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CD-BA1200 (serv.man7). Part 2 - Notes on diagrams, Waveforms, Block diagrams - Sharp Audio Service Manual (repair manual). Page 5

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– 19 –
CD-BA1200H
 Figure 19 BLOCK DIAGRAM (3/3)
+B2
JK901
HEADPHONES
RESET
Q904
M10V
+B2
D806
+5V
Q803
+B6
UNSWITCH
5V
RL801
D802~805
PT802
SUB POWER
TRANSFORMER
L801
LINE
FILTER
SO902
AC INPUT
PT801
MAIN POWER
TRANSFORMER
REC/PLAY
VLOAD
+B6
RESET IC
SYS.STOP
RESET
IC704
KIA7042PA
Q707
TERMINAL
SPEAKER
SO901
+B6
+B6
+B6
+B6
VDD
VDD
VDD
R-OUT
L-OUT
SP.DET.
Q902
Q901
+5V
A10V
+B4
+B3
IC904
KIA7810AP
VOLTAGE
REGULATOR
IC903
AN7805
CONSTANT
VOLTAGE REGULATOR
IC902
SYSTEM
MUTE
CE
DI
CL
DO
+B1
+B3
XL701
4.1943 MHz
D911  D914
D907  910
F901
T2.5A L 250V
Vcc
L
R
POWER
 
AMP.
LA4282
IC901
BAIS
T1/T2
AVDD
SW723-SW725
SW709-SW721
SW701-SW703
KEY
SECTION
TO CD
Q701
SUPPLY CORD
AC 230V,50Hz
AC POWER
T.F.
IC701
IX0337AW
SYSTEM
MICROCOMPUTER
DISPLAY
FL701
17
9
7
2
3
1
7
1
4
Q602
Q601
1
2
3
10
11
13 15 16 19 20 22 26
14 17 18 21 27
30
31
32 33
71
78
79
80
91
92
99
100
1
4 5 6
10 11 12 13 15 16
20 21 22 23 24
39
38
37
36
35
34
33
31
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
11
9
4
10
2
5
L
R
F902
T1.6A L 250V
VF1
VF2
KIA7810AP
VOLTAGE
REGULATOR
Q903
5W
+B5
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CD-BA1200 (serv.man15) Tape error on display Technical Bulletin 2 158.59 KB
CD-BA1200 (serv.man16) Parts assigned as service parts Technical Bulletin 1 41.4 KB
CD-BA1200 (serv.man17) Addition of screws to CD player to prevent seizure Technical Bulletin 2 80.54 KB
CD-BA1200 (serv.man18) Addition of screws for CD player to prevent seizure Technical Bulletin 2 83.02 KB
CD-BA1200 (serv.man19) Fly wheels assigned as service parts. Technical Bulletin 1 66.95 KB
CD-BA1200 (serv.man20) Part setting for separate items in cassette mechansim. Technical Bulletin 1 69.32 KB
CD-BA1200 (serv.man21) Correction to printing error in (Belt). Technical Bulletin 1 66.4 KB

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