Sharp CD-BK3200V Service Manual page 32

CD-BK3200V
MAIN PWB-A (1/2)
BI601
CNS601
TO
VIDEO 1 1
CD PWB
2 2
A
P29 11-B
3 3
CNP8
4 4
5 5
6 6
L-CH
1
A_GND
2
R-CH
3
GND(FAN MOT)
4
CNP906
B
5
FROM
AMP. PWB 6
P36 1-E
7
GND
8
+B(+18V)
9
CNP806
C
D
CHASSIS
MECHA
BASE
LUG901
E R-CH
T1_R
1 1
A_GND
2 2
L-CH
T1_L
3 3
CNP101
TAPE 1
PLAYBACK
HEAD
ERASE
HEAD
M_GND
1 1
1
2 2 ERASE
2
R-CH
T2_R2
3 3
3
A_GND
4 4 4
F
L-CH
T2_R1
5 5
5
T2_L1
6 6
6
T2_L2
TAPE 2
7
RECORD/
BI102
PLAYBACK
HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 51.
1
R-CH
A_GND
L-CH
AUDIO PROCESSOR
M_GND
+5.6V(M) +B
+10V(A)
+B
R609
330
R611
100K
R610 330
R612
+5.6V +B
100K
M_+12V
9V
+B
+B
+B +B(18V)
+B
GND
M_GND
C855
0.047
+B 9V
C102
560P
C101
560P
C106
180P
C105
180P
2
Figure 32 SCHEMATIC DIAGRAM (5/12)
IC601
LC75341
R607
10K
R605
C613
3.9K
2.2/50
R613
C611
680
0.0027
(ML)
R615
2.2K
R616
2.2K
R614
680
R618
3.9K
R617
3.9K
C617
22/50
R619
22K
VOLTAGE
+B REGULATOR
R852
Q850
22K
+B KTC2026 Y
R856
560
VOLTAGE
REGULATOR
DZ801
DZ2.4BSB
Q851
KIA7810 AP
M_GND
+B
+B
1 3
2
D802A
(ML) DS1N404S
Q852
KIA7805 AP
+B
3
1
2
D801
DS1SS133
R102
1K
R101
1K
Q104
2SC1845 F
R104
0V
2.2K
0.7V
0V
0V
0V
R106
3.3K
0.7V
0V
0V
Q106
2SC1845 F
Q105
2SC1845 F
0V
0.7V
0V
0V
R105
3.3K
0V
0.7V
0V
R103
0V
2.2K
Q103
Q103~Q108
2SC1845 F
SWITCHING
3 4
– 32 –
+B IC601
1
DI
CE
2
VSS
3
C607
0.1(ML)
LOUT
4
C609
LBASS
5
0.1(ML)
LTRE
6
C619
1/50
LIN
7
C621
LSEL0
8
10/50
C623
1/50
L4 AUX
9
C625
1/50 L3
DECK
10
C627
1/50
L2
TUNER
11
L1
CD
12
C629
1/50
M_+12V
+B
A_+5.6V +B
L
Q109~Q111
SWITCHING
A_+10V
+B
R114
2
10K
3.4V
0V
3
1
R113
R115
10K
0V
4.7K
9.3V 1
3.4V
8.6V 3
0V
2
Q111
9.3V
KRC104 M
R112 15K
R132
R120
33K
56
C120
R126
C116
560P
5.6K
47/25
C118
C122
0.033
47/25
R122
R124
100K
R174
R118
2.7K
1K
1K
C114
R
330P
R170
1K
C112
330P
24 23 22 21 20
–
+
112K
Hich=T1
112K
– +
1 2 3 4
L
R169
R171
1K
1K
C111
330P
C113
330P
R117
1K R173
R123
1K
2.7K
R121
R125
100K
5.6K
C117
0.033
C119 C121
C115
560P 47/25
47/25
R119
56
R111
15K
5
R641
R643
R642
24
CLK
+B
VDD
23
C602
22/50
VREF
+ –
22
C614
C608
2.2/50
ROUT
21
0.1(ML) R606
3.9K
RBASS
20
C610
0.1(ML)
RTRE
19
C620 C6
1/50 0.0027
RIN
18
C622
10/50
RSEL0
17
C624
1/50
R4
16
C626
1/50
R3
15
C628
1/50
R2
14
R1
13
C630
1/50
+B
R
R155 150
R156
220K
R154
0V
10K
0.7V
0V
Q122
KTC3199 GR
R138
6.8K
C134
22/50
19 18 17 16
–
+
IC101 56K
Hich=CHROME
56K
+
–
5 6 7 8 9
C133
22/50
C
47
6