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CD-BA1200 (serv.man8). Part 3 - Schematic Diagrams - Sharp Audio Service Manual (repair manual). Page 10

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CD-BA1200H
7
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9
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Figure 29 SCHEMATIC DIAGRAM (10/10)
24
23
22
21
20 19 18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
22 21 20
19 18
17 16 15
14 13 12
11
10
9
8
7
6
5
4
3
2
1
A  GND 
D  GND 
IF
CONT
FM/AM 
FM/AM
SD
CLK 
DO
TP
CE
DI
MO/ST
ST  IND
MO/ST 
SM
A+12V 
L 
R 
VSS
AOUT
AIN
PD
VDD
FM  IN
DO
CL
DI
CE
X  IN
IF  IN
REG
AM  IF  IN
GND 
SD
STEREO
FM  DET
VCC
IF  OUT
PHASE
PHASE
(FM/AM)
L-CH  OUT
R-CH  OUT
MPX  IN
MPX  VCO
FM/AM  OUT
VSM
AM  LOW  CUT
AM  RF  IN
AM  OSC  IN
FM  AFC
AM  OSC  OUT
AM  MIX  OUT
FM  IF  IN
X  OUT
AM  IN
1
3
2
MAIN PWB-A1(3/3)
1
2
3
4
5
6
7
8
9
10
P23  12 - B
TO MAIN SECTION
FM SIGNAL 
AM SIGNAL 
B
+B
+B
+B
+B
+B
+B
+B
+B
AM IF
SWITCHING
C342
0.022
R358
3.9K
C362
3.3/50
C361
0.022 
X351
456kHz
C368
1/50
R350
2.7K
C367
1/50
C365
 
0.022
C364 10/16
C363
 
0.022
L354
LOW PASS
FILTER
IC303
LA1832S
FM IF DET./FM MPX./AM IF
C373
0.018
C374
0.018
C369
27P(UJ)
R356
1K
R357
470K
R364
15K
C372
1/50
R362
1.2K
C371
1/50
R361
1.2K
R363
15K
R392
270 
Q360
KTA1266GR
R391
270
C395 0.022
C396 100/10
ZD351
DZ5.1BSB
L352
100
µ
H 
R393
1K
C370
1/50
R387
5.6K
R355
3.3K
C358
1/50
C357
2.2/50
C355
22P
C356
0.001
C398
100/10
C399
0.022
C354
0.022 
CF351 
R353
270
C350
0.022 
C352
10/16
R352
1K
CF352 
T351
C353
0.022 
R351
5.6K
R386
22K
C385
0.01
L351
100
µ
H 
R377
47K 
R360
4.7K
C386
330P
R395
47K
R384
5.6K
C391
47/16
R383
5.6K
R385
5.6K
R376
1K
R359
1.8K
R370
1K
C387
0.022
R378
1K
82
50
R380
1.5K
C393
1/50
R379
2.2K
C380
10/16
IC302
LC72131
LL(TUNER)
R372
1K
4
.5MH
z
R381
10K 
C397
0.022
C394
47/16 
C392
0.001
R374
1K
R373
1K
C388
0.001
R388
3.9K
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