Panasonic SA-AK58 Service Manual page 133

SCHEMATIC DIAGRAM-16
I
To FL CIRCUIT(CP602) on SCHEMATIC DIAGRAM-13
1 2 3 4 5 6 7 8 9
CN302
D314
RL1N4003S-P
A
E
D
F
C
B
4.9V
7.4V
3.2V
5.3V
J
K
L
I
S
R233
220K
E
O
R302 C305
18K 1500P
C306
50V0.1
M
G
D
R303
B
10
-7.4V
C304 10V330
A
C
H
N
F
R433
220K
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
C B A
G F E D C B A
Q306
KRA102STA
MUTING CONT.
0.1V -2.4V
E G
C207
50V1
R310
1K
64 63 62 61 60 59 58 57 56 55 54
0V
BP IN
65
VIDEO/MD
66
0V
TUNER
67
0V
TAPE PB
68
0V
CD R ch
69
EXT IN
70
IC303
0V
PHONO/AUX
71
M62433AFP
AVss
72
DIGITAL SOUND
CONTROLER
AGND
73
0V
PHONO/AUX
74
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 18 19 20 21 22 23 24
R306
1.2K
R304
22K
C407
50V1
D F
:CD SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
IC302
M5218AP
BUFFER AMP
C329
0.1 16V10
Q200,400
KTD1304TA
MUTING
R421
1K
-2.1V
R221
1K
-2.1V
R323
2.2K
50V0.15
53 52 51 50 49 48 47 46 45 44 43 42 41
40
BB2
39
BUF IN2
38
GRAPHIC EQUALIZER BUF NF2
37
BUF OUT2
36
AV
DD
35
DGND
34
LATCH
33
DATA
32
CLK
31
DV
DD
30
PORT B
29
PORT A
28
BUF OUT1
GRAPHIC EQUALIZER
27
BUF NF1
26
BUF IN1
25
BB1
C418
50V0.15
Q304
KTC3875GRTA
SWITCHING
0V
14.5V
-7.5V
7.5V
10V
5.3V
:TAPE PLAYBACK SIGNAL LINE
:TAPE RECORDING SIGNAL LINE
C228 R225 R224 R248
16V10 3.6K 18K 39
C229 C230
100P 47P
-7.5V 0V 0V 0V
R226
4 3 2 1
100
R448
39
5 6 7 8
0V 0V 0V 7.5V
C429 C430
C428 R426
100P 47P
100
R425 R424
3.6K 18K
C433 R321 R322
16V10 2.7 270
0V
Q400
R419 C424
4.7K 50V3.3
Q200
0V C233 R219 C224
16V10 4.7K 50V3.3
C223
C218
16V10
R217
68K
C220 C222
1000P 470P
C219
50V0.15
0V
0V R216 C221
2.2K 0.068
0V
0V
7.5V
5.2V
0V
0V
5.1V
0V R456 4.7K R455 10K
0V
0V
0V
R416 C421
0V
2.2K 0.068
0V
C420 C422
1000P 470P
R417
68K
P
D311
1SS355TE17
0V
R249
39
C242
50V3.3
R449
39
C442
50V3.3
Q