Schematic Diagram / Wiring Side Of P.w.board - Sharp CD-BK260V Service Manual

Video cd mini system
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CD-BK260V/CD-BK2700V/CD-BK280V
A
MAIN PWB-A1(1/3)
R-CH
6
1
A_GND
5
2
L-CH
4
3
CD_GND
B
3
4
CD_+B
2
5
A_+B
1
6
BI601
CNS601
(A_+B) SW_5V
1
CD_+B SW_5V
2
GND
3
L-CH
4
GND
5
R-CH
6
GND
7
C
M_+12V
8
A+10V
9
GND
10
GND
11
SP_DET
12
SP_RLY
13
SW_5V
14
–VP
17
VF2
18
VF1
19
P_IN
D
20
–15V
21
E
TAPE 1
PLAYBACK HEAD
T1_R
1
1
A_GND
2
2
T1_L
3
3
CNP101
F
M_GND
1
ERASE HEAD
ERASE
1
2
6
T2_R2
5
2
3
A_GND
3
4
4
T2_R1
4
5
3
T2_L1
5
6
2
T2_L2
1
6
7
BI102
CNS102
TAPE 2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
+B
+B
+B
+B
+B
-B
2
3
Figure 22 SCHEMATIC DIAGRAM (1/13)
Q602
R616
KTC3199 GR
2.2K
R610
2.2K
C638
C636
0.001
0.001
C637
C635
R618
0.001
0.001
330
R617
R611
R619
2.2K
2.2K
330
+B
+B
-B
Q112~Q114: SWITCHING
Q113
C136
R147
KRC104 M
0.022
10K
2
1
R146
10K
R148
4.7K
1
2
Q112
KTA1266 GR
KRC104 M
R111
15K
C101
560P
R101
1K
C102
Q101
R102
560P
1K
2SC1845 F
C103
180P
R103
2.2K
R105
3.3K
Q103
2SC1845 F
C104
180P
R106
3.3K
R104
2.2K
Q102
2SC1845 F
Q101~Q106: SWITCHING
4
– 22 –
R601
1K
R602
1K
AUDIO PROCESSOR
1
DI
R604
C610
1/50
CE
10K
2
VSS
3
LOUT
4
C608
R606
0.1
3.9K
LBASS
5
C606
LTRE
C612
0.15
6
0.0027
C614
1/50
LIN
7
C616
LSEL0
8
4.7/50 C618
L4
1/50
9
C620
1/50
L3
10
C622
L2
11
1/50
L1
12
R608
C624
1.2K
1/50
C626
0.0056
+B
R149
150
L
R
3
3
Q114
R115
56
C111
C115
R123
100/25
560P
5.6K
C113
0.033
C117
R117B
47/25
100K
R119
3.9K
R113B
1K
C109
R
330P
C107
24
23
22
21
20
19
330P
+
112K
Hich=T1
112K
– +
1
2
3
4
5
6
L
C108
330P
R114B
C110
1K
330P
R118B
R120
100K
3.9K
R124
5.6K
C114
0.033
C116
C118
C112
560P
47/25
100/25
R116B
56
R112B
15K
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
5
IC601
LC75341
24
CLK
+B
VDD
23
C60
CCB
VREF
22/5
+ –
22
INTERFACE
C
0
ROUT
21
RBASS
20
C605
RTRE
0.15
19
RIN
18
C6
1/5
RSEL0
17
C6
4.7/
AUX
R4
16
C6
1/5
DECK
R3
15
C6
1/5
R2
TUNER
14
C6
1/5
CD
R1
13
C623
1/50
+B
-B
R137
REC_
220K
R139
R138
10K
10K
Q1
Q107
KTC31
KTC3199 GR
MUT
MUTING
C125
22/50
18
17
16
15
14
– +
56K
Hich=CHROME
56K
– +
7
8
9
10
11
C126
22/50
C132
47/25
R134
10K
6

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