CD-BA1500 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 9

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CD-BA1500H
– 28 –
Figure 28 SCHEMATIC DIAGRAM (5/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
3
1
3
1
3
1
+B
–B
5.7V
20V
10V
10V
10V
GND (M_GND)
SW_5V
GND (D_GND)
M_10V
GND A_GND
VF1
VF2
-VP
SP_RLY
-15V
SP_DET
UN_SW_5V
A_12V
GND  (CD_GND)
R
L
SW-5V
GND  (A_GND)
TO
MAIN
SECTION
P26  1-C
P27 10-H
2
2
2
4.1V
0V
0V
0V
0V
4.1V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Out 
Ch2 
Out 
Ch1 
Out 
Out 
Ch2 
Ch1 
Ch2 
Ch1
+Vcc
-Vcc
-
-
+
+
19.41V
20V
i
q
t
r
s
g
b
c
a
p
h
f
k
j
l
e
n
m
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
–B
+B
+B
+B
–B
–B
+B
+B
+B
–B
+B
AC_RLY_CONT
M
R917
4.7
D831
DS1SS133
C812
ZD802
DZ6.2BSA
C813
100/35
R807
12K
D805
1N4004S
1
D803
1N4004S
C803
2200/5
C804
2200/
R801
22K
R802
22K
R803
680(2W)
C831 220/25
C832 0.022
C807
3300/25
C851
0.1(ML)
IC851
KIA7805P
VOLTAGE
REGULATOR
IC841
KIA7810AP VOLTAGE REGULATOR
C852 0.022
C853 47/25
R851 10K
IC852
AN78L05
CONSTANT
VOLTAGE
REGULATOR
D851
DS1SS133
C854 47/25
C855
0.047(ML)
Q831
KTC2026
R832
33(1/2W)
C833
22/25
R833
22K 
C834
0.047(ML)
R831
3.3(1/2W)
Q902
KTC3199 GR
D901
DS1SS133
D902
DS1SS133
R910
1K
R912
10K
C908
0.022
R908
0.1(1W)
Q903
KTC3199 GR
Q904
KTC3199  GR
C917
47/50
R915
56K
R916
4.7
D903
DS1SS133
C936
10/50
R913
56K
R914
56K
C915
0.1(ML)
C916
0.1
(ML)
C914
0.1
(ML)
C913
0.1(ML)
R934
68K
R932
1K
R906
1K
C906
47/50
C904
15P
R902
56K
R904
820
C909
100/50
R918
100
C912
10/50
C911
10/50
C910
100/50
R919
100
R920
22K
C905
47/50
R903
820
R901
56K
R905
1K
C903
15P
R931
1K
R933
68K
C935
10/50
R907
0.1(1W)
C842
0.1(ML)
C843
47/25 
R841
22K
C841
0.1(ML)
C907
0.022
R909
1K
R911
10K
Q901
KTC3199 GR
C901
470P
IC901
STK40204
POWER AMP.
C902
220P
ZD803 DZ130BSB

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