Sharp CD-PC672 Service Manual page 21

CD-PC672
A
B
TAPE1
PLAYBACK HEAD
R-CH
C
L-CH
TAPE2
RECORD/
PLAYBACK HEAD
D
ERASE
HEAD
R-CH
L-CH
E
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
PLAYBACK SIGNAL
RECORD SIGNAL
9.3V
9.3V
C102
0.001
TAPE1_R
1 1
A_GND
2 2
TAPE1_L
3
3
C101
0.001
M_GND
C106
1
1
180P
ERASE
2 2
TAPE2_R2
0V
3 3
A_GND
4
4
2SC2389 SE
TAPE2_R1
5
5
TAPE2_L1
6
6
TAPE2_L2
7 7
C105
180P
0V
MAIN PWB-A1(2/3)
2 3
Figure 24 SCHEMATIC DIAGRAM (5/12)
Q110
C109 R114
KRC104 M
0.047
10K
0V
2
R113
1
10K
1
0V
2
Q109
KTA1266 GR
R112
10K
R102
1K
R101
1K
R104
2.2K
0.7V
0V
0V
R106
3.3K
0V
0.7V
Q106
0V
0.7V
0V
0V
R105
0V
3.3K
0V
0.7V
R103
2.2K
Q103
2SC2389 SE
4
– 24 –
R174
150(1/2W)
C153
100/16
3.4V
3
3.4V
3
Q111
KRC104 M
R120
56
C118
0.033
R122
100K
C116
47/25
R118
1K
C112
330P
24 23 22
1 2 3
C111
330P
R117
1K
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK AMP.
R119
56
R111
10K
5
C120
560P
R
5
R124
3.9K
C114
330P
21
– +
112K
HICH=T1
112K
– +
4
C113
330P
C115
47/25
R121
R123
100K 3.9K
R
5
C117 C119
0.033 560P
6