Sharp CD-BP1200W Service Manual page 22

CD-BP1200W/1250W
A
CNS601
1 1
2 2
P19 12-D
3
CNP11 3
TO CD SERVO
4 4
PWB
5 5
BI601
B
15
GND (A_GND)
C
16
TO
POWER
17
SECTION
P24 1-G
18
GND (CD_GND)
19
D
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
E
TAPE 1
PLAYBACK HEAD
R-CH
L-CH
TAPE 2
RECORD/
PLAYBACK/
ERACE HEAD
F
ERASE
HEAD
R-CH
L-CH
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
1
R-CH
A_GND
L-CH
CD_GND
+5v
+B
R601
330
Q601
2SC3331
0V
R603
0V
1.8K
0V
0V
R604
L 0V
1.8K
0V
R602
330
R R610
10K
+5V +B
Q601,Q602 : SYSTEM MUTE
CHASSIS
C102
560P
TAPE1_R
1
1
A_GND
2
2
TAPE1_L
3
3
C103
560P
Q104
2SC1845 F
SWITCHING
M_GND
1 C104
1
ERASE
180P
2
2
TAPE2_R2
3
3
A_GND
4
4
TAPE2_R1
5
5
TAPE2_L1
6
6
TAPE2_L2
7
7
C105
180P
2
Figure 22 SCHEMATIC DIAGRAM (5/9)
+B
C605
0.022
C604
100/25
R615 C609
0.1(ML)
3.9K
R609
10K
R607
2.2K
C602
R617
0.001
3.3K
R608
2.2K
C603
22/25
Q102
KRC104 M
SWITCHING
C101
R102
0.047
10K
0V 3
2
R101
1
0V
10K
R103
4.7K
0V 1
9.3V
0V
9.6V 3
2
Q103
Q101
9.3V
KRC104 M
KTA1266 GR
SWITCHING
SWITCHING
R137
15K
R104
1K
R105
1K
R106
0V C106
R110
2.2K
560P
47K
0.7V
0V
0V
0V
R108
0.7V
3.3K
0V
Q106
0V
2SC1845 F
SWITCHING
Q107
2SC1845 F
SWITCHING
0V
0.7V
0V
R109 0V
C107
3.3K
0V 560P
0V
R107
0.7V
0V
2.2K
Q105
2SC1845 F
SWITCHING
3 4
– 22 –
DI
1
CE
2
C607
10/50
CCB
3 VSS
INTERFACE
LOUT
4
C611 0.1(ML)
LBASS
5
C613 0.0027 LTRE
6
C617 1/50
LIN
7
C629 1/50
LSEL0
8
L4
9 AUX
N.C.
C623 1/50
L3
10 DECK
C625 1/50
L2
TUN
11
C627 1/50
L1
CD
12
IC601
LC75341
AUDIO PROCESSOR
+B
R157
100
3.4V
C108
100/16
3.4V
C146
0.001
R116
C118 R124
56
0.033 33K
C120
C116
560P
100/25
R122
5.6K
C114
R114
1K 330P
C112
N.C.
24 23 22 21 20
330P
112K
-
R
+
Hich=T1
+
L
-
112K
1 2 3
4 5
C113
N.C.
330P
R115
C115
1K
330P
C137
0.022
C123
1/50
C117
100/25
R125
R117
33K
56
R138
15K
5
+B
CLK
24
+B
23
VDD
C606 22/50
VREF
22
+
- C608 10/50
C610
ROUT
21
0.1(ML)
C612 0.1(ML)
RBASS
20
C614 0.0027
RTRE
19
C618 1/50
RIN
18
C630 1/50
RSEL0
17
R4
16
N.C.
C624 1/50
R3
15
C626 1/50 R618
R2
14
3.3K
C628 1/50
R1
13
R142
220K
Q110
2SC3331
R141
0V MUTING
10K
0.7V
R140
Q
0V
10K
2S
MU
C128
22/25
18 16
19 17 15
56K
-
IC101 +
Hich=CHROME
AN7345K
+
-
56K
7 8 9
6
10
N.C.
C129
C139
22/25
3.3/50
C135
47/25
R123
5.6K
R135
10K
6