2
6
7
8
5
3
4
1
62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
63
64
47 46 45 44 43 42 41
40
33
37
38
39
30
31
32
35
34
36
29
28
27
26
25
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
2
1
18 19 20 21 22 23 24
65
72
68
67
66
75
74
73
70
71
69
76
77
78
79
80
SCHEMATIC DIAGRAM-19
Q306
KRA102STA
MUTING CONT.
C317
50V1
R327
150K
R326
68K
R221
1K
R421
1K
Q400
Q200
Q200,400
KTD1304TA
MUTING
R220
100K
R420
100K
C225
50V3.3
R222
12K
C226
0.1
C426
0.1
R422
12K
R423
47K
R223
47K
C227
680P
C427
680P
C425
50V3.3
C329
0.1
IC302
M5218AP
BUFFER AMP
C318
0.01
C428
16V10
C429
100P
C430
47P
R425
3.6K
R424
18K
C229
100P
C230
47P
R224
18K
R225
3.6K
C228
16V10
C437
1000P
C432
3300P
R448
39
R426
100
C237
1000P
R226
100
C232
3300P
C242
50V3.3
R449
39
C442
50V3.3
R248
39
R249
39
H
I
R321
2.7
R322
270
C312
0.1
D302
UDZSTE175R1B
C320
0.01
R419
4.7K
C433
16V10
C233
16V10
R455
10K
C224
50V3.3
C424
50V3.3
C341
16V100
D316
1SS355TE17
D318
1SS355TE17
R341
4.7K
R331
22K
Q366
KRC102STA
SWITCHING
R233
220K
C207
50V1
W
H
d
P
a
R
R307
10K
N
T
R302
18K
C305
1500P
R301
22K
R305
10K
C306
50V0.1
R310
1K
C308
0.047
BP
OUT
K IN2
K OUT2
MIC IN
T
APE REC2
EXT
REC2
VCR REC2
DPL2
BP IN
VIDEO/MD
TUNER
TAPE PB
CD
EXT IN
PHONO/AUX
AV
SS
AGND
PHONO/AUX
EXT IN
CD
TAPE PB
TUNER
VIDEO/MD
DEL
R ch
L ch
IC303
M62433AFP
DIGITAL SOUND
CONTROLER
GEQ OUT2
VOL
IN2
VOL
OUT2
GRAPHIC EQUALIZER
BB2
BUF IN2
BUF NF2
BUF OUT2
AV
DD
DGND
LATCH
DATA
CLK
DV
DD
PORT B
PORT A
BUF OUT1
BUF NF1
BUF IN1
BB1
PS-IN
PS+IN
K IN1
K OUT1
T
APE REC1
EXT
REC1
VCR REC1
DPL1
GEQ OUT1
VOL
IN1
VOL
OUT1
GRAPHIC EQUALIZER
R303
10
B
L
g
J
I
h
K
A
M
C304
10V330
C208
C209
C210
0.068
0.18
0.022
0.039
C21
1
C212
0.022
3300P
C213
C214
2200P
2700P
C215
C216
1500P
C217
0.033
C218
50V0.15
C219
50V0.15
C218
3.3K
C220
1000P
C223
50V3.3
R217
68K
C222
470P
R216
2.2K
C221
0.068
C314
150P
R456
4.7K
R416
2.2K
C421
0.068
C422
470P
R417
68K
C420
1000P
C419
50V0.15
C418
50V0.15
R418
3.3K
C423
50V3.3
R453
4.7K
D311
1SS355TE17
R452
10K
Q304
KTC3875GRTA
SWITCHING
R433
220K
R309
3.3K
R308
3.3K
R306
1.2K
R304
22K
R344
10K
C307
1000P
C407
50V1
C408
C409
C410
0.068
0.18
0.022
0.039
C41
1
C412
C413
C414
0.022
3300P
2200P
C415
C416
C417
2700P
1500P
0.033
C316
R325
R324
C315
150P
2.2K
2.2K
150P
U
V S
Q
R323
2.2K
C313
0.1
Z O
b
R219
4.7K
0.1V
-2.4V
-7.9V
0V
7.7V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
-7.8V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
7.7V
5V
5.1V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0.1V
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:CD-DA/V-CD (AUDIO) SIGNAL LINE
:FM SIGNAL LINE
:TAPE PLAYBACK SIGNAL LINE
:TAPE RECORD SIGNAL LINE
:AM SIGNAL LINE
:MIC SIGNAL LINE
-2.4V
-2.4V
0V
0V
7.7V
0V
5V
10.4V
14.8V
7.7V
-7.9V
5.1V
8.6V
3.1V
0V
0V
-7.9V