Sharp CD-BA300 Service Manual page 23

+B
R601 1K
R602 1K
24
CLK R603 1K
+B
VDD
23
VREF C602
22
C608
22/50 C614
C610 0.1(ML) 10/50
ROUT
21
0.1(ML)
RBASS
20
C612 R606
RTRE
3.9K
0.0027
19
C620
1/50
RIN
18
C622
RSEL0 4.7/50
17
C624
R4 1/50
16
C626
1/50
R3
15
C628
1/50
R2
14
C630 R618
1.8K
1/50
R1
13
C642
0.0033
+B
CD_GND
+B
+B
+B
+B
+B
21
+B
L05
3
A7805AP
3
C859
0.047(ML)
R638
470K
REC_R
REC_L
R157
220K
0V
R153
R154
10K
R637
10K
0.7V
470K
Q121
0V
GR
KTC3199 GR
R158
220
16 15 14 13
6K
ME
6K
9
10 11 12
1
0V
2 0V
11.6V 3
KRC104 M
C141
47/25
0V
0V
R145
0V
10K
C150
0.0082(PP)
C151
0.039(ML)
7
All manuals and user guides at all-guides.com
IC601
AUDIO PROCESSOR
+B
+B
D_GND
+B
+B
+B
+B
+B
+B
+B
Q126
+B
+B
+B
CNP601
1 2
3 4 5 6 7
1
FC701
8 9
Figure 23 SCHEMATIC DIAGRAM (4/10)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
+B
-B
+B
-B
8 9 10 11 12 13 14 15 16 17 18 19
CNP701
TO
DISPLAY PWB
P21 12-D
10
– 23 –
CD-BA300
MAIN PWB-A (1/2)
R633
L-CH
15K
R631 C631
3.3K 390P
R632 C632
3.3K 390P
R-CH
R634
15K
D601 DS1SS133
D602 DS1SS133
C601 0.022
CHASSIS
TUN_R
1
A_GND
2
TUN_L
3
DO
4
CE
5
DI
6
CLK
7
D_GND
8
A_+10V
+B
9
+B
20 21 22 23
23
11 12
JK601
VIDEO IN