Sharp CD-CH1000 Service Manual page 33

JK501
AUX IN
L-CH R-CH
CHASSIS
GND
R550
39K
R549
39K
C541 C540
390P 390P
L501
L502
2.2µH 2.2µH
R547 R548
2.2K
2.2K
C573 C574
2.2/50
2.2/50
R591 R592
47K 47K
+B
R507
22K
C503
22/50
2
1
C597
C598
0.0027 3
2.6V
0.0027
SWITCHING
R504
R503
2.2K 2.2K
0.7V 0.7V
0V 0V 0V 0V
Q502
Q501
KTC3199 GR KTC3199 GR
SYSTEM MUTE
+B
-B
a b c d e f
TO MICOM SECTION
P34 6-H
7
R544
R543
47K
47K
+B
24 23 22 21 20 19 18 17
IC502
LC75341
1 2 3 4 5 6 7 8
C563
10/50
C564
0.1
R527
2.2K
R514
1.2K
R513
1.2K
g h i
TO MICOM SECTION
P34 4-H
8 9
Figure 33 SCHEMATIC DIAGRAM (2/11)
TO TUNER SECTION
P32 1-G
J
L M N K H E G F I
+B
R536
47K
16 15 14 13
9 10 11 12
R535
47K
CD_L
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
10
– 33 –
MAIN PWB-A (2/3)
S-MUTE
+B
IC503
NJM4558M
MOTOR DRIVER
C537
0.1
-B
C536
10/50
C532
100P(CH)
R540
10K
0V 8.2V
4
5
+
1
7
R542
–
6
1.5K 0V
C550 0V
IC503
R541 +B
22/50
8
0V
1.5K
10V
2
–
1
C551 +
3
0V
22/50 1
0V
R539
C533 10K
47P
Q507
(CH) C531
DTC363 TS
100P(CH)
C535
0.1 +B
C530
10/50
-B
k
j
TO MICOM SECTION
11
CD-CH1000
NC Y AUX_SEL
X
VSM
C2B_DO
W
C2B_CE
V
U C2B_DI
T C2B_CL
S D_GND
R S-MUTE
NC Q
CD-R_SEL
P
CD_MUTE
O
PB_MUTE
2
C566
22/50
3
3
R582
22K
2
l m n
P35 10-H
12