-15V
+15V
LGND
RGND
LGND
RGND
-15V
+15V
RGND
LGND
LGNDRGND
LGND
RGND
LGND
RGND
-15V
+15V
LGND
RGND
LGND
LGND
LGND
RGND
RGND
RGND
-15V
+15V
RGND
LGND
LGND
RGND
DNGRDNGR
LGND
LGND
LGND
RGND
RGND
RGND RGND
RGND RGND
LGND LGND
LGND LGND
LGND
RGND
LGNDRGND
DNGRDNGLDNGRDNGLDNGRDNGLDNGRDNGL
DNGRDNGLDNGRDNGL
RGND LGND
LGND
LGND
RGND
RGND
LGND
!
!
!
PHONO-L
CD-L
TUNER-L
R-OUT
R-OUT
REC IN-L
AUX-R
L-OUT
L CH
R CH
MAIN-POWER
MAIN-POWER
AC280V
AC28V
AC16V
AC16V
-15V
PHONO-R
CD-R
TUNER-R
AUX-L
L-OUT
L-OUT
R-OUT
FUNCTION-MOTOR
R-OUT
L-OUT
REC1-L
REC2-L
REC1-LOUT
REC1-R
REC2-R
REC IN-R
VEEVDD
CE
VSS
DATA
CLK
+15V
REC2-LOUT
REC1-ROUT
REC2-ROUT
MAIN-FRONT
SET
RES
0V
0V
0.1
0.1
220
1M
150P
0.022
0.022
150P
1M
220
220
1M
150P
0.022
0.022
150P
1M
220
220
1M
150P
0.022
0.022
150P
1M
220
220
1M
150P
0.022
0.022
150P
1M
220
220
1M
150P
0.022
0.022
150P
1M
220
10
1M
150P
0.022
0.022
150P
1M
10
10
1M
150P
0.022
0.022
150P
1M
10
1K
1K
1K
1K
10/50V
NC
NC
10
0.047(M)
0.047(M)
0
0
0
0
10
1K
1.5K
10(1/4W)
10(1/4W)
C2785Y
10/50V
47K
1W 0.47
1N4003
1N4003
1N4003
1N4003
NCNC
2200/25V
22K
22K
47/25V
47/25V
2
4
3
1
BU804F
4.7K
NC
NCNC
22K
22K
C2316Y
1.2K
22K
13V
3.3/50V
47K
4.7K
47/25V
120
120
120
A107M
6.8K
33K
10K
C3198
C3198
22K
22K
22/25V
47/25V
0.047
6.2V
1K
10K
0.022
22K
C2785Y
A1175Y
18k
33k47k
10K
10K
47k
82
C2785Y
C2785Y
82
47k
10K
0.01uF0.01uF
0.01uF
0.01uF
10K
10K
A1175Y
C2785Y
10K33k
82
33k
0.01
470
470
C2874B
C2874B
47K
47K
10K
NC
NC
0.022
1M
330
330
100/25V
100/25V
33K
6800U/50V6800U/50V
INOUT
GND
3
1
GND
OUTIN
3
2
2
1
2
4
6
8
1
3
5
7
9
CJJ4P058Z
2
4
6
8
1
3
5
7
9
CJJ4P058Z
2
4
6
8
1
3
5
7
9
CJJ4P058Z
+
-
-
+
+
-
+
-
1
2
3
4
5
6
7
8
9
10
2SC4467
0.22(3W)
0.22(3W)
0.01uF
C4883A
2SA1694
A1859A
220(1/4W)
10(1/4W)
10(1/4W)
47/25V
C3419Y
4.7K
A1024Y
C3206Y
150(1/4W)
150(1/4W)
33K
A1175Y
22K
6.8K
0.47/50V
22K
22K
C3200GR
33K
15K
A1268GR
470(1/4W)
15K
470(1/4W)
100
100/25V
2222
2222
100/25V
100
470(1/4W)
15K
470(1/4W)
A1268GR
15K
33K
C3200GR
150(1/4W)
1M
1M
150(1/4W)
C3206Y
A1024Y
4.7K
C3419Y
47/25V
10(1/4W)
10(1/4W)
220(1/4W)
A1859A
2SA1694
C4883A
2SC4467
47K
10(1/4W)
10(1/4W)
22K
22K
0.01uF
C2785Y
1.5K
1K
330P
330P
1k
1 1
GND
OUTIN
3
2
1
MC7805C
2 21 1
220/50V
220/50V
220/50V
220/50V
470P(M)
1M
1M
470P(M)
680 680
1
2
3
4
5
CJJ4N034Z
1
2
3
4
5
CJJ4N034Z
1
LAND
1
LAND
330
330
10/50
10/50
56K
56K
47K
47K
220
220
A1024Y
C3206Y
47(1/4W)
47(1/4W)
100(1/4W)
100(1/4W)
47(1/4W)
47(1/4W)
1k
C3206Y
A1024Y
100(1/4W)
100(1/4W)
NC
NC
320mH
320mH
100
220/25V
220/25V
100
330(1W)
330(1W)
22
0.022(M)
0.022(M)
1
LAND
1
LAND
1110987654321
2200/25V
6
5
4 2
3 1
6
5
4 2
3 1
0.1
470(1/2W)470(1/2W)470(1/2W)
470(1/2W)470(1/2W)470(1/2W)
3.3K(2W)
3.3K(2W)
3.3K(2W)
3.3K(2W)
22
22
22
100
100
100/25V
100/25V
100/25V
100/25V
16V
16V
16V
16V
15K
C3198YT
4.7K
10K 15K
21
321
100K
10/50
100
100K
220/16V
100
220/25V
82K
0.039u 0.01uF
1000P
6.8K
22/16V
330
100K
2200P
2200P
100K
330
22/16V
6.8K
1000P
0.01uF
0.039u
82K
100
220/16V
100K
100
10/50
100K
220/25V
22
22
100
100
220P
220P
8765
NJM2068M
P022P022
10/50
8765
NJM2068M
10/50
330
330
10/50
10/50
56K56K
47K
47K
100
220/25V
220/25V
100
2
7
1
8
34
65
CSL4A016ZU
A1268GR
C3200GR
A1268GR
C3200GR
C3200GR
A1268GR
A1268GR
C3200GR
C3200GR
C3200GR
A1268GR
22
A1268GR
0
0
123456789101112131415
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
LC78212
10K
1SS133M
4.7/50V
0.022
120
0.022
120
1N40031N4003
8765
NJM2068M
8765
NJM2068M
4321
NJM2068M
1000P
C3198YT
C3198YT
A1267Y
10K
1000P
10K
47/50V
33K
15K15K15K15K
22K
22K
22K
21
180
1K
10P
10P
470P
470P
220/25V
220/25V
1 SP
2SP
1234
5678
1234
123
1234
1234
1234
1234 1234
0.22(3W)
0.22(3W)
OVER CURRENT
DC OFFSET
R CH
L CH
L CH
R CH
!
-6
IMPROVEMENT OF PERFORMANCE
uF = 10 uF
** THE UNIT OF CAPACITANCE IS MICROFARAD (uF)
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
IMPORTANT FOR SAFETY.WHEN REPLACING ANY OF THESE COMPONENTS
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
K=1000 OHM, M=1000 KOHM.
** THE UNIT OF RESISTANCE IS OHM.
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTI
CS.
** IMPORTANT SAFETY NOTICE
!
! !
!
100C HEAT DETECT
HEAT
DC BALANCE DETECT
!
!
!
!
1W O.47
PROTECTOR
AMP MUTE
F MUTE
D GND
+5.6V
DATA
B-15
B+15
DC BALANCE
CLK
CE
CD
TUNER
PHONO
AUX
IN
REC-1
IN
OUT
OUT
REC-2
R CH
L CH
R CH
L CH
!
!
!
!
C123
C124
R201
R221
C221
C201
C202
C222
R222
R202
R204
R224
C224
C204
C203
C223
R223
R203
R207
R227
C227
C207
C208
C228
R228
R208
R206
R226
C226
C206
C205
C225
R225
R205
R211
R231
C231
C211
C212
C232
R232
R212
R210
R230
C230
C210
C209
C229
R229
R209
R214
R234
C234
C214
C213
C233
R233
R213
R235
R236
R237
R238
C286
L364
L363
R368
C368
C367
R364
R366
R365
R363
R367
R371
R375
R339
R337
Q371
C287
R285
R911
R912
D911
D912
D914
D913
C911
C912
C918
R920
R919
C919C920
D901
R901
C902
C901C903
R905
R906
Q921
R921
R914
D921
D922
C914
R915
R913
D915
C923
R275
R274
R273
Q924
R927
R923
R929
Q922
Q923
R926
R925
C926
C927
C928
D925
D923
R922
D924
R928
C929
R924
Q392
Q391
R392
R391
R394
R393
D391
D392
R395
R396
R399
Q393
Q394
R400
R398
R397
C391C392
C394 C393
D388
R385
R386
Q386
Q385
R388
R387
D383
R390
R389
C385
R286
R287
Q282
Q281
R281
R282
R280
C281
C282
C283
R283
R279
R278
C921
C922
R382
C905
C906
IC94
IC93
JK12
JK13
JK14
JK31
Q355
R359
R361
C373
Q351
Q357
Q353
R353
R355
R357
C345
Q345
R343
Q325
Q335
R335 R327
R381
Q379
R377
R379
C379
R373
D373
R383
Q309
R307
D305
R309
Q315
R315
R313
R321
R305
C305
R317R319R318 R316
C304
R304
R320
R312
R314
Q312
R308
D306
R306
Q308
R328R324
R322
R336
Q336
Q326
R344
Q346
C346
R358
R356
R354
Q354
Q358
Q352
R362 R360
Q356
R284
R338
R340
D374
R374
R378
C374
Q372
R376
R372
C289
C288
R341
CN35
CN33
IC95
CN37
CN38
C342C344
C343
C341
C307
R323
R325
C306
R334 R333
JK15
JK11
GND1
J13
J14
R241
R242
C236
C235
R246 R245
CN12
R243
R244
VR32
VR31
Q349
Q347
R351
R349
R345
R347
R352
R350
R342
Q348
Q350
R348
R346
GND2
GND3
L102
L101
R247
C237
C238
R248
R691
R692
J101
J102
CN55
C395
C396
JW11-2
JW11-1
CN95
C917
RY33
RY32
CN92
C913
R294R292R290
R295R293R291
D307D308
R311
R299
R310
R298
R300
D302D304
R301R303
D301D303
R289
R288
C309
C311
C310
C312
D309
D311
D310
D312
R943
Q917
R940
R942 R941
TH91
CN90
R103
C105
R101
R105
C109
R109
C121
R111
C111 C113
C115
R113
C117
R117
R119
C119
C120
R120
R118
C118
R114
C116
C114
C112
R112
R110
C110
R106
R102
C106
R104
C122
R121
R122
R115
R116
C104
C103
IC11
C102
C101
C216
IC22
C215
R217
R218
C218
C217
R216R215
R219
R220
R239
C219
C220
R240
RY31
Q305
Q313
Q311
Q307
Q303
Q301
Q306
Q310
Q314
Q304
Q302
R302
Q316
R297
R296
IC21
R251
D251
C241
C240
R249
C239
R250
D916
D917
IC31
IC32
IC23
C242
Q920
Q919
Q918
R953
C940
R947
C939
R952
R948R950
R944
R945
R946
R949 R951
BN97
R918
J514
J425
J330
J614
J527
J528
J708
D178
J328
J329
R939
C300
C301
C243
C244
J613
J807
J525
C246
C245
U-PRO &
TONE PWB
HEADPHONE
PWB
U-PRO & TONE PWB
SUB TRANSF. PWB
TRANSF.1 PWB
TRANSF.1 PWB
U-PRO & TONE PWB
MASTER VOLUME PWB
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