Read Sharp CD-BA1200 (serv.man8) Service Manual online
– 23 –
CD-BA1200H
Figure 23 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
18
17
16
15
14
13
12
11
10
9
8
7
24
23
22
21
20
19
18
17
16
15
14
13
-VP
GND
A_10V
M_10V
A_10V
GND
GND
GND
VF2
VF1
POWER
CE
DO
UN_SW_5V
CLK
DI
TUN_L
TUN_R
(A_GND)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
(D_GND)
POWER
P26 1 - G
TO POWER PWB
(M_GND)
(D_GND)
M_GND
UN_SW 5V
SW_5V
AC_RLY_CONT
D_GND
M_10V
VF1
VF2
-VP
T_BIAS
SMUTE
REC/PLAY
T_T1/T2
CE
SM
DI
CLK
DO
REC_L
REC_R
P29 12 - H
TO TUNER PWB
0V
0V
0.7V
0.7V
0V
0V
0V
11.7V
11.6V
11.6V
0V
2
1
3
0V
0V
0V
0V
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
AC_RLY_CONT
SW_5V
SM
21
20
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
+
+
-
-
Hich=CHROME
56K
56K
R1
R2
R3
R4
L0
RIN
TRE
SS
OUT
REF
DD
CLK
10
4
5
7
6
9
2
3
8
1
5
15 14 16
21
10 12 22 11 13 20
1
21
1
CNP701
P25 12 - D
TO DISPLAY PWB
MAIN PWB-A1(1/3)
MUTING
MUTING
SWITCHING
BIAS
BIAS OSC
C630
1/50
1/50
C605
0.022
0.022
C604
100/25
100/25
C610
0.1(ML)
0.1(ML)
C612
0.1(ML)
0.1(ML)
C618
1/50
1/50
R616
3.9K
3.9K
C614
0.0027
0.0027
C608
10/50
10/50
C606
22/50
22/50
C628
1/50
1/50
C626
1/50
1/50
C624
1/50
1/50
R618
3.3K
R131 1.5K
C131
0.022
6.8
K
R135
10K
10K
C133 0.0033
R129 3.9K
C135
47/25
47/25
C129
22/25
22/25
C127 270P
R133
100
C148
0.047
0.047
Q112
KTA1266 GR
R148
22K
22K
R146
82
(1/2W)
82
(1/2W)
L103
100
100
µ
H
R147
47K
47K
Q114
KTC3203 Y
KTC3203 Y
C141
0.039
(ML)
0.039
(ML)
R149
4.7
4.7
L104
330
330
µ
H
C142
47/25
47/25
C140
0.0082
(PP)
0.0082
(PP)
Q113
KRC104 M
KRC104 M
R144
47K
47K
R145
4.7K
4.7K
C145
470P
R139
180
C138 220/10
C136 22/25
C128
22/25
22/25
6
.8K
C126
270P
R132
1.5K
C134
47/25
R134
100
R136
10K
C130
0.022
3.9K
C132
0.0033
R143
220K
220K
R140
10K
10K
Q110
2SC3331
2SC3331
R142
220K
220K
R141
10K
10K
Q111
2SC3331
2SC3331
1
5K
5K
CNP701
FCC21
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