Sharp CD-CH1000 Service Manual page 27

TO MICOM SECTION
U
Y X W
V
VSM
D_GND
C2B_DO
C2B_CL
C2B_DI
C2B_CE
IC102
BA3126N
HAED
SELECTOR
1
2
3
4
5
SWITCHING
Q102
Q101
ERASE
CNP101
HEAD
ERASE
1 1
M_GND
2 2
T2_R1
R-CH
3 3
T2_R2
R-CH
4 4
A_GND
5 5
T2_L2
L-CH 6 6
T2_L1
7 7
RECORD/
PLAYBACK
HEAD
Q508
S R Q O
T
CD_R
TUNER_R
TAPE_R
AUX_R
IC502
LC75341
R_CH
AUDIO
PROCESSOR
+B
9
L-CH
8
7
+B
6
24 23 22
–
+
Hich=T1
+
–
2 3
1
L-CH
Figure 27 BLOCK DIAGRAM (2/6)
+B REC_L-CH
-B
4 7 8 1
NJM4558M
MOTOR DRIVER
–
–
5 2 3
6
REC_L-CH
13
CD
R1
14
TUNER
R2
15
DECK
R3
16
AUX
R4
17
RSEL0 LSEL0
IC502
18
LIN
RIN
19
RTRE
LTRE
LBASS
20
RBASS
ROUT
LOUT
21
VREF
22 VSS
CCB
INTERFACE
CE
23 VDD
CLK
24
REC MUTE
Q120
R-CH
21 20 19 18 17
–
112K
+
Hich=CHROME
+
IC101
112K
–
4 5 6 7 8
IC101
AN7345K
PLAYBACK AND
RECORD/PLAY BACK
AMP.
– 27 –
TAPE_L
Q507
IC503
CD_L
12
L1
TUNER_L
11
L2
TAPE_L
10
L3
AUX_L
9
L4
8
REC_L-CH
7
6
5
AUX_R
4
3
2
DI
SYSTEM MUTE
1
Q509
SWITCHING
Q119
REC MUTE
+B
13
15
16 14
Vcc
RIPPLE
56K
Q114
56K
SWITCHING
GND
ALC ALC
9 10 11
12
Q116
BIAS OSC.
CD-CH1000
n
A_GND
m
TAPE_R
l
REC_R-CH
k
j
REC_L-CH
CD_R i
A_GND h
g
CD_L
R-CH
JK501
AUX IN
L-CH
Q502
R_CH
A_-B
f
e
A_GND
A_+B
d
c
R_CH
b
A_GND2
a
Q501
L_CH
TAPE_L-CH
1
TAPE_R-CH
2
A_GND
3
REC_R-CH
4
REC_L-CH
5
REC_MUTE
6
REC_CONT
7
REC_BIAS
8
CNP102
A_+10V
A
A_GND B
M_+10V
C
BIAS_GND
D
Q115