SERVICE MANUAL
COMPACT COMPONENT SYSTEM
MX-GT91R
B
E
EN
MX-GT91R
Area Suffix
U.K.
Continental Europe
Northern Europe
SP-MXGT91R
Contents
Safety precautions
Important for laser products
Preventing static electricity
Disassembly method
Adjustment method
STANDBY/ON
STANDBY
CD-R/RW PLAYBACK
MX-GT91R
CA-MXGT91R
1-2
1-4
1-5
1-6
1-26
PLAY & EXCHANGE
SP-MXGT91R
Flow of functional operation
until TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
1-30
1-31
1-31
1-32
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
No.20931
Apr. 2001
Block diagram
MX-GT91R
CN215
FMH031-1
CN205
CN207
FMB-028-5
RELAY
RY2
CN217
RELAY
RY1
J81
SPEAKER TERMINAL
FMA-006
5
FM
AM
FM FRONTEND
TU1
MW RF/OSC
COIL
4
M
M
L CAM
R CAM
CN805
CN855
IF
L MOTOR
DRIVER
IC 851
R MOTOR
DRIVER
IC 852
CAM0 3
CAM4 7
3
1SSW 3SSW
1MSW 3MSW
SW1 6
CN804
CN854
RDS
IC3
FM/DET
AM/DET
IC 1
PLL
Synthesizer
IC2
FMN-008
UNIT MICOM
CD CHANGER
CONTROL
IC 251
FMC-022/024-1
CN1
CN11
DIGITAL
OUT
RDS
TUNER
MPX
TX
CN661
CN651
TX
SOURCE SELECTOR
& E.VOL
IC436
CD
CN315
CD OUT
TAPE
KCMND
MSTAT
KCLK
MRDY
SLCKEY
1 2
VOLDA,VOKCK
CN870/CN871
CN860/CN861
MPX
MAIN
MICOM
IC 810
MAIN HPF
MUTE SYSTEM
IC481
INPUT AMP
IC 501
FMB-028-1
HARMONICS
GENERATOR
IC 502
KEY1,11 CD1LED
LPF
IC 526
CD2LED
CD3LED
SEARCH R,F
KEY21,22
FW915
CN911
FW714
FW915
FW901
FMH-031-2
MAIN
POWER AMP
IC602
CN704
SUB WOOFER
POWER AMP
IC 701
FMB-028-3
KEY
LED
FMH-031-3
SEARCH
KNOB
FMB-028-2
MAIN VOL
WOOFER VOL
SOUND MODE
SLCKEY2
PHB
SLCK
PHA
LED
KEY
LED
PB MECHA
PP MECHA
IC332
SW302
SW306
IC331
SOLENOID
SW303
SW304
SW305
SW316
SOLENOID
PICKUP
TRACKING
FOCUS
P001
2
1
FEED
M
SPINDLE
M
PB MECHA HEAD
RP MECHA HEAD
P011
R
L
R
L
A+C
B+D
E F
CN601
FM SM
CN801
RF & SERVO AMP
F
T
FOCUS/SPINDLE/
FEED/TRACKING
BTL DRIVER
IC801
FMP-007-1
CN301CN302
IC601
ARF
HEAD SW
IC301
DIGITAL SERVO
&
PROCESSOR
IC 651
PB/REC AMP
IC302
DRIVER
CN305
FL DISPLAY
CN316
CN306
SERIAL TO P ARALLEL
PORT EXTENSION
IC303
PHOTO A,B
FL 801
VOL
KEY2,3,21,32,41,42
SOLENOID DRIVE FOR RP MECHA
Q3314 Q3315
SOLENOID DRIVE FOR PB MECHA
Q3312 Q3313
SLCKEY1 2
CN880
DRIVER
FW301CN303
CN870
FMP-007-2
M
CN333
ABCD E F G
2-1
Standard schematic diagrams
Power supply section
MX-GT91R
5
0.33( 1/2W)
R1002
CN220
QGD2504C1-03Z
CN214
QJK015-071214
6A-125V
F102
6A-125V
T001
QQT0320-001
F101
F001
5A-125V
R1001
CN250
QGA7901C1-02
3.3M
SHEET 4/8
SHEET 2/8
4
SHEET 2/8
0.33( 1/2W)
R1002
CN220
QGD2504C1-03Z
CN214
QJK015-071214
F102
3
4A-250V
F101
4A-250V
T001
QQT0320-003
F001
2A-250V
CN250
QGA7901C1-02
CN220
QGD2504C1-03Z
QJK015-071214
CN214
QGB2510K2-04
CN213
T3.15AL
0.33( 1/2W)
R1002
F102
T3.15AL
2SC2785
R250
3.3k
0.33( 1/2W)
R1002
CN220
QGD2504C1-03Z
CN214
QJK015-071214
T4AL
F102
T4AL
T001
QQT0320-003
F001
F101
QGA7901F1-03
CN218
T2AL
CN208
WJK0114-001A
CN250
QGA7901C1-02
470/16
0.0047/250
CN209
WJK0070-002A
D252
1N4003
C252
RY3
QSK0094-001
D254
1SS133
T002
QQT0253-002
F001
T2AL
CN250
QGA7901C1-02
T001
QQT0320-002
CN218
C253
0.0047
R253
C250
QGA3901C1-02
3.3k
C251
F101
D251
1SS133
Q250
Q251
2SC2235
D255
D256
MTZJ6.2A
1/8
2/8
3/8
4/8
5/8
CN219
QGA7901C1-04
CN208
WJK0114-001A
CN209
WJK0071-002A
CN208
WJK0114-001A
0.33( 1/2W)
R1002
CN220
QGD2504C1-03Z
QJK015-071214
CN214
F102
T3.15AL
F101
T3.15AL
QGB2510K2-04
F003
T2AL
F001
CN250
T4AL
QGA7901C1-02
CN213
R250
3.3k
2SC2785
Q250
Q251
2SC2235
D255
T001
QQT0320-002
CN218
QGA3901C1-02
D251
1SS133
3.3k
R253
C253
0.0047
C251
D256
MTZJ6.2A
C250
470/16
CN209
WJK0070-002A
D252
1N4003
C252
0.0047/250
RY3
QSK0094-001
D254
1SS133
QQT0253-002
F001
T2AL
CN250
QGA7901C1-02
T002
7/8
8/8
6/8
CN218
QGA7901F1-03
2
CN220
QGD2504C1-03Z
CN214
QJK015-071214
0.33( 1/2W)
R1002
T4AL
T4AL
T001
QQT0320-003
F102
F101
CN218
QGA7901F1-03
1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-2
SHEET 1/8
HABC DEFG
DC regulation & audio output section
CN705
QGA2501C1-02
MX-GT91R
0.047
0.047
1SS133
1SS133
MTZJ8.2B
C603
C604
D650
D725
R615
IC602
C621
10/35V
220p
220p
C622
10/35V
10
R613
C605
220P
56k
R603R604
56k
R617
C601 C602
0.022
10
L601
0.45
Q601
KTA1268/GL/-T
D619
10K
R621
R619
C683
1M
R680
0.082
Q680
R682
2SK301/PQ/-T
4.7M
C734
C652
IC305
KIA7809API
C311
STBY
C312
10/50
1SS133
2.2K
R681
C612
220
3.9K
0.0022
47/50
R732
C732
R650
0.0022
C654
D315
MTZJ9.1B
R666
4.7
0.1
R652
0.22
MTZJ9.1B
33k
4.7
0.1
D622
R602
100
C735
C651
STBY
R653
C608
R606
0.0022
0.0022
KIA7812API
C309
C733
0.22
R731
C653
R651
C623
1.2K
IC304
47/63
4.7
R655
0.22
Q613
C611
R614
R616
10
QNB0107-001
D314
10/50
KRC102M-T
R601
47/50
10
L602
MTZJ13B-T2
C606
220P
100
0.45
10
R674
0.022
KTA1268/GL/-T
Q602
10K
R623
Q612
KTA1267/YG/-T
220
R618
D620
1SS133
2.2K
R620
R667
R668
10k
10k
R654
0.22
C624
10/50
10/50
C610
10P
R608
56K
C614C616
0.047
0.047
J81
0.1
4.7
0.1
C310
IC701
2SA965/OY/-T
C706
C705
220P
220P
0.22
R717
C731
0.022
R761
1K
L701
0.45
Q701
D719
10K
R721
KTA1268/GL/-T
R719
R766
1K
R718
0.022
KTA1268/GL/-T
D720
1SS133
R720
5.6K
QGB2510K2-14
QGB2510J1-14
Q702
33k
1K
C730
R762
1K
1SS133
5.6K
CN205
Q713
2SC2235/OY/-T
L702
10K
R722
CN215
R704
R703
0.45
R714
82K
R725
2SC2389S/SE/-T
Q726
R728
10K
R729
100K
R639
820
R640
820
R740
820
Q736
2SC3576-JVC-T
Q734
2SC3576-JVC-T
Q733
2SC3576-JVC-T
Q735
2SC3576-JVC-T
R739
820
100K
R726
KTC3199/GL/-T
Q728
C729
47/16
D728
1SS133
D723
D703 D704
R741
MTZJ36A-T2
MTZJ15C-T2
R723
MTZJ15C-T2
R742
R724
R705
C707
10
R774
0.22
R753
MTZJ36A-T2
C709
4.7p
R707
56K
C713
C715
0.047
0.047
R715
R754
10
R713
10
D724
47/63
820
5
KRA111M-T
CN703
QGD2504C1-03Z
Q737
R736
4.7K
R734
4.7K
4.7K
4.7K
R733
R735
SHEET 5/8SHEET 3/8SHEET 1/8 SHEET 3/8 SHEET 3/8
C726
R730
10K
10/25
R727
100K
4
CN704
QGD2504C1-03Z
MAINL
MAINR
CN706
QGD2504C1-03Z
CN201
QGB2510J1-09
Q727
KTA1268/GL/-T
R778
10K
10K
R777
C722
56k
56k
C703 C704
C721
C710
4.7p
R708
56K
10
C708
R716
10
C714
0.0470.047
R706
C716
PRT
3
PRT
SWFB
SURR.CTRL
CN202
QGB2510J1-08
CN203
2
QGB2510J1-04
CN204
QGA3901C1-07
MTZ2.4JB
D280
R281
R283
47/63
15K
C281
R284
47K
0.22/50
C280
L201
QQR0779-001Z
4.7/50
100K
R205
C221
MTZJ9.1B-T2
4.7/50
D220
C222
R242
10K
Q240
KTC3199/GL/-T
D223
R209
10K
1SS133
1N4003S-T5
D227
C216
R202
4.7
100/35
D221
D217
KTC3199/GL/-T
R207
C223
MTZJ5.1B
1N4003S-T5
D218
C217
1N4003S-T5
10K
R210
22/50
R203
C218
Q204
3K
Q201
KTA1023/0Y/-T
7.5K
D219
22/50
MTZJ33C
C219
0.01
C220
22/50
R204
22K
Q710
820
470p
470p
47/63
R776
1k
R775
R786
10K
10K
R787
0.1
0.1
C711
C712
1k
C739
R701
47
R702
Q712
KTA1268/GL/-T
47
KTC3200/GL/-T
Q711
D726
1SS133
100K
R768
C723
R790
D790
R220
R769
100/10
10k
1SS133
2.2K
Q790
KTC3199/GL/-T
R792
1K
47/25
C790
CN207
QGB2510J1-10
R793
MAINL
SWL
100K
0.33
R303
R795
R794
10k
10k
R306
R302
2.2
R307
R798
10
R796
6.8K
R797
20K
Q791
KTC3199/GL/-T
C639
CN217
QGB2510K2-10
Q792
0.1
C307
STBY
KTC3203/OY/-T
IC303
KIA7808API
D316
R675
1k
R676
1k
C609
R607
56K
47/63
C607
1.2K
R605
RY1
QSK0109-001
RY2
QSK0109-001
C308
10/50
STBY
10P
C613C615
D313
R248
1
R246
2A02M1
R247
1
R249
1
Q373
R389
10K
KRA104M-T
1
R385
Q374
KRC104M-T
R383
C372
5.6K
R384
2.7K
22/50
Q371
Q372
D369
MTZ10JC
C373
0.01
D370
ABCD E F G
D233
MTZJ11C
C374
D234
22/50
3300/25
2A02M
C253
R217
QGB2510J1-10
5.6V
EP201
QNZ0136-001Z
CN206
9V
8V
CN216
QGB2510K2-10
47K
C213
C211
0.082
R218
27K
C215
R215
C204
C202
0.1
C203
47K
R216
C201
C205
0.1
0.1
27K
C214
0.082
C212
0.082
R361
R366
200
R360
R365
200
KTC3199/GL
R364
1.2K
MTZJ11C
D361
R367
1.2K
Q361
R363
MTZJ5.1B
330
D360
KTC3199/GL
Q362
C360
Q360
2SD2395
47/16
C361
R368
R362
330
0.01
330
C362
D362
22/50
MTZJ6.8C
Parts are safety assurance parts.
MAIN Signal
When replacing those parts make
sure to use the specified one.
SHEET 2/8
2-3
MX-GT91R
Main section
CN870
Q572
R523
8.2k
C514
1.8K
100
R582
Q571
2SC2785/FE/-T
0.027
B172
R581
220k
QGF1205C1-17
R580
C578
C889
0.01
C472
R470
5.6k
IC502
1/50
BA15218
10/25
R468
20k
4.7/50
C466
0.068
C469
R579
R510
R467
R469
5.6k
10/25
C471
0.27
C470
J426
GP1FA550TZ
D426
C426
MTZJ5.1B-T2
220P
D411
1SS133-T2
D412
1SS133-T2
C415
2200P
D413
D414
C416
C1207
0.01MY
C402
R412
R415
R888
R887
C501
4.7/50
B150
B108
B151
R443
100k
R444
100k
0.022
C888
0.022
2.7k
R407
R403
4.7k
C404
R411
10k
C411
220p
220p
10k
C412
2SC3576-JVC-T
200
C413
Q411
R416
C414
200 2SC3576-JVC-T
C1229
100/10
3.3k
3.3k
R502
R501
AUXL
PBL
CDL
10/35
10/25
10/35
2.2/50
C447
C439
C441
C443
2.2/50
10/35
2.2/50
0.018
C449
C460
C450
C448
2.7k
B154
R438
5
C401
220P
SHEET 7/8
CN315
QGF1205C1-10
1SS133-T2
1SS133-T2
4
J411
QNN0215-001
CN661
QGF1016F3-19
C1201
220/10
C1202
3
SHEET 6/8
2
CDR
R1203
CDL
D.OUT
VC3RESET
R999
10K
KCLK
MRDY
MSTAT
KCMND
R1206
R1207
R1208
R1209
C1205
R1202
1k
1k
R1205
0.01MY
0.1MY
1k
1k
1k
1k
1k
C1206
0.1MY
C432
0.001
R401
R402
C403
470/10
R404
4.7k
47/16
R413
R414
Q412
L566
QQR0779-001Z
30k
R503
C502
TUR
TUL
10/25
10/25
C446
C445
0.022
0.1
C458
C454
5.6k
R439
PBR
2.2/50
C444
0.1
C456
68k
68k
4.7/50
10/25
CDR
10/35
C442
0.1
C453
C427
R417
R419
R519
30k
R507
C505
AUXR
10/25
C440
0.1
C455
5.6k
R440
R426
1K
1K
Q401
2SC3576-JVC-T
2SC3576-JVC-T
Q402
2.2k
10k
R420
10k
100k
C510
4.7/50
R508
0.27
C999
C998
0.022
0.018
C457
C459
2.7k
R441
C504
270k
0.0056
C461
56
0.0082
C1227
100/10
0.0056
C462
C436
R405
R418
R518
100k
10/25
RECL
RECR
PBMUTE
AUXL
AUXR
RECL
RECR
IC501
C509
100/10
100P
100P
R437
C437
R442
MSI
PBL
PBR
R406
2.2k
C507
BA15218
R1233
10k
R436
1k
10k
R511
100
VOLDA
C438
IC436
VOLCK
D.OUT
AUXMUTE
0.015
1SS133-T2
R505
100k
R504
TDA7439
R994
D501
0.01
100k
KRA102M-T
R421
22k
10K
C887
0.01
100
R583
2SC2785/FE/-T
Q413
R410
22k
C503
D502
0.22
1SS133-T2
22K
R513
220k
R512
220k
C508
R506
22K
56K
R524
R517
1
C433
0.01
C886
0.022
SHEET 4/8 SHEET 4/8
CN871
D592
KCMND
MSTAT
TUCE
KCLK
VC3RESET
47/16
R576
Q573
C535
100/10
100
C476
200
IC466
BA3837
C576
47/16
R475
CK
MRDY
SPISIG
100k
IC571
BA15218
C577
R575
47k
100p
C575
22k
R532
R536
R530
5.6k
1.8K
R528
C532
47/16
0.1
C530
22k
R529
C531
C526
C527
100
R473
6.8K
51K
R474
0.0068
MPX
MSI2
1SS133-T2
D571
1SS133-T2
D572
1SS133-T2
100k
R577
2SC2785/FE/-T
C528
0.1
R534
R537
20k
10/25
2.2/50
22/25
R466
C468
C467
C473
1k
10/25
R472
C475
C474
1/50
22k
R471
R996
10K
KARAOKE
ECO
RDS_CLK
RDSDA/KARAOKE
R572
D586
IC526
BA15218
R541
100
R526
100/10
B311
B312
B313
R431
30k
R432
30k
RECR
RECL
QGF1205C1-17
KRA102M-T
C1228
D434
MTZJ5.1B-T2
47k
L567
QQL0779-001
MTZJ6.8C-T2
C594
470/10V
22k
SPISIG
Q999
100/6.3
C593
MTZJ6.8C-T2
R593
100K
QQL0779-001
R1233
R995
33K
PRT
R571
270
2.2/50
C571
D587
L572
C534
47/16
C489
2-4
VOLCK
100/10
VOLDA
POUT
R435
10k
RELAY
BASS2
C481
R487
R488
PBMUTE
BASS1
KTC3199/GL
1/50
C585
L568
QQL0779-001
L570
QQL0779-001
R498
C484
C482
R585
47K
Q585
100K
D585
1SS133-T2
R587
C592
0.01
R531
15k
D431
100
R485
C483
C486
R486
10/35
103P
C993
R998
10K
R997
10K
-30V
QRJ146J-4.7X
R586
2.2M
C587
C586
33P
0.018
C589
0.015
Q586
KTC3199/GL
22
R588
680P
C588
L571
QQL0779-001
L569
QQL0779-001
560
R594
C595
12K
R557
2SC2785/FE/-T
R495
IC481
BA15218
C487
1000/6.3
R564
100
100/10
0.01
C596
Q557
22k
D432
BASS2
MTZJ3.9B-T2
R492
180
R595
4.7K
R558
2SC2785/FE/-T
R491
4.7k
4.7k
1k
R496
C488
SMUTE
D588
MTZ3.9B-T2
Q556
22k
R563
BASS1
MTZJ3.9B-T2
C485
10/35
MAIN signal
TUNER signal
C994
CN11
470P
QGF1205F1-09/13
R886
R776
33K
D593
R777
SWFB
18P
1SS133-T2
CK
MPX
TUL
TUR
220
RDS_CLK
RDSDA
R433
1200P
C1209
C1208
QNN0017-002
10/25
QGB2510K2-09/11
PRT
SWFB
SURR.CTRL
ECO
POUT
-30V
RELAY
QUM156-18DGZ4
C1210
C1211
C1213
C556
CN211
FW714
CN504
0.01
CN505
JA566
C1214
0.01
0.01
C1212
0.01
CN212
SHEET 8/8
0.01
P2
P1
SHEET 2/8SHEET 2/8SHEET 2/8
QGB2510K2-08/10
R434
C995
100/6.3
Q589
KTA1271/0Y/-T
Q590
C597
180
R596
100/10
KRC102M
C598
22/50
QQR0779-001
2SC3576-JVC-T
30K
R560
C997
6.8K
R489
Q483
KRA102M-T
1/50
10P 10P
6.8K
C996
R490
L546
QQR0779-001
MSI
MSI2
10K
R598
1K
R597
R599
1K
L573
Q562
R562
10k
10k
R493
Q481
2SC3576-JVC-T
R494
10k
Q482
2SC3576-JVC-T
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
TAPE P.B. signal
CD signal
SHEET 3/8
HABC DEFG
MX-GT91R
FL & systm control section
1.2K
R993
S999
R997
KEY2
10K
R811
R829
KEY3
10K
R812
Q1022
KRA111M-T
R1043
1.5K
S996
R995
2.2K
S995
R996
2.7K
S997
S998
R998
1K
C816
47/16
56K
R816
56K
R815
KEY4
10K
R813
10K
10K
R822
R821
ECHO1
ECHO2
220
R1042
10K
20K
FL801
G6G7G8G9G10
G5
100K
100K
R868
R870
R872
15G
14G
16G
10K
10K
R828
R883
1N4003S-T5
D806
G2
G3
G4
100K
100K
R866
R859
13G
3G
10K
R882
1SS119-02-T2
1N4003S-T5
D801
QLF0074-001
G1
100K
100K
R857
R826
2G
1G
R839
R854
D805
R838
R855
R820
R819
R851
10K
R881
1SS119-02-T2
D803
D802
KRA102M-T
Q890
R890
P10
10K
R817
R801
330
1SS133-T2
Q908
P22
2SD1991A/RS/-T
100K
1K
1K
1SS133-T2
1K
1K
1K
1K
1K
5.6K
10K
R814
R818
D804
1SS133-T2
C803
470/6.3
Q907
P18
P19
P20CKP21
Q879
2SD1991A/RS/-T
R879
100K
P8
R841
L803
QQL29BJ-100Z
KRC102M-T
P17
Q809
10K
P15
P16
R873
17G
P11
P12
P13
P14
2SD1991A/RS/-T
Q810
R871
100K
16G
KCLK
MSTAT
KCMND
C804
470/6.3
P9
P10
100K
1K
1K
R846
R845
DATA
0.001
C805
0.1MY
C1034
Q811
2SD1991A/RS/-T
R869
100K
15G
1K
1.5MY
C820
R847
CK
C821
C808
L813
QQR0779-001Z
100/10
C1035
D1021
P1
P2P3P4P5P6P7P8
Q812
2SD1991A/RS/-T
R867
14G
1G
IC810
MN101C35DEA
0.01
X801
QAX0283-001Z
33P
MTZ5.1B-T2
L806
QQL29BJ-100Z
Q813
2SD1991A/RS/-T
R865
100K
5G
4G
3G
2G
KEY2
KEY1
R1031
20K
C1036
100P
100K
13G
7G
6G
KEY3
KEY4
33P
C809
Q858
2SD1991A/RS/-T
R858
100K
3G
12G
11G
10G
9G
8G
SPIDTI
SLCKEY2
SLCKEY1
R1033
8.2K
C1038
R1034
10K
C1037
0.01
R1035
33K
Q816
2SD1991A/RS/-T
R856
100K
2G
13G
MRDY
4700P
Q817
2SD1991A/RS/-T
R825
100K
G2
1G
14G
15G
16G
17G
R849
INH
D831
MTZJ5.1B-T2
IC902
BU9253AS
C817
C815
22/50
2SD1991A/RS/-T
RA802
G1
G1
R843
R850
R895
R893
R824
R823
1K
C831
C832
0.01
0.01
G2
R848
C1040
0.01
C1041
3300P
22/50
4G
G3
D832
MTZJ5.1B-T2
C1045
2.2/50
5G
330
220
1K
1K
1K
1K
1K
R1038
4.7K
R1039
C1042
L815
6G
R840
C823
10K
22/25
QQR0779-001Z
9G
8G
7G
10K
0.33MY
C1039
0.01U
R1032
C1043
C1044
QRB169J-104
10G
11G
10K
R827
20K
R1037
15K
0.47MY
0.01u
R1040
12G
G13
R1036
3.9K
2.7K
VC3RESET
G14
G16
G15
SLLCE
EXTCE
VOLCK
FVOLDA
ECON
TAPELED
PRT
RDS_CLK
SOUNMODE+
PHOTOB
PHOTOA
REMIN
SPI_B
SPI_A
RDS_DATA
AUXMUTE
BASSVOL-
BASSVOL+
RST
SLCKEY1
10K
R808
KRA111M-T
20K
R1041
SLCKEY2
10K
R807
Q1021
R1044
5.6K
C1046
KRA111M-T
Q1023
1K
R1045
KEY1
10K
R810
1/50
GPIU271X
IC951
C836
Q843
3.9K
5.6K
10K
R844
R964
1K
C835
D812
1SS133-T2
10K
1000p
R876
10/25
REMIN
R968
B186
G15
G14
G13
G16
G17
L805
QQL29BJ-100Z
RA801
P2
P3
P1
SPI_A
SPI_B
SPIDTI
SPI_IN
10K
R864
AUXLED
SMLED
CDLED
BASSLED
TULED
ECHO1
ECHO2
RELAY
BASS2
BASS1
PBMUTE
SURROUND
POUT1
VDD
C837
100/10
10K
RESET
INH
KIA7042AP-T
1K
B185
R884
IC830
4.7/50
C889
Q875
BU2092/F
KRC102M-T
P4
P5
P6
IC812
BA3835S
1SS133-T2
C862
4.7/50
IC811
C940
2.2/50
QGF1210G1-09
P78PP9
L872
D860
10P
QQR0779-001Z
C873
R878
C874
C875
EXTCE
VOLCK
VOLDTA
VSS
C838
0.001
D816
MTZ6.2JC
D815
CN316
QRB169J-104
P13
P11
P12
C857
R861
10K
22
R862
C801
R151
220
MTZ6.2JC
DATA
SLCCE
P16
P15
P14
22/50
0.22/50
100K
0.1MY
0.1MY
R877
10K
C872
0.22/50
Q860
KTC3199/GL
0.01MY
R860
680k
L801
QQL29BJ-100Z
SLCKEY1
100K
R837
G17
Q905
R905
100K
SLCKEY2
100K
R836
P17
PHOTOB
PHOTOA
L802
100K
100K
100K
R834
R833
R835
P19
P18
Q906
KRC104M-T
G12
QQL231K-220Y
100K
100K
R831
R832
P22
P21
KRC104M-T
R906
100K
G11
100K
R891
P10
100K
100K
100K
R874
R880
17G
P8
TUCE
SMUTE
SEARCH-LED
CD1LED
CD2LED
CD3LED
R_SEARCH
MSI
MPX
INH
F_SEARCH
VOLVOL+
SOUNDMODE-
D807
5
100
L-115XSRD-D-T
R961
D964
1S133-T2
D962
S964
R963
Q961
KRA102M-T
S963
R962
10K
R965
R921
4
QGF1205F1-17
CN860
MSI
MPX
INH
SMUTE
TUCE
VC3RESET
KCMND
MSTAT
KCLK
DATA
CK
SPI-IN
SHEET 3/8SHEET 3/8SHEET 1/8
3
MRDY
RDS-DATA/KARAUKE
RDS-CLK
ECON
PRT
VOL-CK
VOL-DATA
RELAY
AUXMUTE
BASS2
BASS1
PBMUTE
SURROUND
CN861
QGF1205F1-17
2
QUM153-10DGZ4
C233
FW230
Q877
KRA102M-T
Q878
KRC102M-T
R234
0.1MY
R233
220
R889
220
R888
R887
220
220
R886
R885
220
1K
R911
10K
R912
RELAY
HP
KRA102M-T
R842
QQR0779-001Z
L812
10K
C825
0.001
100
R970
R994
R894
SHEET 7/8
2K
R991
QUM027-18Z4Z4
CD1LED
CD2LED
QGD2503F1-07
R897
QGF1210G1-24
HP
TULED
BASSLED
CDLED
SMLED
AUXLED
BASSVOL+
BASSVOLSMODESMODE+
TAPELED
VOL+
VOL-
2K
R992
CD3LED
CN911
R902
10K
CN880
FW915
SHEET 5/8SHEET 5/8SHEET 5/8
1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
ABCD E F G
SHEET 4/8
2-5
MX-GT91R
Front section
IC901
R1068
20K
330P
R1067
R1021
4.7k
R1022
4.7k
C1065
56
C1064
NJM4580L
150P
150P
C1022
C1023
R1066
4.7/50
4.7M
C1063
MTZJ2.4B-T2
1000p1000p
1SS133-T2
100
R1065
102P
C1021
D1022
TW800
QUB220-15DMHP
D1061
C1062
100/10
R1064
1.5k
R1063
390
R1062
12K
C1061
220/10
J1021
QNS0184-001
J1022
QNS0184-001
R1061
10K
FW915
QUM027-18Z4Z4
5
SHEET 4/8SHEET 4/8SHEET 4/8
QUM027-13DGZ4
FW901
S915
S916
S917
QSW0911-001
JS901
R916
R917
200
R918
D918
1K
1K
Q918
KRC102M-T
68
R904
4
D904
C902
D905
0.01
C901
0.01
R919
D919
L-115XSRD-D-T
Q919
S901
R908
5.6K
S902
L-115XSRD-D-T
Q901
KRC102M-T2
200
L-115XSRD-D-T
Q920
KRC102M-T
R920
D920
200
L-115XSRD-D-T
KRC102M-T
VR901
QVQ0299-B54
C1067
C1068
0.22/50
2.2/50
R1071
4.7K
R1069
1K
Q1061
2SD2144S/VW/-T
560
R1070
C1066
68
C961
0.01
68
R954
D954
L-914SRD-T
D943
Q954
KTA1267/YG/-T
QQL231K-470Y
L1001
QQL231K-470Y
C1001
3900p
Q956
L1002
R956
D957D956
L-115XSRD-D-T
68
R953
D953
D942
Q953
KTA1267/YG/-T
C1002
3900p
QSW0862-001
KTA1267/YG/-T
L-914SRD-T
JS962
S950
S949
S948
S947
S946
S945
S944
J1001
QNS0183-001
222P
D1003
MTZJ2.4B-T2
C962 C963
0.01 0.01
C1070
1k
R950
R949
1.2k
1.5k
R948
R947
2.2k
2.7K
R946
3.9k
R945
R944
5.6K
R943
10K
C935
0.01
TW801
QUB220-15DMHP
JS956
QSW0912-001
0.01
2K
1.2K
1.5K
2.2K
2.7K3.9K5.6K
C956
S951
S936
S937
S938
S939
FW713
3
2
CN870
R930
10K
S952
S943
S942
S931
S932
S933
S935
R929
R952
R955
R931
R932R933R935
QUB023-33DGZ4
C957
0.01
R951
R936
R937
R938
R939
R942
C1004
D961D960 R960
KTA1267/YG/-T
2K
1.2K
1.5K
2.2K
2.7K
3.9K
1000p
L-115XSRD-D-T 68
Q960
L1003
QQR0779-001Z
C960
0.01
68
R940
D940
L-914SRD-T
D945
Q940
KTA1267/YG/-T
1000p
C1005
JS960
QSW0911-001
68
R941
D941
L-914SRD-T
D944
Q941
KTA1267/YG/-T
1000p
C1006
SHEET 2/8
1
SHEET 5/8
2-6
HABC DEFG
CD serbo section
MX-GT91R
CN805
5
SW1
SW2
SW3
SW4
SW5
SW6
CN804
CN855
QGB2012K2-10
M851
MSN-5D257A
M852
MSN-5D257A
CN854
QGB2016K1-07
4
CN851
NI
C001
1
HDU-100
CN601
QGF1016F3-15
3
VR001
2KB
F+
T+
T-
HQMV7102-015
P001
F-
W601
2
CN801
P011
QGA2001F1-06
E406784+001
ESB110-005
QGA2001C1-06
1
E406783-001
R636
CAM0
R887
1K
CAM1
R886
1K
CAM2
R885
1K
CAM3
R884
1K
CAM4
R883
1K
CAM5
R882
1K
CAM6
R881
1K
CAM7
R880
1K
L853
10
C859
C860
1SSW
R861
1K
2SSW
R862
1K
3SSW
R863
1K
3MSW
R866
1K
2MSW
R865
1K
1MSW
R864
1K
F
E
B+D
A+C
R618
15k
A+C
F
B+D
E
10
R634
FM-
SM+
R832
SM-
10K
FM+
R831
150
LM-
1/16
LM+
L854
10
RM-
1/16
RM+
C602C601
R621
R620
R619
15k
C633
0.022
C632
1/16
R632
10
12
560K
560K
R633
120
R635
Q631
2SA1037AK/RS/-X
LA6541-X
IC801
0.0010.001
R624
IC601
AN22000A
100/6.3
C624
NI
C623
R631
2.2
C631
10/16
R611
0.022
0.022
0
1/16
390P
C812
SM- T-
C604
C603
R609
3.3K
R605
C607
R625
C611
NI
T+
390P
C814
SM+
C853
0.01
D851
MTZJ5.6B
LMUP
LM+
Q842
NI
R842
4.7K
NI
NI
8.2k
8.2k
0
R623
R622
C612
1/50
0.027
C614
0.1
C613
R610
NI
22K
C619
F+
390P
C813
FM+
R613
F-
390P
C811
FM-
C610
2.2K
C620
47p
R617
NI
C802
C801
0.0068
R801
2.7K
LMDOWN
R603
120k
0.0047
C615
0.027
NI
0.012
R813
NI
C816
NI
C605
R812
1.5K
C815
2.2/50
R601
R602
R607
R606
0.01
C616
R802
R808
R803
R804
R805
R806
R807
C606
C618
NI
1.2K
LM-
150P
56P
R616
R614
22k
R855
NI
0
62k
NI
Q632
NI
220K
270K
R608
150k
R641
C642
270K
2200p
R604
C617
330P
R615
NI
2.2K
220K
3.9K
C821 C822
1/16 220/10
27K
R809
1.2K
13K
24K
C621
TP1
RM+
R642
IC852IC851
LB1641LB1641
R811
R281
R280
1K
22K
R263
OUTL
OUTR
22K
R264
R649
/RST
1K
R651
C663
68K
R662
1K
R652
0.022
STAT
1K
DMUTE
C664
24K
R695R696
24K
SUBQ
1K
R653
R685
120K
R663
0.022
P.ON
L851
10/16
R856
C852
10
0
0.1/25
C855
TRV
TVD
ECM
ECS
KICK
TRD
FOD
FBAL
TBAL
FE
TE
RFENV
VDET
OFT
/RFDET
BDO
LDON
WVEL
R667
D667
KCLK
SUBQ
R656
SQCK
1K
KCMND
R256
MSTAT
1K
MCS
R277
1K
R276
1K
TP6
R275
1K
TP5
R274
1K
TP4
TP3
22K
22K
R262
R261
R682
1K
C676
0.1/25
R661
39k
1M
R683
470P
C661
ARF
4.7
0.1/25
100/6.3
NI
C680
C679
0.01
C854
RMUP
RMDOWN
RM-
TBAL
FBAL
LDON
GCTRL
0
FE
TE
C641
0.022
C608
820p
390k
VDET
1
TP2
/RFDET
C622
0.047
OFT
BDO
RFENV
ARF
WVEL
TRD
KICK
FOD
ECM
ECS
TVD
TRV
TP9
R290
10k
QAX0360-001Z
C251
10P
SQCK
C653
0.1/25
IC651
MN662748RPM
68k
330
R664
1.5M
C665
0.15
R668
R691
10K
C693
0.0068
C694
0.0068
R692
10K
TP7
TP8
1K
1K
1K
R288
R289
R265
IC251
UPD780024AGKB25
X251
C252
10P
MLD
MDATA
R684
5.6K
R669
NI
1
C666
C668
C667
R701
BA15218F-XE
R705
5.6K
BA15218F-XE
R702
R258
22K
MCLK
100
R654
560k
2.7K
0.047
R672
C672
0.33U
R703
820
IC652
IC652
820
2MSW
1MSW
TP10
1K
R254
MRDY
STAT
NI
C671
10K
C691
R706 R707
R704
10K
1SSW
2SSW
3SSW
3MSW
1K
1K
1K
1K
R659
R658
R655
/RST
DMUTE
MCLK
MDATA
270
QAX0413-001Z
R665
X651
C651
C652
12P
12P
390P
C695
0.047
2K 6.8K
C696
C692
390P
10/16
R260
R871
R872
R873
R876
R875
R874
C669
2.2K
220/10
R709
R708
R657
MLD
C655
R670
100
C656
C699
220/10
22K
22K
22K
22K
22K
22K
OUTR
0.1/25
R710
1K
/P.ON
0.1/25
R690
10K
OUTL
100
22K
22K
22K
22K
22K
22KNI22K
22K
R888
R889
R890
R891
R892
R893
R894
R895
CAM7
CAM6
CAM5
CAM4
CAM3
CAM2
CAM1
CAM0
RMDOWN
R854
C657
1K
1K
1K
1K
220/10
C677
R852
R853
R851
0.1/25
220/10
C673
0.1/25
R666
RSEL
C253
220
SBCK
SUBC
RMUP
LMDOWN
LMUP
C254
47/10
SBCK
SUBC
RSEL
P.ON
/P.ON
R291
1.2K
R292
R294
10K
KCMND
MSTAT
MRDY
KCLK
MCS
LOUT
ROUT
R689
10K
1K
Q291
2SB1357/EF/-T
R257
R253
R284
0.1/25
C658
R255
R686
R687
R688
R293
1K
1K
1K
1K
QGF1016F3-19
NI
NI
NI
NI
C291
47/10
CN651
CN652
SHEET 3/8
NI
CD signal
220
100
LOUT
ROUT
ABCD E F G
SHEET 6/8
2-7
MX-GT91R
Head amplifier section
5
4
3
2
1
SHEET 3/8
SHEET 4/8
2-8
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
TAPE P.B. signal
SHEET 7/8
HABC DEFG
MX-GT91R
Tuner section
5
TU1
QAU0160-001
4
1SS133-T2
D2
D1
J1
QNB0014-001
1SS133-T2
C10
12P
L3
4.7
1SS133-T2
1SS133-T2
C1
C3
0.022
D3
D4
10/16
R5
56
CF1
QAX0420-001
R3
220K
Q1
C2
0.01
R2
330
Q2
2SC2412K/R/-X
R11
4.7k
R4
12
R6
330
C4
2SC2814/4-5/-X
Q3
2SC2412K/R/-X
0.01
R12
DTA114YKA-X
4.7k
C25
100/10
C15
12P
X1
C16
Q4
12P
3
C9
0.001
IC2
QAX0402-001
C22
C23
C24
LC72136N
150P
150P
150P
C17
0.0039
C18
0.47/50
R23
1.8K
C56
10P
R10
2.2K
R22
1K
1K
1K
R20
R18
R19
C20
1000P
C19
0.047
2.2K
R26
330
R25
4.7K
R21
5.6K
Q5
DTA114YKA-X
R30
1.2K
C55
L2
33P
33
R24
10K
C54
0.047
T1
QQR0793-001
22/16
3.3K
C52
C53
0.27
C51
1/50
C57
0.001
R41
LA1838
IC1
CF2
QAX0458-001Z
C48
0.0022
C49
470P
C50
C58
0.047
22/16
C32
0.047
C31
22/16
0
R60
C60
39k
R40
C47
C46
1/50
0.022
0.047
C33
47
R34C34
0.022
0.047
C35
R38
C45
10/16
39K
C44
10/16
R39
39K
C43
0.0018
C42
0.0018
C41
10/16
C40
10/16
R37
10K
R36
3.3K
1/50
0.22/50
C38
C37
1/50
5.6k
R35
C39
C36
1/50
10K
R70
C70
C21
L1
QQR1094-001
C12
C13
0.047
10K
R13
R15
2
3.3K
C11
0.1
12P
R14
100K
R16
4.7K
C14
R17
100/10
68( 1/4W) FR
C7
0.001
R29
10K
R27
R28
10K
10K
C6
0.001
D11
1SS133-T2
0.022
R33
330
CF3
QAX0610-001Z
1K
R71
LC72723
10/50
IC3
330P
C76
C75
C30
100/10
R32
1K
C26
0.01
C27
0.01
C59
R31
0.001
1K
L70
100
C73
0.1
1K
1K
R72
R73
C74
C72
0.1
560P
22P
X70
QAX0263-001Z
C71
22P
Parts are safety assurance parts.
5.6V
LOUT
STEREO
CE
9V
CK
DATA
1
FROM CN11 OF FMC-022
GND
SHEET 3/8
ROUT
D.GND
RDDA
RDCL
CN1
QGF1205F1-13
When replacing those parts make
sure to use the specified one.
FM/ TUNER signal
SHEET 8/8
ABCD E F G
2-9
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