Sharp CD-BK1600V Service Manual page 28

CD-BK1600V/1800V/190V
A
B
C
D
E
+5V
+B
23
L
20
F
GND (A_GND)
21
R
22
GND (CD_GND)
24
A_10V
+B
25
-VP
27
VF2
28
VF1
26
G
SP_RLY
29
M_10V
30
-15V
–B
31
GND (D_GND)
32
+5V
+B
33
GND
A_GND
34
UN_SW_5V
+B
35
SP_DET
37
GND
(M_GND)
38
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
All manuals and user guides at all-guides.com
Ch1
-
1 2 3 4 5 6
C903
15P R919
C901
100
R920
220P
(1/4W)
22K
R901
C910
56K
R905 100/50
R903
1K
820
R931
C905
1K
47/50
R933
68K
C935
10/50
+B
IC852
AN78L05
+B
CONSTANT
VOLTAGE
REGULATOR
+B
3
5.7
+B
+B
+B
2 3
Figure 28 SCHEMATIC DIAGRAM (9/12)
IC901
STK40204
Ch2
POWER AMP.(2Ch)
7 8 9 10 11 12
R918
C912
C911
100
10/50
10/50
(1/4W)
R904
820
C906
47/50
R907
0.1(1W)
R908
0.1(1W)
D901
C907 R909
DS1SS133 DS1SS133
0.022 1K
4.1V
R910
4.1V
1K
0V
R911
0V
0V
10K
C908
Q901
0.022 0V
KTC3199 GR
R912 Q902
10K
KTC3199 GR
+B
+B
Q831
–B
KTC2026
+B 9.9V 20V
+B
9.9V
+B
+B 10V
3 1
2
C841
0.1(ML)
IC851
KIA7805AP
1
5V
+B
20V
3 1
2 20
2 IC851
KIA7805P
VOLTAGE
REGULATOR
+B
D852
D853
1N4004S
1N4004S
+B
–B
+B
4
– 28 –
FM SIGNA
13 14 15
C902
220P
R934
68K
D903
4.9V
Q904
KTC3199 GR
–B
R803
680
(2W)
R801
22K
R802
22K
+B2
20V
5 6
+
C803
2200/
C804
2200/
D803
1N4004S
D805
1N4004S