Sharp CD-BP1200W Service Manual page 26

CD-BP1200W/1250W
FM SIGNAL
AM SIGNAL
A
MAIN PWB-A1(3/3)
B
C
D303
1SS133
+B
D
E
F
+B
A_10V
20
G
A_GND
28
+5V
18
TO
TUN_R
24
MAIN/
POWER
TUN_L
25
SECTION
P23 11-C
DI
22
P24 1-G
CE
21
DO
26
CLK
23
GND
27
(D_GND)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
1
C314
0.0047
C315
C301
0.0047
0.001
C316
0.022
C317
0.001
R327
R325
33
47K
0.8V
0V
2V
Q302
KTC3194 Y
C318
100P
C302
D304
0.001
1SS133
TP301
X352
C381
C382
4.5 MHz
12P
15P
(CH)
(CH)
R375
1 22
X IN X OUT
820
21
VSS
2
N.C.
20
AOUT
R374 1K
C393
3
CE
1/50
R373 1K
19
AIN
4
DI
R372 1K
5
CL
18
PD
R378 1K
6 17
VDD
DO
R379
7 FM/AM 16
FM IN
2.2K
15
AM IN
IF
8
CONT
14
N.C.
9
FM/AM
10 13
SD
MO/ST
12
IF IN
11
ST IND
C386
IC302
330P
R376
LC72131
1K
PULL(TUNER)
R386 +B
22K
R395
R360
47K
4.7K
+B
R359
1.8K
R384
5.6K
R385
10V
5.6K
C391 9.3V
10V
47/16
+B
R383 C395
5.6K 0.022
2 3
Figure 26 SCHEMATIC DIAGRAM (9/9)
SO302
FM ANTENNA
TERMINAL
D305 1SS133
C308
4.7P
L312 FM RF
C309
R311
0.001
100K
R314
22
VD302
R313
SVC211C
33K
C310
15P
C312
(CH)
0.022
T301
FM OSC
FM IF
C324
T302
R322
3.9P(UJ)
680
VD303
SVC211C
2 1
C313
R309
22P
3
10K
(CH)
CF302
R316
4.7K
R382
150
C351
C397
0.022
0.022
C352
R381
10/16
10K
C350
C394 0.022
47/16
T351
R380
1.5K
C392
C380
0.001
10/16
C387
2
0.022
CF352
C385
L351
0.01
100µH
R377
C353
47K
0.022
R393
C354
1K
0.022
CF351
+B
C399
0.022
C356
C398
0.001
100/10
+B
R387 C355
5.6K
22P
R388 R355
3.9K 3.3K
C370
1/50
L352
100µH
+B
C396
100/10
+B
4
– 26 –
AM LOOP
ANTENNA
2 1
CNP302
2 1
BF301
1
2
C303
3
10P (CH)
C304
1
0.01
2
3
4
C305
4.7P
5
(CH)
AM BAND
6
COVERAGE fL
T306
7
AM OSC
8
R302
10
C335
C334
560P
27P
9
(UJ)
C306
IC301
0.022
TA7358AP
FM FRONT
END R323
68K
C307
10/16
VD301
SVC348S
R336
10K
R351
5.6K
AM OSC
1 24
FM IF IN
OUT
C362
AM OSC 23
AM MIX
2
IN
OUT
C361
FM
22
3
REG
AFC
AM IF
AM
21
RF IN
1
R352
VSM 20
1K
3
AM LOW
4 AM IF IN 19
CUT
18
FM/AM
5
GND
OUT
6
SD
C367
1/50
7
STEREO
8 FM DET
X351
R353
456KHz
270
17
MPX VCO
C368
9
VCC
1/50
16
MPX IN
C357
10 IF OUT
2.2/50
PHASE
11
+B C369
R-CH OUT 15
27P(UJ)
L-CH OUT 14
PHASE
12
13
MO/ST
C358 (FM/AM)
1/50
C372
1/50
IC303
LA1832S
FM IF DET/
R362
FM MPX/AM IF 680
5
D301
1SS133
C323
0.022
T303
C330
15P
(UJ)
C332
0.022
C331
0.047
C342
0.022
R358
3.9K
R365
10K
3.3/50
0.022
C363 0.022
C364 10/16
C365 0.022
C366 0.001
R350
2.7K
TP302
R357
R356
470K
1K
C374
0.015
C373
0.015
C371
1/50
R361
R364
680
6.8K
R363
6.8K
6