Sharp CD-BA300

– 23 –
CD-BA300
Figure 23 SCHEMATIC DIAGRAM (4/10)
7
8 9 10 11 12
0V
0.7V
0V
11.6V
0V
0V
0V
0V
0V
0V
11.7V
11.6V
2
1
3
CD SIGNAL
VIDEO SIGNAL
RECORD SIGNAL
PLAYBACK SIGNAL
FM SIGNAL
1
2
3
4
5
6
7
8
9
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
+B
3
24
23
22
21
20
19
18
17
16
15
14
13
3
16 15 14 13
12
11
10
9
M_12V
P_IN
TUN_L
REC_L
REC_R
CHASSIS
CD_GND
–15V
S_MUTE
VF1
VF2 –VF
UN_SW 5V
+5V
SP_RLY
SP-DET
A_+10V
D_GND
CLK
DI
CE
DO
A_GND
TUN_R
DI
CE
DO
CLK
SPAN_RCH
SPAN_LCH
A_+10V
T_T1 T2
-20dBATT
T_BIAS
REC/PLAY
D_GND
D_GND
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
+ –
TO TUNER SECTION
P25 11-H
Vcc
ALC GND ALC
RIPPLE
Nor/CrO2
ME
6
K
6
K
MAIN PWB-A (1/2)
R-CH
L-CH
232221201917 1816151413121110 9 8 7 6 5 4 3
2
1
TO
DISPLAY PWB
P21 12-D
CNP701
1
23
2
1
L05
D816
DS1SS133
C829
0.047(ML)
C830
47/25
A
7805AP
C859
0
.047(ML)
C860
47/25
R854
10K
R638
470K
R
154
1
0K
R153
10K
Q121
KTC3199 GR
G
R
CNP601
FC701
Q126
KRC104 M
Q128
KTC3203 Y
L104
330µH
C151
0.039(ML)
R168
4.7
C154
0.047
(ML)
R166
22K
R167
47K
R162
47K
R164
4.7K
Q124
2SA1015 GR
R158
220
C146
220/10
C145
22/50
C142
47/25
R146 10K
0
.
0033
C141
47/25
R601 1K
R602 1K
R603 1K
C602
22/50
C614
10/50
R606
3.9K
C608
0.1(ML)
C628
1/50
C626
1/50
C624
1/50
C630
1/50
C622
4.7/50
C620
1/50
C612
0.0027
C610
0.1(ML)
R618
1.8K
C642
0.0033
JK601
VIDEO IN
C601 0.022
D601 DS1SS133
D602 DS1SS133
R145
10K
C139
0
.
0033
C152
47/25
L103
100µH
R160
82(1/2W)
R157
220K
R637
470K
R633
15K
R634
15K
C632
390P
C631
390P
R632
3.3K
R631
3.3K
C150
0.0082(PP)
IC601
AUDIO PROCESSOR