Sharp CD-BA1200H Service Manual page 22

CD-BA1200H
A
R-CH
1 1
A_GND
2 2
P21 12 - D
L-CH
CNP11 3 3
TO CD SERVO
CD_GND
4 4
PWB
+5v +B
5 5
CNS601 BI601
B
D902
1SS133
+B
L
17
GND (A_GND)
4
C
R
18
+5V
+B
12
GND (CD_GND)
19
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
D
CD SIGNAL
E
TAPE1
PLAYBACK
HEAD
1 1 1
R-CH
2 2 2
3 3 3
L-CH
TAPE2
RECORD/
F
PLAYBACK HEAD
1 1 1
ERASE
2 2 2
HEAD
3 3 3
R-CH
4 4 4
5 5 5
L-CH
6 6 6
7 7 7
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
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R609
10K
R601
SYSTEM MUTE
330
Q601
2SC3331
R607
2.2K
R603
1.8K
C601
0.001
C602
0.001
R604
1.8K
R608
2.2K
Q602
2SC3331
SYSTEM MUTE
R602 R610
330 10K
C603
R625
22/25
22K
C101
0.047
R101
10K
LUG1
MECHA BASE GND
Q101
KTA1266 GR
SWITCHING
C102
560P
TAPE1_R 1
A_GND
2
TAPE1_L
3
CNP101
C103
560P
SWITCHING
Q104
2SC1845F
R106
2.2K
C104
M_GND 1 R108
180P
3.3K
2
ERASE
TAPE2_R2
3 Q106
2SC1845F
A_GND 4
SWITCHING
TAPE2_R1
5
TAPE2_L1 6
SWITCHING
TAPE2_L2 7
Q107
2SC1845F
CNP102
R109
C105
3.3K
180P
R107
2.2K
Q105
2SC1845F
SWITCHING
2 3
Figure 22 SCHEMATIC DIAGRAM (3/10)
DI
1
CE
2
3 VSS
C607 10/50
C609 LOUT
4
0.1(ML)
R615
3.9K
C611
LBASS
5
0.1(ML)
C613 0.0027
LTRE
6
C617 1/50
LIN
7
C629 1/50
LSEL0
8
L4
C633 9
C623
0.001
1/50
L3
10
C625
1/50
L2
11
R617
3.3K
L1
12
C627
1/50
+B
R157
100
Q102
SWITCHING
R102
KRC104 M
10K
2 3
C108
1
100/16
R103
4.7K
1
2 3
Q103
KRC104 M
SWITCHING
IC101:PLAYBACK AND RECORD/
PLAYBACK AMP.
R137
15K
R104
1K
C116
100/25
C118
0.033
R105
1K
L102
R114
2.2mH
1K
C114
C112
330P 330P
22
24 23
R
L
1 2 3
C113
C115
330P 330P
R115
L101
1K
2.2mH
C119
C107
0.033
560P
C117
100/25
R117
56
R138
15K
4
– 22 –
IC601
LC75341
AUDIO PROCESSOR
CLK
24
23
VDD
C606
CCB
22/50
VREF
INTERFACE
+ 22
-
C608
10/50
ROUT
21
C610
0.1(ML)
RBASS
20
C612
0.1(ML)
RTRE
19
C614
0.0027
RIN
18
C618
1/50
RSEL0
17
C630
1/50
R4
AUX 16
C624
R3
DECK
15
1/50
C626
R2
TUN 14
1/50
R1
CD 13
C628
1/50
R142
220K
MUTING
Q110
2SC3331
0V
0.7V
R140
0V 10K
R124
R116
33K
56
R122
C122
5.6K
1/50
C120
560P
R118 R120
100K 3.9K
C128
22/25
21 20 19 18 17
- -
112K
56K
+ +
IC101
Hich=T1 Hich=CHROME
AN7345K
+ +
112K 56K
- -
4 5 6 7
8
C129
22/25
C139
3.3/50
R119 R121
3.9K
100K
C137
0.022
C121
560P
C123
1/50
R123
5.6K
5 6
+B
C604
100/25
C605
0.022
R616
3.9K
R618
3.3K
M
Q
2S
R141
10K
0.7V
15
16 14
9 10 11
C135
47/25
R135
10K