2K
R107
33K
R189
2K
R31 10K
R184
10K
R1 2K
R160 33K
R95
47K
R105
1K
R3
10K
R87Q
12K
R109
1K
R6
1K
R166
1K
R4
10K
R133
33K
R70
7K5
R111
33K
R148
10K
R13
33K
R159
220R
R130
1M
R131
10K
R75
180K
R5
100K
R151
33K
R72
10K
R41
47K
R143
33K
4.250"
6.250"
DRILL
ORIGIN
R74
2K
R42
47K
R212
10R
R29
10K
R123
10K
R227
4K7
R138
270R
R169
2K
R140
270R
R104
1K
R165
1K
R125
10K
R30
10K
R32
1K
R25
1K
C63
25V
22U
C64
50V
22U
R116
10K
R36
10K
R141
270R
R132
4K7
R142
270R
R136
270R
R22 33K
R162
220R
R185
4K7
R168 220R
R93
47K
R94
33K
R170
4K7
R146
2K
R158 33K
R134
18K
R129
1M
R197
270R
R199
270R
R153
10K
R12710K
R232 10K
R137
270R
R8
10K
R91
33K
R229
2K
R178
220R
R155
4K7
R81
100R
R84
10K
R122
10K
R34
2K
R98
33K
R154
4K7
R33
2K
R28
47K
R80
100R
R211
10R
R149
1K
R194
270R
R225
270R
R198
270R
R191
270R
R80Q
30K
LD4
Y
LD7
Y
LD8
Y
LD9
Y
LD5
R
LD14
G
LD10
Y
LD11
Y
LD2
Y
LD3
Y
P7
50K
1B
FX2_SEND
#4563
P8
A
50K
FX1->MON1
#4563
P9
A
50K
FX1->MON2
#4563
P10
1B
10K
FX2->MON2
#4561
P11
1B
10K
FX2->MON1
#4561
RP1
FX1->SUB
#4564
20K
1B
S1
WHITE #3437
S6
WHITE #3437
S4
WHITE #3437
S5
WHITE #3437
S7
WHITE #3437
S2
BLUE
#3439
S3
BLUE
#3439
C1
16V
22U
C2
16V
68U
C4
25V
22U
C5
25V
22U
C6
16V
22U
C7
16V
22U
C8
16V 22U
C9
16V 22U
16
2 1
MC1
#3637
TO_FX_PCB
U16
RP2
PHONES
#4564
20K
1B
RP4
FX2->SUB
#4564
20K
1B
Q1
MPSA17
Q2
MPSA17
Q3
A17
Q4
MPSA13
Q5
MPSA13
Q6
MPSA13
Q7MPSA13
Q8
MPSA13
Q9
MPSA13
Q10
MPSA63
C12
33U
16V
C13
33U
16V
C14
16V
33U
C15
16V
33U
C16
16V
33U
C17
16V
33U
C18
16V
33U
C19
16V
33U
C22
16V
33U
C23
16V
33U
C27
16V 33U
C28
16V 33U
C29
16V
33U
C30
100N
C31
100N
C36
2N2
C38
100N
C39
100N
LONG AXIS
SHORT AXIS
INSERT
ORIGIN
GUIDE
ETCH
GUIDE
ETCH
C46
22N
C47
22N
C48
22N
C49
22N
C50
330N
C51
100N
C52
100N
C45
470P
C53
470P
C55
10N
C56
100N
C57
100N
C5810N
C59
100N
C60
100N
D14
22V
C4Q
10N
D6
4148
D4
4148
D9
4148
D10
4148
C3Q
2N2
JB14
HD_PHONE
C2Q
22N
LD15
G
C65
330N
C66
330N
C67
330N
U17
LM13600
Q11
BC560
Q12
BC560
Q13
BC560
Q14
BC550
Q15
BC550
Q16
BC550
Q17
BC550
Q18
BC550
Q19
BC550
Q20
BC550
U18
LM3916
U19
LM3916
LD16
G
LD17
G
LD18
R
LD19
R
LD20
R
LD21
R
LD22
R
LD23
R
LD24
G
LD25
G
LD26
G
LD27
G
LD28
G
LD29
G
LD30
G
LD31
G
LD32
G
LD33
G
LD34
G
LD35
G
LD36
G
LD37
G
LD12
G
LD6
R
LD13
G
R176
270R
C54 470P
U20
MC14017BP
U21
MC14017BP
Q21
LED_REF
BD238
R220
10R
U13
MC4741
Q23
BC264D
R18Q
680R
U15
4052
U14
PROM
MW4
#3639
#3638
R
R183
470K
R45
180K
R152
150R
R180
1K8
R182
10K0
R23
18K
R43
180K
R110
10K0
R106
10K0
R175
1K8
R173
10K0
R172
470K
R179
270R
R19Q
100R
R21Q
56K
R25Q
56K
R36Q
7K5
R20Q
7K5
R35Q
680R
R34Q
100R
R15Q
100R
R97Q
100R
R96Q
750R
R93Q
100R
R196
270R
R92Q
820R
R97
10K
R85
47R
R27
18K
R38
4M7
R73
4M7
R76
4M7
R78
4M7
R94Q
82K
R181
10K
R174
10K
R118
10K
R121
10K
R102
4K7
R117
10K
R115
10K
R35
10K
R7
10K
R223
100K
R126
10K
R124
10K
R103
4K7
R171
4K7
R157
220R
R156
220R
R10
33K
R947K
R1133K
R1247K
R147
2K
R237
4K7
R235
1K
R186 33K R135 33K
R144 1M R139 1M
R161 220R
R236
1K
R128
220R
R71
10K
R77
2K
R68
100R
R67
100R
R69
100K
R44
33K
R46
33K
R40
47K
R39
47K
C1Q
4N7
R145
2K
R226
4K7
R101
33K
R100
33K
R188
2K
R99
33K
R167
2K
R187
2K
R8Q
100R
R108
1K
R177
220R
R24
1K
P12
FX1_SEL
#4581
4BIT_GRAY
R111Q
7K5
C25Q
33N
R52Q
15K
R26
1K
GUIDE
ETCH
WC2
C66Q
100N
WC3
_WC3
_WC2
WC1
D5
4148
_WC1
D12
22V
D15
4004
R126Q
7K5
#3638
MC3
#3596TO_CHANNELS
R164
10K
R163
10K
MW3
PART#
R234
24K
P18Q
Y 20K #3995 63HZ
R114
10K
R
C37
2N2
C70
16V
33U
U22
TLO72
C72
150P
D8
4148
P6
50K
1B
FX1_SEND
#4563
R55Q
82K
D3
4148
U12
MC4741
R82
4K99
D13
22V
U1Q
33078
R37
4K99
R2 2K
R24Q
56K
R85Q
33K
C24
470P
C68
6V3
22U
C25
470P
C61Q
47P
Q24
MPSA17
R90 47K
R9618K
Q22
BC264D
J4
J5
D7
22V
MC4
#3611
POWER_SUPPLY
R79
180K
C26
4U7 25V
R113
10K
R91Q
7K5
RP3
AUX
#4564
20K
1B
C71
16V
33U
C10
16V
1U
R7Q
680R
R224
270R
R195
270R
P2
50K
20A #4582MON_POST
R190
270R
D11
4148
C5Q
1N
C6Q
4N7
C7Q
4N7
C8Q
18N
C9Q
33N
C10Q
47N
C11Q
10N
C12Q
18N
C13Q
33N
C14Q
33N
C23Q
1N
C16Q
4N7
C17Q
10N
C18Q
1N
C19Q
2N2
C20Q
10N
C21Q
22N
C22Q
47N
C24Q
33N
C27Q
47N
C28Q
22N
C29Q
10N
C30Q
2N2
C31Q
1N
C32Q
10N
C33Q
4N7
C34Q
33N
C35Q
18N
C36Q
4N7
R54Q 24K
R6Q
12K
MC2
TO-POWER_AMP #3631
R83Q
33K
R2Q
180K
R51Q
33K
R90Q 180K
R89Q
30K
R82Q
15K
C64Q
100N
R150
1K
R84Q
12K
R10Q
56K
R88Q
12K
R128Q
15K
C11
16V
1U
R86Q
15K
R9Q
7K5
R114Q
47K
LD1
R
R123Q
56K
R95Q
7K5
R98Q
47K
R99Q
7K5
R83
7K5
R14Q
680R
R102Q
56K
R103Q
7K5
R104Q
620R
R105Q
100R
R106Q
47K
R107Q
7K5
R108Q
620R
R109Q
100R
R110Q
47K
R13Q
7K5
R112Q
620R
R113Q
100R
R115Q
7K5
R116Q
620R
R117Q
100R
R118Q
56K
R119Q
7K5
R120Q
680R
R121Q
100R
R122Q
56K
R124Q
100R
R81Q
24K
R127Q
15K
R125Q
680R
R66Q
620R
P17Q
Y 20K #3995 8KHZ
P16Q
Y 20K #3995 125HZ
P15Q
Y 20K #3995 4KHZ
P14Q
Y 20K #3995 250HZ
P13Q
Y 20K #3995 2KHZ
P12Q
Y 20K #3995 500HZ
P10Q
Y 20K #3995 1KHZ
P11Q
20KY 16KHZ #3995
P1Q
Y20K
#3996 16KHZ
C40Q
68N
C41Q 100N
C42Q
82N
C43Q
180N
C44Q
68N
C45Q
100N
C46Q
180N
C47Q
82N
C48Q
82N
C49Q
180N
C50Q 100N
C51Q
68N
R11210K
C65Q
100N
U3Q
TLO72
C52Q
330N
C53Q
330N
C54Q
330N
C55Q
680N
C59Q 1U
C56Q
680N
C57Q
680N
C60Q 1U
C58Q 1U
P2Q
Y20K
#3996 125HZ
P3Q
Y20K
#3996 8KHZ
P4Q
Y20K
#3996 250HZ
P5Q
Y20K
#3996 4KHZ
P6Q
Y20K
#3996 500HZ
P7Q
Y20K
#3996 2KHZ
P8Q
Y20K
#3996 63HZ
P9Q
Y20K
#3996 1KHZ
R65Q
100R
C37Q
680P
C62Q
47P
C63Q
47P
C38Q
680P
C69
100N
C26Q
1N
U1
33078
C39Q
680P
Q2Q
BC550
Q3Q
BC560
Q4Q
BC550
Q5Q
BC550
Q6Q
BC550
Q7Q
BC560
Q8Q
BC550
Q9Q
BC550
Q10Q
BC550
Q11Q
BC550
Q12Q
BC560
Q13Q
BC560
Q14Q
BC560
Q15Q
BC560
Q16Q
BC560
Q17Q
BC560
Q18Q
BC560
Q19Q
BC560
Q22Q
BC560
Q21Q
BC560
Q24Q
BC560
Q23Q
BC560
Q26Q
BC560
Q25Q
BC560
Q27Q
BC560
Q20Q
BC560
Q1Q
BC550
U2Q
33078
R5Q
30K
R49Q
7K5
R27Q
620R
R28Q
100R
R30Q
56K
R50Q
56K
R233
7K5
R37Q
56K
R47Q
7K5
R77Q 100R
R39Q
620R
R40Q
100R
R42Q
47K
R56Q
47K
R78Q 820R
R76Q 82K
R70Q
680R
R29Q
7K5
R46Q
620R
R45Q
100R
R59Q
7K5
R11Q 820R
R61Q
100R
R62Q
620R
R53Q
47K
R1Q
7K5
R73Q
100R
R69Q
100R
R41Q
7K5
R58Q
620R
R57Q
100R
R74Q
750R
R38Q
47K
R32Q
7K5
R23Q
7K5
R63Q
7K5
R4Q
620R
R3Q
100R
R60Q
47K
R67Q
7K5
R44Q
620R
R33Q
100R
R64Q
47K
R71Q
7K5
R43Q
680R
R48Q
100R
R68Q
56K
R75Q
7K5
R26Q
750R
R31Q
100R
R72Q
47K
R17Q 7K5
R16Q 100R
R22Q 82K
R79Q 7K5
R12Q
47K
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
MAR/12/96
.
.
.
JAN/25/96
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
4.20
.
.
.
4.10
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
PC#XXXX
PC#4979
.
.
PC#4960
AP-MIXERS
M1055.PCB_DATABASE_HISTORY
R101Q
100R
R100Q
680R
C15Q
1N
ASSEMBLY M1055-4.20
BLANK SIZE=14.000"X7.750"
PCB MECH M1055-4.20
MON_POST
MON_PRE
V+ V-
SG
FX_INT FX_EXT PHANT+
CREF
LEFT
RIGHT
.200 SPACING
TO.190 Z. MOVED SHORTING
RADIAL RESISTORS TO
POT SPACING CORRECTED
TRACES
0.040" RADIAL RESISTORS
ALL RADIAL PART HOLES TO
#8701
#8701
#8701
PCB TO CHASSIS MOUNTING
3
#8861 #8492
#3501 #8793
Q21 MOUNTING
2
LED DISPLAY MOUNTING
PCB
#8656
#8656
#8682
#8682
#8682
#8682
#8682
#8871 #8871
#8871
M1015 GUIDE
MASONITE LED
1
PRODUCTION NOTES
LEDS
INSERT
MACHINE
INSERT
HAND

VCD
SHEAR
SHEAR
SOLDERSIDE M1056-3.20
BLANK SIZE=16.000"X7.750"
M1056-3.20
----->
M1055
TAPE OUT
L L
R
R
AUX IN
DRILL DETL M1056-3.20
J29
R201
249R
WHT RED
JB15
#3460 TAPE_OUT
R219
1WATT
10R
R218
1WATT
10R
R217
1WATT
10R
R216
1WATT
10R
R215
1WATT
10R
R213
1WATT
10R
R214
1WATT
10R
J21
R231 4K99
R230 4K99
J4
J5
J28
J27
J25
J31
J24
J14
J8
J10
J26
J6
J23
J22
J30
J20
J16
J19
J18
J17
J15
R65
14K0
R6414K0
R6310K0
R62 14K0
R61 10K0
R60 10K0
R59
14K0
R58
14K0
R57 10K0
R56 10K0
R55
14K0
R54
10K0
R53
14K0
R52
14K0
R51
10K0
R50
10K0
R4914K0
R4814K0
R47
10K0
R2110K0
R2014K0
R1914K0
R1810K0
R1710K0
R1614K0
R1514K0
R1410K0
R6610K0
R86
300R
JB13
EXT_FX_SEND
JB12
AUX_R_IN
JB11
AUX_L_IN
JB10
RVB_DEFEAT
JB9
MAIN_OUT
JB8
PWRAMP_A_IN
GOLD GOLD
JB7
PWRAMP_B_IN
GOLD
GOLD
JB6
SUB_L_OUT
JB5
SUB_R_OUT
JB4
R_FX_RTN
GOLD GOLD
JB3
L/MONO_FX_RTN
GOLD
JB2
MON_POST_OUT
JB1
MON_PRE_OUT
R204
249R
R210249R
R209
249R
R206
249R
R203
249R
R207
249R
R205
249R
R202
249R
R200
249R
EY2
R192
1K
C61
100N
C73
100N
C44
100P
C43
100P
C42
100P
C41
100P
C40
100P
C35
470P
C34
470P
C33
470P
C32
470P
C21
16V 33U
C20 16V 33U
R89
470R
R88
470R
R87 470R
R91
1K
U10
TLO72
U8
TLO72
U9
TLO72
U5
TLO72
1
FUNCTION
4.250"
6.250"
DRILL
ORIGIN
LONG AXIS
SHORT AXIS
INSERT
ORIGIN
EY1
WHT RED
JB16
#3460
AUX_INPUT
R208
249R
R193
1K
FUNCTION PT#3596
TJH1
TJH2
C62
100N
1
MW1
R90
1K
R92 470R
C74
100N
ASSEMBLY M1056-3.20
BLANK SIZE=16.000"X7.750"
PCB MECH M1056-3.20
GNDCHASSIS
AZ HOLE

BDX53C
ECB
EY1
X1
1 2
40CFM
FAN
47K
R65
3K3
R21
4K7
R20
15K
R4
18V
500mW
ZD1
6K8
0.5W
R7
TP2
TP1
100u
50v
C12
EY12
EY9
EY8
EY7
WC8
T12A
WC9
EY4
EY5
47K
R66
EY11
1K
R5
D8
1K
R67
10K
R22
MPSA43
Q5
MPSA56
Q19
E B C
MPSA06
1u
63V
C11
EY30
EY21
100V 100n
C27
1N4004
D32
1N4004
D33
T1A
CSA
22n
C1
TAB3
T15A
4K7
R17
MPSA56
Q4
500mW
16v
ZD7
15K
R15
WC5
WC6
10K
R19
D7
4v7
500mW
ZD2 4K7
R18
2R2
R13
D6
BDX53C
Q3
T12A
1N4004
D11
470u25v C10
1N4004
D12
25v
22n
C9
2R2
R12
4700U
16V
C24
4v7
500mW
ZD3
68K
R2 68K R3
D4
D3
30K
R9
820K
R6
2R2
R11
20v
500mW
ZD4
20V
500mW
ZD5
1N4004
D9 1N4004 D10
30K
R8
220R
R10
A06
Q2
YORKVILLE NAME: PCB#&VER:
MODELS: SCH ISSUE:
TITLE:
DATE:
M1057-3.21
AUDIOPRO_1212E/1216E_MIXERS
M1057E.SCH
SEP/27/94
SUPPLY?FAN_PCB
2.20
6K8
0.5W
R16
MC1
1
2
3
4
WC2
EY10
100K
R64
WC4
WC7
8A/65C
TB2
8A/SW TB1
WC1
EY6
1N4004
D5
D2
T15A WC3
68K
R1
150u
100v
C7
470u
63v
C6
470u
63v
C5
150u
100v
C4
13AMP
DB2
3
4
1
2
13AMP
DB1
3
4
1
2
TR1
220/240VAC
TOROID
YSL#1315
4v7
500mW
ZD6
10u
50v
C8
100K
R23
MJ15031
Q13
4K7 R62
MPSA06
Q6
43V
500mW
D14
22K
R24
22u
50V
C13
10R
R25
18R
R26
3K3
R27
4K7
R28
1N4004
D23
X2
12
500mW
6V2
D15
4u7
25v
C14
IN REF OUT
7805Q14
1
2
3
63v10n
C19
1K
R63
25v 1n
C20
25v 1n
C21
33R
R29
33R
R30
100K
R31
100K
R32
4u7
25v
C15
4u7
25v
C16
30v
500mW
D16
15K
R33
4u7
25v
C17
4u7
25v
C18
4K7
R34
4K7
R35
10K
R36
10K
R37
4v7
500mW
D17
4v7
500mW
D18
100K
R38
100K
R39
MPSA06
Q7
MPSA56
Q8
2K
R40
MPSA56
Q9
MPSA06
Q10
68K
R41
68K
R42
2K
R43
2K
R44
IN REF OUT
7915Q16
2
1
3
IN REF OUT
7815Q15
1
2
3
1R
0.5W
R54
1R
0.5W
R55
1R
0.5W
R56
1R
0.5W
R57
1R
0.5W
R58
1R
0.5W
R59
1R
0.5W
R60
1R
0.5W
R61
2200u
25v
C25
2200u
25v
C26
1K
R45
3K3
R69
3K3
R70
1K
R46
1N4004
D25
1N4004
D24
470R
R47
470R
R48
MPSA56
Q11
MPSA06
Q12
P
S
G
D
MTA2955E
Q17
S
G
D
N
MTA3055E
Q18
10K
R49
10K
R50 1N4004 D31
51v
500mW
D21
1N4004
D28
63v
22n
C22
1N4004
D27
51v
500mW
D22
63v
22n
C23
1N4004
D30 1N4004 D29
1N4004
D26
10K
R51
10K
R52
2K
R53
EY2
EY3
BC550
Q1
1N4004
D34
1N4004
D35 D36
63v
220n
C28
10K
R68
C B E
BC550C
IN
REF OUT
7805
7815
B C E
MJ15031
G D S
MTA3055E
MTA2955E
REF
IN
OUT
7915
20V
500mW
D19
20V
500mW
D20 D38
D37
1
8
YSL_PT#3613
TO_M1055
CHASSIS
KILL
MVSEC0
MVSEC180
VH+
RTSENSE
LTSENSE
BROWN
VM+
VM+
VM-
FTSENSE
VH-85V
VM-50V
VM+50V
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND GND
GND
DG
DG
DG
+5V
+5V
BLUE
PHANT+
ENABLE48
VH+85V
V+
V+
V+
V+
V+
V+
V+
AG
AG
AG
AG
AG
AG
AG
V-
V-
V-
V-
V-
240\220 VAC 50 Hz LINE
FROM EY1
ORANGE WIRE REMOVED
GREEN WIRE TO EY1
FOR 220V OPERATION
220V
240V
BRN
GRN
ORN
GRN/YELL
5 VOLT SUPPLY
PHANTOM POWER SUPPLY
LOW VOLTAGE SWITCHING SUPPLY
IS OFF-PCB
ENCLOSED CIRCUITRY
RED WIREBLK WIRE
BREAKER
CIRCUIT
SWITCH/
POWER
WIRE
BLACK WIRE BLACK
(TEMP MEASURED AT SENSOR)
CAPACITOR
CAPACITOR
LOW ESR
LOW ESR
+28v @ 80 DEGREES CELSIUS
20V MAX AMPLIFIER HOT
FAN VOLTAGE 2V MIN AMPLIFIER COLDTP2
FAN SPEED CONTROL CIRCUIT
POWER SUPPLY
TP1
RED
RED
HIGH CURRENT TO M1048
ROG
LOG
PG
ENCLOSED CIRCUITRY IS OFF-PCB
VIOLET
VIOLET BLUE
WHITE
BLACK
BLACK
BLACK
YELLOW
RED
ALL UNMARKED DIODES ARE 1N4148.
ACTUAL PARTS MAY HAVE HIGHER VOLTAGE RATINGS.
NOTE: CAPACITOR VOLTAGE RATINGS SHOWN ARE MINIMUM REQUIRED.
WHITE
BLUE
BLUE
YELLOW
YELLOW
GREY
SERVICE WARNING: POTENTIALS CLOSE TO 200 VDC, USE CAUTION.
5 WATTS
ABOUT
SENSOR:
10K @ 80~
25K @ 55~
50K @ 40~
100K @ 25~
MPSA43
MPSA56

VCD
SHEAR
SHEAR SHEAR
SHEAR
SOLDERSIDE M1057-3.10
BLANK SIZE=12.500"X9.500"
M1057-3.10
JAN 93
EY20
RED
C2
4N7
250VAC
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
.
DEC/18/96
AUG/27/96
JAN/31/96
JUL/05/94
JUN/23/94
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
.
3.30
3.21
3.21
3.21
3.21
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
PC#5287_C5,C6_470U/50V-->470U/63V
PC#5281_4004_HOLE_SIZE_.056"->.052"
PC#5187_AMP-INS-->SLOT_EYELETS
PC#5000_RADIAL_JUMPER_HOLES-->.042"
PC#4577_VCD_HOLES_MOVED_UP_0.25"
PC#4529_BD651-->BDX53C
AP-MIXERS
M1057.PCB_DATABASE_HISTORY
T12A
12A-SB
#3414
MC2 #3613
TO_M1055
D8 1N4148
ZD5
20V
D6
1N4148
R4 15K
R5
1K
R13
2R2
R12
2R2
R2
68K
R3
68K
R9
30K
R6
820K
R11
2R2
R8
30K
R10220R
R1
68K
R18 4K7 R17
4K7
R15
15K
R19
10K
ZD1
18V
ZD2
4v7
ZD3
4v7
ZD6
4v7
ZD7
16V
R7
0.5W
6K8
R16
0.5W
6K8
22N
250VAC
TP2
TP1
TAB3
250TAB
AC_WHT
EY12
EY9
YEL
EY8
YEL
EY7
RED
EY4
BLK
EY5
GRY
EY11
BLU
EY10
BLU
EY6
RED
T1A
1A-SB
#3414
EY1
ORN
J22
D30
4004
Q2
A06
Q4
A56
WC1
BLK
R36
10K
WC4
YEL
EY3
VIO
C10
25v
470u
#5621
WC8
WHT
WC6
BLK
WC9
BLU
WC7
BLK
WC2
GRN
WC5
GRN
EY21
BLK
C11
1U
63V
C18
4u7
25v
ZD4
20V
D37 4148
R69
3K3
Q17
MTA2955
SPC1
1
_MW1
1
MW1
TEMP.SENSE
WC3
RED
D10
4004
D11
4004
D9
4004
R47
470R
MC1
TEMP.SENSE
T15A
15A-SB
#3414
C4
100V 150U
#5883
LEADS UP
KBPC__-W
T12A
12A-SB
#3414
D3
4148
D2
4148
D4
4148
Q1
BC550
C9
22n
C25
25V
2200u #5888
#3692#3892
C7
100V 150U
#5883
C26
25V
2200u #5888
T15A
15A-SB
#3414
R20
4K7
Q14
+5SUPPLY
7805
B E
Q13
PHANTOM
MJ15031
#3692
C23
22N
C22 22N
C21
1n
C20
1n
C19
10n
C17
4u7
25v
C16
4u7
25v
C15
4u7
25v
C14
4u7
25v
C13
22u
50V
100N
100V
D24
4004
D29
4004
D28
4004
D27
4004
R67
1K
D25
4004
D31
4004
J1
D23
1N4004
Q12
A06
Q11
MPSA56
Q10
MPSA06
Q9MPSA56
Q8
MPSA56
Q7
MPSA06
Q6
MPSA06
Q5
MPSA43
C12
50v
100u
R61
0.5W
1R
R60
0.5W
1R
R59
0.5W
1R
R58
0.5W
1R
R57
0.5W
1R
R56
0.5W
1R
R55
0.5W
1R
R54
0.5W
1R
D22
51v
D21
51v
D20
20v
D19
20v
D18
4v7
D17
4v7
D16
30v
D15
6V2
D14
43V
R53
2K
R52
10K
R5110K
R50
10K
R49 10K
R48 470R
D38
4148
R46 1K
R45
1K
R44
2K
R43
2K
R42
68K
R41
68K
R39
100K
R40 2K
R37
10K
R38100K
R35
4K7
R34
4K7
R33 15K
R32
100K
R31
100K
R30 33R
R29
33R
R28
4K7
R27
3K3
R26
18R
R25
10R
R24
22K
R23
100K
R22
10K R21
3K3
Q16
7915
C8
10u
50v
Q15
7815
R62 4K7
B E
Q3
FAN_CTL
BDX53C
C24
16V
4700U
R63
1K
Q18
MTA3055E
EY2
VIO
J2
D33
4004
J3
R703K3
D12
4004
250TAB
AC_WHT
D26
4004
J4
R66 47K
R64100K
C27
R65
47K
D7
4148
D32
1N4004
LEADS UP
KBPC__-W
D5
4004
R68
10K
C28
220N
Q19
MPSA56
D36
4148
D34
4004
D35
4004
C5
470u
63V
C6
470u
63V
ASSEMBLY M1057-3.30
BLANK SIZE=12.500"X9.500"
PCB MECH M1057-3.30
1A-SB TO T1A PT#2471
FOR EUROPEAN ONLY CHANGE
C5,C6 USE PT #3692 ONLY
4
3
2
1
PRODUCTION NOTES
HOLEAZ
WITH #8861 SCREW AND #8701 NUT
HEAT SINK PT #3692 MOUNTED
#3501 BELL WASHER
#8742 THREAD FORMING SCREW AND
THESE DEVICES ARE MOUNTED WITH
Q18 Q15 Q16 Q17 Q13 AND Q14
ADD THERMAL COMPOUND UNDER
MUST BE APPLIED
WHERE SILICON RTV
THIS SYMBOL INDICATES
ALLOWED
NO SUBS
CAP
LOW ESR
USE #5632
FOR C5,C6
VER 3.30
M1057

VCD
SHEAR
M1062-2.10
16
2
1
MC2 #3598
R4 9K760
U1 TLO74
R8
9K760
R5
9K760
R1
9K760
R3
9K760
R7 9K760
R2
9K760
J3
J2
R6
9K760
C2 100N
J4
4.250" 6.250"
LONG AXIS
SHORT AXIS
INSERT ORIGIN
C1 100N
J1 C3
330U
16V
16
2
1
MC1
#3599
ASSEMBLY M1062-2.10
PCB MECH M1062-2.10
YORKVILLE SOUND LTD PCB #:
DESIGN BY: SCH ISSUE:PCB VER: OFDWG #: FOR MODEL(S):
TITLE:CAD FILE NAME:
C:\PCAD\EXE\ DATE:
DRAWN BY: 11H.G.P.F.I.
1.00
M1062-1.20 AP-1212,16,508,512
OCT/07/92 ALESIS_BUFFER_PCBC\M1062.SCH
M1062
1/4
TLO74
U1
2 31
1/4
TLO74
U1
13 12 14
1/4
TLO74
U1
9
10 8
1/4
TLO74
U1
6 57
100n C2
100n C1
9K760
R1
9K760
R6
9K760
R7
330u
16V
C3
9K760
R5
9K760
R2
9K760
R8
9K760
R3
9K760
R4
2 16
M1061
TO ALESIS
16
2
4 U1
11 U1
TO PIN TO PIN
15
15
1
1
M1055
FROM
D:\PUBLIC\JB\M1062V1.PRN

PCB NO: M1081 - 1.10
FILE NAME: M1081.CDR
NOTE
SOME OF THESE ILLUSTRATIONS DO NOT NECESSARILY AFFECT
BOARD ASSEMBLY, BUT WIRING INSTEAD
NOTE:
THIS IS NOT A COMPONENT LAYOUT AND SHOULD NOT BE USED AS ONE
MODEL(S) AFFECTED:
DESIGN BY: IERYMENKO/ATTWOOD DRAWN BY: A. POLLARD DATE: OCT 13, 1993
PRODUCTION LAYOUT VERSION NO: 1.00
Yorkvill e
YORKVILLE SOUND
550 GRANITE COURT
PICKERING, ONTARIO, CANADA, L1W 3Y8
PHONE: [phone] FAX: [phone]
SOLDERSIDE M1081-1.00
L L
R
R
SOL S DE M1081-00DER I
1
11
1
1
1
1
1
AFTE R SOLDERING
BREAK AWAY BOARDS AS REQUI RED
PUT RIBBON CABLE INTO STRAIN
RELIEF’S AS SHOWN
MOLEX CABLES
CHECK THAT THE ORIENTATION IS CORRECT
MAKE SURE THAT CABLE IS PUT IN STRAIGHT
BEND OVER THE TWO OUTSIDE LEGS, CHECKING
THAT THEY DONT SHORT TO ANOTHER TRACE
TRIM ALL OTHER LEGS
ALL THERMISTORS (1-7) MUST BE
PUS HE D AWAY FROM JACKS . I N
OTHER WORDS, THEY MUST STAND
UP STRAIGHT
1
2
3
46 7
5
(THEY HAVE BEEN LABELLED ACCORDINGLY)
AFTER SOLDERI NG
BRE AK AWAY BOARD
ADD RTV SILICONE BETWEEN RIBBON
CABLE AND PCB.
DO NOT PUT CABLE INTO STRAIN RELIEF
RIBBON CABLE MUST BE FLAT AS POSSIBLE
TO THE PCB
NOTE
CHECK THAT JACK IS MOUNTED
FLAT ON THE PCB.
BEND A LEG OVER ON EITHER
SIDE TO HOLD THE JACK IN PLACE
WHEN BENDING THE LEG MAKE
SURE IT IS NOT SHORTING
TO ANOTHER TRACE
BEND OVER THE TWO
OUTSIDE LEGS TO HOLD
JACK IN PLACE
THE CENTER LEG IS TO BE TRIMMED

York vi ll e
Yorkville Sound Yorkville Sound Inc.
550 Granite Court
Pickering, Ontario, Canada L1W 3Y8
Tel: [phone] Fax: [phone]
4625 Witmer Industrial Estate
Niagara Falls, New York, U.S.A. 14305
Tel: [phone] Fax: [phone]
AIR
DIRECTION
IN
OUT
FAN AIR FILTER INSTALLATION
FOR
AUDIOPRO 508
AUDIOPRO 512
AUDIOPRO 1212
AUDIOPRO 1216
AUDIOPRO1220
PRODUCTINSERTNOVEMBER26, 1993 AP12_FAN.CDRCORELDRW4.0
When re- ordering ask for
FILTER KIT
Kit contains:
2 - Velcro Strips
5 - Foam Filters
In locations wherehigh levels of dust and
smoke are present, the filter kit when
cleanedregularly will prevent dust from
entering the amplifier.
(Extra pieces of foam have been includedwith this product)
Apply1piece of foam as shown. Inspect regulary as a clogged
filter will cause the amplifier to overheat. Replace or