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AO
AP
MAIN BOARD
CP401
RDSCLK
1
12
RDSDATA
2
13
CE
3
14
+12VA
1
DI
4
15
CLK
5
16
DO
6
17
DGND
7
FMVSM
8
R421
NC
9
10
+12V
10
+12VA
NC
11
C401 4.7u50
L OUT
12
+
AGND
13
C402 4.7u50
R OUT
14
+
C403 4.7u50
MUTE
15
18
+
TUNED
16
19
R424 470
C404 4.7u50
+
2
5.0V
C405 4.7u50
STEREO
17
5.0V
+
Q401
C406 4.7u550
5.0V
+
C407 4.7u50
+
R425 470
C408 4.7u50
+
CP402
PB-L
1
REC-L
2
DVD-
CN908
AGND
3
AGND
4
1/4
REC-R
5
PB-R
6
3
A
GND
7
GND
8
F-3
+12V(A)
9
+12VA
+12V(A)
10
+12VA
+12V(M)
11
+12VM
+12V(M)
12
+5V
13
JK402
R472
470
Lch
AUX IN
R473
R477
470
56K
Rch
4
AUX OUTPUT
AMPLIFIER
Lch
-11.0V
AUX OUT
0V
R462
C470
4
R491
0V
1K
4.7u50
1
Rch
+
1K
R463
D1
R460
4.7K
15K
0.6V
D2
Q406
C466 100P
C441
0V
0.1
R464
C467 100P
Q407
4.7K
R467 15K
0.6V
R466
C473
0V
1K
4.7u50
7
+
0V
8
5
AUX OUTPUT
12.0V
1dB STEP
Q408
ATTENUATION
4.0V
0V
4.0V
CN352
CP352
1
1
M
2
2
+12VM
6.0V
R357
R356
0V
R355 100
4.7K
4.7K
7.0V
FAN MOTOR
-0.6V
R372
R371
Q255
R358
0.6V
Q256
4.7K
4.7K
10K
6.0V
0V
12.0V
Q253
0V
R373
0.7V
Q257
10K
12.0V
CN350 CP350
6
0V
12.0V
1
1
0.2V
2
2
Q254
0V
CN351
CP351
2
2
1
1
FRONT-
CP804
1/4
F
7
AQ
AR
+12VA
R402
100K
FUNCTION SELECTOR/
TONE/VOLUME
CONTROL
IC401
5.3V
11
5.3V
12
ATT
6
4.6V
VOLUME
TREBLE
MODLE
BASS
L-CH
5.3V
13
29
0V
5.3V
14
30
4.6V
I'CBUS DECODER+LATCHES
5.3V
10
1
4.5V
5.3V
9
5
5.0V
VOLUME
TREBLE
MODLE
BASS
ATT
5.3V
8
R-CH
3
10.5V
5.3V
7
5.3V
SUPPLY
4
0V
5.3V
5.3V
5.3V
+12VA
+12VA
+12VM
+12VM
9.0V
+12VA
IC403
C422
0.022
1
14
VDD
2
13
3
12
0V
4
11
0V
R438
100K
9.0V
5
10
0V
6
9
9.0V
7
8
VSS
12VA
R457
220
12VA
12VA
C465
Q404
3
0V
4.7u50
9.0V
0V
+
2
IC406
0V
(1/2)
9.0V
Rch
Q403
Q410
0V
0V
Lch
0V
0V
0V
Q409
IC406
6
C468
3.0V
(2/2)
5
0V
4.7u50
+
R470
0V
220
+12VA
+12VA
R244
Q258
22K
+12VM
+12VM
6.0V
Q252
-2.0V
0V
Q259
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CP404
RECORDING LINE
SIGNAL LINE
GND LINE
B LINE
+B
B
B LINE
AS
AT
12VA
+12VA
+12VA
+12VM
PRE
AMPLIFIER
+12VA
R414
IC402
-9.0V
220
(1/2)
C416
C431
R263
4.7u50
4
0V
3
4.7u50
1K
1
0V
+
0V
2
+
0V
1.0V
R413 47K
R264
R405 1K
30
4.7K
C433
C450
R406 1K
Q219
0.15
0.15
1
0V
C420
4.7u50
R431 5.6K
11
+
R432 5.6K
8
C434
C453
0.15
0.15
R418 47K
C436
0V
6
4.7u50
7
5
0V
+
0V
IC402
8
(2/2)
9.0V
R293
220K
-1.0V
0V
R271
4.7K
Q224
+12VA
+12VM
0V
-9.0V
Q223
+12VA
5.0V
+12VA
5.0V
11
0V
0V
8
12VA
12VA
12VA
Q245
5.0V
11.0V
+5V
5.0V
DIFFERENTIAL
AMPLIFIER
C252
100u16
12.0V
11.0V
+
Q244
12.0V
+12VA
1 2 3
CP405
L-7
AU
AV
+B
46.0V
POWER
DIFFERENTIAL
VOLTAGE
C208
AMPLIFIER
AMPLIFIER
AMPLIFIER
45.0V
100P
48.0V
R256
Q217
R237
30.0V
D235
Q212
10K
100
1.0V
C213
C212
10P
8P
1.0V
R250
-0.4V
0.6V
Q213
C218
R261
Q218
R254
3.3K
Q220
1.0V
Q215
4.7u50
560
56K
0V
0V
+
-46.0V
1.0V
-0.5V
R259
C215
45.0V
47
820P
0V
Q250
R248
Q243
0V
100
C216
C211
-1.0V
Q214
47P
0V
-1.0V
47P
C210
-30.0V
100P
-46.0V
VR201
-48.0V
-46.0V
IDLE
Q221
Q216
CURRENT
ADJ.(Lch)
-46.0V
B
B
VR202
-46.0V
IDLE
Q222
Q227
R340
-46.0V
CURRENT
-46.0V
10
ADJ.(Rch)
C221
-0.4V
C226
C227
48.0V
47P
47P
R286
100P
-30.0V
Q249
Q230
100
0V
-1.0V
0V
1.0V
46.0V
Q229
R276
C222
0V
47
820P
-46.0V
C219
R274
R280
1.0V
4.7u50
560
56K
0.5V
+
R292
-0.5V
0V
Q225
Q226
-1.0V
3.3K
0V
R297
C225
0.5V
D234
Q228
100
C224
8P
R200
10K
10P
1.0V
Q233
Q232
45.0V
C229
30.0V
VOLTAGE
100P
48.0V
46.0V
AMPLIFIER
+B
POWER
AMPLIFIER
1
2
CURRENT
PROTECTION
R322
R319
18K
18K
R320
Q239
D228
12.0V
0V
560 1W
+12VA
12.0V
12.0V
K201
Q240
0V
0V
Q241
0V
+12VA
+12VA
DC
FRONT SPEAKER
PROTECTION
RELAY ON/OFF
0V
3.0V
Q242
R327
2.2K
0.6V
Q251
0V
5
6
4 5
Q201,202,236,252,255
Q210,211 : 2SC5198
IC401 : TDA7439D
: KTC3205Y
Q212,234 : 2SC5200
IC402,406
Q203,204,217,232,235,
Q213,233 : 2SC4793
: BA4558
237,238
: KTA1024
Q214,230 : 2SA1943
IC403 : MC14066
Q205
: KTB631K
Q215,228 : 2SC4883A
Q206,207
: 2SA1941
Q218,220,225,226
Q208,216,221,222,227,231,
: KTA1268
242,249,250
: KTC3200GR
Q219,224,246,247,
Q209
: KTD600K
406,407
: KTD1302
AW
AX
12VA
+12VA
+12VA
+12VM
+B
VDD CONTROL
POWER SUPPLY
48.0V
48.0V
48.0V
Q205
48.0V
Q207
Q206
48.0V
R233
D207
30.0V
30.0V
5.6K
12.0V
0V
0V
OVERLOAD
Q231
DETECTOR
0V
R227
D211
15K
D217
R228
D212
15K
D208
0V
12.0V
Q208
0V
VEE CONTROL
POWER SUPPLY
D206
-30.0V
-48.0V
Q211
-48.0V
-48.0V
Q209
D218
Q210
B
D221
R299
0V
5.6K
0V
Q234
Q235
0V
Q236
R306
0V
2.2K
0V
48.0V
Q237
0V
0V
+B
Q238
HIGH FREQUENCY
0V
-48.0V
LEVEL DETECTOR
+B
B
B
+B
+B
C266
JK203
0.01
L
FRONT
SPEAKERS
R
EX-BASS
CANCEL DRIVER
R364
R366
D232
47K
10K
0V
Q223,245,258,404,408,410
D1,2,202,205,208,209,
: DTA114YSA
211-213,217-219,221,
Q229,243
: 2SA1837
227,228,232-235
: 1N4148
Q239,244,253,256
D201,203,204,210 : 1N4004
: KTA1266(Y)
D206,207,229
: MTZ5.1J(B)
Q240,241,251,254,257
D222-225
: 1N5402
: KTC3198Y
D226
: MTZ13J(C)
Q259,403,409 : DTC114YSA
Q401
: KTA1266(Y)
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