Sharp CD-BA150 Service Manual page 20

CD-BA150
A
CNS402
R-CH
1 1
A_GND
2 2
P19 12 - F
L-CH
3
CNP11 3
CD_GND
TO CD SERVO
4 4
+5v
PWB
5 5
B
L
q
C
GND (A_GND)
t
TO
R
POWER r
SECTION
+5V
P22 1 - F
j
GND (CD_GND)
s
D
E
TAPE1
PLAYBACK HEAD
R-CH
L-CH
TAPE2
RECORD/
F
PLAYBACK HEAD
1
ERASE
2
HEAD
3
R-CH
4
5
L-CH
6
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
+B
R401 R409
330 10K
Q401
KTC3199 GR
R403
2.7K
R407
2.2K
C402
R404 0.001
2.7K
R408
2.2K
R402
330
R410
10K
+B
Q401,Q402 : SYSTEM MUTE
C403
22/25
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
C101
0.047
R101
9.3V
LUG961
9.3V
KTA1266 GR
C102
CHASIS
0.001
TAPE1_R
3 3
3
A_GND
2 2 2
TAPE1_L
1
1 1
BI101
CNS101
C103
0.001
2SC1845 F
0V
C104
180P
CNS102
0V
M_GND
1 1
ERASE
2 2
TAPE2_R2
3 3 0V
A_GND
Q106
4
2SC1845 F
TAPE2_R1
4 5
Q107
TAPE2_L1
6
5
2SC1845 F
TAPE2_L2
6
7
0V
BI102
C105
0V
180P
0V
Q105
2SC1845 F
2 3
Figure 20 SCHEMATIC DIAGRAM (3/10)
+B
C405
0.022
C404
100/16
C407
10/50
C409
R415
0.1(ML)
3.9K
C411 0.1(ML)
C413 0.0027
C417
C419 1/50
C421 1/50
C423 1/50
C425 1/50
R417
3.3K
C427 1/50
+B
R157
150
Q102
KRC104 M
R102
10K
3.4V
3
0V
2
1
10K R103
4.7K
1
0V
8.6V 3
2
Q103
Q101
KRC104 M
R137
15K
R104
1K
R105
1K
R114
Q104
C106
R110
0.7V 0.001
47K
C112
R106
0V
330P
2.2K
0V
0.7V
0V
R108
3.3K
C113
330P
R115
1K
0.7V
0V
R109 0V
C107
3.3K
0.001
0V
0.7V
R107
2.2K
4
– 20 –
DI CLK
1
24
CE
2
VDD 23
VREF
3 VSS CCB
22
+
-
INTERFACE
LOUT ROUT
4
21
LBASS RBASS
5 20
LTRE
RTRE
6 19
1/50
LIN RIN
7 18
LSEL0 RSEL0
8
17
L4 R4
9 AUX
16
L3
R3
DECK
10
15
L2 R2
TUN
11 14
L1 R1
CD
12 13
IC401
LC75341
AUDIO PROCESSOR
MUTING
0V
0V
R116 C144
56 0.001
R124
C116 C120
33K
100/25
560P
C118
R122
0.033
5.6K
C114
330P
1K
24 23 22 21 22 19 18
112K
-
R
+
IC101
Hich=T1
AN7345K
+
L
-
112K
1 2 3 7
4 5 6
C139
3.3/50
C115
330P
C137
0.023
C123
R123
47/25
5.6K
C117
100/25
R125
R117
33K
56
R138
15K
5
+B
+B
C406 22/50
C408 10/50
C410
0.1(ML)
C412 0.1(ML)
C414 0.0027
C418 1/50
C420 1/50
C422 1/50
C424 1/50
C426 1/50 R418
3.3K
C428 1/50
R142
220K
Q110
KTC3199 GR R14
10K
0.7V
R140
Q
10K
KTC3
C128
22/25
17 16 15
- 56K
+
Hich=CHROME
+
-
56K
8 9
10
C129
22/25
C135
47/25
R135
10K
6