U
V
X
Z
AB
AD
W
Y
AA
AC
AUDIO PROCESSOR
PLAYBACK
REC EQ.
Q603
Q604
Q401
Q402
SYSTEM MUTE
-20dB ATT
Q102
Q103
Q101
REC/PLAY
Q110
Q111
Q108
Q109
Q104
Q106
Q107
Q105
CNP102
CNP101
MUTING
SWITCHING
BI11
Lch 1
Rch 2
AUX IN
SO401
ERASE
Rch
Lch
Rch
Lch
PLAYBACK
HEAD
RECORD/
PLAYBACK
HEAD
TAPE 2
TAPE 1
ZD351
PLL
SW
FM
Q360
IF
MPX/AM
DET/FM
FM IF
CNP701
AM IFT
ERASE
HEAD
2
3
CHASSIS
CHASSIS
CNS101
CNS102
TRACKING
AM
VD301
AM BAND
COVERAGE
VD303
SW601
D301
D302
SPARE
SPARE
SPARE
SPARE
PIN103
IC401
IC101
MECHA BASE
IC302
IC303
TUNER/MAIN SECTION
0.7V
0.7V
0V
0V
0V
3.4V(3.6V)
2.3V(2.0V)
(2.0V)
1.8V
5.0V
2.3V
0V (2.4V)
2.4V
(1.8V)
2.3V (0.2V)
2.0V
1.2V
1.2V
FM ST : 3.9V
MONO : 2.2V
2.0V
5.0V
2.0V
2.0V
0V
MONO : 5.0V
2.9V (3.7V)
0V
FM ST : 0V
4.9V (5.1V)
3.8V(1.2V)
(1.9V)
3.8V
2.5V
0.7V
0.7V
5.0V
2.5V (0V)
(2.5V)
0V
0.1V
2.4V
2.4V
(9.9V)
0V
(0V)
3.8V
3.9V
MONO :
0V
FM ST :
5.0V
0V
8.3V (0V)
(10.0V)
9.3V
10.0V
12.2V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
10.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
REC : 9.8V
PLAY : 8.0V
REC : 9.8V
PLAY : 7.3V
PLAY : 0V
REC : 9.8V
REC : 0V
PLAY : 4.0V
0.5V
2.0V
0V
0V
B DECK : 0V
A DECK : 2.7V
0V
0.6V
4.2V
0.6V
2.0V
1.3V
0V
0.6V
3.5V
3.5V
ON : 0V
OFF : 5.1V
ST IND
OFF : 0V
MUTE ON : 1.3V
7.0V
10.0V
PLAY : 0V
REC : 3.7V
PLAY : 7.9V
0V
0V
0V
0V
0V
0V
0V
: 0.7V
PLAY
5.0V
4.9V(5.1V)
-12.8V
5.0V
5.0V
CCB
INTERFACE
AUX
DECK
CD
TUNER
D1
1
CLK 24
CE
2
3 VSS
L OUT
4
L BASS
5
6 L TRE
L IN
7
L SELO
8
L4
9
L3
L2
11
10
VREF 22
R OUT 21
R BASS 20
R TRE 19
R IN 18
R SELO 17
R4 16
R3 15
R2
R1 13
14
L1
12
VDD 23
1
T1
T1
24
Hich=T1
112K
112K
2
T2
NF
3
OUT
4
NC
5
6
T2
23
22
NF
21
OUT
SELECT
19
NC
20
56K
56K
Hich=CHROME
REC IN
7
8
OUT
9
REC IN
18
17
OUT
16
T1/T2
15
N or/CrO2
NC
10
ALC
11
14
RIPPLE
13
VCC
GND
12
47u16
+
C406
1u50
+
C426
1u50
+
C422
1u50
+
C418
0.15
C412
0.1
C410
3.9K
1u50
+
C428
10K
R418
1u50
+
C424
4.7u50
+
C420
10K
R410
10u50
+
C408
3.9K
1u50
+
C425
1u50
+
C421
1u50
+
C417
47P
C441
10K
R417
R427
1u50
+
C427
1u50
+
C423
4.7u50
+
C419
3.9K
R415
0.15
C411
0.1
C409
10u50
+
C407
C413
1500P
C414
1500P
1
2
10K
1000P
C616
1000P
C615
2.2K
R616
2.2K
R615
2.2K
R408
330
R614
3.9K
R404
1000P
C402
1000P
C401
3.9K
R403
2.2K
R407
330
R613
22K
R425
+
C403
22u50
+
C617
2.2u50
22K
R619
330
R401
330
R402
100K
R118
1K
R114
330P
C114
330P
C112
+
C108
100u16
56
R116
100u25
+
C116
0.033
C118
5.6K
R122
1u50
+
C122
3.9K
R120
560P
C120
5.6K
R124
R126
C126 270P
22u50
+
R130
4.7K
R103
10K
R101
10K
R102
6.8K
R128
C134 47u25
+
C132 3300P
C136 22u50
+
C138 220u10
+
1.2K
10K
R141
10K
R140
0.033
C119
100K
R119
330P
C113
100u25
+
C117
1K
R115
330P
C115
560P
C121
3.9K
R121
5.6K
R123
1u50
+
C123
56
R117
C127 270P
R129
6.8K
R127
+
C139
3.3u50
0.022
C137
5.6K
R125
1.2K
0.022
100
+
22u25
10K
R135
+
C135
47u25
3300P
C133
R133
C131
R131
C129
4.7K
15K
R138
560P
C107
560P
C106
2.2K
R107
3.3K
R109
3.3K
R108
4.7K
R
111
47K
R1
13
4.7K
R1
12
2.2K
R106
47K
R1
10
180P
C104
180P
C105
1
2
3
4
5
6
7
M GND
ERASE
T2 R2
A GND
T2 R1
T2 L1
T2 L2
T1 R
A GND
T1 L
2
3
1
560P
C102
560P
C103
1K
R105
1K
R104
150
R157
Q101,104-109
1
2
3
4
5
6
R-ch
A GND
L-ch
CD GND
CD +5V
1
2
3
4
5
6
2.7K
R420
2.7K
R419
680P
C430
15K
R422
680P
C429
15K
R421
470K
R424
220K
R142
6
7
3
5
4
2
1
3
2
1
5.6K
C385
X352
FM IN
VDD
A O
U
T
X OUT
R387
15P
5
6
3
4
1K
R372
1K
R373
R374
1K
R386
22K
R378
1K
C382
FM/AM
DO
CL
CE
NC
X IN
5
DI
4
3
2
1
7
6
C381
12P
VSS
20
21
22
PD
A I
N
16
17
18
19
+
R379
2.2K
150
R382
C387
C392
1000P
C380
10u16
R380
1.5K
TP301
C393
1u50
R381
10K
+
+
C394
47u16
C397
0.022
AM IN
R359
1.8K
4.7K
R360
R376
47u16
C391
R384
5.6K
8
9
10
1K
+
5.6K
ST
IND
MO/ST
FM/AM
IF CONT
11
10
9
8
R385
R383
5.6K
R391
270 1/4W
R392
270 1/4W
IF IN
SD
NC
12
13
14
15
330P
0.01
C386
C396
100u10
C395
0.022
R377
47K
0.022
L351
100uH
+
R351 5.6K
PHASE(FM/AM)
AM MIX OUT
R393 1K
CF352
C353 0.022
C350 0.022
10u16
C352
T351
+
R352
1K
3
2
1
6
5
4
REG
FM IF IN
SD
GND
AM IF IN
R388
C356
1000P
C399 0.022
C354 0.022
8
9
10
C398
CF351
22P
C355
100u10
+
R355
3.3K
+
R353
270
3.9K
+
C357
2.2u50
9
8
7
C358
1u50
11
10
VCC
FM DET
STEREO
PHASE
IF OUT
12
1u50
2.7K
C365 0.022
C366 1000P
C363 0.022
C364
0.22u50
R358
C361 0.022
AM LOW CUT
AM RF IN
AM OSC IN
AM OSC OUT
FM AFC
VSM
3.9K
21
22
23
24
19
20
+
C367
C342 0.022
R365
10K
+
C362
3.3u50
R350
2.7K
R363
R364
2.7K
0.027
0.027
C369 27P
C374
C373
Lch OUT
Rch OUT
MPX VCO
FM/AM OUT
MPX IN
MO/ST
16
17
18
14
15
C372
X351
+
C368
1u50
+
+
1u50
+
C371
1u50
13
R361
2.2K
R362
2.2K
R356
1K
TP302
R357
470K
SP
DET
16
20
19
LA
TCH
MIC IN
18
17
SP
AN
SP
RL
Y
15
14
SW +5V
- 20dB
13
12
11
- 15V
M +12V
A
GND
REC/
8
10
9
SP
A
SIG
S MUTE
7
T
T1 T2
CLK
2
DO
4
6
5
T
BIAS
D GND
3
DI
1
CE
24
1
2
6
3
4
5
6
7
8
C150
22u25
+
10
16
17
10
220K
R143
470K
R423
1u50
+
47K
R395
1000P
C388
100
C130
0.022
C128
R132
R134
R136
10K
15K
R137
15V
15V
15V
+12V
+12V
68K
4.7K
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+12V
EQ
REC
EQ
REC
2.2uH
L102
2.2uH
L101
3.9K
R409
R416
R428
47P
C442
7
8
C445
220P
220P
C444
24
C443
220P
220u16
+
C404
CD+10V
PLA
Y
3
5
1
2
6
4
T306
560P
C335
R323 68K
C334 27P
0.047
C331
0.022
C332
T303
C323
0.022
6
1
C401
4
5
1000P
3
2
R336
10K
C313
22P
10K
R309
4.7K
R316
9kHz
10kHz
50kHz 100kHz
CF303
+B
+B
+B
+B
C370
27P
C337
L352
C101
0.047
0.047
C341
100P
C383
1000P
C302
19
20
3
2
17
18
C143
4700P
8
7
+10V
+10V
+10V
+10V
+10V
+10V
+10V
+10V
+10V
+10V
0.047
C326
470
R375
100uH
4700P
C144
15P
C330
+B
+5V
+5V
+5V
+5V
+5V
+5V
AU-3
R-6
