Sharp CD-BP160W Service Manual page 22

CD-BP160W/180W/1500W/1700W
A
CNS402
1 1
2 2
P19 12-D
3 3
CNP11
TO CD SERVO
4 4
PWB
5 5
B
L
q
GND (A_GND)
t
C
TO
R
POWER
r
SECTION
+5V
P24 1-G
j
GND (CD_GND)
s
D
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
TAPE1
PLAYBACK HEAD
E
R-CH
L-CH
TAPE2
RECORD/
PLAYBACK/
ERACE HEAD
CNS102
ERASE
HEAD
1
1
2 2
F
3 3
R-CH
4 4
5 5
6 6
L-CH
RECORD/
PLAYBACK/
ERACE HEAD
PWB-D2
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 34.
1
R-CH
A_GND
L-CH
CD_GND
+5v
+B
R401 R409
330 10K
Q401
KTC3199 GR
R403
2.7K
R404
2.7K
R402
330
R410
10K
+B
Q401,Q402 : SYSTEM MUTE
9.3V
C102
CHASIS
0.001
TAPE1_R
3 3
A_GND
2
2
TAPE1_L
1
1
C103
0.001
C104
180P
M_GND
1
ERASE
2
TAPE2_R2
3
A_GND
4
TAPE2_R1
5
TAPE2_L1
6
TAPE2_L2
7
BI102
C105
180P
2
Figure 22 SCHEMATIC DIAGRAM (5/9)
+B
C405
0.022
C404
100/16
C409
R415
0.1(ML)
3.9K
R407
2.2K
C402
R417
0.001
3.3K
R408
2.2K
C403
22/25
R157
150
Q102
C101 KRC104 M
R102
0.047
10K
3.4V
0V 3
2
R101
1
10K
R103
4.7K
1
8.6V 0V 3
2
Q101 Q103
9.3V
KTA1266 GR KRC104 M
R137
15K
R104
1K
R105
1K
Q104
2SC1845 F
C106
0V
R110
0.7V 0.001
47K
R106
0V
0V
2.2K
0V
0.7V
0V
R108
0V
3.3K
Q106
2SC1845 F
Q107
2SC1845 F
0V
0.7V
0V
R109
0V
C107
0V
3.3K
0.001
0V
0.7V
R107
0V
2.2K
Q105
2SC1845 F
3 4
– 22 –
DI
1
CE
2
C407
10/50
CCB
3 VSS
+
-
INTERFACE
LOUT
4
C411 0.1(ML)
LBASS
5
C413 0.0027 LTRE
6
C417 1/50
LIN
7
C419 4.7/50
LSEL0
8
C421 1/50
L4
9 AUX
C423 1/50
L3
DECK
10
C425 1/50
L2
TUN
11
C427 1/50
L1
CD
12
IC401
LC75341
AUDIO PROCESSOR
+B
C144
0.0022
R116
C118 R124
56
0.033 33K
C120
C116
560P
100/25
R122
5.6K
R114 C114
1K 330P
C112
23 22
330P 24 21 20 19
- 112K
R
+
Hich=T1
+
L
-
112K
1 2 3
4 5 6
C113
330P
R115 C115
1K 330P
C137
0.022
C123
R123
47/25
5.6K
C117
100/25
R125
R117
33K
56
R138
15K
5
+B
CLK
24
+B
23
VDD
C406 22/50
VREF
22
C408 10/50
ROUT C410 R416
21
0.1(ML)
3.9K
C412 0.1(ML)
RBASS
20
C414 0.0027
RTRE
19
C418 1/50
RIN
18
C420 4.7/50
RSEL0
17
C422 1/50
R4
16
C424 1/50
R3
15
C426 1/50 R418
R2
14
3.3K
C428 1/50
R1
13
R142
220K
MUTING
Q110
KTC3199 GR R141
0V
10K
0.7V
0.7V
R140
Q111
0V
10K
KTC3199 GR
C128
22/25
18 17 16 15 14 13
56K
-
+
IC101
Hich=CHROME
AN7345K
+
-
56K
7 8 9
10 11 12
C129
C139
22/25
3.3/50
C135
47/25
R135
10K
6
R1
22
0
0
R1
22