JVC MXJ-970-V, MXJ-980-V Schematic
MX-J970V/MX-J980V
Block diagram
PB/RP MECHA
HEAD
HEAD SW
IC301
PB/REC AMP
IC302
REC
L/R
SERIAL TO P ARALLEL
PORT EXTENSION
IC304.IC303
PB/RP
SLCCE
DATA
CK
TKEY
1~3
PB/RP
PHOTO
REC L/R
PB L/R
CN304
IC1
SW4,6
SW5,2,1
TKEY1
TKEY2
RPPHOTO
RP MECHA
CN1
CN303FW301
SW2,4,6
IC1
TKEY3
DRIVE
PBPHOTO
PB MECHA
CN1
CN306
CN305
FL DISPLAY TUBE
FL801
SYSTEM CONTROL
IC810
MN101C35DE8
XI,O
X802
32.768kHz
OSC1,2
X801
8MHz
MASTER
VOLUME
JS992
BASS
VOLUME
JS950
KEY
S992~S997
DISC1~3
EJECT1~3
KEY
S985 CD
S986 TAPE
OPEN/CLOSE
S991
STAND-BY
S963
KEY
S952 AUX
S953 TUNER
KEY2
S921~S926
KEY3
S931~S938
KEY4
S927,928,939
941~946
VOL+/-
BASSVOL+/-
CN990
FW850
FW951
K21
K22 K22
K12
K11
KEY 2~4
K21
KEY1
KEY1
CN862/863
CN883
CN850/851
CN880
FW883
FW950
CN879
CN979
CN869
CN815
MOTOR
DRIVER
IC853
DOROP
DORCL
ROLLING
PANEL
MOTOR
M
SLCKEY1~3
PHOTO A/B
SLCCE
DATA,CK
CN868
CN867
SOURCE
SELECTOR
& E.VOL
IC436
PB L/R
REC L/R
CD DATA
AUX L/R
VOLDA
VOLCK
MAIN
L/R
TU L/R
MPX
CD L/R
CD L/R
TX
TP101
CN612
FW862
D.OUT
RY2
FRONT AMP
IC602
CN602
TO SPEAKER
J82
MAIN
L/R
HP
L/R
AUX
PICK-UP
DIGITAL SERVO
&
DIGITAL SIGNAL
PROCESSOR
IC651
RF & SERVO AMP.
IC601
AN8806SB
BTL DRIVER
IC801
A+C,B+D,E,F
TP1
M M
SPINDLE MOTOR
FEED MOTOR
REST SW
/RESET
OUT L/R
TX
CN601
CN315CN912
CN651
L MOTOR
DRIVER
IC851
R MOTOR
DRIVER
IC852
CD CHANGER
CONTROL
IC251
MM
RMUP
RMDWN
LMUP
LMDWN
R MOTOR
L MOTOR
CAM0~CAM7
VIDEO
OUT
1MSW~3MSW
1SSW~3SSW
LCAM
RCAM
CN855CN854
CN805CN804
SW1~SW6
ARF
MLD.MDATA
MCLK.STAT
CN801
T
/REST
AHB
IC526
MIC AMP
IC901
MPEG DECORDER
&
DSP
IC101
DIGITAL
ENCORDER
IC152
KARAOKE
IC466
RESET KCLK
MRDY MSTAT KCMND
CN865
CN870/871
REMOCON
IC915
FW915
FW902
CN102
CN860/861
CN101
CN100
FW103
CN151
FW103
FM / DET
AM / DET
IC1
FM FRONTEND
TU1
MW RF/OSC
COIL
PLL Synthesizer
IC2
IF OUT
FM OSC
AM RF
AM OSC
AM/FM
AM OSC
OUT
VT
DATA
CK
CE
TUNER
OUT L/R
CN1
FM
AM
MPX
MAIN HPF
& MUTE SYSTEM
IC481
CN711
H.P.
J1001
CN901
CN900
FW952
RY1
FRONT AMP
IC701
FW704
CN701
HP
L/R
HP L/R
TO SUB WOOFER
J81
SUB WOOFER L/R
SUB WOOFER
HP
L/R
CN905
CN906
AV Electronic
5
4
3
2
1
ABCD E F G
2-1
MX-J970V/MX-J980V
AV Electronic
Standard schematic diagrams
Power transformer section
5
T001
F101
T4A
T4A
F102
4
F003
F001
3
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
2
1
2-2
SHEET 1/10
HABC DEFG
MX-J970V/MX-J980V
AV Electronic
Power amplifier & requlatoe section
5
IC602
C609
R607
47/63
1.2K
Q361
330
R364
Q362
KTC3199/GL/-T
47/50
D360
Q366
KTA1267Y/YG/-T
10P
56K
C613C615
1.2K
R367
1.2K
D361
MTZJ5.1B-T2
4.7
R372
C367
0.01
Q368
KTC3199/GL/-T
0.047
0.047
R360
4.7(1/4W)
2SD2395/EF/
Q367
STK402-040
2.2(1/4W)
R361
R365
200
MTZJ11C-T2
R377
560
R674
0.22
R652
R653
0.22
D622
33k
MTZJ9.1B
C605
220P
R666
R602
100
47/50
C612
C623
220
R617
C601
0.022
R613
L601
10
0.45
R615
10
Q601
KTA1268/GL/-T
10K
R621
D619
1SS133
2.2k
R619
R606 C608
R681
3.9K
C683
0.082
POUT
R366
200
KTA1267Y/YG/-T
0.22
R654
0.22
R655
47/50
C611
C624
10/50
10/50
C610
10P
R608
56K
R616
C614C616
Q680
2SK301/PQ/-T
Q375
680
R388
R680
0.047
0.047
Q369
2SD2395/EF/
10
1M
R382
22/50
0.01
C370
47/63
1.2K
C371
Q370
KTC3199/GL/-T
R395
2.2( 1/4W)
R396
2.2( 1/4W)
Q373
KRA104M
R389
10K
KRC104M-T
MTZ10JC
C372
D369
5.6K
R385
22/50
C373
R384
0.01
2.7K
Q374
Q732
KTA1023/OY/-T
10(1/4W)
C606
220P
Q613
KRC102M-T
100
R601
Q612
KTA1267/YG/-T
R618
220
C602
0.022
Q602
10
R614
L602
0.45
D620
1SS133
KTA1268/GL/-T
10K
R622
2.2k
R620
C622
10/35V
R604
56k
C621
56k
R603
C603 C604
150P 150P
10/35V
1k
1k
R675
R668
10k
10k
R667
R676
C640
C641
560P
560P
R640
820
C639
820
R639
MAINL
MAINR
M.OUTL
M.OUTR
FW714
QUM155-11DGZ4
SHEET 9/10
TO CN102 OF FMP-004-1
C655
0.039
C656
0.039
R650
RY2
150(1/4W)
R641
D650
1SS133
C352
22/50
4.7
C651
0.0022
C653
0.1
C654
0.1
C652
0.0022
4.7
R651
Q352
22/50
Q353
2SD2395/EF/
KTC3199/GL/-T
C350
D350
0.01
D351
MTZJ11C-T2
POUT
MTZJ12C-T2
IMP
SURROUND
R682
4.7M
D680
R684
47K
MTZ2.4JB
C680
15K
R683
0.22/50
KRA104M-T
Q351
220
R381
D370
10K
R350
D367
MTZ10JC
D368
1.8K
C374
MTZJ11C
MTZJ11C
22/50
R351
560
KRC104M
Q350
C351
R352
5.6K
R786
Q710
2SA965/OY/-T
R777
R776
R775
1k
10
R716
10
R242
10K
R202
2.2
10K
R796
10k
Q791
10k
FMH-027-2
TO CN612 OF
SHEET 3/10
CN713
QGD2503F1-10
R798
10
6.8K
R797
20K
KTC3199/GL/-T
M.OUTL
M.OUTR
IMP
MAINR
MAINL
SURROUND
-9V
5.6V
QGA2501C1-02
Q792
CN602
QGB2510K2-11
8V
CN703
KTC3203/OY/-T
C607
R605
POUT
10K
R787
R702
R778
10K
10K
1k
RELAY
47
Q711
Q712
KTA1268/GL/-T
D726
10k
R790
1SS133
R768
R791
D790
D791
1SS133
100K
R769
2.2K
C723
100/10
KTC3200/GL/-T
0.1
0.1
R701
C711
C712
47
C710
R708
56K
C708
0.047
C714
C739
0.047
C716
0.047
C781
47/63
MAINL
MAINR
RY1
47/63
1SS133
820
R706
D725
C732
C734
C736
C737
0.039
0.039
R781
SWFB
KTC3199/GL/-T
R792
10k
47/25
C790
1SS133
R731
4.7
0.0022
C733
0.1
C735
0.1
0.0022
R732
4.7
R795
Q790
1K
R794
100K
R793
Q360
2SD2395/EF/
R362
330
KTC3199/GL/-T
R363
R368
330
C362
D362
0.01
C360
C361
22/50
MTZJ6.8C-T2
R376
220
C366
22/50
D365
D366
MTZ11JC
MTZJ9.1B
R378
1.5K
1SS133
D227
POUT
FW703
QUM15A-14BFZ4
Q240
KTC3199/GL/-T
R210
R207
10K
D223
D221
C223
4.7/50
MTZ5.1JB
1N4003S-TS
1N4003S-TS
D218
C216
100/35
47/63
D217
1N4003S-TS
C217
C218
4.7/50
C222
R205
100K
C221
4.7/50
INH.CTRL
KTC3199/GL/-T
Q204
15K
Q203
KRC107M-T
R206
5.6K
KTA1023/0Y/-T
Q201
3k
C219
R203
0.01
D219
22/50
MTZJ33C
D220
MTZJ9.1B-T2
22K
C220
22/50
R204
IC701
D704
D703
MTZJ15C-T2
R736
4.7K
R734
4.7K
R733
4.7K
R735
4.7K
2SC2389S/SE/-T
Q726
R728
Q727
R729
10K
100K
Q736
2SC3576-JVC-T
Q734
2SC3576-JVC-T
Q733
2SC3576-JVC-T
Q735
2SC3576-JVC-T
C729
R740
820
R739
KTC3199/GL/-T
Q728
47/16
QQR0779-001Z
D723
820
82K
R726
100K
R725
D728
1SS133
PRT
L201
Q737
2SA1038S/SE/-T
FW704
QUM154-15BFZ4
FMB-023-13
4
TO CN901 OF
SHEET 4/10
FMH-027-2
TO CN711 OF
SHEET 3/10
3
FMH-027-2
TO CN712 OF
SHEET 3/10
CN701
QGB2510K2-10
RELAY
INH.CTRL
CN702
QGB2510K2-10
SWFB
MAINR
MAINL
POUT
PRT
FL2
FL1
1K
R738
D737
1SS133
10K
R730
C726
10/25
100K
R727
KTA1268/GL/-T
R723
MTZJ33C
MTZJ15C-T2
1.5k
R724
10
R774
0.22
R754
R753
1.5k
D724
MTZJ33C
C709
10
R707
R713
56K
R715
C707
47/63
10
0.047
C713
820
R705
C715
0.047
C203
27K
R217
2
FL1
R234
47(1/2W)
R233
C233
47(1/2W)
C705
C706
2SC2235/OY/-T
Q713
220P
220P
0.22
C731
1K
R717
0.022
R761
1K
0.45
L701
Q701
D719
1SS133
10K
R721
R719
KTA1268/GL/-T
5.6K
R766
33k
R718
Q702
KTA1268/GL/-T
D720
R720
C722
10/35
56k
R704
470p
C704
470p
C703
56k
R703
C721
10/35
C730
1K
0.022
R762
1K
L702
0.45
R714
1SS133
10K
R722
5.6K
R750
150(1/4W)
C201
0.1
0.1
0.1
C202
C204C214
47K
R215
0.1
2200/35
C213
C212
R246
1
R247
47K
R216
C205
R209
R218
27K
C211
0.1
10K
C215
0.1
2200/35
D233
2A02M
2A02M
C253
3300/25
D234
1
1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
MAIN signal
ABCD E F G
SHEET 2/10
2-3
MX-J970V/MX-J980V
AV Electronic
D571
D572
RELAY
R435
R577
2.2/50
C467
KARAOKE
PRT
SURR
10k
1SS133-T2
1SS133-T2
100k
2SC2785/FE/-T
R534
R537
22/25
C468
1k
R472
C475
1/50
SMUTE
R466
R576
IC466
AUXMUTE
C535
100
C476
200
BA3837
47/16
C576
100k
47/16
Q573
100/10
R475
SHEET 4/10
TO CN860 OF
FMB-023-01
TUL
TUR
CDL
IC571
BA15218
C577
R575
47k
C575
R536
1.8K
R528
0.1
C530
22k
R529
C531
0.27
0.027
C527
100
R474
0.0068
R532
51K
R473
6.8K
100
R432
R572
R541
30k
VOLDA
47k
VOLCK
22k
SPISIG
BASS3
BASS2
R571
270
TO FW902 OF
FMH-027-03
CDR
SPISIG
100p
22k
R530
5.6k
C532
47/16
IC526
BA15218
R526
C526
100/10
B459
B458
B457
R431
30k
RECR
RECL
Function & Main amplifier section
CN870
100
2SC2785/FE/-T
C508
R506
22K
1.8K
R524
Q572
R523
8.2k
100
R582
2SC2785/FE/-T
0.027
C514
0.047
QGB1214J1-20S
R573
Q571
R581 R580
220k
C511
R470
C578
100/10
100
C574
100/10
2.2k
82k
R579
1/50
C528
0.1
IC502
100k
R510
BA15218
100
R520
20k
R467
R469
5.6k
10/25
4.7/50
10/25
C471
C466
C473
0.068
10/25
10/25
0.27
C472
C474
C470
C469
5.6k
22k
R471
R468
20k
J426
GP1FA550TZ
D426
MTZJ5.1B-T2
C426
0.022
C401
220P
C402
5
VMW1432
TO CN305 OF
SHEET 7/10
CN315
QGF1205F1-10
1SS133-T2
1SS133-T2
D411
1SS133-T2
D412
1SS133-T2
C415
D413
D414
C416
4
J411
3
2
C432
0.001
1
C433
0.01
220P
2.7k
R407
R403
4.7k
C404
R411
10k
C411
220p
R412
220p
10k
C412
R415
2SC3576-JVC-T
200
Q411
C413C414
R416
200 2SC3576-JVC-T
100/10
C512
R521
100
3.3k
3.3k
R502
R501
C501
4.7/50
CDL
PBL
AUXL
10/35
10/25
10/35
2.2/50
C439
C441
C443
C447
B156
2.2/50
10/35
2.2/50
0.018
C460
C450
C448
C449
R443
100k
2.7k
B157
R444
100k
R438
47/16
470/10
R404
4.7k
TUL
10/25
C445
0.022
C458
4.7/50
Q412
R413
R414
30k
R503
C502
C403
C446
C454
R426
390
C427
10/25
1K
1K
L401
R408
Q401
2SC3576-JVC-T
2SC3576-JVC-T
Q402
R419
10k
R420
2.2k
100k
C510
4.7/50
R508
0.27
0.022
0.018
C457
C459
2.7k
R441
C504
0.0056
C461
10k
0.0082
270k
C506
100/10
C436
0.0056
C462
RECL
RECR
QQR0779-001Z
5.6
MSI
PBMUTE
R405
2.2k
R406
AUXL
AUXR
RECL
R422
5.6K
RECR
R518
100k
IC501
BA15218
C509
4.7/50
100/10
10/25
R437
C437
R442
C507
10k
R436
10k
PBL
100
R509
1k
2.2k
PBR
KRA102M-T
AUXMUTE
R421
22k
D501
1SS133-T2
R505
100k
100k
R504
0.01
22K
R512
D502
R513
220k
220k
R511
VOLDA
C438
IC436
VOLCK
0.015
TDA7439
Q413
1SS133-T2
100/10
C513
100
R522
C503
0.22
R583
56K
R517
R401
R402
68k
68k
R417
2.2k
R418
R519
30k
R507
C505
TUR
PBR
CDR
AUXR
10/25
2.2/50
10/35
10/25
C442
C440
C444
0.1
0.1
0.1
0.1
C455
C453
C456
5.6k
5.6k
R440
R439
SHEET 5/10
ECHO1
BASS1
INH
2.2/50
C571
C489
ECHO2
MSI
PBMUTE
MTZJ5.1B-T2
C583
C534
47/16
100/10
CN912
QGD2503F1-05
SHEET 4/10
TO CN861 OF
FMB-023-01
ECHO1
KARAOKE
ECHO2
D434
R591
100
100/10
R487
R488
C481
0.022
CN871
QGB1214J1-20S
-35V
FL1
FL2
C435
M0.01u
C434
L434
R552
15k
R557
22k
Q556
2SC3576-JVC-T
R563
D431
100
R498
C483
82k
82k
0.022
C484
R486
C482
56k
0.022
R485
BASS1
MTZJ2.4B-T2
C485
56k
10/35
0.022
IC481
BA15218
R489
C486
10/35
R490
22k
22k
C487
1.5k
R495
R564
R434
QRJ146J-4R7X
AHBFB
HPL
HPR
IMP
SURR
CN612
QGB2510J1-11
13k
4.7k
R559
R558
R562
1K
Q562
30K
R560
R491
4.7k
R493
1K
R494
1K
R492
4.7k
2SC3576-JVC-T
Q481
2SC3576-JVC-T
Q482
2SC3576-JVC-T
Q558
Q557
22k
22k
R565
2SC3576-JVC-T
2SC3576-JVC-T
D432
D433
BASS2
MTZJ2.4B-T2
BASS3
MTZJ2.4B-T2
100
Q483
KRA101M-T
100/10
220
C488
R496
220/6.3
SMUTE
AHBFB
SMUTE
SURR
PRT
HPL
HPR
IMP
RELAY
C556
10/25
INH
-35V
FL1
FL2
C480
CN711
QGB2510J1-10
CN712
QGB2510J1-10
FMB-023-09
SHEET 2/10
FROM CN602 OF
FMH-027-1
FROM CN701 OF
SHEET 2/10
FMH-027-1
SHEET 2/10
FROM CN702 OF
CD signal
TAPE P.B. signal
TUNER signal
MAIN signal
MIC signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified.
SHEET 3/10
2-4
HABC DEFG
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