CD-BA3100 (serv.man5). Split - Section 3 - Block Schematic diagrams - 25-37 - Sharp Audio Service Manual (repair manual). Page 10

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CD-BA3100H
– 34 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 48.
Figure 34 SCHEMATIC DIAGRAM (7/10)
3
1
2
L  OUT
L
R
+5V(BACK_UP)
SP  RLY
AC_RLY CON 
SP  DET
+5V(UN_SW)
–VF
VF1
VF2
P_IN
P_IN(SYS  REST)
+B(+18V)
+B(+9V) 
GND 
VF2 
VF1 
–VF 
P32  1 - G
FROM DISPLAY PWB
GND
+B(+9V)
+B(+18V)
GND
+5.6V
P_IN(SYS  REST)
+B(+18V)
+B(+9V) 
GND 
L-CH
A_GND
R-CH
P30  1 - B
TO MAIN PWB
VF1 
VF2 
–VF 
M_12V
R  OUT
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
9
1
2
3
4
5
6
7
8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
13
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
–VCC
–VCC
+VCC
+VCC
CH2
OUT
OUT 
CH1
CH2 
CH1
FRONT_L 
CH2 
FRONT_R 
CH1
+
–
+
–
+
–
+
–
CH1
OUT
OUT
CH2 
POWER A PWB-D2
1
2
3
1
2
3
+B
GND
AC_RLY CON
+5V (UN_SW)
+5V (SW)
P_IN
SUB +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
CNP806
CNS905
VOLTAGE
REGULATOR
RELAY
DRIVER
+B
+B
C906
0.0015
C910
15P
R918
1K
R904
56K
R908
1K
R906
560
R902
22K
C903
100/50
R901
100(1/4W)
Fusible
C990 0.22/50
R994
0.22
(2W)
R996
0.22
(2W)
R912
0.1
(1W)
R914
1K
C912
0.022
R916
6.8K
Q902
KTC3199 GR 
D902
DS1SS133
C902
10/50
R911
0.1(1W)
C905
0.022
R915
6.8K
R913
1K
Q901
KTC3199 GR
D901
DS1SS133
Q903
KTC3199 GR
D903
DS1SS133
C904
100/50
R910
100(1/4W)
Fusible
R907 560
C911
10/50
R903 56K
C909 15P
R909
1K
R917
1K
C907
0.0015
R920
56K
R921
56K
Q904
KTC3199 GR 
C917
0.22
C916
0.22
C918
0.22
C919
0.22
C914
47/50
R919 56K
R923
4.7
R922
4.7
R956
18K
C958
0.22/50
C959
0.22/50
R970
68K
C960
0.1
(ML)
R957
18K
C954
0.082(ML)
C955
0.082
(ML)
R971
68K
C961
0.1
(ML)
R998
27K
R972
68K
C942
0.015(ML)
R974
68K
C944
0.001
C943
0.001
C892
0.047(ML)
C817
0.047(ML)
C829
0.047(ML)
D821
DS1SS133
R975
68K
R973
68K
R997
27K
C941
0.015(ML)
Q991
KRA107 M
R828
100
C825
3.3/50
C818
470/35
C819
1000/6.3
Q990
KRC107 M
CNP906
D819
DS1SS133
CNP905
R808
150
D820
DS1SS133
C830
1000/6.3
R809
2.2K
IC901
STK40270N
POWER AMP. 
IC902
STK40270N
POWER AMP. 
C926
0.0015
C928
15P
R976
1K
C922
100/50
R926
22K
C991
0.22/50
R924
100(1/4W)
Fusible
R928
56K
R932
1K
R930
820
C930
1/50
R934
0.1
(1W)
R938
1K
C924
0.022
R936
10K
Q906
KTC3199 GR 
D905
DS1SS133
C920
10/50
C921
10/50
C923 100/50
R925
100(1/4W)
Fusible
R929
820
D904
DS1SS133
Q905
KTC3199 GR 
R937
1K
R935
10K
C925
0.022
R933
0.1
(1W)
D809
DS1N404
D818
DS1N404S
C807
100/50
R82
47
R826
220K
C802
C801
2200/50
C810 47/50 
ZD801
DZ30BSC
C809 220/50
R801 2.2K
Q801
KTA1274 Y
R802
10
C811 47/50
R804 47K
ZD802
DZ6.2BSA 
C812 100/35
R803
12K
R829
47
R830
47
CNP901
BI901
CNS901
C908
10/50
R819
22K
R805
22K
R967
22K
R
2
C814
2200/63
C813
2200/63
C901
10/50
R806
10K
R993
0.22
(2W)
R995
0.22
(2W)
D822
DS1N404S
R836
100
Q821
AN78L05
D812
DS1N404S
D815
DS1N404S
D814
DS1N404S
D813
DS1N404S
R815
220K
D811
DS1SS133
R807
220
R816
1K
R817
47K
Q802
KTC3199 GR
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