Download (For United Kingdom)

(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.
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
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.
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)
O SPEAKER TERMINAL(L) P.C.B.
CP191B
3.1
RED
BLK
WHT
D MAIN P.C.B.
W655-1
W651-2
RED
BLK
WHT
BLU
W651-1 W655-2
WHT/RED
WHT/BLK
2
1
WHT/BLK
WHT/GRY
1
2
BRN
ORG
BLK
RED
1
.
.
4
ORG
BLK
RED
1
.
3
3.1
T1
(Power transformer)
LEVEL
CONTROL
(R)
(L)
NORMAL
ORG
TERMINAL
P.C.B.
GRY
A INPUT
1
.
3
DIRECT
W401
1
.
3
(SOLDER SIDE)
1
.
3
CP703
1.3
CP303
CP191A
1.3
1.
.
.
5
I
K
CURRENT
DRIVE
AMP(L) P.C.B.
VOLTAGE
CONTROL
AMP(L) P.C.B.
R
CN303
3
.
1
POWER
SW P.C.B.
CP701
12
CP655
CP1
3
.
1
3.1
CP653
1. . . .6
CP301
W601
W202
1 . . . . . . . . 10
1. . . .6
W403
1 . . . . . . . . . 11
PHONES
1. . . .6
1.
.
.
.
.
.
8
CN301
W351-2
CP201
RED
BLK
W201
RED
BLK
1 . . . . . . . . . 11
1. . . .6
POWER
WHT/BLK
WHT/ORG
W351-1
1. . . .6
1 . . . . . . . . 10
G LED P.C.B.
1.
.
4
1.
.
4
W604
W604
H SPEAKER SELECT
LOGIC P.C.B.
CP501
CP502
CP551
4. .1
21
CP603
5. . .1
10 . . . . . . . . 1
21
CP601
1
.
.
4
1.
.
.
5
CP602
POWER METER
(R ch)
W505
(L ch)
W551
5.
.
.
1
RED
BLK
1
2
RED
BLK
1
2
BLK
RED
4
.
.
1
E LIGHT SW P.C.B.
CN602
F SPEAKER SW P.C.B.
1.
.
.
5
1
2
PROT
Lch OUT
GND
Rch OUT
AC
RELAY(B)
RELAY(A)
RELAY CONT
B(1)
+B(1)
GND
To D MAIN CIRCUIT
(W403) on page 19
N RELAY CIRCUIT
(P.C.Board:on page 30)
1 2 3 4 5 6 7 8 9 10 11
W603
CP403
:POSITIVE VOLTAGE LINE
1
2
3
4
5
6
TERMINAL
O SPEAKER
(L) CIRCUIT
A B C
(P.C.Board:on page 23)
CP651
JK651
W651 2
1
3
2
4
W651 1
6
D651
MA165TA
D753
D754
2
4
5
6
R751
1/4W2.2
R651
4.7K
(P.C.Board:on page 28)
CP652
13.3V
SPEAKERS
(R) CIRCUIT
D652
MA165TA
JK652
14.1V
2
1
W652 1
14.1V
Q651
2SC2458ABCTA
W652 2
POWER SUPPLY
14.1V
R752
1/4W2.2
C654
0.022
D751 754
1SR35200TB
P SPEAKER
TERMINAL
L652
C656
180P
A
A
Rch
L654
C658
180P
B
B
C652
0.022
D752
B
W655 2
3
R661
1/4W220
D751
Lch
L653
RL652
1
C751
25V470
1
2
3
A
W655 1
A
C
L651
C655
180P
1
2
5
CP402
A
B
C
3
C651
0.022
C362
0.22
CP401
1
2
3
A
B
C
R394
1/4W10
R392
1W10
1
4
C364
0.22
2
B
R390
1W10
A
R388
1W10
R386
1W10
CP352
2
RL651
L354
1
B
2
C653
0.022
CP351
3
D653
MA165TA
R656 R658
1W180 1W150
1
1
C657
180P
R453
27K
R387
1W10
C361
0.22
R385
1W10
R393
1/4W10
W653
RL653
R655 R657
1W180 1W150
C363
0.22
2
R389
1W10
A
A
L353
CP406
1
2
3
4
:SOURCE SIGNAL LINE
R659
1/4W120
1
2
3
4
A
B
C
D
:NEGATIVE VOLTAGE LINE
B
CP405
A
B
C
D
R660
1/4W120
A B A B C
R391
1W10
LAMP(1)
GND(1)
GND(2)
LAMP(2)
C752
25V470
B
W656 1
A
B
W656 2
T1 (Lch)
C
B
A
C
B
A
AC
51.3V
C B A
CIRCUIT
Q FUSE
(P.C.Board:on page 30)
SW CIRCUIT
R POWER
(P.C.Board:on page 30)
1 2 3
AC
11.1V
CP653
R
JK653
AC
37.6V
CP3
L
F2 T2A
1
2
3
AC
37.6V
C660
1000P
D
C659
1000P
To H
SPEAKER
SELECT
LOGIC
CIRCUIT
(CP603)
on page 19
S1
(POWER)
W1 1
T2 (Rch)
D
C
B
A
C
B
A
CP1
W1 2
AC
51.3V
AC
11.1V
AC
37.6V
AC
37.6V
C1
1000P
1
2
3
L1
CP2
3
2
1
CP4
1
2
3
F1
T2A
AC IN
230V/50Hz
(E,EG)
230-240V/50Hz
(EB)
G
HEADPHONES
K CURRENT DRIVE AMP (L) CIRCUIT
CIRCUIT
M CAPACITOR
(P.C.Board:on page 23)
Q353
2SC3944AQRS
PRE DRIVE
51.2V
1.3V
R357
1/4W680
0.7V
PRE DRIVE
5
4
3
2
1
0V
51.5V
B
A
C
D
DRIVER
51.3V
E
E
5
B
(+)
3
6
6
C
( )
4
7
7
8
8
D
0.7V
R366
1/4W2.2
B
C356
680P
51.2V
1.3V
R358
1/4W680
A
B
C318
100V1
CP304
CN304
5
4
3
2
1
5
4
3
2
1
R384
5W0.22
D
B
R362
1/4W2.2
A
C
D
E
C719
50V1
C
W702 3
0.7V
0V
Q360
51.5V
0.7V
51.5V
Q364
0V
CP656
R378
5W0.22
R380
5W0.22
1
A
2
B
W352 2
A
W352 1
B
0V
Q402
2SB1036RSTTA
OVER LOAD DET.
0V
E702
10.8V
R406
15K
W402
1
51.5V
A
2
B
3
C
1
A
D702
Q356
Q360,364
2SA1535AQRS 2SA1941R
PRE DRIVE
DRIVER
B
A
C
D
51.3V
R702 1/4W6.8
R704 1/4W6.8
W702 2
C706
100V100
5
CURRENT
DRIVE (ICQ ADJ.)
W702 1
CP702
R382
5W0.22
R402
R404
1/4W4.7K 1/4W270
2
Q352
2SC1815BGL
C704
71V33000
D402
MA185TA
( )
B
3
3 2 1
C
A
L352
A
A
2
Q358
C358
0.047
4
1
CP703
D707
C702
71V33000
0V
C360
0.047
4
DRIVER
R376
1W10
1
(+)
1.3V
C
Q358,362
2SC5198R
R372
5W0.22
3
0.7V
0V
R374
5W0.22
3
TP302
51.3V
R368
5W0.22
2
0.4V
R360
1/4W2.2
51.3V
R370
5W0.22
2
Q362
0.4V
1V
B
3
CIRCUIT
M CAPACITOR
(P.C.Board:on page 23)
R364
1/4W2.2
R398
1/4W330
1
C354
680P
A
2
(P.C.Board:on page 29)
51.3V
1V
0.4V
R354
1/4W3.3K
R352
1/4W10K
TH352
100K
C352
0.1
R326
1/4W1K
VR302
500(B)
R356
1/4W680
1
D705
D701,703,705,707
EGP30DL6414
PRE DRIVE
CN302
D703
51.5V
R703 1/4W6.8
Q354
2SC3944AQRS
CP302
W401
1
R701 1/4W6.8
L CURRENT DRIVE AMP (R) CIRCUIT
R316
1/4W3.3K
R405
15K
D701
Q359,363
2SA1941R
C
D
C AMP (Rch)
ICQ ADJ.
E701
Q363
CN303
5
4
3
2
1
C317
100V1
0.7V
51.5V
Q355
2SA1535AQRS
CP303
51.5V
10.8V
C717
0.1
C355
680P
A
B
Q359
0.7V
R365
1/4W2.2
B
OVER LOAD DET.
E
51.5V
D702,704,706,708
EGP30DL6414
C718
0.1
A
0V
B
0V
C713
0.1
R353
1/4W3.3K
R351
1/4W10K
R361
1/4W2.2
C716
0.01
TP301
A
C
A
C720
50V1
D
1
D704
D706
CP704
D708
C714
0.1
2
1
C715
0.01
2
B
Q401
2SB1036RSTTA
C708
100V100
1
0V
C705
100V100
C
A
2
W351 2
C707
100V100
3
(+)
R383
5W0.22
1
W351 1
R401
R403
1/4W4.7K 1/4W270
3
R369
5W0.22
2
R379
5W0.22
CP655
R381
5W0.22
D401
MA185TA
B
W701 3
CP701
R377
5W0.22
L351
4
( )
W701 2
3 2 1
C357
0.047
4
CURRENT
DRIVE (ICQ ADJ.)
W701 1
0V
R375
1W10
A
DRIVER
R371
5W0.22
5
(+)
3
1.3V
0V
C703
71V33000
Q357
R373
5W0.22
5
( )
4
51.3V
R367
5W0.22
R315
1/4W
3.3K
6
0.4V
C701
71V33000
Q357,361
2SC5198R
B
D
Q351
2SC1815BGL
6
51.3V
0.4V
1V
7
Q361
R359
1/4W2.2
8
0.7V
7
0.4V
C353
680P
R363
1/4W2.2
R397
1/4W330
CN301
8
TH351
100K
C351
0.1
VR301
500(B)
R325
1/4W1K
CP301
51.3V
1V
C359
0.047
R355
1/4W680
C AMP (Lch)
ICQ ADJ.
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
(P.C.Board:on page 29)
2
B
3
C
MOS CLASS AA AMP
51.3V
R317
1/4W
560
C305
6.3V100
R303
1/4W120
C303
6.3V100
A
B
R321
100K
10.2V
9.5V
Q303
2SA1123RSTTA
FLOATING
POWER SUPPLY
51.3V
Q307
2SC2631RSTTA
R309
1/4W10
50.3V
51.1V
FLOATING
POWER SUPPLY
Q265
2SJ3130Y
CLASS AA AMP
MOS CLASS AA AMP
A
B
To D MAIN CIRCUIT
(W201) on page 18
C
J VOLTAGE CONTROL AMP (R) CIRCUIT
Q254
2SD1761EF
Q256
2SC2458ABCTA
VOLTAGE
CONTROL AMP
(ICQ ADJ.)
LIMITER
Q264
2SK20130Y
CLASS AA AMP
MOS CLASS AA AMP
NFB
OUT(+)
OUT( )
+B(3)
GND
B(3)
R278 1.9V
D
1/4W270
51.3V
1.9V
Q266
R318
1/4W
560
R322
100K
R314
1/4W
3.3K
1
0V
0V
9.5V
Q304
2SA1123RSTTA
FLOATING
POWER SUPPLY
C304
6.3V100
A
B
FLOATING
POWER SUPPLY
Q262
2SA1123RSTTA
Q266
2SJ3130Y
LIMITER
CLASS AA AMP
MOS CLASS AA AMP
A
B
C
C314
16V33
10.2V
51.3V
Q308
2SC2631RSTTA
51.3V
Q258
2SA1048ABCTA
C316
16V33
2
D302
MA4100MTA
3
9.3V
8
R310
R312
C306
6.3V100 R308
0V S
R304
1/4W120
R302
1/4W1.8K
1.1V
7
D304
MA4100MTA
1/4W10
4
0V
6
9.5V 0V
6 5 4 3 2 1
To D MAIN CIRCUIT
(W202) on page 18
1/4W120
C322
680P
1/4W10
3
5
C310
16V10
0V
R306
1/4W1.8K
R328 C302
1.8K 2700P
G
51.3V
1
2
( )
R330
1/4W
100
50.3V
51.1V
R320
1/4W560
C254
68P
B
2.5V
(+)
49.9V
10V
9.3V
DIFFERENTIAL AMP
C308
(CASCADE /
CURRENT MIRROR) 220P
TP252
R324
1/4W1
D268
MA165TA
0.4V
FLOATING
51.2V
POWER SUPPLY
IC302
M5219P
0V
D260
MA4100MTA
R268
1/4W100
R264
27K
D256
MA165TA
2.3V
S
50.5V
Q302
2SC2631RSTTA
51.2V
G
R266
1/4W100
Q258
C
FLOATING POWER SUPPLY
D264
MA185TA
C260
50V1
C258
50V1
R258
1/4W270
R270
1/4W1.8K
C256
0.1
0.1V
0V
D
D266
MA165TA
D258
MA4100MTA
R256
1/4W150
Q256
1.9V
Q264
R276
1/4W270 1.4V
R272
1/4W2.2
1.4V
51.2V
R274
1/4W2.2
2.2V
2.5V
0V
A
Q306
2SA1123RSTTA
D262
MA185TA
Q260
R262
27K
2.2V
VR252
1K(B)
V AMP (Rch)
ICQ ADJ.
(P.C.Board:on page 28)
Q260
2SC2631RSTTA
C252
68P
2V
51.3V
51.2V
D254
MA165TA
R254
1/4W4.7K
Q254
CP202
51.2V
C319
100V1
Q261
2SA1123RSTTA
LIMITER
C313
16V33
C307 220P
C312
16V10
NFB
OUT(+)
OUT( )
+B(2)
GND
B(2)
Q257
2SA1048ABCTA
C315
16V33
D301
MA4100MTA
1.1V
D303
MA4100MTA
1
0V
51.3V
6 5 4 3 2 1
TH252
250
2
9.5V 0V
R319
1/4W560
C253
68P
C
S
4
R311
R305
1/4W10 1/4W1.8K
2.5V
R301
1/4W1.8K
R277 1.9V
D
1/4W270
51.3V
1.9V
Q265
3
9.3V
8
R329
R327 C301
1.8K 2700P
R323
1/4W1
G
B
CP201
0V
0V
7
C321
680P
D263
MA185TA
R263
27K
D255
MA165TA
A
D267
MA165TA
0V
6
C309
16V10
5
3
C311
16V10
0V
2
( )
D259
MA4100MTA
0.4V
9.3V
1
Q257
2.3V
49.9V
10V
R313
1/4W
3.3K
D265
MA165TA
(+)
FLOATING
POWER SUPPLY
DIFFERENTIAL AMP
(CASCADE /
CURRENT MIRROR)
TP251
R271
1/4W2.2
R267
1/4W100
51.2V
Q301
2SC2631RSTTA
IC301
M5219P
0V
R273
1/4W2.2
R261
27K
C257
50V1
R265
1/4W100
C259
50V1
R269
1/4W1.8K
C255
0.1
R257
1/4W270
0V
S
0.1V
0V
50.5V
51.2V
G
D257
MA4100MTA
R255
1/4W150
Q255
1.9V
D
R275
1/4W270 1.4V
2.5V
VR251
1K(B)
V AMP (Lch)
ICQ ADJ.
2.2V
1.4V
1/4W00
51.2V
R307 1/4W120
2.2V
D261
MA185TA
C251
68P
2V
D253
MA165TA
Q253
FLOATING POWER SUPPLY
51.2V
Q263
R253
1/4W4.7K
TH251
250
CLASS AA AMP
Q305
2SA1123RSTTA
D305
MA29WATA
LIMITER
Q263
2SK20130Y
D307
MA29WATA
VOLTAGE
CONTROL AMP
(ICQ ADJ.)
Q259
2SC2631RSTTA
D306
MA29WATA
Q255
2SC2458ABCTA
D308
MA29WATA
Q253
2SD1761EF
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
(P.C.Board:on page 25)
51.2V
51.3V
C320
100V1
I VOLTAGE CONTROL AMP (L) CIRCUIT
:POSITIVE VOLTAGE LINE
H SPEAKER SELECT LOGIC CIRCUIT
(P.C.Board:on page 24)
:NEGATIVE VOLTAGE LINE
D627 629
MA4051MTA
R602
47K
C601
0.01
R601
47K
C602
0.01
W505
4
3
2
1
R606
4.7K
D601
R612 R613
220 330
Q601
14.4V
13.5V
R616
220
14.3V
1
12
0V
13
14
14.2V 14.2V
D606
SPEAKER
SELECTOR
D618 620
LN846RP C
S602
(A)
D609
A
F
C
D615
D601 616
MA165TA
Q601,602
2SA1048ABCTA
RELAY DRIVE
Q603,604
2SC2458ABCTA
LED DRIVE
E
D
14.4V
D626
MA165TA
D641
D617
MA165TA
CP501
4
3
2
1
1
2
E F
W604
4
3
2
1
D622 LN846RP C
(CURRENT DRIVE)
D623
MA4036MTA
R624
150
(POWER METER)
(Lch)
(Rch)
D640
D640,641
MA185TA
W604
R622
R623
R621
330
470
470
CP502
1
2
CP601
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
W601
C504
50V0.47
R504
1/4W270
R502
1/2W4.7K
R506
1.5M
C505
50V4.7
D505
MA4100MTA
9.9V
R521
100K
R529
12K
D507
MA165TA
0V
2
0.5V
1
5
6
0V
IC502
M5218AP
BUFFER AMP
(METER)
7
0V
D504
MA165TA
8
0.5V
9.9V
R524
150K
R526 22K
R525 22K
R527
1K
R520
22K
TH502 R532
100K 10K
10.2V 0V
3
R523
150K
R528
1K
C510
50V0.33
D503
MA165TA
D508
MA165TA
SWITCHING
0V
R508
6.8K
VR502
1K(B)
R510
470
R519
10K
C509
0.01
R517
3.3K
14.4V
14.4V
Q503
2SA1048ABCTA
9
0V
R509
470
VR501
POWER METER 1K(B)
(Rch) ADJ.
W403
C508
16V3300
PROT
Lch IN
GND
Rch IN
AC
RELAY(B)
RELAY(A)
RELAY CONT
B(1)
B(1)
GND
To N RELAY CIRCUIT
(CP403) on page 22
R507
6.8K
4
R530
12K
R512
1/4W470
POWER
METER
(Lch) ADJ.
TH501 R531
100K 10K
14.4V
R518
10K
R501
1/2W4.7K
B
A
B
C
D502
MA4082MTA
8
0.5V
A
14.1V
R516
680
C501
50V3.3
1.9V
0.9V
RELAY DRIVE
D501
MA165TA
7
1.9V
C502
50V3.3
D451
MA185TA
R457
1/4W560
B
1 2 3 4 5 6 7 8 9 10 11
6
11.2V
Q451
2SA992EFPTA
A
5
1.9V
D506
MA4100MTA
D452
MA4110MTA
R455
10K
9
10.4V
4
0.5V
R503
1/4W270
8
14.2V
C503
50V0.47
7
3
0V
C506
50V4.7
6
4.5V
C453
16V47
C452
0.022
C451
10V330
R452
47K
5
0V
2
3.2V
R515
56K
4
0V
1
D453
MA165TA
3
C455
50V4.7
2
0V
OVERROAD
DIRECTOR
R456
15K
1
OUTPUT
SHINK
C454
50V4.7
AC
DET
BIAS
R505
1.5M
C B A
MUTING
R513 100K
METER DRIVE AMP
MUTING / PROTECTION
DC
DET
9.9V
IC501
BA6138
R511
1/4W470
IC451
AN7073
R454
15K
B
D614
LED CIRCUIT
G (P.C.Board:on
page 25)
R451
56K
R610
10K
R611
47K
D612
A
B
C
D
(SPEAKERS)
D621 LN446YP C
(VOLTAGE CONTROL)
D611
C610
35V10
D613
1
2
3
4
5
9.7V
0.1V
D608
C603
0.01
CP602
1
2
3
4
5
S601
(OFF)
R603
47K
CN602
Q604
D607
D610
S603
(B)
R609
22K
D604
D616
S604
(A+B)
R604
47K
C604
0.01
(P.C.Board:on page 26)
0V
0.6V
MA165TA
10
11
14.2V 0V
0V
D620 (B)
R620
330
D628
MA165TA
9
0V
D603
R605 22K
8
IC601
TC4001BPN
Q602
Q603
R619
220
13.9V
D624
CP551
SPEAKER SW
CIRCUIT
14.4V
D625
6
0.1V
R608 22K
7
14.2V 0.1V 14.2V 0V
5
4
3
2
5
4
3
2
1
F
R607
4.7K 13.9V
D602
0V
D605
To N RELAY CIRCUIT
(W603) on page 22
D619 (A)
R617
330
D627
CP603
4
3
2
1
LAMP(2)
GND(2)
GND(1)
LAMP(1)
D618
(A+B)
D629
TERMINAL CIRCUIT
A INPUT
(P.C.Board:on page 23)
C
LAMP (B) CIRCUIT
:POSITIVE VOLTAGE LINE
(P.C.Board:on page 24)
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
L191
CP191A
Rch
C193
82P
C194
82P
Rch
2.2K
B
PL512
PL514
PL516
LAMP (A) CIRCUIT
(P.C.Board:on page 24)
R196
L193
Lch
NORMAL
PL510
W505 3
SW CIRCUIT
E LIGHT
(P.C.Board:on page 25)
VR191 20K(A)
(LEVEL CONTROL L)
JK101
PL502
W505 4
L192
INPUT
PL504
PL507
PL505
PL503
PL501
PL509
PL511
PL513
PL515
4
3
W505 2
R193
560
OFF
R194
560
2
1
ON
S551
(METER
LIGHT)
W505 1
VR192
20K(A)
(LEVEL
CONTROL R)
L194
W551
C551
0.01
R192
560
1
2
3
PL506
R195
2.2K
C191
82P
DIRECT
R191
560
C192
82P
Lch
PL508
C552
0.01
JK101
D MAIN CIRCUIT (P.C.Board:on pages 26,27)
E101
3 2 1
CP191B
50.2V
R213
51V 1/4W100
38.6V
Q209
Q207
38.6V
3
4
49.7V
5
50.2V
6
7
8
9
50.3V
R215
47K
IC201
AN7062N
12
11
C221
0.1
2.2V
R211
1/4W
100
R225
33K
R223
1/4W3.3K
C209
220P
C205
25V220
C231
0.01
D
Q201 204
2SA1123RSTTA
Q205 208
2SC2631RSTTA
Q209,210
2SA1123RSTTA
PRE DRIVE
PRE DRIVE
PRE DRIVE
Q204
C224
1000P
50.2V
R214
51V 1/4W100
38.6V
Q210
Q208
5
6
7
8
9
Q206
50.3V
R216
47K
IC202
AN7062N
50.3V
VOLTAGE AMP
17
16
15
14
13
10.9V 0.3V
0.3V
51.2V 49.7V
12
11
C222
0.1
R212
1/4W
100
R226
33K
R224
1/4W3.3K
A
B C D E
2.2V
51V
C232
0.01
W202
W201
1 2 3 4 5 6
51.2V
C210
220P
C208
27P
R206
1.2K
C206
25V220
C204
220P
R204
18K
C216
82P
51.1V
13.2V
50.2V
C202 R202
25V22 470
2.5V
51.1V
10
50.2V
Q202
R208
18K
50.3V
C228
27P
18
R104
330K
50.3V
51.2V
51.2V
4
50.2V
1 2 3 4 5 6
B(2)
GND
B(2)
OUT( )
OUT( )
NFB
3
49.7V
R220
1/4W100
2
51.2V
0.3V
51.3V
38.6V
0.3V
C226
100V1
C218
100V1
R230
33K
51.3V
51.2V
D208
MA4160MTA
R218
1/2W8.2K
C214
330P
1
B
E
B(3)
GND
B(3)
OUT( )
OUT( )
NFB
C203
220P
51V
51.2V
R228
1/4W3.3K
R210
560
C207
27P
R205
1.2K
C215
82P
R203
18K
R103
330K
C201 R201
25V22 470
A
13.2V
Q201
R207
18K
51.1V
10
50.2V
C
51.1V
50.3V
50.3V
C227
27P
17
16
15
14
13
10.9V 0.3V
0.3V
51.2V 49.7V
50.2V
C220
100V1
Q205
VOLTAGE AMP
18
2.5V
50.3V
51.2V
C229 R221
27P 1/4W100
2
51.2V
C230 R222
27P 1/4W100
1
0.3V
R219
1/4W100
0.3V
D207
MA4160MTA
Q203
C223
1000P
C225
100V1
R227
1/4W3.3K
C217
100V1
C213
330P
R229
33K
R209
560
C219
100V1
R217
1/2W8.2K
51.3V
51.2V
To J VOLTAGE
CONTROL AMP(R)
CIRCUIT (CP202)
on page 20
To I VOLTAGE
CONTROL AMP(L)
CIRCUIT (CP201)
on page 20
A
N
C
B
D
E
F
RELAY P.C.B.
1
ELECTRICAL PARTS LOCATION
Ref. No.
CP406
W603
CP405
CP403
W653
4 3 2 1
4 3 2 1
4 3 2 1
11 10 9 8 7 6 5 4 3 2 1
3 2 1
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
D653
RL653
6
Q651
B
C
E
5
J
2
4
J
CP401
1
2
3
3
1
J
J
R661
C752
C751
R651
D751
R752
2
D754
CP402
1
2
3
D753
D752
R453
R751
J
CP352
J
1
2
R385
R387
C361
C363
1
2
5
2
1
R393
D651
R655
1
R656
2
6
53
5
L3
6
D652
RL651
R394
54
RL652
R389
R391
R659
R660
R658
R657
R392
R390
C364
C362
R388
R386
CP351
L3
3
CP652
1
CP651
1
4
3
4
3
L1
F1
F2
CP2
CP3
CP4
2
J
Lo. No.
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
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
W1-1
W1-2
FC1
FC2
FC3
FC4
7B
7B
7B
7C
7B
7C
C1
C659
C660
7E
7F
7F
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
6B
7B
7C
6B
5C
5B
R POWER SW P.C.B.
(REP1615D-M)
Q
Ref. No.
Q FUSE P.C.B.
2
4
Lo. No.
N RELAY P.C.B.
S1
CP1
CP653
JK653
FUSE P.C.B.
7E
7E
7F
6F
5
CP4
3
2
CP3
1
3
CP2
3
2
2
1
R
POWER SW P.C.B.
1
PHONES
L1
6
1
C659
C660
2
CP653
C1
FC3
W1-2
CP1
FC4
W1-1
7
L
JK653
F2 T2A
F1 T2A
FC2
FC1
G
R
S1
(POWER)
3 2 1
3
(REP1616D-S)
8
(REP2720A-P)
A
K
D
E
F
J
J
J
R353
C351
J
E C B
Q351
C
B
Q363
R365
R367
R371
R375
2
C359
J
Q355
E C B
E
J
J
C
B
Q359
R373
J
J
E
R361
C
B
Q357
R369
E
C
B
Q361
R397
E
R363
CURRENT DRIVE AMP(L) P.C.B.
R359
E C B Q353
C357
R701
CN303
1 2 3 4 5
J
CN301
J
W401
R351
TH351
1 2 3 4 5 6 7 8
J
1
R377
2
2
3
D701
3
CP655
C705
C707
W351-2
1
D703
C713
W351-1
R383
3
D707
1
R401
Q401
B C E
R381
CP703
J
CP701
R379
R703
C715
E701
L3
51
J
D705
R357
C717
C353
1 2 3
R355
C355
1
C
B
D401
R403
2
R405
C719
(REP1615D-M)
CURRENT DRIVE AMP(R) P.C.B.
E
C
B
Q364
R366
R362
C
B
Q360
J
Q356
E C B
J
R376
R374
C360
J
TH352
5
R398
J
E
C358
Q354 E C B
J
C352
R352
C
B
Q358
R370
R372
R354
E
C
B
Q362
R360
E
R368
E C B
Q352
R364
L
J
4
J
CN302
R704
J
CN304
1 2 3 4 5
1 2 3 4 5 6 7 8
W402
J
J
2
52
C718
3 2 1
C716
CP704
1
D704
R384
R382
R380
3
R378
6
D702
CP702
L3
Q402
B C E
R358
C356
J
R702
R402
R356
C354
R404
1
E702
2
D706
W352-2
W352-1
3
CP656
C706
1
D402
C708
D708
C714
2
C720
R406
(REP1615D-M)
7
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.
K CURRENT DRIVE AMP(L) P.C.B.
1F
Q351
3F
Q401
2D
Q353
3F
D401
2D
Q355
3B
D701
1C
Q357
3B
D703
1D
Q359
3B
D705
1B
Q361
3B
D707
1E
Q363
2F
TH351
L CURRENT DRIVE AMP(R) P.C.B.
8
Q352
Q354
Q356
Q358
Q360
Q362
Q364
4B
5C
5C
4C
4D
4B
4E
Q402
D402
D702
D704
D706
D708
TH352
6A
6A
6E
6E
6E
6E
5B
L351
CN301
CN303
CP655
CP701
CP703
W351-1
3D
2E
2B
3D
3C
3B
3E
W351-2
W401
E701
R351
R353
R355
R357
3E
3A
3A
2F
2F
3E
3E
R359
R361
R363
R365
R367
R369
R371
1C
1E
1C
2E
2C
2D
2B
R373
R375
R377
R379
R381
R383
R397
2E
2B
3E
3E
3E
3F
1D
R401
R403
R405
R701
R703
C351
C353
3F
3F
3B
2C
3B
2E
3D
C355
C357
C359
C705
C707
C713
C715
3E
2B
2B
3C
3D
3B
3A
C717
C719
3B
3A
L352
CN302
CN304
CP656
CP702
CP704
W352-1
6C
5B
5E
6C
6D
6F
6C
W352-2
W402
E702
R352
R354
R356
R358
6B
6F
6F
5B
5B
6B
6C
R360
R362
R364
R366
R368
R370
R372
4C
5D
5B
4E
5C
5D
5B
R374
R376
R378
R380
R382
R384
R398
5E
5E
6A
6B
6B
6B
4C
R402
R404
R406
R702
R704
C352
C354
6A
6A
7E
6E
5D
5A
6B
C356
C358
C360
C706
C708
C714
C716
6C
5E
5E
6C
6D
6F
6F
C718
C720
6F
7F
A
J
C
B
D
E
F
VOLTAGE CONTROL AMP(R) P.C.B.
1
TP302
R272
R254
C260
R276
D266
C318
C258
3
C310
R330
C256
1 2 3 4
J
R314
IC302
8 7 6 5
J
C252
R262
C312
Q302
B C E
Q304
B C E
D302
D304
C314
C316
R304
B C E
Q308
C304
R328
Q256
B C E
C306
D254
R312
CP202
1
2
3
4
5
6
J
Q306
B C E
C308
R318
R320
C302
R322
C322
J
J
R302
D306
D308
R326
R308
R306
R310
CP302
R324
8 7 6 5 4 3 2 1
J
J
CP304
5 4 3 2 1
4
R316
B C E
Q258
R266
C320
J
Q262
B C E
D256
Q260
B C E
D258
J
J
Q264
G
D
S
R264
R268
D260
Q254
B
C
E
R256
2
D264
J
R274
1 2 3 4
C254
D268
D262
VR252
R258
TH252
R278
VR302
R270
Q266
G
D
S
1 2 3
J
TP252
(REP1615D-M)
ELECTRICAL PARTS LOCATION
Ref. No.
Lo. No.
Ref. No.
Lo. No.
J VOLTAGE CONTROL AMP(R) P.C.B.
5
P
SPEAKER TERMINAL(R) P.C.B.
SPEAKERS (Rch)
(B)
(A)
6
C656
C652
W656-2
W656-1
W652-1
52
W652-2
L6
L6
54
C654
C658
JK652
7
(REP1615D-M)
8
IC302
Q254
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
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
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
P SPEAKER TERMINAL(R) P.C.B.
L652
L654
W652-1
W652-2
W656-1
W656-2
7D
7B
7C
7B
7C
7B
JK652
C652
C654
C656
C658
6C
7C
6B
6D
6B
G
I
H
J
K
L
CP191B
1
J
R103
C201
R201
R104
C202
R202
C210
C206
C208
R208
R228
R230
R224
J
C224
R204
C204
R210
C214
J
R206
C216
C228
J
J
J
10 11 12 13 14 15 16 17 18
IC202
J
J
D208
Q202
B
C
E
C226
R218
C222
C220
Q204
B
C
E
R226
R212
C218
R214
J
2
3
R216
R220
C230
R222
C232
Q210
B
C
E
Q208 Q206
B
B
C
C
E
E
J
C209
C205
C207
R207
R227
R229
R223
R225
J
IC201
J
J
10 11 12 13 14 15 16 17 18
VR501
J
J
J
VR502
C223
R205
C215
R209
C213
R203
C203
E101
Q201
B
C
E
C225
D207
C227
R211
C217
C219
Q203
B
C
E
R217
C221
R215
R219
R221
C229
C231
Q209
B
C
E
Q207 Q205
B
B
C
C
E
E
R213
J
9 8 7 6 5 4 3 2 1
R510
9 8 7 6 5 4 3 2 1
R509
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.
3B
3B
3B
2B
3C
3C
3B
2B
4J
4J
2B
2C
2L
4A
1A
3A
2A
4L
2K
2J
2J
2I
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
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
3C
3C
2C
2C
3A
3B
3B
3B
3B
3B
3B
2C
2C
2C
3C
3C
3B
2B
2C
2C
2J
2I
C203
C204
C205
C206
C207
C208
C209
C210
C213
C214
C215
C216
C217
C218
C219
C220
C221
C222
C223
C224
C225
C226
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
7D
S603
7C
S604
7B
CN602
7B
Lo. No.
D MAIN P.C.B.
IC201
IC202
IC451
IC501
IC502
Q201
Q202
Q203
Q204
Q205
Q206
Q207
Q208
Q209
Q210
Q451
Q503
D207
D208
D451
D452
D453
4G
2G
4D
2D
2B
4F
2F
4F
2F
4E
2E
4E
2E
4E
2E
4C
3B
4F
3F
3C
4C
4C
D501
D502
D503
D504
D505
D506
D507
D508
VR501
VR502
TH501
TH502
CP191B
W201
W202
W403
W601
E101
R103
R104
R201
R202
F SEAKER SW P.C.B.
S601
7D
S602
4F
2F
4E
3E
4E
2E
4D
4D
4D
4D
3C
3D
3D
3D
3D
3C
3C
4B
3B
3B
A
1
D
C
B
D
E
F
MAIN P.C.B.
W202
6
5
(REP1616D-S)
SPEAKER SW P.C.B.
S603
(B)
S602
(A)
J
7
S604
(A+B)
(SPEAKERS)
(REP1616D-S)
8
S601
(OFF)
C208
R206
C216
R204
R208
R228
R210
C214
R230
R224
C228
C226
J
J
D208
R226
R212
R214
C218
C220
IC202
R203
R205
C215
C207
R207
R227
R229
R225
R223
R209
C213
Q201
B
C
E
C225
J
10 11 12 13 14 15 16 17 18
J
D207
C227
R211
R213
C217
C219
Q203
B
C
E
R217
C221
R215
R219
C231
C229
R454
C451
R455
C452
C453
D452
5
4
3
2
1
R221
C455
D451
D453
C454
Q451
B
C
E
R456
C508
9 8 7 6 5 4 3 2 1
J
1
2
3
4
5
R218
C222
C230
R505
C503
Q209
B
C
E
Q207 Q205
B
B
C
C
E
E
IC451
J
J
6
CN602
10 11 12 13 14 15 16 17 18
R512
J
F
Q202
B
C
E
9 8 7 6 5 4 3 2 1
W201
6
Q204
B
C
E
R503
C501
R501
R451
R452
C502
R502
R457
D506
R504
C505
R506
C504
R527
R528
J
D501
R519
R517
R518
D502
R529
D507
J
R511
C509
C510
R520
R521
R516
J
Q503
B
C
E
D503
R523
C506
D505
R525
R526
R524
J
IC502
4 3 2 1
R216
9 8 7 6 5 4 3 2 1
R220
C232
IC501
R515
R513
R508
R507
Q210
B
C
E
Q208 Q206
B
B
C
C
E
E
5 6 7 8
J
4
W403
11
10
9
8
7
6
5
4
3
2
1
TH502
D504
W601
10
9
8
7
6
5
4
3
2
1
TH501
R530
D508
R532
2
3
J
R531
R222
5
4
3
2
1
IC201
9 8 7 6 5 4 3 2 1
A
D
E
E
LED P.C.B.
W604
1
2
3
4
F
LIGHT SW P.C.B.
D621
(VOLTAGE
CONTROL)
C551
W551
4
3
2
1
(AMPLIFIER OPERATION MOTOR)
OFF
2
ON
C552
G
D622
(CURRENT
DRIVE)
1
C
B
S551
(METER LIGHT)
(REP1616D-S)
(REP2720A-P)
I
VOLTAGE CONTROL AMP(L) P.C.B.
3
R323
J
CP301
R309
1 2 3 4 5 6 7 8
J
CP303
1 2 3 4 5
R305
Q261
B C E
J
C253
R277
D267
R267
J
R321
R301
C321
R311
R327
C305
D305
D307
R317
R319
Q305
B C E
Q307
B C E
C313
C315
D301
J
R325
C301
C259
C303
J
R303
J
Q257 B C E
D255
C255
TH251
R273
Q263
G
D
S
R257
D265
R271
VR251
3 2 1
Q259
B C E
J
C251
D303
1 2 3 4
IC301
B C E
Q301
R313
8 7 6 5
C309
R329
J
B C E
Q303
C311
D253
B C E Q255
CP201
6
5
4
3
2
1
J
D257
R255
R315
R261
C257
J
R253
R269
R275
J
J
Q253
B
C
E
C307
J
Q265
G
D
S
J
D261
C317
5
R307
R263
D263
C319
J
4
D259
J
R265
VR301
TP251
4 3 2 1
TP301
6
(REP1615D-M)
ELECTRICAL PARTS LOCATION
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
D622
1B
W604
1A
W551
2F
C551
2E
C552
2E
D305
D307
VR251
VR301
TH251
CP201
CP301
CP303
TP251
TP301
R253
4E
4E
5B
6E
5B
5F
3E
3B
5B
6F
5B
R255
R257
R261
R263
R265
R267
R269
R271
R273
R275
R277
5B
5B
5C
4C
5C
4C
5C
5B
5B
5C
4C
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
R301
R303
R305
R307
R309
R311
R313
R315
R317
R319
R321
4D
4D
3D
4D
3D
4D
5D
5D
4E
4E
4E
R323
R325
R327
R329
C251
C253
C255
C257
C259
C301
C303
3D
4F
4D
5D
5C
4C
5C
5D
4C
4D
4D
C305
C307
C309
C311
C313
C315
C317
C319
C321
4D
4D
5E
5E
4E
4E
4B
4B
4D
G LED P.C.B.
7
D621
1C
E LIGHT SW P.C.B.
S551
2E
I VOLTAGE CONTROL AMP(L) P.C.B.
8
IC301
Q253
Q255
Q257
Q259
Q261
Q263
Q265
Q301
Q303
Q305
5D
5C
5D
4C
5C
4C
5C
5C
5E
5E
4E
Q307
D253
D255
D257
D259
D261
D263
D265
D267
D301
D303
4E
5D
5C
5C
4C
5C
4C
5C
4C
5E
5E
A
H
1
C
B
D
E
F
SPEAKER SELECT LOGIC P.C.B.
W604
1 2 3 4
C
R624
LAMP(B) P.C.B.
R622
D623
W505-4
B
LAMP(A) P.C.B.
PL502
ELECTRICAL PARTS LOCATION
Ref. No.
PL501
R623
R621
J W505-3
2
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
CP501
2
1
J
PL504
J
3
PL503
CP603
4
3
2
1
PL505
PL506
CP551
5
4
3
2
1
PL507
PL508
4
J
CP601
10
9
8
7
6
5
4
3
2
1
D601
R619
R612
PL509
PL511
PL513
Q602 B C E
D628
D617
R609
J
R608
R605
D607
R610 D616
D603
D604
Q604 B C E
8
1 2 3 4
W505
PL515
Q603 B C E
PL516
D618
(A+B)
R607
J
PL514
R616
D612
D608
D627
D620
(B)
R620
R613
D629
PL501
PL503
PL505
PL507
PL509
Q601 B C E
D613
D610
D611
D609
D615
D614
R617
(SPEAKERS)
7
J
R606
D602
D606
J
Lo. No.
6A
6A
7A
7A
8A
6A
6B
8A
8A
6B
6B
8B
7B
7B
7B
7B
7B
7B
7B
7B
8B
7B
7A
6A
7A
2B
5B
5B
6A
7A
7A
7A
6A
5A
CP501
CP502
CP551
CP601
CP602
CP603
W505
W604
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R616
R617
R619
R620
R621
R622
R623
R624
C601
C602
C603
C604
C610
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
2C
3C
3C
4C
5C
PL512
PL514
PL516
W505-3
W505-4
6C
7C
7C
2C
2C
PL511
PL513
PL515
W505-1
W505-2
6D
7D
8D
8D
8D
B LAMP(A) P.C.B.
D605
D619
(A)
C603
C604
R604
R602
C602
C601
R601
1
2
3
4
5
6
7
PL512
14
13
12
11
10
9
8
6
PL502
PL504
PL506
PL508
PL510
R603
IC601
D626
D641
D640
J
Ref. No.
C LAMP(B) P.C.B.
J
D625
D624
C610
PL510
J
CP502
2
1
5
Lo. No.
H SPEAKER SELECT LOGIC P.C.B.
R611
1 234 5
CP602
J
(REP1616D-S)
W505-1
(REP1616D-S)
W505-2
(REP1616D-S)
2D
3D
4D
4D
5D
A
C
B
O
1
D
E
F
SPEAKER TERMINAL(L) P.C.B.
SPEAKERS (Lch)
(A)
(B)
C657
2
L6
L6
53
51
C653
C651
C655
JK651
W651-2
W655-2
W655-1
W651-1
3
(REP1615D-M)
M
CAPACITOR P.C.B.
ELECTRICAL PARTS LOCATION
C703
C704
4
Ref. No.
Lo. No.
Ref. No.
Lo. No.
O SPEAKER TERMINAL(L) P.C.B.
W702-3
W701-3
W702-2
W701-2
W702-1
W701-1
L651
L653
W651-1
W651-2
W655-1
W655-2
5
3B
3D
3D
3C
3C
3D
JK651
C651
C653
C655
C657
2C
2C
2D
2B
2D
W702-3
C701
C702
C703
C704
5B
5C
5B
4C
4B
C701
C702
M CAPACITOR P.C.B.
W701-1
W701-2
W701-3
W702-1
W702-2
5D
5D
5D
5B
5B
A INPUT TERMINAL P.C.B.
(REP2720A-P)
6
A
INPUT TERMINAL P.C.B.
DIRECT
NORMAL
(R)
LEVEL
CONTROL
(L)
JK101
E
R
L194
R194
C194
R196
J
L193
C193
R193
C192
J
L
L192
L191
C191
R191
7
R
R192
L
E
VR192
VR191
R195
CP191A
8
3 2 1
(REP2720A-P)
VR191
VR192
L191
L192
L193
L194
CP191A
JK101
R191
8D
8C
7A
7B
7B
7B
8B
7B
7A
R192
R193
R194
R195
R196
C191
C192
C193
C194
7A
7B
7B
8B
8B
7A
7B
7B
7B
M5219P
IC301 ( IC302 )
DIFFERENTIAL AMP
3
2
1
4
8
Floating
power
supply
ICQ
adj.
Q301,303,
Q305,307
(Q302,304,
Q306,308)
Q353
(Q354)
Q357,361
(Q358,362)
Pre
drive
Driver
Q351
(Q352)
Q355
(Q356)
Q359,363
(Q363,364)
Pre
drive
Driver
–B2 +B2
(-B3) (+B3)
HEADPHONES
R ch
CLASS AA BRIDGE
BA6138
IC501
METER DRIVE AMP
6
(4)
A
M5218AP
IC502
BUFFER AMP(METER)
SPEAKERS
–B1 +B1
8(2)
1/2 Square
compresser
Rect.
4
7(3)
+
5
9
VR501
(VR502)
(METER
ADJ.)
8
3(5)
2(6)
POWER
1 D507 METER
(7) (D508)
D503
(D504)
+B1
B
Q651
-B1
D601
D612
S604
(A+B)
D613
1
14
2
7
Q601
RELAY
DRIVE
Q602
RELAY
DRIVE
D602
3
D610
S603
(B)
D627
D611
5
D608
S602
(A)
D609
D614
S601
(OFF)
D615
D619
(A)
4
6
8
D603
10
9
D605
12
D606
11
13
Switching Q503
D604
D607
D616
D617
MN400IB
IC601
SPEAKER SELECTOR
+B1
Notes
Signal line
(
Q603
LED DRIVE
: Source signal
) indicates pin No. Right channel.
Q604
LED DRIVE
D628
D620
(B)
D629
D618
(A+B)
D625
D624
RL652
D626,
640,
641
RL651
+B1
RL653
Power
supply
+B2
(+B3)
AN7062N
IC201 ( IC202 )
VOLTAGE AMP
14
13
15
Q255(Q256)
Limitter
12
Current
mirror
D253
(D254)
Q201
(Q202)
Q259,263
(Q260,264)
MOS
class AA
amp.
11
DIRECT(NORMAL)
INPUT
17
16
VR191
(LEVEL
CONTROL)
Cascade
Current
stabilizer
Bias
10
18
Muting
4
MOS
class AA
amp.
Pre
drive
Q203
(Q204)
Current
mirror
Q261,265
(Q262,266)
+B
8
6
ICQ
adj.
–B2
(-B3)
9
Cascade
5
Q253
(Q254)
1
2
3
–B2
(-B3)
Q205,207
(Q206,208)
D255
(D256)
Q257(Q258)
Limiter
7
+B2
(+B3)
NFB
Q401(Q402)
Over load
det.
D451
D621
(VOLTAGE CONTROL)
9
7
+B1
–B1
+
+
D623
5
Q451
AN7073
IC451
MUTING/PROTECTION
2
Regulator
Over load
det.
Muting
DC det.
8
D622
(CURRENT DRIVE)
Relay
drive
–B1
1
AC det.
GND
4
3
D751-754
+B1
T1(L ch)
S1
(POWER)
–B1
F1
D701,703,705,707
+B2(L ch)
L1
AC IN
–B2(L ch)
T2(R ch)
D702,704,706,708
+B3(R ch)
F2
PL501,503,505,
PL507,509,511,
PL513,515
S551
(METER LIGHT)
–B3(R ch)
PL502,504,506,
PL508,510,512,
PL514,516
3
.
1
WHT/BLK
WHT/RED
AC IN
CP4
CP3
1.3
1.3
1.3
R SPEAKER TERMINAL(R) P.C.B.
CP2
W652-1
W656-1
W656-2
W652-2
W1-2 W1-1
WHT/BLK
WHT/RED
Q FUSE P.C.B.
1
2
WHT/ORG
WHT/BRN
1
2
WHT/BLK
WHT/GRY
M CAPACITOR P.C.B.
1
.
.
4
BRN
ORG
BLK
RED
1
.
3
ORG
BLK
RED
GRY
T2
(Power transformer)
ORG
1
.
3
3
.
1
1
.
3
WHT/BLU
W701-3
W702-3
WHT/BLK
W701-2
W702-2
WHT/BLK
WHT/RED
W701-1
W702-1
WHT/RED
WHT/BLU
W402
1
.
3
1
.
3
(SOLDER SIDE)
1
.
3
CP704
3.1
CN304
L
5.
.
.
1
CURRENT
DRIVE
AMP(R) P.C.B.
W653
CP403
1.3
1 . . . . . . . . . 11
W603
1. . 4
1. . 4
CP405
1
.
3
CP406
RED
BLK
CP401
CP702
1
.
3
21
CP656
CP352
CP351
N
1
2
RELAY
P.C.B.
VOLTAGE
CONTROL
AMP(R) P.C.B.
CP402
1. . 4
1.3
J
1
.
3
1. . 4
CP304
1
2
1
2
WHT/BLK
WHT/ORG
W352-1
W352-2
CN302
CP652
8.
.
.
.
.
.
1
CP302
CP202
6. . . .1
1
2
CP651
1
2
B LAMP(A) P.C.B.
RED
W505-1
BLK
W505-2
C LAMP(B) P.C.B.
GRY
W505-4
BRN
W505-3
NOTE:
.... Black
.... Blue
.... Brown
.... Gray
BLK
BLU
BRN
GRY
ORG .... Orange
RED .... Red
WHT .... White