M5219P
()
IC301
IC302
DIFFERENTIALAMP
3
2
1
Q353
(Q354)
Pre
drive
Q357,361
(Q358,362)
Driver
CLASS AABRIDGE
S604
(A+B)
S603
(B)
S602
(A)
S601
(OFF)
D617
48
Floating
power
supply
–B2
(-B3)
Switching
+B2
(+B3)
D612
D613
D610
D611
D608
D609
D614
D615
Q503
Q301,303,
Q305,307
(Q302,304,
Q306,308)
6
(4)
Rect.
SPEAKER SELECTOR
Q351
ICQ
(Q352)
adj.
Q355
(Q356)
Pre
drive
BA6138
IC501
METER DRIVE AMP
1/2 Square
compresser
59
+B1
+B1
D626,
640,
641
14
1
3
2
7
5
4
6
8
10
9
12
11
13
MN400IB
IC601
Q359,363
(Q363,364)
Driver
8(2)
7(3)
D605
D606
+
D601
D602
VR501
(VR502)
(METER
ADJ.)
D603
D604
D607
D616
M5218AP
IC502
BUFFER AMP(METER)
+B1
–B1
48
D503
1
(7)
Q602
RELAY
DRIVE
D628
D620
(B)
3(5)
2(6)
Q601
RELAY
DRIVE
D627
D619
(A)
Q603
LED DRIVE
Q604
LED DRIVE
(D504)
D507
(D508)
Q651
Power
supply
Rch
POWER
METER
D629
D618
(A+B)
-B1
D625
D624
RL653
RL651
HEADPHONES
A
SPEAKERS
B
RL652
+B1
Notes
Signal line : Source signal
( ) indicates pin No. Right channel.
(For United Kingdom)
(“EB” area code model only)
For your safety, please read the following text carefully.
This appliance is supplied with a moulded three pin
mains plug for your safety and convenience.
A 5-ampere fuse is fitted in this plug.
Should the fuse need to be replaced please ensure that
the replacement fuse has a rating of 5-ampere and that it
is approved by ASTA or BSI to BS1362.
Check for the ASTA mark or the BSI mark on the
body of the fuse.
If the plug contains a removable fuse cover you must
ensure that it is refitted when the fuse is replaced.
If you lose the fuse cover the plug must not be used until
a replacement cover is obtained.
A replacement fuse cover can be purchased from your
local dealer.
CAUTION!
IF THE FITTED MOULDED PLUG IS UNSUITABLE
FOR THE SOCKET OUTLET IN YOUR HOME THEN
THE FUSE SHOULD BE REMOVED AND THE PLUG
CUT OFF AND DISPOSED OF SAFELY.
THERE IS A DANGER OF SEVERE ELECTRICAL
SHOCK IF THE CUT OFF PLUG IS INSERTED INTO
ANY 13-AMPERE SOCKET.
WARNING: DO NOT CONNECT EITHER WIRE TO THE
EARTH TERMINAL WHICH IS MARKED WITH THE
LETTER E, BY THE EARTH SYMBOL OR
COLOURED GREEN OR GREEN/YELLOW.
THIS PLUG IS NOT WATERPROOF—KEEP DRY.
Before use
Remove the connector cover.
How to replace the fuse
The location of the fuse differ according to the type of AC
mains plug (figures A and B). Confirm the AC mains plug
fitted and follow the instructions below.
Illustrations may differ from actual AC mains plug.
1. Open the fuse cover with a screwdriver.
Figure A
Figure B
Fuse cover
If a new plug is to be fitted please observe the wiring
code as shown below.
If in any doubt please consult a qualified electrician.
IMPORTANT
The wires in this mains lead are coloured in accordance
with the following code:
Blue: Neutral, Brown: Live.
As these colours may not correspond with the coloured
markings identifying the terminals in your plug, proceed
as follows:
The wire which is coloured Blue must be connected to
the terminal which is marked with the letter N or coloured
Black or Blue.
The wire which is coloured Brown must be connected to
the terminal which is marked with the letter L or coloured
Brown or Red.
2. Replace the fuse and close or attach the fuse cover.
Figure A
Fuse
(5 ampere)
Figure B
Fuse
(5 ampere)
“A” terminals
“B” terminals
Right speaker
(not included)
Right speaker
(not included)
Left speaker
(not included)
Left speaker
(not included)
A
Right speaker
(not included)
SE-A3000 SE-A3000
Left speaker
(not included)
SU-C3000
B
Right speaker
(not included)
SE-A3000 SE-A3000
Left speaker
(not included)
SU-C3000
1
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
2
A
Headhones
(not included)
B
Power meter light switch
A
O
B
SPEAKER TERMINAL(L) P.C.B.
C
DE
F
1
( A )
SPEAKERS (Lch
)
( B )
2
C655
L651
C651
W651-2 W655-1
JK651
W655-2
W651-1
C657
C653
L653
3
(REP1615D-M)
CAPACITOR P.C.B.
M
4
C704
W702-3
W702-2
W702-1
C703
W701-3
W701-2
W701-1
5
C702
6
7
INPUT TERMINAL P.C.B.
A
DIRECT NORMAL
E
R
L
C192 C193 C194
C191
L191
R191
R192
L192
L193
E
R
L
L194
R193
R194
(R)(
JK101
C701
(REP2720A-P)
LEVEL
CONTROL
)
L
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No.
SPEAKER TERMINAL(L) P.C.B.
O
L651
L653
W651-1
W651-2
W655-1
W655-2
M
W701-1
W701-2
W701-3
W702-1
W702-2
A
VR191
VR192
L191
L192
L193
L194
CP191A
JK101
R191
3B
JK651
3D
C651
3D
C653
3C
C655
3C
C657
3D
CAPACITOR P.C.B.
W702-3
5D
C701
5D
C702
5D
C703
5B
C704
5B
INPUT TERMINAL P.C.B.
8D
R192
8C
R193
7A
R194
7B
R195
7B
R196
7B
C191
8B
C192
7B
C193
7A
C194
2C
2C
2D
2B
2D
5B
5C
5B
4C
4B
7A
7B
7B
8B
8B
7A
7B
7B
7B
R196
R195
J
CP191A
312
VR192
VR191
(REP2720A-P)
J
8
A
SPEAKER SELECT LOGIC P.C.B.
H
B
C
DE
F
1
W604
2
3
4
5
D641
6
D619
(A)
R617
)
D620
(B)
SPEAKERS
R620
(
7
R613
D629
D618
(A+B)
8
(REP1616D-S)
2134
D640
Q601
Q602
Q603
Q604
D626
D627
R619
R612
D603
D604
R624
C610
J
IC601
14
13
12
11
10
9
8
D601
BCE
R616
R607
J
BCE
R609
BCE
R610
BCE
2134
W505
J
D628
D607
D616
R622
D623
J
1
2
3
4
5
6
7
R606
D602
D606
D612
D610
D613
R608
R605
R611
1345
R621
CP501
2
1
J
CP603
4
3
2
1
CP551
5
4
3
2
1
CP601
10
9
8
7
6
5
4
3
2
1
CP502
2
1
D624
R603
J
D605
D608
D611
J
2
CP602
D609
D617
C603
C604
R604
R602
C602
C601
R601
D615
R623
J
D625
D614
LAMP(B) P.C.B.
C
W505-4
J
W505-3
LAMP(A) P.C.B.
B
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No.
SPEAKER SELECT LOGIC P.C.B.
PL501
J
PL506 PL504 PL502
PL505 PL503
J
PL508
PL510
PL512
PL514
PL516
PL515 PL513 PL511 PL509 PL507
(REP1616D-S)
J
W505-2
(REP1616D-S)
W505-1
H
IC601
Q601
Q602
Q603
Q604
D601
D602
D603
D604
D605
D606
D607
D608
D609
D610
D611
D612
D613
D614
D615
D616
D617
D618
D619
D620
D623
D624
D625
D626
D627
D628
D629
D640
D641
LAMP(B) P.C.B.
C
PL502
PL504
PL506
PL508
PL510
LAMP(A) P.C.B.
B
PL501
PL503
PL505
PL507
PL509
CP501
6A
CP502
6A
CP551
7A
CP601
7A
CP602
8A
CP603
6A
W505
6B
W604
8A
R601
8A
R602
6B
R603
6B
R604
8B
R605
7B
R606
7B
R607
7B
R608
7B
R609
7B
R610
7B
R611
7B
R612
7B
R613
8B
R616
7B
R617
7A
R619
6A
R620
7A
R621
2B
R622
5B
R623
5B
R624
6A
C601
7A
C602
7A
C603
7A
C604
6A
C610
5A
PL512
2C
PL514
3C
PL516
3C
W505-3
4C
W505-4
5C
PL511
2D
PL513
3D
PL515
4D
W505-1
4D
W505-2
5D
2B
5B
3B
4B
8B
3B
8A
1A
6B
6B
5B
6B
8B
6B
7A
8B
7A
8A
8B
7A
7A
7A
7A
7A
7A
2B
1B
2B
1A
6B
6B
6B
6B
5A
6C
7C
7C
2C
2C
6D
7D
8D
8D
8D
A
B
C
DE
F
1
LED P.C.B.
G
W604
1
2
3
4
2
(REP1616D-S)
VOLTAGE CONTROL AMP(L) P.C.B.
I
D622
(CURRENT
DRIVE)
(
AMPLIFIER OPERATION MOTOR
D621
(VOLTAGE
CONTROL)
)
LIGHT SW P.C.B.
E
C551
OFF ON
S551
(
(REP2720A-P)
METER LIGHT
W551
4
3
2
C552
)
1
3
J
R327
C301
R303
R315
R313
R329
R323
R309
R305
R307
R301
C321
CP301
213
R321
R319
Q307
BCE
C315
BCE
Q303
C311
D307
45678
D303
J
VR301
R325
CP201
6
5
4
3
2
1
4 23
1
J
D305
R317
Q305
BCE
C313
D301
BCE
Q301
C309
J
J
TP301
CP303
213
4
5
J
C319
C317
R253
R255
TH251
R257
VR251
J
R273
R271
3 21
45
J
J
Q261
BCE
J
D267
D263
J
D257
D265
Q257
J
R275
D261
C253
R263
R267
C259
BCE
D255
C255
Q259
BCE
J
R269
C251
R261
R265
D259
R277
Q265
G
D
J
S
Q253
B
C
E
Q263
G
D
S
J
R311
C305
C303
C307
4321
IC301
5678
J
J
D253
BCE
C257
Q255
TP251
6
(REP1615D-M)
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No.
LED P.C.B.
G
7
D621
LIGHT SW P.C.B.
E
S551
VOLTAGE CONTROL AMP
I
IC301
Q253
Q255
Q257
Q259
8
Q261
Q263
Q265
Q301
Q303
Q305
D622
1C
2E
W551
5D
Q307
5C
D253
5D
D255
4C
D257
5C
D259
4C
D261
5C
D263
5C
D265
5E
D267
5E
D301
4E
D303
1B W604
2F
(L)
P.C.B.
4E
5D
5C
5C
4C
5C
4C
5C
4C
5E
5E
C551
D305
D307
VR251
VR301
TH251
CP201
CP301
CP303
TP251
TP301
R253
1A
C552
2E
4E
4E
5B
6E
5B
5F
3E
3B
5B
6F
5B
R255
R257
R261
R263
R265
R267
R269
R271
R273
R275
R277
2E
R301
5B
R303
5B
R305
5C
R307
4C
R309
5C
R311
4C
R313
5C
R315
5B
R317
5B
R319
5C
R321
4C
4D
R323
4D
R325
3D
R327
4D
R329
3D
C251
4D
C253
5D
C255
5D
C257
4E
C259
4E
C301
4E
C303
3D
C305
4F
C307
4D
C309
5D
C311
5C
C313
4C
C315
5C
C317
5D
C319
4C
C321
4D
4D
4D
4D
5E
5E
4E
4E
4B
4B
4D
A
MAIN P.C.B.
D
B
C
DE
F
1
W202
6
5
4
3
2
1
2
W601
10
9
8
7
6
5
4
3
W201
6
5
4
3
2
1
W403
11
10
2
1
J
9
8
7
6
5
4
3
2
1
3
4
R516
R521
C510
J
R520
Q503
B
C
E
C508
R529
R519
C509
D504
IC502
34
D507
R517
R530
D503
R523
R518
D508
8765
12
D502
TH501
R507
D501
TH502
R525
R527
R526
R528
J
R508
R524
J
R511
J
R512
R531
Q451
R532
987654321
R515
R513
D505
C505
R506
C506
D451
J
J
J
987654321
B
C
D453
R456
E
C455
C454
C504
D506
R504
D452
IC501
C502
R502
R457
IC451
C453
R455
C501
R501
R451
C452
R452
R505
R454
C503
R503
C451
J
Q210
B
C
C232
Q208
B
C
E
R222
C230
C231
Q207
B
C
E
C229
J
R221
Q206
Q209
Q205
E
B
C
E
R220
B
C
E
B
C
E
R219
C218
C220
R216
C219 C217
R215
R218
R217
Q204
C222
Q203
C221
R214
B
C
E
D208
R213
B
C
E
D207
C226
C225
R212
Q202
R211
Q201
C228
R226
R224
R230
B
C
E
J
B
C
E
J
C227
R210
J
R225
R223
R229
R209
J
R228
C214
IC202
R227
C213
IC201
R208
R207
R206
R205
C208
C216
C207
C215
R204
18171610
1231541451361271189
R203
18171610
1231541451361271189
5
(REP1616D-S)
SPEAKER SW P.C.B.
6
7
F
CN602
1
2
3
4
5
(REP1616D-S)
(A)(B)(A+B)
J
(
)
SPEAKERS
(
S601S602S603S604
OFF
)
8
G
J
Q210
B
C
C230
C229
C232
Q208
C231
Q207
C218
E
Q206
B
B
C
C
E
E
R222
R220
Q209
B
C
E
Q205
B
B
C
C
E
E
R221
R219
C220
R216
C219 C217
R215
R218
R217
Q204
C222
Q203
C221
R214
B
C
E
D208
R213
B
C
E
D207
C226
C225
R212
Q202
R211
Q201
C228
R226
R224
R230
R228
B
C
E
J
J
C227
B
C
E
J
J
R225
R223
R210
R229
R209
C214
IC202
R227
C213
IC201
R208
R207
R206
R205
C208
C216
C207
C215
H
C210
C206
C224
C204
R204
18171610
J
1231541451361271189
J
C209
C205
C223
C203
R203
18171610
1231541451361271189
JJJ
J
I
R202
C202
J
JK
J
R104
R201
VR502
R510 R509
C201
VR501
R103
CP191B
1
2
3
J
J
L
J
J
E101
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No.
MAIN P.C.B.
D
IC201
IC202
IC451
IC501
IC502
Q201
Q202
Q203
Q204
Q205
Q206
Q207
Q208
Q209
Q210
Q451
Q503
D207
D208
D451
D452
D453
F
S601
4G
2G
4D
2D
2B
4F
2F
4F
2F
4E
2E
4E
2E
4E
2E
4C
3B
4F
3F
3C
4C
4C
SEAKER SW P.C.B.
7D
D501
D502
D503
D504
D505
D506
D507
D508
VR501
VR502
TH501
TH502
CP191B
W201
W202
W403
W601
E101
R103
R104
R201
R202
3B
3B
3B
2B
3C
3C
3B
2B
4J
4J
2B
2C
2L
4A
1A
3A
2A
4L
2K
2J
2J
2I
S602 S603
7D 7C
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
4H
2H
4H
2H
4H
2H
4G
2G
4F
2F
4F
2F
4E
3E
4F
3F
4E
3E
4E
3E
4G
2G
R225
R226
R227
R228
R229
R230
R451
R452
R454
R455
R456
R457
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
S604
4F
2F
4G
2H
4G
2G
3D
3D
4D
4D
4C
3D
3D
3D
3D
3C
3D
3C
2C
2C
4J
4J
R511
R512
R513
R515
R516
R517
R518
R519
R520
R521
R523
R524
R525
R526
R527
R528
R529
R530
R531
R532
C201
C202
CN6027B7B
C203
3C
C204
3C
C205
2C
C206
2C
C207
3A
C208
3B
C209
3B
C210
3B
C213
3B
C214
3B
C215
3B
C216
2C
C217
2C
C218
2C
C219
3C
C220
3C
C221
3B
C222
2B
C223
2C
C224
2C
C225
2J
C226
2I
4H
2H
4H
2H
4H
2H
4H
2H
4G
2H
4H
2H
4E
2E
4E
2E
4F
3F
4H
2H
4F
3F
C227
C228
C229
C230
C231
C232
C451
C452
C453
C454
C455
C501
C502
C503
C504
C505
C506
C508
C509
C510
4F
2F
4E
3E
4E
2E
4D
4D
4D
4D
3C
3D
3D
3D
3D
3C
3C
4B
3B
3B
A
VOLTAGE CONTROL AMP(R) P.C.B.
J
B
C
DE
F
1
CP202
1
2
3
4
5
6
R326
321
TP302
1 32
4
TP252
C318
C320
1 23
R274
R272
J
J
VR252
R258
TH252
R256
2
R254
3
CP304
453
J
21
Q266
G
D
S
Q254
B
C
E
Q264
G
D
S
D258
D266
C258
J
R276
D264
D262
R278
D268
R264
R268
D260
C260
C256
Q260
BCE
C252
R262
R266
Q256
BCE
D254
C254
Q262
BCE
D256
BCE
Q258
J
R270
R316
R330
4321
R314
IC302
C306
J
C304
R312
C308
5678
R304
R328
C302
C322
R302
R308
R306
R310
R324
J
J
Q302
BCE
Q306
BCE
J
J
C310 C312
D302
C314
R318 R320
D306 D308
J
Q304
BCE
D304
C316
J
BCE
Q308
R322
CP302
786
VR302
54
4
(REP1615D-M)
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No.
VOLTAGE CONTROL AMP(R) P.C.B.
J
IC302
Q254
SPEAKER TERMINAL(R) P.C.B.
5
P
( B )
SPEAKERS (Rch
)
( A )
6
C658
L654
C654
JK652
W656-2W652-2
W652-1W656-1
C656
C652
L652
7
(REP1615D-M)
8
Q256
Q258
Q260
Q262
Q264
Q266
Q302
Q304
Q306
Q308
D254
D256
D258
D260
D262
D264
D266
D268
D302
D304
D306
D308
VR252
VR302
TH252
CP202
CP302
CP304
TP252
TP302
R254
R256
R258
R262
R264
R266
SPEAKER TERMINAL(R) P.C.B.
P
L652
L654
W652-1
W652-2
W656-1
W656-2
R268
R270
R272
R274
R276
R278
R302
R304
R306
R308
R310
R312
R314
R316
R318
R320
R322
R324
R326
R328
R330
C252
C254
C256
C258
C260
C302
C304
C306
C308
C310
C312
C314
C316
C318
C320
C322
2C
2D
2B
2B
2C
1C
3D
3D
3D
3D
4D
3D
2D
2D
3E
3E
3E
4D
3F
3D
2D
3C
1D
2C
3C
2C
3D
3D
3D
3D
2E
2E
2E
2E
3B
3B
3D
6C
7C
6B
6D
6B
2D
2C
3C
2D
2C
2D
2C
2C
2E
2E
3E
3E
3C
2D
2C
2C
3C
2C
3C
2C
2E
2E
3E
3E
2B
1E
2B
2E
4E
4B
1B
1F
2B
2B
2B
3C
2C
3C
7D
JK652
7B
C652
7C
C654
7B
C656
7C
C658
7B
A
CURRENT DRIVE AMP(L) P.C.B.
1
K
B
C
DE
F
R365
CN301
213
45678
R379
C360
C358
CN304
213
R366
45
ECB
Q351
C351
R381
R376
R383
D401
R353
R351
TH351
R401J
Q401
BCE
R403
(REP1615D-M)
E
CB
Q361
J
C359
R371
R375
2
W401
2
31
C715
E701
3
C719
CURRENT DRIVE AMP(R) P.C.B.
4
L
C352
5
C717
CP703
1
2
3
C713
ECB
Q352
R354
R352
TH352
213
CN303
213
R703
CN302
45
E
R372
C357
45
D705
D707
D701
D703
R405
CB
Q362
678
E
CB
Q357
J
R367
R701
E
Q358
R364
J
J
R368
J
J
CB
Q354
R359
R360
R363
J
J
J
CP701
2
R398
Q356
ECB
ECB
R397
Q355
ECB
ECB
J
13
J
E
CB
Q359
J
J
R369
J
Q353
L3
5
1
C353
E
CP655
1
2
CB
C707C705
Q360
J
R370
J
R704
E
R361
R373
R357
R355
C355
W351-1 W351-2
E
R362
R374
J
CB
Q363
J
J
R377
CB
Q364
JJ
W402
2
13
C716
1
2
3
3E
2B
2B
3C
3D
3B
3A
6C
5E
5E
6C
6D
6F
6F
C720
C717
C719
C718
C720
E702
3B
3A
6F
7F
CP702
2
J
J
13
C708
1C
R373
1E
R375
1C
R377
2E
R379
2C
R381
2D
R383
2B
R397
R374
4C
R376
5D
R378
5B
R380
4E
R382
5C
R384
5D
R398
5B
D702
D704
D706
D708
R406
2E
2B
3E
3E
3E
3F
1D
5E
5E
6A
6B
6B
6B
4C
R401
R403
R405
R701
R703
C351
C353
R402
R404
R406
R702
R704
C352
C354
3F
3F
3B
2C
3B
2E
3D
6A
6A
7E
6E
5D
5A
6B
R702
C355
C357
C359
C705
C707
C713
C715
C356
C358
C360
C706
C708
C714
C716
C718
CP704
C714
R404 R402
Q402
BCE
6
D402
(REP1615D-M)
7
8
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No.
CURRENT DRIVE AMP(L) P.C.B.
K
L
1F
Q351
2D
Q353
2D
Q355
1C
Q357
1D
Q359
1B
Q361
1E
Q363
CURRENT DRIVE AMP(R) P.C.B.
4B
Q352
5C
Q354
5C
Q356
4C
Q358
4D
Q360
4B
Q362
4E
Q364
R378
Q401
D401
D701
D703
D705
D707
TH351
Q402
D402
D702
D704
D706
D708
TH352
R380
J
R358
C356
R356
R382
3F
3F
3B
3B
3B
3B
2F
6A
6A
6E
6E
6E
6E
5B
R384
W352-2 W352-1
L351
CN301
CN303
CP655
CP701
CP703
W351-1
L352
CN302
CN304
CP656
CP702
CP704
W352-1
C354
3D
2E
2B
3D
3C
3B
3E
6C
5B
5E
6C
6D
6F
6C
CP656
1
2
W351-2
W401
E701
R351
R353
R355
R357
W352-2
W402
E702
R352
R354
R356
R358
L352
C706
R359
3E
R361
3A
R363
3A
R365
2F
R367
2F
R369
3E
R371
3E
6B
R360
6F
R362
6F
R364
5B
R366
5B
R368
6B
R370
6C
R372
A
RELAY P.C.B.
N
B
C
DE
F
1
ELECTRICAL PARTS LOCATION
Ref. No. Lo. No. Ref. No. Lo. No.
RELAY P.C.B.
N
Q651
D651
D652
D653
D751
D752
D753
D754
L353
L354
RL651
RL652
RL653
CP351
CP352
CP401
CP402
CP403
CP405
CP406
CP651
CP652
W603
W653
R385
R386
Q
R
S1
CP1
CP653
JK653
2C
3C
3C
2C
2B
2A
2B
2A
3D
3A
3C
3B
2C
3E
3A
2E
2A
1C
1C
1B
4E
4A
1B
1D
3D
3B
FUSE P.C.B.
L1
6B
F1
7B
F2
7C
CP2
6B
CP3
5C
CP4
5B
POWER SW P.C.B.
7E
7E
7F
6F
R387
R388
R389
R390
R391
R392
R393
R394
R453
R651
R655
R656
R657
R658
R659
R660
R661
R751
R752
C361
C362
C363
C364
C751
C752
W1-1
W1-2
FC1
FC2
FC3
FC4
C1
C659
C660
3D
3B
3D
3B
3C
3B
3D
3B
2C
2C
3C
3C
3C
3C
3C
3C
2C
2B
2B
3D
3B
3D
3B
2B
2C
7B
7B
7B
7C
7B
7C
7E
7F
7F
R751
C751
R752
C362
R394
W603
C364
RL652
6
21
43
CP406
42
1 423
3
D752
D754
D751
D753
R386
R388
CP402
CP352
CP652
1
2
1
2
3
1
2
L354
2
3
4
(REP1615D-M)
FUSE P.C.B.
Q
1 423
J
R390
R392
5
J
C752
CP405
R453
D652
R657
R656
11
9876
10
D653
R651
652
J
J
R660
R659
6
D651
21
43
CP403
RL653
1
R391
RL651
5432
4
3
C363
R389
5
1
Q651
B
C
R661
E
R658
R655
1
C361
R393
J
J
R387
W653
J
R385
23
1
CP401
1
2
3
CP351
1
2
L353
CP651
1
2
5
CP4
321
CP2
321
L1
CP3
32
1
POWER SW P.C.B.
R
PHONES
6
G
CP1
R
L
JK653
1
2
3
C659
C660
CP653
321
(REP1616D-S)
S1
(
)
POWER
F1 T2A
7
W1-1
FC3 FC1
W1-2
F2 T2A
FC4 FC2
C1
8
(REP2720A-P)
INPUT
C220
DIRECT
NORMAL
C219 100V1
47K
R215
0.1
C221
330K
R103
100V1
47K
R216
0.1
C222
330K
R104
JK101
JK101
C201
25V22
C202
25V22
INPUT TERMINAL CIRCUIT
(P.C.Board:on page 23)
Lch
Rch
Lch
Rch
R209
560
R210
560
R201
470
R202
470
L191
R191
560
82P
C191
R192
82P
560
C192
L192
VR191 20K(A)
(LEVEL CONTROL L)
L193
R193
560
82P
C193
R194
82P
560
C194
L194
C213
330P
1 2 3 4 5 6 7 8 9
C215
82P
18K
220P
C203
R203
C214
330P
1 2 3 4 5 6 7 8 9
C216
82P
18K
220P
C204
R204
CP191A PL508 PL506 PL504 PL502
1
2
3
2.2K
R195
R196 2.2K
VR192
20K(A)
(LEVEL
CONTROL R)
CP191B
33K
R229
0.3V0.3V
R207
18K
C207
27P
1.2K
R205
C205
25V220
33K
R230
0.3V0.3V
0.3V0.3V10.9V 50.2V 13.2V
R208
18K
C208
27P
1.2K
R206
C206
25V220
C217
R227
1/4W3.3K
49.7V51.2V0.3V0.3V10.9V 50.2V 13.2V
R225
R223
1/4W3.3K
220P
C209
C218
R228
1/4W3.3K
49.7V51.2V
R226
R224
1/4W3.3K
220P
C210
123
C223
1000P
100V1
33K
Q201 204
2SA1123RSTTA
PRE DRIVE
C224
1000P
100V1
33K
LAMP (B) CIRCUIT
CA
(P.C.Board:on page 24)
PL510 PL512 PL514 PL516
LAMP (A) CIRCUIT
B
(P.C.Board:on page 24)
PL507 PL505 PL503 PL501
PL509 PL511 PL513 PL515
MAIN CIRCUIT
D
51.3V
51.2V
50.2V
Q209
38.6V
Q201
50.2V
Q202
50.2V
101112131415161718
R211
51.3V
51.2V
101112131415161718
R212
51.2V50.2V49.7V51.2V
1/4W
51.2V50.2V49.7V51.2V
1/4W
50.3V
IC201
AN7062N
VOLTAGE AMP
2.2V
51V
100
Q205 208
2SC2631RSTTA
PRE DRIVE
2.2V
51V
100
C227
Q210
50.3V
IC202
AN7062N
VOLTAGE AMP
27P
C228
27P
38.6V
Q205
50.3V
50.2V
Q206
50.3V
W505 3
4
W505
W505 2
1
W505
(P.C.Board:on pages 26,27)
Q203
Q204
R213
1/4W100
51V
38.6V
Q207
50.3V
50.3V
51.1V
R219
R221
1/4W100
1/4W100
27P
C229
51.2V
Q209,210
2SA1123RSTTA
PRE DRIVE
R214
1/4W100
51V
38.6V
Q208
50.3V
50.3V
51.1V
R220
R222
1/4W100
1/4W100
27P
C230
51.2V
2.5V
51.1V
C231
0.01
2.5V
51.1V
C232
0.01
:POSITIVE VOLTAGELINE
:NEGATIVEVOLTAGE LINE
:SOURCE SIGNAL LINE
LIGHT SW CIRCUIT
E
(P.C.Board:on page 25)
OFF ON
S551
(METER
LIGHT)
R217
1/2W8.2K
D207
C225
100V1
MA4160MTA
C
A
D
B
E
R218
1/2W8.2K
C226
100V1
W202 W201
)
B(3)
B(3)
GND
OUT(
OUT( )
J
To VOLTAGE
CONTROLAMP(R)
CIRCUIT (CP202)
on page 20
0.01
C551
0.01
C552
D208
MA4160MTA
AB ECD
51.3V
1 2 3 4 5 61 2 3 4 5 6
B(2)
NFB
GND
I
To VOLTAGE
CONTROLAMP(L)
CIRCUIT (CP201)
on page 20
W551
51.2V
B(2)
E101
)
OUT(
4
3
2
1
NFB
OUT( )
SPEAKER SELECT LOGIC CIRCUIT
H
(P.C.Board:on page 24)
:POSITIVE VOLTAGELINE
:NEGATIVEVOLTAGE LINE
N
To RELAYCIRCUIT
(W603) on page 22
SPEAKER SW
F
CIRCUIT
(P.C.Board:on page 26)
S604
(A+B)
S603
(B)
S602
(A)
S601
(OFF)
(SPEAKERS)
LED CIRCUIT
G
(P.C.Board:on page 25)
W505
4
3
2
1
CP603
4
LAMP(2)
3
GND(2)
2
GND(1)
1
LAMP(1)
CP551
5
4
3
2
1
CN602 CP602
1
1
2
2
3
3
4
4
5
5
W604W604
4
4
3
3
2
2
1
1
IC601
TC4001BPN
SPEAKER
SELECTOR
A
B
C
D
R624
150
R622 330
R623 470
R621 470
0.01
47K
R601
C601
0V 14.2V 0.1V 14.2V 0V 0.1V
8 9 10 11 12 13 14
0V 14.2V 0V 0V 14.2V 14.2V0V
47K
0.01
R603
C603
D640,641
MA185TA
D623
MA4036MTA
CP601
C602
0.01
47K
0.01
C604
R604
D626
MA165TA
D641D640
1 2 3 4 5 6 7 8 9 10
R602
47K
C610
35V10
EF
D627 629
MA4051MTA
R606
4.7K
D602
1234567
D601
R607
4.7K
Q601
13.5V
13.9V
Q602
D608
D609
D610
D611
D612
D613
D614
D615
D601
MA165TA
D617
MA165TA
D605
R608 22K
R605 22K
D606 D607
616
D603
D604
R611
D616
47K
14.4V
0.6V
R609
22K
Q604
0.1V
R610
10K
B
A
C
D
Q603
14.4V
14.3V
14.4V
13.9V
0V
9.7V
CP501
CP502
R612
R613
220
330
R616
D627
R619
D628
Q601,602
2SA1048ABCTA
RELAYDRIVE
Q603,604
2SC2458ABCTA
LED DRIVE
D625 MA165TA
D624 MA165TA
F E
1
2
1
2
D618
(A+B)
D629
D619 (A)
220
R617
330
D620 (B)
220
R620
330
D618
620
C
LN846RP
(POWER METER)
(Lch) (Rch)
D621 LN446YP C
R451
56K
1 2 3 4 5 6 7 8 9 10 11
GND
PROT
Lch IN
N
To RELAYCIRCUIT
(CP403) on page 22
D622 LN846RP C
(VOLTAGE CONTROL)
(CURRENT DRIVE)
DC
DETACDET
1 2 3 4 5 6 7 8 9
0V 0V 0V
R452
47K
15K
R454
C451
10V330
A
B
AC
RELAY(B)
B(1)
RELAY(A)
RELAYCONT
Rch IN
B(1)
W403
GND
C452
MUTING
0.022
R455
IC451
AN7073
MUTING / PROTECTION
OUTPUT
SHINK
4.5V
C453
16V47
D452
MA4110MTA
10K
14.1V
14.4V
A
B
C
D501
R516
MA165TA
680
C508
16V3300
BIAS
OVERROAD
DIRECTOR
14.2V 10.4V
C455
C454
15K
50V4.7
R456
0.9V
Q451
2SA992EFPTA
RELAYDRIVE
3.3K
R517
R518
D502
MA4082MTA
10K
Q503
2SA1048ABCTA
SWITCHING
50V4.7
10K
R519
1 2 3 4 5 6 7 8 9 10
W601
D451
MA185TA
11.2V
R457
1/4W560
1.9V
0.01
C509
14.4V
0V
R520
22K
C BA
14.4V
C510
50V0.33
R521
100K
C503
50V0.47
50V4.7
470
R510
IC501
BA6138
METER DRIVE AMP
C501
50V3.3
R501
R503
1/4W270
A
B
D506
MA4100MTA
R509
470
IC502
M5218AP
BUFFER AMP
(METER)
C502
50V3.3
R502
1/2W4.7K
1/2W4.7K
10.2V 0V 0V 0.5V
5 6 7 8
0V 0V
R511
1/4W470
1 2 3 4 5 6 7 8 9
R513 100K
3.2V 0V 0.5V 1.9V 1.9V 0.5V 0V 9.9V
56K
R515
1.5M
R505
D453
MA165TA
R512
1/4W470
POWER
C506
METER
(Lch) ADJ.
TH501
R531
100K
10K
R507
6.8K
R532
10K
VR502
1K(B)
VR501
1K(B)
POWER METER
(Rch) ADJ.
R508
6.8K
TH502
100K
R504
12K
R529
D504
MA165TA
12K
R530
9.9V
1/4W270
D503
MA165TA
C505
50V4.7
R506
C504
50V0.47
1234
0.5V 9.9V
R526 22K
R524
150K
R525 22K
D508
MA165TA
1.5M
D505
D507
MA4100MTA
R523
150K
MA165TA
1K
1K
R527
R528
VOLTAGE CONTROLAMP (L) CIRCUIT
I
C251
D253
0V
0V
68P
MA165TA
Q255
Q259 2SC2631RSTTA
CLASS AAAMP
2.2V
27K
R261
0.1V
50V1
C257
50V1
C259
Q253
2SD1761EF
VOLTAGE
CONTROLAMP
(ICQ ADJ.)
V AMP (Lch)
ICQ ADJ.
Q255 2SC2458ABCTA
LIMITER
R253
1/4W4.7K
250
R255
TH251
VR251
Q253
2V
1/4W150
1K(B)
R257
1/4W270
2.2V
2.5V
C255
1.9V
0.1
Q257
2.3V
0.4V
27K
R263
D255
MA165TA
68P
C253
Q257 2SA1048ABCTA
LIMITER
2.5V
Q261 2SA1123RSTTA
CLASS AAAMP
CP201
NFB
+B(2)
OUT(+)
OUT( )
D
To MAIN CIRCUIT
(W201) on page 18
GND
A
B
C
123456
B(2)
1.4V
R269
(P.C.Board:on page 25)
51.2V
Q263
R275
1/4W270
1.4V
G
D257
MA4100MTA
R265
1/4W100
1/4W1.8K
R267
1/4W100
D259
MA4100MTA
D267
MA165TA
G
1.9V
R277
1/4W270
1.9V
Q265
51.3V
Q263 2SK20130Y
MOS CLASS AAAMP
D
51.2V
0V
S
D265
MA165TA
R271
1/4W2.2
R273
1/4W2.2
0V
S
D
51.3V
Q265 2SJ3130Y
MOS CLASS AAAMP
(+)
(
D261
TP251
)
R323
D263
MA185TA
1
2
3
1/4W1.8K
1/4W1
MA185TA
R327
1.8K
R301
R303
1/4W120
C321
680P
C301
2700P
C303
6.3V100
51.3V
IC301
M5219P
DIFFERENTIALAMP
(CASCADE /
CURRENT MIRROR)
R307 1/4W120
C305
6.3V100
A B
A
B
C
51.2V
0V 0V 0V 9.3V
5 6 7 8
9.5V 0V 0V 1.1V
R305
1/4W1.8K
R311
1/4W10
R309
1/4W10
Q301 2SC2631RSTTA
FLOATING
POWER SUPPLY
R313
R329 1/4W00
1234
C307 220P
Q303 2SA1123RSTTA
FLOATING
POWER SUPPLY
Q307 2SC2631RSTTA
FLOATING
POWER SUPPLY
51.2V
51.3V
:POSITIVE VOLTAGELINE
:NEGATIVEVOLTAGE LINE
:SOURCE SIGNAL LINE
Q305 2SA1123RSTTA
FLOATINGPOWER SUPPLY
560
1/4W
R317
50.5V
10V
51.1V
D301
D303
49.9V
MA4100MTA
MA4100MTA
10.2V
50.3V
R319
1/4W560
1/4W
51.2V
9.3V
3.3K
9.5V
51.3V
C309
C311
16V10
16V10
D305
R321
C313
C315
D307
C319
MA29WATA
100K
16V33
16V33
MA29WATA
100V1
VOLTAGE CONTROLAMP (R) CIRCUIT
J
C252
D254
0V
0V
68P
MA165TA
Q256
Q260 2SC2631RSTTA
CLASS AAAMP
Q260
2.2V
27K
R262
0.1V
50V1
C258
50V1
C260
Q254 2SD1761EF
VOLTAGE
CONTROLAMP
(ICQ ADJ.)
V AMP (Rch)
ICQ ADJ.
Q256 2SC2458ABCTA
LIMITER
R254
1/4W4.7K
250
R256
TH252
VR252
Q254
2V
1/4W150
1K(B)
R258
1/4W270
2.2V
2.5V
C256
1.9V
0.1
Q258
2.3V
0.4V
27K
R264
D256
MA165TA
68P
C254
Q258 2SA1048ABCTA
LIMITER
2.5V
Q262 2SA1123RSTTA
CLASS AAAMP
CP202
NFB
+B(3)
OUT(+)
OUT( )
D
To MAIN CIRCUIT
(W202) on page 18
GND
A
B
C
123456
B(3)
1.4V
R270
(P.C.Board:on page 28)
51.2V
Q264
R276
1/4W270
1.4V
G
D258
MA4100MTA
R266
1/4W100
1/4W1.8K
R268
1/4W100
D268
MA165TA
G
1.9V
R278
1/4W270
1.9V
Q266
51.3V
Q264 2SK20130Y
MOS CLASS AAAMP
D
51.2V
0V
S
D266
MA165TA
R272
1/4W2.2
R274
1/4W2.2
D260
MA4100MTA
0V
S
D
51.3V
Q266 2SJ3130Y
MOS CLASS AAAMP
(+)
(
D262
TP252
)
R324
D264
MA185TA
1
2
3
1/4W1.8K
1/4W1
MA185TA
R328
1.8K
R302
R304
1/4W120
C322
680P
C302
2700P
C304
6.3V100
51.3V
IC302
M5219P
DIFFERENTIALAMP
(CASCADE /
CURRENT MIRROR)
R306
1/4W1.8K
R308 1/4W120
R312 1/4W10
C306
6.3V100
A B
A
B
C
51.2V
0V 0V 1.1V 9.3V
5 6 7 8
9.5V 0V 0V 0V
R310 1/4W10
Q302 2SC2631RSTTA
FLOATING
POWER SUPPLY
R330
C308
1/4W
220P
100
1234
Q304 2SA1123RSTTA
FLOATING
POWER SUPPLY
Q308 2SC2631RSTTA
FLOATING
POWER SUPPLY
51.2V
51.3V
R314
1/4W
51.2V
9.3V
3.3K
9.5V
51.3V
C310
C312
16V10
16V10
Q306 2SA1123RSTTA
FLOATINGPOWER SUPPLY
560
1/4W
R318
10V
D302
D304
51.1V
D306
50.5V
MA29WATA
49.9V
100K
R322
C314
10.2V
R320
1/4W560
50.3V
C316
D308
C320
16V33
16V33
MA29WATA
100V1
MA4100MTA
MA4100MTA
C AMP (Lch)
ICQ ADJ.
500(B)
VR301
R325
1/4W1K
R315
1/4W
3.3K
TP301
51.2V
C317
100V1
:POSITIVE VOLTAGELINE
CURRENT DRIVE AMP (L) CIRCUIT
K
Q353 2SC3944AQRS
PRE DRIVE
R355
1/4W680
R351
1/4W10K
0.1
C351
100K
CN301CP301
8
8
7
7
6
A B
6
5
5
4
4
3
3
2
2
1
1
CN303CP303
5
5
4
4
3
3
2
2
1
1
( )
4
(+)
3
( )
2
(+)
1
TH351
A
B
C
D
R701 1/4W6.8
R703 1/4W6.8
R353
1/4W3.3K
0.7V
Q355 2SA1535AQRS
PRE DRIVE
A
B
C
D
E
C353
680P
1V
1.3V
Q351 2SC1815BGL
CURRENT
DRIVE (ICQ ADJ.)
C355
680P
R357
1/4W680
1.3V
51.3V
1V
0.4V
R397
R359
1/4W2.2
1/4W330
R361
1/4W2.2
R365
1/4W2.2
0.7V
51.5V
Q359,363
2SA1941R
DRIVER
R363
1/4W2.2
B
D
A
C
(P.C.Board:on page 29)
Q361
0.4V
51.3V
Q357
0.4V
0V
R367
5W0.22
R369
5W0.22
0V
Q359
0.7V
51.5V
0.7V
51.5V
Q363
B
A
C
D
E
R371
R373
51.3V
0V
5W0.22
5W0.22
0V
Q357,361
2SC5198R
DRIVER
R377
5W0.22
R379
5W0.22
L351
C357
0.047
C359
0.047
R375
1W10
51.3V
51.5V
R401
1/4W270
R403
1/4W4.7K
D401
MA185TA
CAPACITOR CIRCUIT
M
(P.C.Board:on page 23)
C701
71V33000
W701 1 W701 2 W701 3
R381
5W0.22
R383
5W0.22
0V
0V
10.8V
D701,703,705,707
EGP30DL6414
:NEGATIVEVOLTAGE LINE
:SOURCE SIGNAL LINE
C703
71V33000
123
CP701
Q401 2SB1036RSTTA
OVER LOAD DET.
R405
15K
D701
C705
100V100
D705
C707
100V100
D707
C715
D703
0.01
CP655
W351 2
W351 1
50V1
C719
CP703
0.1
C713
W401
C717
1
A
2
B
A
B
E701
1
A
2
B
3
C
0.1
1
A
2
B
3
C
C AMP (Rch)
ICQ ADJ.
500(B)
VR302
R316
1/4W3.3K
TP302
(+)
(
)
(+)
( )
51.2V
C318
100V1
CURRENT DRIVE AMP (R) CIRCUIT
L
Q354 2SC3944AQRS
PRE DRIVE
R356
1/4W680
R352
1/4W10K
0.1
100K
TH352
A
B
C
R702 1/4W6.8
R704 1/4W6.8
R354
R326
1/4W1K
1
1
2
2
3
3
1
2
3
4
A B
4
4
5
5
6
6
7
7
8
8
5
5
4
4
3
3
2
2
1
1
C352
CN302CP302
CN304CP304
1/4W3.3K
0.7V
Q356 2SA1535AQRS
A
PRE DRIVE
B
C
D
E
C354
680P
1V
1.3V
Q352 2SC1815BGL
CURRENT
DRIVE (ICQ ADJ.)
C356
680P
R358
1/4W680
1.3V
1V
0.4V
R398
51.3V
R364
1/4W2.2
R360
1/4W2.2
1/4W330
R362
1/4W2.2
R366
1/4W2.2
0.7V
51.5V
Q360,364
2SA1941R
DRIVER
C
A
DD
B
(P.C.Board:on page 29)
Q362
0.4V
51.3V
Q358
0.4V
0V
R368
5W0.22
R370
5W0.22
0V
Q360
0.7V
51.5V
0.7V
51.5V
Q364
B
A
C
D
E
R372
R374
51.3V
0V
5W0.22
5W0.22
0V
Q358,362
2SC5198R
DRIVER
R382
5W0.22
R384
5W0.22
L352
C358
0.047
C360
0.047
R376
1W10
51.3V
51.5V
R402
1/4W270
R404
1/4W4.7K
D402
MA185TA
CAPACITOR CIRCUIT
M
(P.C.Board:on page 23)
C702
C706
100V100
C708
100V100
C704
71V33000
123
CP702
Q402 2SB1036RSTTA
OVER LOAD DET.
R406
15K
D702
D704
D706
D708
71V33000
W702 1 W702 2 W702 3
R378
5W0.22
R380
5W0.22
0V
0V
10.8V
D702,704,706,708
EGP30DL6414
C716
0.01
CP656
W352
W352 1
50V1
C720
CP704
0.1
C714
W402
2
C718
1
A
2
B
A
B
E702
1
A
2
B
3
C
0.1
1
A
2
B
3
C
D
To MAIN CIRCUIT
(W403) on page 19
H
To
SPEAKER
SELECT
LOGIC
CIRCUIT
(CP603)
on page 19
LAMP(1)
GND(1)
GND(2)
LAMP(2)
A
B
C
D
A
B
C
D
A
B
A
B
A
B
C
A
B
C
1
2
3
4
1
2
3
4
1
2
3
4
2
1
2
1
1
2
3
1
2
3
W603
CP405
CP406
CP351
CP352
CP401
CP402
CP403
D751 754
1SR35200TB
PROT
Lch OUT
GND
Rch OUTACRELAY(B)
1 2 3 4 5 6 7 8 9 10 11
R385
C363
R389
R386
C364
R390
R751
D751
1/4W2.2
D752
D753
D754
R752
1/4W2.2
B(1)
RELAY(A)
RELAYCONT
A BCA B
27K
R453
R387
1W10
1W10
0.22
C361
0.22
R391
1W10
1W10
R388
1W10
1W10
0.22
C362
0.22
R392
1W10
1W10
CB A
C751
25V470
C752
25V470
+B(1)
1/4W10
RELAY CIRCUIT
N
GND
14.1V
R655
1W180
R656
1W180
R661
L353
R393
L354
R394
1/4W10
R657
1W150
R658
1W150
R651
4.7K
1/4W220
D653
MA165TA
B
A
RL653
1
2
5 6
RL651
1
2
5 6
D651
MA165TA
RL652
1
2
5 6
13.3V
(P.C.Board:on page 30)
R660
1/4W120
R659
1/4W120
3
4
3
4
3
4
D652
MA165TA
14.1V
14.1V
Q651 2SC2458ABCTA
POWER SUPPLY
W653
CP651
CP652
1
2
3
1
2
2
1
A BC
SPEAKER TERMINAL
O
(L) CIRCUIT
(P.C.Board:on page 23)
W651 2
C651
0.022
W651 1
C653
0.022
W655
1
2
W655
A B
SPEAKER
P
TERMINAL
(R) CIRCUIT
(P.C.Board:on page 28)
W652 1
C652
0.022
W652 2
C654
0.022
:POSITIVE VOLTAGELINE
:NEGATIVEVOLTAGE LINE
:SOURCE SIGNAL LINE
C655
C657
180P
180P
JK651
A
Lch
B
L651
L653
SPEAKERS
C656
C658
180P
180P
JK652
A
Rch
B
L652
L654
W656 1
A
B
T1 (Lch)
D
AC
51.3V
C
B
AC
11.1V
A
C
AC
37.6V
B
AC
37.6V
A
T2 (Rch)
D
AC
51.3V
C
B
AC
11.1V
A
C
AC
37.6V
B
AC
37.6V
A
FUSE CIRCUIT
Q
(P.C.Board:on page 30)
CP3
F2 T2A
1
2
3
CP4
1
2
3
T2A
F1
W1
1
W1 2
L1
CP2
3
2
1
CBA
R
1 2 3
CP653
C660
C659
1000P
1000P
S1
(POWER)
AC IN
C1
1000P
CP1
1
2
3
230V/50Hz (E,EG)
230-240V/50Hz (EB)
W656 2
POWER SW CIRCUIT
(P.C.Board:on page 30)
R
L
G
JK653
HEADPHONES
INPUT
A
TERMINAL
P.C.B.
LEVEL
CONTROL
(R)(L)
CP191A
1 . 3
R
POWER
SW P.C.B.
CP1
3
3 . 1
.
1
CP653
POWER PHONES
CP191B
MAIN P.C.B.
D
DIRECTNORMAL
1 . . . . 6
W601W403
1
. . . . . . . .
11
BLK
RED
1
. . . . . . . .
11
1 . . . . 6
W201
1
. . . . . . . . .
BLK
RED
. . . . . . . . .
1
3 . 1
BLKBLU
RED
WHT
BLK
RED
WHT
3 . 1
W202
1 . . . . 6
10
1 . . . . 6
10
SPEAKER TERMINAL(L) P.C.B.
O
W651-1
W655-2 W655-1 W651-2
T1
(Power transformer)
GRY
ORG
1
.
3
W401
1
(SOLDER SIDE)
CP303 CN303
I
VOLTAGE
CONTROL
AMP(L) P.C.B.
CP301
1 . . . . 6
CP201
.
3
1
.
.
.
5
K
CURRENT
DRIVE
AMP(L) P.C.B.
3
.
1
CP701
1
.
.
.
CN301
.
.
.
8
CP703
.
1
WHT/RED
WHT/BLK
WHT/BLK
WHT/GRY
1
.
3
3
CP655
W351-1
W351-2
2
1
1
2
BRN
1
.
ORG
.
BLK
4
RED
ORG
1
.
BLK
3
RED
1 2
1
WHT/BLK
2
WHT/ORG
LED P.C.B.
G
POWER METER
)
R ch
1
.
.
4
W604
(
)(
L ch
RED
BLK
RED
BLK
1
.
.
4
W604
CP501
2 1
5
.
.
.
BLK
RED
1
1
2
1
2
E
CP551
4
. . 1
5 . . . 1
CP603
W551
4
.
.
1
10
LIGHT SW P.C.B.
. . . . . . . .
CP601
1
H
SPEAKER SELECT
CP502
2 1
F
LOGIC P.C.B.
SPEAKER SW P.C.B.
W505
1
.
.
4
1
.
.
.
5
CP602
CN602
1
.
.
.
5
AC IN
WHT/BLK
WHT/RED
3
.
1
1
.
3
WHT/BLK
WHT/RED
1
.
3
CP401
1
.
3
CP351
CP651
WHT/BLU
WHT/BLK
WHT/RED
W653
1
2
1
2
CP3
1 . 3
W1-2 W1-1
FUSE P.C.B.
Q
CAPACITOR P.C.B.
M
W701-3
W701-2
W701-1
CP403
.
1
3
1
. . . . . . . . .
11
.
1
3
N
RELAY
P.C.B.
1 . 3
CP2
CP405
CP4
1 . 3
SPEAKER TERMINAL(R) P.C.B.
R
W652-1
W656-1 W656-2 W652-2
WHT/ORG
1
2
WHT/BRN
WHT/BLK
1
2
W702-3
W702-2
W702-1
WHT/BLU
WHT/BLK
WHT/RED
WHT/GRY
BRN
1
.
ORG
.
BLK
4
RED
ORG
1
.
BLK
3
RED
1
.
3
1
.
3
CP704
3 . 1
W402
1
.
3
L
(Power transformer)
5
.
.
CN304
.
1
T2
(SOLDER SIDE)
CP304
GRY
ORG
3
.
1
CURRENT
DRIVE
AMP(R) P.C.B.
W603
.
4
1 .
.
.
1 .
41 .
41 .
CP406
BLK
RED
.
CP402
1
CP352
CP652
.
3
1
1
2
1
2
WHT/BLK
2
WHT/ORG
CP656
W352-1
W352-2
4
1
.
3
CP702
2 1
CN302 CP302
J
VOL TAGE
CONTROL
AMP(R) P.C.B.
8
.
.
.
.
.
.
CP202
1
6 . . . . 1
RED
GRY
BRN
(A)
LAMP
B
C
W505-1
W505-2
LAMP
W505-4
W505-3
BLK
(B)
P.C.B.
P.C.B.
NOTE:
BLK
BLU
BRN
GRY
....
Black
....
Blue
....
Brown
....
Gray
ORG
RED
WHT
....
....
....
Orange
Red
White
DIRECT(NORMAL)
INPUT
VR191
(LEVEL
CONTROL)
AN7073
IC451
MUTING/PROTECTION
+B2
(+B3)
Current
mirror
17
16
2
3
D451
–B1
+
975
Regulator
Muting
2
GND
Over load
det.
DC det.
AC det.
Current
stabilizer
Q401(Q402)
Over load
det.
+
Cascade
Bias Muting
Cascade
Current
mirror
8
1
AN7062N
()
IC201
VOLTAGE AMP
12151314
7465
+B2
(+B3)
IC202
Q201
(Q202)
11
10
18
1
9
+B
8
Q203
(Q204)
(VOLTAGE CONTROL)
Q451
Relay
drive
–B2
(-B3)
–B2
(-B3)
Pre
drive
Q205,207
(Q206,208)
D621
D623
D253
(D254)
Q253
(Q254)
ICQ
adj.
D255
(D256)
NFB
(CURRENT DRIVE)
Q257(Q258)
+B1
D622
Q255(Q256)
Limitter
Q259,263
(Q260,264)
MOS
class
AA
amp.
Q261,265
(Q262,266)
MOS
class AA
amp.
Limiter
–B1
AC IN
43
D751-754
S1
(POWER)
L1
F1
F2
T1(L ch)
T2(R ch)
D701,703,705,707
D702,704,706,708
+B1
–B1
+B2(L ch)
–B2(L ch)
+B3(R ch)
–B3(R ch)
PL501,503,505,
PL507,509,511,
PL513,515
S551
(METER LIGHT)
PL502,504,506,
PL508,510,512,
PL514,516
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