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