Sharp CD-CH1500 Service Manual page 19

TO MICOM SECTION
U
W V T
C2B_DO
C2B_CL
C2B_DI
C2B_CE
1
3
7
9
IC102
BA3126N
HEAD
SELECTOR
4
SWITCHING
Q101
ERASE
HEAD
REC
P.B
L-CH
R-CH
AC BIAS
RECORD/
PLAYBACK
HEAD
S R O
TUNER L
11
14
R
17
RSEL0
18
RIN
+B
23 VDD
CLK
24
L-CH
2
5
8
6
Q102
4 21
13
1 24 2 23
L R
Figure 19 BLOCK DIAGRAM (6/6)
+B REC_L-CH
-B
4 7 8 1
IC503
NJM4558M
MOTOR DRIVER
5 3
L CD
12
13 R
TAPE
L
10
15
R
L
9 AUX
16
R
LSEL0 8
REC_L-CH
LIN 7
IC502
LC75341
AUDIO
PROCESSOR
4 L
21
R
VSS 3
2
CE
DI 1
Q119
Q120
REC MUTE
5 20 7 8 17
18
3 22 9
6 16 11 12
IC101
AN7345K
PLAYBACK AND
RECORD/PLAY BACK
AMP.
– 19 –
TAPE_L
Q507
l
Q508
REC_R-CH
k
g
CD_L
R-CH
L-CH
JK501
AUX IN
SYSTEM
MUTE
Q501
Q502
Q509
A_-B
f
SWITCHING
A_+B
d
a
L_CH
TAPE_L-CH
TAPE_R-CH
A_GND
REC_R-CH
REC_L-CH
REC_MUTE
REC_CONT
REC_BIAS
A_+10V
M_+10V
BIAS_GND
Q114 Q115
SWITCHING
BIAS
Q116
BIAS OSC.
CD-CH1500
1
2
3
4
5
6
7
8
CNP102
A
A_GND
B
C
D