Read Sharp CD-BA1200 (serv.man8) Service Manual online
– 25 –
CD-BA1200H
Figure 25 SCHEMATIC DIAGRAM (6/10)
7
8
9
10
11
12
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
3
2
1
3
2
1
POWER
SPAN
SW OUT
SPAN
SW OUT
UN_SW 5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
T2 PLAY SW_B
T1 PLAY SW_A
F
F
9G
4G
3G
2G
1G
P17
P18
P19
P12
P1
8G
P2
P3
7G
6G
P4
T-BIAS
T_T1/T2
VDD
X1
X2
AVDD
RESET
CD CE
CD DI
WRQ
CD INT
P19
P12
P1
CE
S-BUSY
REC/PLAY
RES OUT
VPP/IC
CD CLK
CD DO
CLK
DI
DO
AVSS
M-BUSY/TUN SM
SPEANA3
SPEANA2
SPEANA0
KEY 2
KEY 1
KEY 0
SYS STOP
NO USE
REMOCON
VSS
SMUTE
T_SOL_A
T_MOTOR
P18
P17
5G
VDD
T_SOL_B
CD_GND
CD INT
WRQ(DSP)
CLAMP SW
CD DO
CD DI
CD DI
CD CE
CD CLK
VF1
VF2
-VP
SMUTE
D_GND
SW_5V
SW_5V
CD CLAMP SW
T2 RUN
-20dBATT
DRF
XT2
SPEANA1
AVref
DRF
REC/PLAY
T_T1/T2
T_BIAS
RES OUT
AC_RLY CONT
M_10V
DI
CE
TUN SM
CLK
5V BACK UP
DO
M_GND
SP_RLY
6
11
10
9
8
7
2
3
4
5
12
13
14
15
16
17
18
19
10
9
8
7
6
5
4
3
2
1
1
20
21
54
53
52
31
32
33
51
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
5 44 43 42 41 40 39 38 37 36 35 34 33 32 31
6 87 88 89 90 91 92 93 94 95 96 97 98 99 100
100
6G
7G
8G
1G
2G
3G
4G
9G
2
1
3
21
1
CNP701
TO MAIN PWB
P23 12 - D
CD INT
WRQ(DSP)
DRF
CD CE
CD CE
CD DO
CD DI
CD CLK
CD DI
CD CLK
RES OUT
CLAMP SW
D_GND
D_GND
10
9
8
7
6
5
4
3
2
1
CNP12
TO CD SERVO
PWB
DISPLAY PWB-A2
P21 12 - F
RESET
R726 2.2K
R727 2.2K
R
728 2.2
K
R719
1K
R720
1K
R721
1K
R722
10K
R724
1K
IC701
IX0337AWZZ
SYSTEM
MICROCOMPUTER
LED722
4204SRT7
R755
4.7K
R725
1K
R777
10K
10K
R776
10K
10K
R775
10K
10K
31
273Y
SW710
OPEN/
CLOSE
OPEN/
CLOSE
SW709
DISC
SKIP
RD09
100K
100K
RD08
56K
56K
RD01
680
680
SW701
ON/STAND-BY
RD02
820
820
SW702
CLOCK
CLOCK
SW703
TIMER/
SLEEP
RD03
1K
1K
RD04
1.5K
1.5K
RD05
2.2K
2.2K
RD07
3.9K
3.9K
RD06
2.7K
2.7K
RD26
6.8K
6.8K
RD25
680
680
SW711
EQUALIZER/
X-BASS/DEMO
RD11
1K
1K
RD10
820
820
SW712
VOLUME UP
RD12
1.5K
1.5K
SW713
VOLUME
DOWN
RD13
680
RD14
820
RD15
1K
SW723
REC/
PAUSE
RD22
15K
SW724
TUNING
UP
RD23
33K
SW721
STOP
RD19
3.9K
RD17
2.2K
RD20
5.6K
SW718
REWIND
RD21
10K
SW717
MEMORY/
SET
RD18
2.7K
SW720
PLAY/
REPEAT
RD16
1.5K
SW719
FAST
FORWARD
SW716
TUNING/
TIME
DOWN
SW715
TAPE
SW714
CD
RD24
100K
SW725
TUNER
(BAND)
R770
47K
D708
1SS133
1SS133
C713
0.1/50
RX701
REMOTE SENSOR
D711
1SS133
1SS133
D710
1SS133
1SS133
D709
1SS133
R771
100K
C717
10/50
10/50
C715
3.3/50
3.3/50
D707
1SS133
C714
0.01
Q707
KRC102M
C716
0.022
0.022
L701
100
µ
H
R772
4.7K
R773
100
100
C718
0.022
0.022
C719
47/16
47/16
IC704
KIA7042AP
RESET
CNP701
D706
1SS133
R769
10K
R717 1K
R716 1K
R715 1K
R714 1K
R713 1K
R712 1K
R711 1K
R710 1K
R709 1K
XL701
C704
18P
C703
15P
15P
R706 1K
R703 1K
R702 1K
R707 1K
R704 1K
R708 1K
R705 1K
C702
220/10
220/10
C701
0.022
0.022
R745
100K
100K
R779
3.3 (1/2W)
3.3 (1/2W)
C707
1/50
1/50
Q701
KRC107M
KRC107M
R744
1K
1K
BI702
01
PLAY
PLAY
2
1
3
CNS702
FFC21
R718 1K
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