Phonic MQ3300 User manual

PROFESSIONAL GRAPHIC EQUALIZERS
MQ 3300/3400/3600MQ 3300/3400/3600

PROFESSIONAL GRAPHIC EQUALIZERS
3300/3400/3600MQMQ 3300/3400/3600
Page 2
PHONIC CORPORATION
PANEL LAYOUT
MQ3300
SYSTEM BLOCK DIAGRAM
PANEL LAYOUT................................3
MQ3400 PANEL LAYOUT................................4
MQ3600 PANEL LAYOUT................................5
MQ3300 SYSTEM BLOCK DIAGRAM..............6
MQ3400 SYSTEM BLOCK DIAGRAM..............7
MQ3600 SYSTEM BLOCK DIAGRAM..............8
PCB
SCHEMATIC
MQ3300
EQUALIZER SCHEMATIC.............................15
INPUT&OUTPUT SCHEMATICS....................16
MQ3400
EQUALIZER SCHEMATIC.............................17
CH1 INPUT&OUTPUT SCHEMATICS.............18
CH2 INPUT&OUTPUT SCHEMATICS.............19
MQ3300 VR&SWITCH PCB............................9
MQ3400 VR&SWITCH PCB...........................10
MQ3300 3400 3600MAIN BOARD PCB-A.......11
MQ 3600 MAIN BOARD PCB-B......................12
MQ 3600VR&SWITCH PCB...........................13
MQ3600 REGULATED IC PCB......................14
Phonic reserves the right to improve or alter any information supplied within this
document without prior notice.
V2.1
09/11/02
MQ 3300/3400/3600 SERVICE MANUAL
MQ3600
EQUALIZER SCHEMATIC............................20
CH1 INPUT&OUTPUT SCHEMATICS............21
CH2 INPUT&OUTPUT SCHEMATICS............22
PART LIST
MQ3300
MAIN BOARD PCB-PART LIST......................23
VR & SWITCH PCB-PART LIST.......................27
E .............................28
N ...30
MQ3400
MAIN BOARD PCB-PART LIST......................32
VR & SWITCH PCB-PART LIST.....................37
E .............................38
N ...40
MQ3600
PCB-PART LIST...........................................42
VR & SWITCH PCB-PART LIST.....................47
E .............................50
N ...53
DIMENSIONS
MQ3300 DIMENSIONS.................................55
MQ3400 DIMENSIONS.................................56
MQ3600 DIMENSIONS.................................57
MISCELLAN OUS ITEMS
POWER REQUIREME T CLASSIFICATION
MISCELLAN OUS ITEMS
POWER REQUIREME T CLASSIFICATION
MISCELLAN OUS ITEMS
POWER REQUIREME T CLASSIFICATION

Page 4Page 3
PHONIC CORPORATION
MQ 3300
PANEL LAYOUT
KNOB: 541-20020-320-0
POT: 026-20332-000-0
LEVEL
KNOB: 541-20020-120-0
POT: 026-20332-000-0
KNOB: 542-60090-122-0
SW: 210-02201-000-0
KNOB: 542-20040-120-0
SW: 210-02201-010-0
PEAK
100-00110-000-0
(RED)
LED(RED)
100-00110-000-0
LED(GRN)
100-00150-000-0
POWER LED(RED)
100-00110-000-0
AC120V
50/60Hz
17W
AC120V
50/60Hz
17W WARNING
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE ,
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE .
WARNING
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE ,
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE .
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
CAUTIONCAUTION
TO REDUCE THE RISK OF FIRE OR ELECTRICAL
SHOCK,DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
TO REDUCE THE RISK OF FIRE OR ELECTRICAL
SHOCK,DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
WARNINGWARNING
JACK CONFIGURATIONS
FOR INPUT JACKS
JACK CONFIGURATIONS
FOR INPUT JACKS
OUTPUT INPUTOUTPUT INPUT
(+) ( - ) ( G)(+) ( - ) ( G)
T1AT1A
UNBALANCEDUNBALANCED BALANCEDBALANCED
POWER CORD:370-24510-2030
STR, REL, BUSHING:527-06000-000-0
FUSE:280-10261-000-0
FUSE HOLDER:281-04000-000-0
6D3/J:211-01602-020-0
MQ 3300/3400/3600 SERVICE MANUAL

Page 4Page 4
PHONIC CORPORATION
MQ 3400
CH1: KNOB: 541-20020-320-0
POT: 026-20332-000-0
Ch1 LEVEL:
KNOB: 541-20020-120-0
POT: 026-20332-000-0
CH2:
KNOB: 541-20020-320-0
POT: 026-20332-000-0 Ch2 LEVEL:
KNOB: 541-20020-120-0
POT: 026-20332-000-0
Ch1/2
KNOB: 542-60090-122-0
SW: 210-02201-000-0
POWER
KNOB: 542-20040-120-0
SW: 210-02101-010-0
LED(RED)
100-00110-000-0
LED(GRN)
100-00150-000-0
POWER LED(RED)
100-00110-000-0
PEAK LED(RED)
100-00110-000-0
AC120V
50/60Hz
17W
AC120V
50/60Hz
17W WARNING
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE ,
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE .
WARNING
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE ,
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE .
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL
CAUTIONCAUTION
TO REDUCE THE RISK OF FIRE OR ELECTRICAL
SHOCK,DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
TO REDUCE THE RISK OF FIRE OR ELECTRICAL
SHOCK,DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
WARNINGWARNING
CHANNEL TWOCHANNEL TWO CHANNEL ONECHANNEL ONE
JACK CONFIGURATIONS
FOR INPUT JACKS
JACK CONFIGURATIONS
FOR INPUT JACKS
OUTPUT INPUTOUTPUT INPUT OUTPUT INPUTOUTPUT INPUT
(+) ( - ) ( G)(+) ( - ) ( G)
T1AT1A
UNBALANCEDUNBALANCED BALANCEDBALANCED
POWER CORD:370-24510-2030
STR, REL, BUSHING:527-06000-000-0
FUSE:280-10261-000-0
FUSE HOLDER:281-04000-000-0 6D3/J:211-01602-020-0
MQ 3300/3400/3600 SERVICE MANUAL
PANEL LAYOUT

SYSTEM BLOCK DIAGRAM
Page 5
PHONIC CORPORATION
PANEL LAYOUT
CH1/ CH2
KNOB: 541-20020-320-0
POT: 026-20332-000-0
CH1/ 2 LEVEL
KNOB: 541-20020-120-0
POT: 026-20332-000-0
KNOB: 542-60090-122-0
SW: 210-02201-000-0
POWER
KNOB: 542-20040-120-0
SWITCH: 210-02101-0100
CH1/ 2 HPF
KNOB: 541-20020-120-0
POT: 026-20332-000-0
LED(RED)
100-00110-000-0
LED(GRN)
100-00150-000-0
POWER LED(RED)
100-00110-000-0
PEAK LED(RED)
100-00110-000-0
POWER CORD:370-24510-2030
STR, REL, BUSHING:527-06000-000-0
FUSE:280-10261-000-0
FUSE HOLDER:281-04000-000-0 6D3/J:211-01602-020-0
XLR JACK:
211-03300-090-0
XLR JACK:
211-03300-010-0
MQ 3300/3400/3600 SERVICE MANUAL
MQ 3600

MQ 3300 SYSTEM BLOCK DIAGRAM
Page 6
PHONIC CORPORATION
MQ 3300 SYSTEM BLOCK DIAGRAM
MQ 3300
MQ 3300/3400/3600 SERVICE MANUAL

Page 7
PHONIC CORPORATION
MQ 3400 SYSTEM BLOCK DIAGRAM
MQ 3400 SYSTEM BLOCK DIAGRAM
MQ 3400
MQ 3300/3400/3600 SERVICE MANUAL

Page 8
PHONIC CORPORATION
MQ 3600 SYSTEM BLOCK DIAGRAM
MQ 3600 SYSTEM BLOCK DIAGRAM
MQ 3600
MQ 3300/3400/3600 SERVICE MANUAL

PHONIC CORPORATION Page 4Page 9
MQ 3300/3400/3600 SERVICE MANUAL
VR & SWITCH PCB
MQ 3300 VR & SWITCH PCB

PHONIC CORPORATION Page 4Page 10
MQ 3300/3400/3600 SERVICE MANUAL
MQ 3400 VR & SWITCH PCB
VR & SWITCH PCB

PHONIC CORPORATION Page 4Page 11
MQ 3300/3400/3600 SERVICE MANUAL
MQ 3300 3400 3600 MAIN BOARD PCB -A
MQ 3300 3400 3600 MAIN BOARD PCB -A

PHONIC CORPORATION Page 4
Page 12
MQ 3300/3400/3600 SERVICE MANUAL
MAIN BOARD PCB-B
MQ 3600 MAIN BOARD PCB-B

PHONIC CORPORATION Page 4Page 13
MQ 3300/3400/3600 SERVICE MANUAL
VR & SWITCH PCB
026-20332-000-0 026-20332-000-0
290-03000-202-0
290-03000-500-0
290-03000-500-0
MQ 3600 VR & SWITCH PCB

PHONIC CORPORATION Page 4Page 14
REGULATED POWER SUPPLY IC PCB
MQ 3300/3400/3600 SERVICE MANUAL
MQ 3600 REGULATED POWER SUPPLY IC PCB

EQUALIZER SCHEMATIC
Page 15
PHONIC CORPORATION
MQ 3300 EQUALIZER SCHEMATIC
MQ 3300/3400/3600 SERVICE MANUAL
VR414 20KW
*C924 0.0047
~IC414B 4558
VR406 20KW
*R919 180
5KHZ
+C550
10uF/50V
320HZ
*TVR809 200K
~IC407A 4558
R9XX
*TVR801 200K
*C304 1.5/16
*C405 0.082
*R407 180
2.5KHZ
C9XX *C926 0.0033
*C830 0.0033
*C312 0.22/16
~IC409B 4558
*C919 0.0039
D551 20V
VR420 20KW
+C553
220uF/25V
~IC414A 4558
VB+
*R918 180
4KHZ1.25KHZ
VR409 20KW
Q550
2SD882
R8XX
*R401 220
~IC402B 4558
*C305 1.5/16
*R307 270K
2KHZ
C8XX *C826 0.0082
*R929 180
VR428 20KW
VR410 20KW
*R411 180
*TVR823 200K
*C819 0.056
VR424 20KW
~IC413B 4558 *R917 180
3.15KHZ
*C824 0.015
R551 1K8
C9XX
250HZ
*R301 270K
*TVR803 200K
~IC403A 4558
*C407 0.068
*R409 180
~IC406B 4558
1.6KHZ
R9XX
*R925 180
*C929 0.0022
C942 0.1uF
VR402 20KW
*R311 390K *R818 560K
VR403 20KW
*TVR831 200K
+C554
220uF/50V
*R916 180
*R823 180
2.5KHZ
R9XX
200HZ
*R403 180
*C307 0.82
*R309 300K
~IC406A 4558
1.25KHZ
R8XX
*R825 180
*C829 0.0056
1KHZ
VR430 20KW
*R414 180
*C918 0.0039
EQ A
*TVR830 200K *TVR822 200K
EQ B
*C923 0.0068
2KHZ
80HZ
VR404 20KW
R9XX
R8XX
160HZ
*R303 240K
~IC404A 4558
*C409 0.039
*TVR815 200K
1KHZ
C9XX
*C925 0.0047
*R928 180
800HZ
VR421 20KW
*C401 0.22
*R314 620K
*C818 0.056
R552 68 1/2W
*C411 0.022
*TVR821 200K
C8XX
*C823 0.022
1.6KHZ
VCC
VR401 20KW
63HZ
20KHZ
C9XX
125HZ
*C403 0.15
*TVR806 200K
*C309 0.56
*TVR814 200K
20KHZ
*R828 180
630HZ
TVR815
+ -
IC102A
4558
3 2
1
84
*C301 3.3/16
*C414 0.0082
*R817 390K
*TVR820 200K
*R822 180
*TVR829 200K
VEE
C9XX
C940 0.1uF
50HZ
16KHZ
C938 0.1uF
C8XX
100HZ
*C303 2.2/16
*R406 180
~IC405A 4558
*TVR813 200K
16KHZ
*C928 0.0022
*R831 180
500HZ
*C311 0.33/16 *C314 0.15/16
800HZ
C944 0.1uF
R8XX
*TVR819 200K
VR415 20KW
VR426 20KW
*C926 0.0068
*TVR828 200K
40HZ
12.5KHZ
80HZ
*R306 330K
*TVR808 200K
*TVR812 200K
12.5KHZ
~IC409A 4558
*C828 0.0056
*R831 180
VCC
400HZ
*R410 180
630HZ
VR429 20KW
*TVR818 200K
*C917 0.0056
VCC
VR416 20KW
VR422 20KW
*C822 0.022
*TVR827 200K
VEE
63HZ
*R408 180
*TVR811 200K
10KHZ
*TVR816 200K
*R927 180
*R829 180
+C551
10uF/50V
320HZ
~IC402A 4558
*R415 180
R553 1K8
*R413 180
*TVR817 200K *C817 0.082
*R821 390K
*TVR826 200K
50HZ
35HZ
*R308 560K
*R310 680K
*R816 680K
*R930 120
10KHZ
VR408 20KW
250HZ
*TVR802 200K
*C406 0.068
*R315 330K
VR405 20KW
VR431 20KW
VR417 20KW
VR419 20KW
*R313 300K
*R923 180 ~IC412B 4558
*C921 0.0022
*TVR825 200K *C825 0.015
C916 0.1uF
40HZ
25HZ
*TVR804 200K
*C408 0.039
*C410 0.022
*C916 0.0056
*R830 120
8KHZ
200HZ
*R402 180
*C306 0.82
*C415 0.0082
8KHZ
*R827 180
VR413 20KW
*C413 0.015
*R922 180 ~IC412A 4558
VCC
*C821 0.033
~IC413A 4558 ~IC416B 4558
35HZ
*C308 0.56
*C310 0.33/16
*C816 0.082
*C931 0.0022
VB-
VR423 20KW
6.3KHZ
R550 68 1/2W
Q551 2SB772
160HZ
*R302 560K
~IC403B 4558
*C315 0.15/16
6.3KHZ
*C927 0.0033
*C313 0.22/16
*R921 180 ~IC411B 4558
*TVR824 200K
~IC416A 4558
C946 0.1uF
VR407 20KW
20HZ
~IC408B 4558
R9XX
*C930 0.0022
+C552
220uF/25V
125HZ
*C402 0.15
*R404 180
*TVR805 200K
5KHZ
*C827 0.0082
C8XX
*R412 180
*R920 180 ~IC411A 4558
*R924 180
~IC415B 4558
VR427 20KW VR412 20KW
500HZ
*TVR810 200K
~IC408A 4558
*R820 620K
VEE
VR418 20KW
25HZ
100HZ
*C302 2.2/16
*R304 620K
*R405 180
~IC404B 4558
4KHZ
*R926 150
*R312 560K ~IC410B 4558
*C820 0.033
*R824 180
~IC415A 4558
VR411 20KW
C918 0.1uF
D550 20V
400HZ
~IC405B 4558 ~IC407B 4558
C920 0.0022
VEE
20HZ
~IC401B 4558
*C404 0.082
*R305 620K
*TVR807 200K
3.15KHZ
R8XX *R826 150
*C831 0.0033
VR425 20KW
C8XX
*C412 0.015
~IC410A 4558
*R819 300K

INPUT & OUTPUT SCHEMATICS
Page 16
PHONIC CORPORATION MQ 3300/3400/3600 SERVICE MANUAL
V+
R114 330K
R103
1K
+C510
220MF/25V
HPF
Q115 2SK246 R150
51K
R129 10K
R154 100K
+
C111
47MF/16V
C182
4700PF
V-
R115 47K
+C130
2.2MF/50V
R137 10K
D502 1N4003
12
Q114
2SK246
+
C126 0.1MF
CH-1 12/6dB
D505
18V
+
C109
47MF/16V
V-
+
C113
0.022MF
+C117
47MF/16V
V+
R110 22K
+
C104 0.1MF
D501 1N4003
12
R121 51K
V-
+ -
IC104A 4558DY3
2
1
84
+C503
470MF/50V
R152 1M
R111 22K
D507
20V
+
C127 0.1MF
+C504
22MF/50V
R135
1M
Q118
2SA1015
D103 1N4148
12
R122
1M
R506 100
+C511
220MF/25V
R163 5.6K
+C502
470MF/50V
V-
+C124
0.022MF
LED101
RED
R116 47K
C181
4200PF
R511
2.2K 1/2W
R118 1M
V-
+
C122
47MF/16V
+
C105 0.082MF
+C120
0.022MF
+
C129
47MF/16V
R147 22K
+
C501 4700PF
D105 1N4148
12
C184 2200PF
R124 100K
R501 240
Q111 2SC1313
V- -
R148 47K
EQ B EQ A
V+
R128 100K
Q109 2SK246
+ -IC101B
4558DY
5 6
7
F1 T1A
12
VV+ R162 220
P1 POWER CORD
+ -
IC103A 4558DY
3 2
1
84
V+
R502 3.9K
Q117 2SA1015
D504 1N4003
12
+ -IC103B
4558DY
5 6
7
EQ
+
C505
22MF/50V
VR101 20KW LEVEL
+C133
47MF/16V
+C509
220MF/25V
Q119 2SC1313
R113 820K
+
C107
0.0082MF
R120 51K
R509 1.8K
Q112 2SA970
R507 68 1/2W
R138 10K
SW1 POWER
V+
R145
1M
+
C110
47MF/16V
Q105
2SA1015
Q120 2SA970
R132 240
R142 1.5K
+ -
IC102B 4558DY
5 6
7
R133 3K
R182
330
Q113
2SK246
R149 22K
+
C135
22PF
+
C136 47PF
R109 10K
EQ
V-
R153 100K
R508 1.8K
VCC
Q107 2SK246
F2
T 500MA
12
R107 22K
R181
330
POWER
R503 100
R105
1K
R161 5.6K
+
C116 0.022MF
V++
D104 1N4148
12
R510 68 1/2W
R101
1K
+
C118 560PF
J101 INPUT
1 2 3
+
C101 0.1MF
V-
D506
18V
V+
+C128
0.022MF
T1
TRANSFORMER
15 48
Q108 2SK246
+
C132 0.1MF
Q103
2SK246
R123 100K
J102
CH-2 OUTPUT
1 2 3
R160 11K
+ -
IC102A 4558DY
3 2
1
84
+ -
IC105A 4558DY
3 2
1
84
+C121
0.022MF
Q104
2SA1015
+
C108
47MF/16V
+
C131 0.1MF
R504 3.9K
+
C125
22MF/25V
R157 10K
R505 240
PEAK
R144 1.5K
+
C102 0.1MF
C185
2200PF
VLED
Q110
2SK246
IC502 LM337
32
1
VOVI
GND
R104 22K
R151
51K
R156 330
V+
D107 1N4148
12
IC502 LM317
32
1
VI VO
GND
+C507
100MF/35V
D106 1N4148
12
+
C106
0.0082MF
R106
2K
R139 10K
R143 1.5K
R141 1.5K
V-
R112 68K
Q121 2SK246
R146
1M
+
C115 0.022MF
R126 51K
VV-
+C134
2.2MF/50V
R134 100K
LED501
BLUE
C186 2200PF
D503 1N4003
12
V- V+
+C123
0.022MF
D102 1N4148
12
R164 3.9K
+C119
47MF/16V
Q102
2SK246
R125 10K
R183
10K
+
C508 220MF/25V
Q501
MJE3055
VV-
+ -
IC101A 4558DY
3 2
1
84
R117 24K
Q502 MJE2955
R155
10K
+C114
47MF/16V
R136
1M
Q101 2SK246
R158
330
R130 240
R131 3K
R140 10K
R159 100K
R127 100K
R119 1M
R102
22K R108
10K
Q106 2SA1015
Q116 2SK246
+C112
0.022MF
V+
+C103
0.1MF
+
C506 100MF/35V
MQ 3300 INPUT & OUTPUT SCHEMATICS

EQUALIZER SCHEMATIC
Page 17
PHONIC CORPORATION
MQ 3400 EQUALIZER SCHEMATIC
MQ 3300/3400/3600 SERVICE MANUAL
SW306 2-25W
546
123
*R303 1.1M
*C406 0.0039 *C408 0.0015 *R414 470
1KHZ
C451 0.1uF
250HZ
~IC310B 4558
*C711 0.0018
*R714 470
6.3KHZ
EQ
*R709 470
*R412 470
100HZ
C750 0.1uF
CH2 12/6dB
VR324 20KW
*C403 0.015
*C306 0.22 *C308 0.082 *R314 200K
630HZ
+ -
IC102A
4558
3 2
1
84
CH1 EQ A
160HZ
*R704 470
*C607 0.15
*R614 200K
4KHZ
EQ
VR307 20KW
*C602 1.5/16
*R609 953K
VR317 20KW VR302 20KW
*R312 191K
63HZ
C754 0.1uF
VR329 20KW
C3XX *C303 0.82
~IC303B 4558 ~IC304B 4558 ~IC307B 4558
16KHZ
VR309 20KW
100HZ
*R604 953K
*C714 470P
2.5KHZ
6dB
LED309
RED
LED308
RED
R3XX R7XX
~IC309A 4558 *C709 0.001
*C611 0.022
VR320 20KW
*C412 0.0012
40HZ
VR313 20KW
~IC302A 4558
*R405 470 *R407 470
~IC307A 4558
10KHZ
CH1 EQ B
*C414 470P
*C704 0.01
*C614 0.0056
1.6KHZ
12dB
~IC312A 4558
*R701 470 *C609 0.056
*R710 470
LED301
RED
*C312 0.015
25HZ
*C706 0.0039
CH2 EQ B
*R305 1.1M *R307 1M
~IC306B 4558
6.3KHZ
VR310 20KW
VLED
*C314 0.0056
*R713 470
1KHZ
16KHZ
*C708 0.0015
63HZ
*R601 1M
*R706 470
~IC312B 4558
*R610 1.1M
VR304 20KW
LED302
GRN
*C405 0.0056
~IC306A 4558
4KHZ
*R402 470
*R413 470
10KHZ
C452 0.1uF
40HZ
*C701 0.039
*C604 0.56
*C710 560P
SW303 2-25W
546
123
*R606 1M
*C305 0.33
~IC305B 4558
*R411 470
R7XX
*C707 0.0022
C753 0.1uF
400HZ
*R302 1M
*R313 200K
*R708 470
6.3KHZ
CH1
VR325 20KW
R4XX R6XX
CH1 EQCH2 EQ
25HZ
*C601 2.2/16
~IC310A 4558
*C610 0.033
*R613 200K
630HZ
C4XX C7XX
~IC311B 4558
~IC303A 4558
*R409 470
*R311 220K
R6XX
*C606 0.22
VR322 20KW
C755 0.1uF
CH2 EQ A
*C402 0.022
*C413 820P
2.5KHZ
4KHZ
CH2
C751 0.1uF
R4XX
400HZ
*R703 470
~IC316A 4558
*C713 820P
*R715 470
VEE
LED306
RED
*R309 953K
*C411 0.0018
16KHZ
C7XX
VR318 20KW
LED305
RED
VR316 20KW
*C302 1.5/16
1.6KHZ
2.5KHZ
CH2
V-
R3XX
250HZ 250HZ
*R603 1.1M
~IC315B 4558
*C613 0.0082
*R615 140K
VR301 20KW
VR305 20KW
*C407 0.0022
*C409 0.001
*C311 0.022
10KHZ
R7XX
V-
~IC301B 4558
*R404 470
1KHZ
CH1
LED307
GRN
*R607 1M
C4XX
160HZ 160HZ
*C703 0.015
*R608 1.1M
~IC315A 4558
*R712 470
*C715 470P
CH1 12/6dB
V+
C450 0.1uF
*C307 0.15
*C309 0.056
*R410 470
R6XX
VR319 20KW
*R707 470
LED304
RED
VR326 20KW
*R401 470
*R304 953K
630HZ
12dB
R4XX
100HZ 100HZ
*C603 0.82
~IC311A 4558
~IC314B 4558 *R612 191K
*C615 0.0033
1.6KHZ
SW302 2-25W
546
123
VR327 20KW
C453 0.1uF
~IC304A 4558 ~IC305A 4558
*R310 1.1M
C7XX
SW304 2-25W
546
123
*R301 1M
*C404 0.01
*R415 470
6.3KHZ
*C608 0.082
6dB
R3XX
63HZ
~IC309B 4558
*R705 470
~IC314A 4558
*C712 0.0012
1KHZ
VR311 20KW
C752 0.1uF
VR323 20KW
*C410 560P
C6XX
25HZ
SW301 2-25W
546
123
*C401 0.039
*C304 0.56
*R315 140K
4KHZ
HPF
C3XX C6XX
VR321 20KW
C4XX
40HZ
*R702 470
*R605 1.1M
*C612 0.015
630HZ
CH1 HPF
VR315 20KW
63HZ
CH2 HPF
*C310 0.033
C6XX
400HZ
VR308 20KW
VR303 20KW
SW305 2-25W
546
123
*C301 2.2/16
~IC302B 4558
*R406 470 *R408 470
*C415 470P
2.5KHZ
VR330 20KW
VR306 20KW
C3XX
25HZ
*R602 1M
*C705 0.0056
*R711 470
16KHZ
40HZ
~IC313B 4558
VCC
~IC308B 4558
250HZ
*R403 470
*R306 1M *R308 1.1M
*C315 0.0033
1.6KHZ
VR314 20KW
V+
VR328 20KW
400HZ
*C702 0.022
*C605 0.33
*R611 220K
10KHZ
HPF
~IC313A 4558
VR312 20KW
~IC308A 4558
*C313 0.0082
160HZ

Page 18
PHONIC CORPORATION
MQ 3400CH 1 INPUT & OUTPUT SCHEMATICS
MQ 3300/3400/3600 SERVICE MANUAL
+ -
IC104A 4558DY3
2
1
84
R134 100K
R181
330
R503 100
R132 820
R161 5.6K
Q501
MJE3055
D503 1N4003
12
+
C110
47MF/16V
R120 51K
C182
4700PF
R130 820
R162 220
Q117 2SA1015
R152 1M
R138 10K
R153 100K
R128 100K
+
C131 0.1MF
Q121 2SK246
R124 100K
+
C127 0.1MF
V++
Q118
2SA1015
D509
18V + -
IC105A 4558DY
3 2
1
84
R510 68 1/2W
V+
T1
TRANSFORMER
15 48
R115 47K
D103 1N4148
12
+C502
470MF/50V
Q111 2SC2240
R121 51K
+
C108
47MF/16V
V-
Q105
2SA1015
R116 47K
Q108 2SK246
CH-1 12/6dB
C186
2200PF
+
C506 100MF/35V
R154 100K
R139 10K
V-
+
C508 220MF/25V
+ -
IC102A 4558DY
3 2
1
84
D507
20V
+ -IC103B
4558DY
5 6
7
Q112 2SA970
+
C136 47PF
+C130
2.2MF/50V
+C121
0.022MF
Q101 2SK246
R131 3K
+
C135
22PF
R104 22K
D104 1N4148
12
V-
+C103
0.1MF
+
C102 0.1MF
VCC
D505
18V
Q502 MJE2955
+C114
47MF/16V
R504 3.9K
V- -
R150 51K
PEAK
R107 22K
V+
+
C505
22MF/50V
+C123
0.022MF
R112 68K
CH-1/2 EQ
R148
47K
SW1A POWER
R142 47K
VV+
Q104
2SA1015R105
8.2K
+ -IC101B
4558DY
5 6
7
R141 1.5K
Q113
2SK246
Jk102
CH-2 OUTPUT
1 2 3
CH-2 CKT
R506 100
Q106
2SA1015
D102 1N4148
12
+ -
IC103A 4558DY
3 2
1
84
R158
330
R157 10K
+
C113
0.022MF
D107 1N4148
12
+
C107
0.0082MF
R502 3.9K
R122
1M
R151
51K
+
C122
47MF/16V
R164 3.9K
+
C106
0.0082MF
V-
R144 47K
R133 3K
R126 51K
Q110
2SK246
F1 T1A
12
R114 330K
V+
+
C109
47MF/16V
R149 22K
+C510
220MF/25V
Q103
2SK246
+C128
0.022MF
R110 22K
R508 1.8K
+
C132 0.1MF
CH-1 EQ
V+
Q120 2SA970
R101
1K
POWER
R146
1M
+
C133 47MF/16V
V-
R109 22K
R505 240
+C117
47MF/16V
R137 10K
V+
R108 22K
C185
2200PF
+ -
IC102B 4558DY
5 6
7
+C120
0.022MF
V-
+C119
47MF/16V
+
C118 560PF
LED501
BLUE
VV-
D502 1N4003
12
R119 1M
C184
2200PF
+C112
0.022MF
VLED
Q114
2SK246
V+
R135
1M
R143 1.5K
+C503
470MF/50V
R113 820K
F2
T 315MA
12
R103
1K
+C116
0.022MF
+
C115 0.022MF
R102
22K
Q116 2SK246
P1 POWER CORD
C181
4700PF
SW1B POWER
R163 5.6K
R117 24K
CH-1 EQ B
V+
R509 1.8K
CH-1 EQ A
R501
240
+C504
22MF/50V
+
C111
47MF/16V
+C509
220MF/25V
+
C129
47MF/16V
VR101 20KW LEVEL
VV-
IC502 LM317
32
1
VI VO
GND
R140 10K
R123 100K
R159 100K
PEAK
R129 10K
JK101 CH-1 INPUT 1
2 3
D106 1N4148
12
D504 1N4003
12
R145
1M
+
C105 0.082MF
Q107 2SK246
R136
1M
+C511
220MF/25V
R125 10K
+
C125
22MF/25V
R127 100K
R147 22K
+C124
0.022MF
R507 68 1/2W
Q115 2SK246 R183
10K
+ -
IC101A 4558DY
3 2
1
84
R118 1M
R182
330
V-
+
C104 0.1MF
V+
+
C126 0.1MF
+
C101 0.1MF
Q102
2SK246
LED101
RED
D105 1N4148
12
C187
0.1UF
IC502 LM337
32
1
VOVI
GND
Q119 2SC2240
+
C134 2.2MF/50V
+
C501 4700PF
V-
+C507
100MF/35V
CH-1 HPF
R156 330
R106
2KV-
R511
2.2K 1/2W
R160 11K
Q109 2SK246
V+
R155
10K
R111 22K
D501 1N4003
12
CH 1 INPUT & OUTPUT SCHEMATICS

PHONIC CORPORATION Page 4Page 19
CH 2 INPUT & OUTPUT SCHEMATICS
MQ 3300/3400/3600 SERVICE MANUAL
+
C222
47MF/16V
R240 10K
D202 1N4148
12
V-
R249 22K
R207 22K V+
Q213 2SK246
+ -IC203B
4558DY
5 6
7
+
C115 0.022MF
R218 1M
R262 220
R241 1.5K
+
C227 0.1MFV-
C282
4700PF
D206 1N4148
12
VV-
Q216 2SK246
+
C202 0.1MF
V-
+
C232 0.1MF
R258
330E
R253 100K
R232 820
+ -
IC202A 4558DY
3 2
1
84
R217 24K
R247 22K+
C220
0.022MF
+C219
47MF/16V
R203
1K
R219 1M
R209 22K
C281
4700PF
R257 10K
R256 330E
R243 1.5K
+
C210
47MF/16V
Jk202
CH-2 OUTPUT
1 2 3
+C212
0.022MF
V+
Q205
2SA1015
V+
+
C229
47MF/16V
Q221 2SK246
R212 68K
D203 1N4148
12
+C228
0.022MF
+ -
IC203A 4558DY
3 2
1
84
R204 22K
D507
20V
V+
R263 5.6K
+C217
47MF/16V
R201
1K
CH-2 EQ A
Q207 2SK246
R282
330E
R225 10K
D204 1N4148
12
R281 330E
+
C209
47MF/16V
+C230
2.2MF/50V
R246
1M
+ -IC201B
4558DY
5 6
7
R245
1M
R233 3K Q110
2SK246
V+
+ -
IC204A 4558DY3
2
1
84
R223 100K R224 100K
R108 22K
R230 820
Q209 2SK246
CH-2 HPF
V+
R226 51K
R231 3K
+
C225
22MF/25V
R221 51K
R239 10K
V-
R248
47K
R252 1M
+ -
IC201A 4558DY
3 2
1
84
PEAK
CH-2 12/6dB
R206
2K
R213 820K
R202
22K
+
C221 0.022MF
Q203
2SK246
CH-2 EQ B
VR201 20KW LEVEL
+
C218 560PF
+
C235
22PF
R235
1M
R229 10K
R216 47K
Q206
2SA1015
+
C236 47PF
+ -
IC205A 4558DY
3 2
1
84
+
C216 0.022MF
V- Q220 2SA726
C285 2200PF
R261 5.6K
Q208 2SK246
+ -
IC202B 4558DY
5 6
7
R211 22K
+
C226 0.1MF
R251
51K
PEAK
VV+
Q211 2SC1313
R264 22K
Q212 2SA726
R222
1M
+
C234 2.2MF/50V
Q202
2SK246
CH-2 EQ
D205 1N4148
12
LED201
RED
V-
Q218
2SA1015
R205
1K
R259 100K
+
C201 0.1MF
+
C211
47MF/16V
R283
10K
D207 1N4148
12
R255
10K
Q219 2SC1313
+C233
47MF/16V
V+
+
C213
0.022MF
R238 10K
Q214
2SK246
+
C231 0.1MF
+
C205 0.082MF
+
C204 0.1MF
R214 330K
Q201 2SK246
V+
C286
2200PF
R242 1.5K
+
C223 0.022MF
+
C208
47MF/16V
V-
R237 10K
R260 11K
R227 100K
C284
2200PF
JK201 CH-1 INPUT 1
2 3
R236
1M
+
C224 0.022MF
Q215 2SK246
Q217 2SA1015
+C214
47MF/16V
+
C207
0.0082MF
R220 51K
R254 100K
+C203
0.1MF
+
C206
0.0082MF
R250 51K
R210 22K
Q204
2SA1015
R228 100K
V-
R215 47K
R244 1.5KR234
100K
MQ 3400 CH 2 INPUT & OUTPUT SCHEMATICS

VR429 20KW
R8XX
20KHZ
C8XX
*C905 0.082
*C909 0.039
VEE
VR421 20KW
*R824 180
~IC415A 4558
*R826 150
*C831 0.0033
C942 0.1uF
20HZ 500HZ
*C812 0.22/16
*R815 330K
*C916 0.0056
*TVR819 200K
C920 0.0022
C8XX
C9XX
16KHZ
R9XX
*C805 1.5/16
*C809 0.56
~IC411B 4558
*C924 0.0047
~IC414B 4558
*C926 0.0033
*C830 0.0033
VEE
R550 68 1/2W
C938 0.1uF
~IC402A 4558
VR422 20KW
500HZ
400HZ
*R911 180
*C815 0.0082
8KHZ
*C816 0.082
*TVR818 200K
*C820 0.033
VR415 20KW
VB-
+C553
220uF/25V
C8XX
12.5KHZ
VR406 20KW
+C550
10uF/50V
~IC403A 4558
*C907 0.068
~IC405A 4558
~IC406B 4558
VCC
~IC411A 4558
~IC414A 4558 *C826 0.0082
*R929 180
EQ B
*TVR802 200K
400HZ
320HZ
*R811 390K
*C815 0.15/16
6.3KHZ
R9XX
*TVR817 200K
*R819 300K
R8XX
VR419 20KW
+C551
10uF/50V
VR425 20KW
VR418 20KW
*TVR804 200K
*C807 0.82
*TVR808 200K
~IC406A 4558
~IC410B 4558
~IC413B 4558 *R925 180
*C929 0.0022
*R902 180
320HZ
250HZ
*R914 180
5KHZ
*R923 180
*C824 0.015
R552 68 1/2W
C8XX
VCC
~IC404A 4558
*R908 180
*TVR815 200K
VR402 20KW
*TVR831 200K
*R825 180
*C829 0.0056
1KHZ 10KHZ
VEE
*R802 560K
VR428 20KW
200HZ
*R814 620K
4KHZ
*R922 180
*R823 180
*C911 0.022
R8XX
VR424 20KW
50HZ
*TVR806 200K
*R808 560K
*TVR814 200K
VR417 20KW
*TVR830 200K
*C925 0.0047
*R928 180
800HZ 8KHZ
+C552
220uF/25V
*C902 0.15
*R904 180
160HZ
*C914 0.0082
3.15KHZ
*R921 180
*C923 0.0068
250HZ
*C811 0.33/16
C9XX
40HZ
*R906 180
*C908 0.039
*TVR813 200K
VR423 20KW
*C919 0.0039
*R828 180
630HZ 6.3KHZ
VEE
*C802 2.2/16
*R804 620K
VR430 20KW
VR411 20KW
125HZ
*C814 0.15/16
2.5KHZ
*R920 180
*C823 0.022
VB+
VR403 20KW
200HZ
C8XX
R553 1K8
35HZ
*R806 330K
*C808 0.56
*TVR812 200K *C819 0.056
*C928 0.0022
*R831 180
5KHZ
*C904 0.082
VR413 20KW
100HZ
2KHZ
*R822 180
*TVR829 200K
*C825 0.015
VR409 20KW
160HZ
R9XX
VR412 20KW
VR416 20KW
*TVR811 200K
*R910 180
*R818 560K
*C828 0.0056
*R831 180
4KHZ
*C804 1.5/16
VR407 20KW
~IC401B 4558
1.6KHZ
*C926 0.0068
*TVR828 200K
~IC416B 4558
VR401 20KW
125HZ
*R913 180
R8XX
*R919 180
VR405 20KW
VR427 20KW
*TVR810 200K R810 680K
D550 20V
25HZ
*C918 0.0039
*R927 180
*R829 180
3.15KHZ
~IC402B 4558
*C906 0.068
~IC404B 4558
*TVR801 200K
1.25KHZ
*C822 0.022
*TVR827 200K
VCC
Q551 2SB772
C944 0.1uF
100HZ
80HZ
*R813 300K
C9XX
*R918 180
Q550
2SD882
~IC405B 4558
*C910 0.022
20HZ
*C818 0.056
*R930 120
2.5KHZ
*TVR803 200K
*C806 0.82
*TVR807 200K
C916 0.1uF
*R901 220
1KHZ
*TVR823 200K
*R821 390K
*TVR826 200K
VR426 20KW
VCC
80HZ
63HZ
*C913 0.015
20KHZ
*R917 180
TVR815
C946 0.1uF
VR420 20KW
*TVR809 200K
*C810 0.33/16
R9XX
*R817 390K
*R830 120
2KHZ
*R903 180
~IC403B 4558
*R907 180
*C917 0.0056
VR410 20KW
*R801 270K
*C921 0.0022
*TVR825 200K
*R827 180
63HZ
50HZ
*C813 0.22/16
16KHZ
*R916 180
~IC409B 4558
+ -
IC102A
4558
3 2
1
84
~IC408B 4558
C940 0.1uF
R8XX
*C931 0.0022
1.6KHZ
*R803 240K
*TVR805 200K
*R807 270K
*C817 0.082
VR414 20KW
*C821 0.033
~IC413A 4558
*C927 0.0033
VR431 20KW
D551 20V
40HZ
*R912 180
800HZ
12.5KHZ
~IC409A 4558
*TVR822 200K
+C554
220uF/50V
~IC408A 4558
C9XX
*C930 0.0022
1.25KHZ
*C903 0.15
*R905 180
*R909 180
~IC412B 4558
*TVR824 200K
~IC416A 4558
*C827 0.0082
C9XX
C918 0.1uF
35HZ
*C901 0.22
*R812 560K
630HZ
10KHZ
*TVR816 200K *TVR821 200K
VR404 20KW
EQ A
~IC407B 4558
~IC410A 4558
R9XX
*C803 2.2/16
*R805 620K
*R809 300K
~IC412A 4558
VR408 20KW
*R924 180
~IC415B 4558
*R926 150
R551 1K8
25HZ *C801 3.3/16
*C912 0.015
*R915 180
*R816 680K
*TVR820 200K *R820 620K
~IC407A 4558
EQUALIZER SCHEMATIC
MQ 3600 EQUALIZER SCHEMATIC
PHONIC CORPORATION Page 4Page 20
MQ 3300/3400/3600 SERVICE MANUAL