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SCHEMATIC DIAGRAM-19
Q306
KRA102STA
MUTING CONT.
0.1V
5.1V
8.6V
Q366
KRC102STA
SWITCHING
W
H
d
P
a
R
R233
220K
N
T
R302
C305
18K
1500P
C306
50V0.1
B
L
g
R303
J
10
-7.8V
C304
10V330
I
h
K
A
M
R433
220K
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:CD-DA/V-CD (AUDIO) SIGNAL LINE
:FM SIGNAL LINE
Q200,400
KTD1304TA
MUTING
R221
1K
-2.4V
-2.4V
R421
1K
-2.4V
D316
R341
1SS355TE17
4.7K
R331
0V
22K
3.1V
C207
50V1
R310
1K
64
63
62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
0V
65
BP IN
VIDEO/MD
66
0V
TUNER
67
0V
TAPE PB
68
0V
CD
R ch
69
EXT IN
70
0V
PHONO/AUX
71
72
AV
SS
AGND
73
0V
74
PHONO/AUX
EXT IN
75
0V
CD
L ch
76
0V
TAPE PB
77
0V
TUNER
78
VIDEO/MD
79
0V
DEL
80
1
2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
R306
1.2K
R304
22K
C407
50V1
Z O
b
:AM SIGNAL LINE
:TAPE PLAYBACK SIGNAL LINE
:TAPE RECORD SIGNAL LINE
IC302
M5218AP
BUFFER AMP
C225
50V3.3
0V
Q200
Q400
0V
C425
C329
50V3.3
0.1
47 46 45 44 43 42 41
BUF IN2
GRAPHIC EQUALIZER
BUF NF2
BUF OUT2
IC303
M62433AFP
DIGITAL SOUND
CONTROLER
PORT B
PORT A
BUF OUT1
GRAPHIC EQUALIZER
BUF NF1
BUF IN1
18 19 20 21 22 23 24
:MIC SIGNAL LINE
-7.9V
C228
R225
R224
16V10
3.6K
18K
C229
C230
100P
47P
-7.9V
0V
0V
0V
4
3
2
1
5
6
7
8
0V
0V
0V
7.7V
C429
C430
C428
100P
47P
16V10
R425
R424
3.6K
18K
R321
2.7
C223
C218
50V3.3
50V0.15
R217
68K
C220
C222
1000P
470P
C219
50V0.15
0V
40
BB2
0V
R216
39
2.2K
0V
38
0V
37
7.7V
36
AV
DD
C314
150P
35
DGND
5V
34
LATCH
0V
33
DATA
0V
32
CLK
5.1V
31
DV
DD
R456
4.7K
0V
30
0V
29
0V
28
0V
27
R416
C421
0V
26
2.2K
0.068
0V
25
BB1
C420
C422
1000P
470P
R417
68K
C418
50V0.15
Q304
KTC3875GRTA
SWITCHING
D311
0V
1SS355TE17
0.1V
R248
R249
39
39
H I
R226
C242
100
50V3.3
R448
R449
39
39
R426
C442
100
50V3.3
7.7V
R322
270
C221
0.068
U
V S
Q
5V
10.4V
14.8V
-7.9V
7.7V
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