Pioneer GM-X822 X1R/UC User manual

ORDER NO.
CRT2187
Se r v i c e
M a nu a l
BRIDGEABLE POWER AMPLIFIER
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE, PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998 K-ZEB. FEB. 1998 Printed in Japan
GM-X822 X1R/UC
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................3
3. SCHEMATIC DIAGRAM .............................................8
4. PCB CONNECTION DIAGRAM ................................12
5. ELECTRICAL PARTS LIST ........................................15
6. ADJUSTMENT..........................................................19
7. GENERAL INFORMATION .......................................20
7.1 IC .........................................................................20
7.2 DISASSEMBLY ...................................................21
7.3 BLOCK DIAGRAM ..............................................22
8. OPERATIONS AND SPECIFICATIONS.....................23
GM-X722 X1R/UC,ES,EW

2
GM-X822,X722
1. SAFETY INFORMATION
UC model
CAUTION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so
and refer the repair to a qualified service technician.
WARNING
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-
cant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin
contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

3
GM-X822,X722
24
3
1
10
7
9
8
5
6
8
11
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
Fig. 1

4
GM-X822,X722
-PACKING SECTION PARTS LIST
Part No.
GM-X822 GM-X722
Mark No. Description X1R/UC X1R/UC X1R/ES X1R/EW
* 1 Screw Assy HEA0044 HEA0044 HEA0044 HEA0044
2 Screw(x4) BYC40P180FZK BYC40P180FZK BYC40P180FZK BYC40P180FZK
3 Polyethylene Bag HEG0011 HEG0011 HEG0011 HEG0011
4 Wrench HLP0001 HLP0001 HLP0001 HLP0001
5 Polyethylene Bag HEG0013 HEG0013 HEG0013 HEG0013
6 Carton HHG0164 HHG0165 HHG0166 HHG0167
7 Contain Box HHL0164 HHL0165 HHL0166 HHL0167
8 Protector(x2) HHP0025 HHP0025 HHP0025 HHP0025
9-1 Owner’s Manual HRD0060 HRD0061 HRD0062 HRD0063
9-2 Owner’s Manual Not used Not used HRD0069 Not used
10 Warranty Card *HRY1070 Not used Not used HRY1087
11 Card Not used ARY1048 Not used Not used
NOTE:
-Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List.
-Screws adjacent to ∇mark on the product are used for disassembly.
-Owner's Manual
Model Part No. Language
GM-X822/X1R/UC HRD0060 English, French
GM-X722/X1R/UC HRD0061 English, French
GM-X722/X1R/ES HRD0062 English, Spanish
HRD0069 Arabic, Portuguese(B)
GM-X722/X1R/EW HRD0063 English, French, German, Dutch, Spanish, Italian

5
GM-X822,X722
2.2 EXTERIOR
Fig. 2

6
GM-X822,X722
1 Screw BMZ30P250FZK
2 Screw(M3x12) CBA1323
3 Screw(M3x14) CBA1382
4 Sheet CNM5854
5 Screw HBA0006
6 Screw HBA0011
7 Screw HBA0012
8 Washer HBF0005
9 Case HNB0037
10 Heat Sink HNR0078
11 Window HNS0053
12 Lighting Conductor HNV0013
13 Amp Unit See Contrast table(2)
14 Screw BMS30P060FZK
15 Screw BMS30P080FMC
16 Clamper CEF1009
17 Terminal(CN904) CKF1059
18 Plug(CN551) CKS1037
19 Plug(CN501) CKS1039
20 Connector(CN503) CKS3799
21 Connector(CN552) CKS3800
22 Cord(CN153) HDE5500
23 Cord(CN253) HDE5500
24 Cord(CN502) HDE5501
25 Cord(CN553) HDE5502
26 Holder HNC0029
27 Buss Bar HNC0043
28 Buss Bar HNC0045
29 Buss Bar HNC0051
30 Buss Bar HNC0053
31 Clip HNC0054
32 Separator HNM0047
33 Spacer See Contrast table(2)
34 Heat Sink HNR0081
35 Heat Sink HNR0082
36 Clamper HNV0015
37 Spacer HNV3975
38 Screw BMZ30P250FZK
39 Fan Motor CXM1102
40 Fuse(20A) HEK0020
41 Pin Jack(CN801) HKB0002
42 Pin Jack(CN851) HKB0002
43 Terminal(CN101) HKE0010
44 Fuse Holder(CN902) HKE0012
45 Terminal(CN901) HKE0014
46 Holder HNC0027
47 Holder HNC0028
48 Spacer HNV0010
49 Screw PPZ30P060FZK
50 Film See Contrast table(2)
51 Film See Contrast table(2)
52 Plate Unit See Contrast table(2)
53 Light Pipe Unit HXA0201
54 Plate Unit See Contrast table(2)
55 Sheet Unit See Contrast table(2)
56 Panel Unit See Contrast table(2)
57 Plate HNS0066
58 Panel Unit See Contrast table(2)
59 Screw SMZ30H080FCR
60 LED(D902,903) See Contrast table(2))
61 Transistor(Q113,114,213,214) 2SC5099
62 Transistor(Q115,116,215,216) 2SA1907
63 Thermistor(TH651,652) CCX1013
64 FET(Q963-966) IRFIZ44N
65 Transistor(Q107,207) 2SC1568
66 Diode(D961) FML22S
67 Diode(D962) FML22R
68 Thermistor(TH901) CCX1027
69 Screw BSZ30P050FZK
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

7
GM-X822,X722
(2) CONTRAST TABLE
GM-X822/X1R/UC, GM-X722/X1R/UC, GM-X722/X1R/ES and GM-X722/X1R/EW are constructed the same except for the
following:
Part No.
GM-X822 GM-X722
Mark No. Symbol and Description X1R/UC X1R/UC X1R/ES X1R/EW
13 Amp Unit HWH0075 HWH0076 HWH0074 HWH0073
33 Spacer HNM0053(x2) HNM0053(x2) HNM0053(x1) HNM0053(x2)
50 Film CNM5856 Not used Not used Not used
51 Film CNM5855 Not used Not used Not used
52 Plate Unit HXA0115 HXA0111 HXA0111 HXA0111
54 Plate Unit HXA0206 HXA0203 HXA0203 HXA0203
55 Sheet Unit HXA0266 HXA0126 HXA0118 HXA0118
56 Panel Unit HXA0270 HXA0271 HXA0271 HXA0271
58 Panel Unit HXA0273 HXA0272 HXA0272 HXA0272
60 LED(D902,903) NSPWF50S(AQ) NSPWF50S(VQ) NSPWF50S(VQ) NSPWF50S(VQ)

GM-X822,X722
A
1234
B
C
D
1234
A
B C
AMP PCB
AUDIO PCB
BASS
PCB
AMP UNIT
AMP PCB
AUDIO PCB
BASS PCB
Consists of
-10dBs -7.6dBs
-10.2dBs
30V
-30V
-35-30V
-35V
15.5V
-15.5V
3. SCHEMATIC DIAGRAM
3.1 AMP UNIT
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS
LIST".
8
A

9
GM-X822,X722
5678
A
B
C
D
5678
Fig. 3
A
B
-14.3dBs
21.3dBs
14.4V
14.4V
0.2V
14.3V
10.7V
0.2V
0V
5.0V
0V
0.3V
3.2V
0.1V
6.3V
3.5V
3.8V
1.9V
0.2V
2.6V
5.0V
5.0V
2.4V
2.4V

10
GM-X822,X722
A
1234
B
C
D
1234
3.2 AUDIO PCB AND BASS PCB
BC
AUDIO PCB BASS PCB
AA
CN551
CN501
Fig. 4
B
C

11
GM-X822,X722

GM-X822,X722
A
1234
B
C
D
1234
12
A
INPUT
PREOUT
CN502
FAN MO
4. PCB CONNECTION DIAGRAM
4.1 AMP UNIT
Capacitor
Connector
P.C.Board Chip Part
SIDE A
SIDE B
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic dia-
gram.
2. Viewpoint of PCB diagrams
A
AMP PCB
B

13
GM-X822,X722
5678
5678
A
A
B
C
D
CN553
AN MOTOR
Fig. 5
C

14
GM-X822,X722
A
1234
B
C
D
1234
CN501 CN552
CN551
CN503
Fig. 6
Fig. 7
B
C
B
AUDIO PCB
C
BASS PCB
B
A
A
C

15
GM-X822,X722
AMP UNIT
Consists of
AMP PCB
AUDIO PCB
BASS PCB
Unit Number : HWH0075 (GM-X822/X1R/UC)
: HWH0076 (GM-X722/X1R/UC)
: HWH0074 (GM-X722/X1R/ES)
: HWH0073 (GM-X722/X1R/EW)
Unit Name : Amp Unit
MISCELLANEOUS
IC 501 IC NJM2068S
IC 502 IC NJM2068S
IC 503 IC NJM2068S
IC 504 IC NJM2068S
IC 551 IC NJM2068S
IC 552 IC NJM2068S
IC 651 IC PA2027A
IC 801 IC NJM2068S
IC 851 IC NJM2068S
IC 852 IC NJM2068S
IC 951 IC UPC494C
Q 101 Transistor 2SK389
Q 102 Transistor 2SA992
Q 103 Transistor 2SA992
Q 104 Transistor 2SC1845
Q 105 Transistor 2SA992
Q 106 Transistor 2SC1845
Q 107 Transistor 2SC1568
Q 111 Transistor 2SC3421
Q 112 Transistor 2SA1358
Q 113 Transistor 2SC5099
Q 114 Transistor 2SC5099
Q 115 Transistor 2SA1907
Q 116 Transistor 2SA1907
Q 201 Transistor 2SK389
Q 202 Transistor 2SA992
Q 203 Transistor 2SA992
Q 204 Transistor 2SC1845
Q 205 Transistor 2SA992
Q 206 Transistor 2SC1845
Q 207 Transistor 2SC1568
Q 211 Transistor 2SC3421
Q 212 Transistor 2SA1358
Q 213 Transistor 2SC5099
Q 214 Transistor 2SC5099
Q 215 Transistor 2SA1907
Q 216 Transistor 2SA1907
Q 601 Transistor 2SD1768S
Q 602 Transistor 2SD1768S
Q 611 Transistor 2SC2458
Q 612 Transistor 2SC2458
Q 613 Transistor DTA124ES
Q 651 Transistor 2SA1048
Q 652 Transistor 2SC2458
Q 653 Transistor 2SC2458
Q 654 Transistor 2SC2458
Q 655 Transistor 2SA1048
Q 656 Transistor 2SC2458
Q 657 Transistor 2SA1048
Q 658 Transistor 2SB1243
Q 951 Transistor 2SA1048
Q 952 Transistor 2SC2458
Q 953 Transistor 2SC2458
Q 954 Transistor 2SA1048
Q 955 Transistor 2SA1048
Q 956 Transistor DTA124ES
Q 957 Transistor 2SC2458
Q 958 Transistor 2SD1864
Q 959 Transistor 2SD1919
Q 960 Transistor 2SD1919
Q 961 Transistor 2SB1277
Q 962 Transistor 2SB1277
Q 963 FET IRFIZ44N
Q 964 FET IRFIZ44N
Q 965 FET IRFIZ44N
Q 966 FET IRFIZ44N
Q 969 Transistor 2SB1566
Q 970 Transistor 2SD2395
D 101 Diode HZS6L(B1)
D 102 Diode 1SS133
D 103 Diode 1SS133
D 201 Diode HZS6L(B1)
D 202 Diode 1SS133
D 203 Diode 1SS133
D 601 Diode 1SS133
D 602 Diode 1SS133
D 651 Diode 1SS133
D 652 Diode HZS7L(B2)
D 654 Diode 1SS133
D 658 Diode 1SS133
D 659 Diode 1SS133
D 901 Diode RM4Z-LFK5
D 902 LED See Conttast table(2)
D 903 LED See Conttast table(2)
D 954 Diode HZS12L(A3)
D 955 Diode 1SS133
D 956 Diode 1SS133
D 957 Diode HZS16L(1)
D 958 Diode HZS16L(1)
D 959 Diode ERA92-02VH
D 960 Diode ERA92-02VH
D 961 Diode FML22S
D 962 Diode FML22R
D 963 Diode 1SS133
L 851 Ferri-Inductor CTF1007
5. ELECTRICAL PARTS LIST
NOTE:
-Parts whose parts numbers are omitted are subject to being not supplied.
-The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name Part No.
--- ------ --------------------------------------------- ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ --------------------------------------------- -------------------------
A
B
C

L 852 Ferri-Inductor CTF1007
L 901 Choke Coil 50mH CTH1144
L 951 Choke Coil 200mH CTH1211
L 952 Choke Coil 200mH CTH1211
T 951 Transformer CTT1081
TH 651 Thermistor CCX1013
TH 652 Thermistor CCX1013
TH 653 Thermistor CCX1035
TH 901 Thermistor CCX1027
S 501 Switch CSH1029
VR 101 Semi-fixed 1.5kΩ(B) CCP1314
VR 201 Semi-fixed 1.5kΩ(B) CCP1314
VR 501 Variable Resistor 20kΩ(E) CCS1266
VR 503 Variable Resistor 10kΩ(A) CCS1265
VR 551 Variable Resistor 10kΩ(C) CCS1268
VR 552 Variable Resistor 50kΩ(C) See Conttast table(2)
VR 951 Semi-fixed 100kΩ(B) CCP1325
EF 951 Capacitor CCG-081
EF 952 Capacitor CCG-081
RESISTORS
R 101 RD1/4PU223J
R 102 RD1/4PU101J
R 103 RD1/4PU471J
R 106 RD1/4PU472J
R 107 RD1/4PU222J
R 108 RD1/4PU101J
R 111 RD1/4PU561J
R 112 RD1/4PU333J
R 113 RD1/4PU273J
R 114 RD1/4PU432J
R 115 RD1/4PU390J
R 116 RD1/4PU512J
R 117 RD1/4PU222J
R 118 RD1/4PU221J
R 121 RD1/4PU470J
R 122 RD1/4PU470J
R 123 RD1/4PU221J
R 124 RD1/2PM100J
R 125 RD1/2PM100J
R 126 RD1/2PM100J
R 127 RD1/2PM100J
R 128 0.22ΩCCN1071
R 129 0.22ΩCCN1071
R 134 RD1/2PM100J
R 201 RD1/4PU223J
R 202 RD1/4PU101J
R 203 RD1/4PU471J
R 206 RD1/4PU472J
R 207 RD1/4PU222J
R 208 RD1/4PU101J
R 211 RD1/4PU561J
R 212 RD1/4PU333J
R 213 RD1/4PU273J
R 214 RD1/4PU432J
R 215 RD1/4PU390J
R 216 RD1/4PU512J
R 217 RD1/4PU222J
R 218 RD1/4PU221J
R 221 RD1/4PU470J
R 222 RD1/4PU470J
R 223 RD1/4PU221J
R 224 RD1/2PM100J
R 225 RD1/2PM100J
R 226 RD1/2PM100J
R 227 RD1/2PM100J
R 228 0.22ΩCCN1071
R 229 0.22ΩCCN1071
R 234 RD1/2PM100J
R 501 RD1/4PU103J
R 502 RD1/4PU103J
R 503 RD1/4PU103J
R 504 RD1/4PU103J
R 505 RD1/4PU103J
R 506 RD1/4PU103J
R 507 RD1/4PU472J
R 508 RD1/4PU472J
R 509 RD1/4PU103J
R 510 RD1/4PU103J
R 511 RD1/4PU103J
R 512 RD1/4PU103J
R 513 RD1/4PU123J
R 514 RD1/4PU123J
R 515 RD1/4PU562J
R 516 RD1/4PU562J
R 517 RD1/4PU123J
R 518 RD1/4PU123J
R 519 RD1/4PU222J
R 520 RD1/4PU222J
R 521 RD1/4PU121J
R 522 RD1/4PU121J
R 551 RD1/4PU331J
R 552 RD1/4PU331J
R 553 See Conttast table(2)
R 554 See Conttast table(2)
R 555 RD1/4PU182J
R 556 RD1/4PU182J
R 557 RD1/4PU221J
R 558 RD1/4PU221J
R 565 See Conttast table(2)
R 566 See Conttast table(2)
R 601 RD1/4PU124J
R 602 RD1/4PU124J
R 603 RD1/4PU124J
R 604 RD1/4PU124J
R 605 RD1/4PU473J
R 606 RD1/4PU473J
R 607 RD1/4PU473J
R 608 RD1/4PU473J
R 611 RD1/4PU103J
R 612 RD1/4PU103J
R 651 RD1/4PU104J
R 652 RD1/4PU822J
R 653 RD1/4PU472J
R 654 RD1/4PU222J
R 655 RD1/4PU472J
R 656 RD1/4PU472J
R 657 RD1/4PU221J
R 658 RD1/4PU102J
R 659 RD1/4PU473J
R 660 RD1/4PU103J
R 661 RD1/4PU103J
R 662 RD1/4PU222J
R 663 RD1/4PU472J
R 664 RD1/4PU272J
R 665 RD1/4PU272J
R 666 RD1/4PU103J
R 667 RD1/4PU472J
R 668 RD1/4PU473J
R 669 RD1/4PU221J
R 670 RD1/4PU152J
16
GM-X822,X722
=====Circuit Symbol and No.===Part Name Part No.
--- ------ --------------------------------------------- ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ --------------------------------------------- -------------------------

17
GM-X822,X722
R 671 RD1/4PU472J
R 672 RD1/4PU101J
R 673 RD1/4PU272J
R 674 RD1/4PU272J
R 675 RD1/4PU272J
R 676 RD1/4PU223J
R 677 RD1/4PU223J
R 678 RD1/4PU223J
R 801 RD1/4PU223J
R 802 RD1/4PU223J
R 803 RD1/4PU821J
R 804 RD1/4PU821J
R 807 RD1/4PU223J
R 808 RD1/4PU223J
R 810 RD1/4PU223J
R 851 RD1/4PU471J
R 852 RD1/4PU471J
R 853 RD1/4PU223J
R 854 RD1/4PU223J
R 855 RD1/4PU222J
R 856 RD1/4PU222J
R 857 RD1/4PU392J
R 858 RD1/4PU392J
R 859 RN1/4PC1002D
R 860 RN1/4PC1002D
R 861 RN1/4PC1002D
R 862 RN1/4PC1002D
R 863 RN1/4PC7501D
R 864 RN1/4PC7501D
R 865 RN1/4PC7501D
R 866 RN1/4PC7501D
R 902 RD1/4PU391J
R 951 RD1/4PU103J
R 952 RD1/4PU223J
R 953 RD1/4PU392J
R 954 RD1/4PU183J
R 956 RD1/4PU153J
R 957 RD1/4PU102J
R 958 RD1/4PU512J
R 959 RD1/4PU472J
R 960 RD1/4PU101J
R 963 RD1/4PU472J
R 964 RD1/4PU153J
R 965 RD1/4PU182J
R 966 RD1/4PU223J
R 967 RD1/4PU182J
R 968 RD1/4PU123J
R 969 RD1/4PU472J
R 970 RD1/4PU472J
R 971 RD1/4PU363J
R 972 RD1/4PU124J
R 973 RD1/4PU124J
R 976 RD1/4PU332J
R 977 RD1/4PU221J
R 978 RD1/4PU332J
R 979 RD1/4PU332J
R 980 RD1/4PU472J
R 981 RD1/4PU472J
R 982 RD1/4PU470J
R 983 RD1/4PU470J
R 984 RD1/4PU470J
R 985 RD1/4PU470J
R 988 RS1/2PMF220J
R 989 RS1/2PMF220J
R 992 RD1/4PU472J
R 993 RD1/4PU472J
R 994 RD1/4PU681J
R 995 RD1/4PU681J
R 996 RS1/2PMF220J
R 997 RD1/4PU681J
R 998 RD1/4PU681J
CAPACITORS
C 101 CEAS100M16
C 102 CQPA221G2A
C 103 CQPA102G2A
C 104 CFTLA104J50
C 105 CEAS101M16
C 106 CMA150J2H
C 107 CFTLA104J50
C 108 CMA330J2H
C 109 CFTLA104J50
C 111 CMA101J2H
C 112 CMA101J2H
C 113 CFTLA333J50
C 114 CQPA102G2A
C 115 CQPA471G2A
C 201 CEAS100M16
C 202 CQPA221G2A
C 203 CQPA102G2A
C 204 CFTLA104J50
C 205 CEAS101M16
C 206 CMA150J2H
C 207 CFTLA104J50
C 208 CMA330J2H
C 209 CFTLA104J50
C 211 CMA101J2H
C 212 CMA101J2H
C 213 CFTLA333J50
C 214 CQPA102G2A
C 215 CQPA471G2A
C 501 CCPUSL470J50
C 502 CCPUSL470J50
C 503 CFTLA104J50
C 504 CFTLA104J50
C 505 CFTLA104J50
C 506 CFTLA104J50
C 551 CFTLA333J50
C 552 CFTLA333J50
C 553 CEAS4R7M50
C 554 CEAS4R7M50
C 555 CFTLA334J50
C 556 CFTLA334J50
C 557 CEAS220M50
C 651 220µF/10V CCH1036
C 652 CFTLA103J50
C 653 CFTLA103J50
C 654 CEAS100M16
C 655 CEAS100M16
C 656 CEAS101M16
C 657 CFTLA103J50
C 659 CEAS220M50
C 660 470µF/16V CCH1183
C 661 CFTLA103J50
C 662 CFTLA103J50
C 801 CQMA471J50
C 802 CQMA471J50
C 803 CEAS100M16
C 804 CEAS100M16
C 805 CCPUSL470J50
C 851 CQMA471J50
C 852 CQMA471J50
C 853 CEAS100M16
C 854 CEAS100M16
C 855 CFTLA103J50
C 856 CFTLA103J50
C 857 CCPUSL470J50
C 858 CCPUSL470J50
=====Circuit Symbol and No.===Part Name Part No.
--- ------ --------------------------------------------- ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ --------------------------------------------- -------------------------

C 859 CCPUSL470J50
C 860 CCPUSL470J50
C 901 CFTLA104J50
C 902 CFTLA224J50
C 903 CFTLA104J50
C 951 CEAS100M16
C 952 CEAS221M10
C 953 CQMAQ102J50
C 954 CFTLA105J50
C 955 CEAS101M16
C 956 CFTLA564J50
C 957 CFTLA564J50
C 959 CFTLA104J50
C 961 CFTLA273J50
C 962 CFTLA273J50
C 963 4700µF/16V CCH1310
C 964 CEAS332M35
C 965 CEAS332M35
C 966 CEAS332M35
C 967 CEAS332M35
C 970 CEAS470M16
C 971 CEAS470M16
C 972 CEAS101M16
C 973 CEAS101M16
C 974 CEAS331M50
C 975 CEAS331M50
C 976 CQMAQ102J50
C 977 4700µF/16V CCH1310
18
GM-X822,X722
=====Circuit Symbol and No.===Part Name Part No.
--- ------ --------------------------------------------- ------------------------- =====Circuit Symbol and No.===Part Name Part No.
--- ------ --------------------------------------------- -------------------------
(2) CONTRAST TABLE
GM-X822/X1R/UC, GM-X722/X1R/UC, GM-X722/X1R/ES and GM-X722/X1R/EW are constructed the same except for the
following:
Part No.
GM-X822 GM-X722
Symbol and Description X1R/UC X1R/UC X1R/ES X1R/EW
D902,903 LED NSPWF50S(AQ) NSPWF50S(VQ) NSPWF50S(VQ) NSPWF50S(VQ)
S551 Switch Not used Not used CSH1021 CSH1021
S951 Switch Not used Not used HSH-156 HSH-156
VR552 Variable Resistor 50kΩ(C) CCS1263 Not used CCS1263 CCS1263
R553,554 RD1/4PU822J Not used RD1/4PU822J RD1/4PU822J
R563,564 Not used RD1/4PU333J Not used Not used
R565,566 RD1/4PU222J RD1/4PU222J Not used Not used
R567,568 Not used Not used RD1/4PU222J RD1/4PU222J
R955 Not used Not used RD1/4PU105J RD1/4PU105J

GM-X822,X722
19
6. ADJUSTMENT
No. Item Conditions Adjustment point Specifications
1 Idling current Input ; adjust 30 seconds after 1kΩterminate VR101(Lch) mV Meter(1) : 12mV±3mV
(adjustment) power is switched on, and within 20 seconds. VR201(Rch)
2 DC-DC converter Input ; adjust 30 seconds after 1kΩterminate VR951 mV Meter(2) : 30V±3V
voltage power is switched on, and within 20 seconds.
(adjustment)
-Connection Diagram
L
1kΩ
R228
SYSTEM CONTROL GND POWER
VR951
VR201 VR101
mV Meter
(1)
DC Regulated
Power Supply
mV Meter
(1)
E
C
Q213
GND
1kΩ
R
mV Meter
(2) AMP UNIT
4Ω
(2W)
+14.4V
4Ω
(2W)
SPEAKER
OUTPUT
R128
Fig. 8

7. GENERAL INFORMATION
7.1 IC
20
GM-X822,X722
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
VCC
Stby
DET1
DET2
DET_R
GND
NC
NC
IN1
IN2
IN3
Cont_V
Filter
Vs_out
TC
Mute_out
+
-
zz
2V
+
-
zz
2V
+
-
zz
2V
+
-
2V
zz
+
-
2V
20µA
+
-
zz
2V
+
-
zz
50µA
4.7kΩ
Transient voltage
detector
Bandgap
Circuit motion:on
+
-
5.6V
+
-
QS
R
Oneshot
(1µsec)
Bandgap:on
Switch:on
0.13V
PA2027A