Sharp CD-XP300W Service Manual page 28

CD-XP300W
A
MAIN PWB-A1 (3/3)
B
R327
OSC BUFF
FM SIGNAL
C
AM SIGNAL
+B
D
LC72131
PLL(TUNER)
E
F
A+10V
26
CE
22
DI
23
CLK
G
24
DO
25
A_GND
27
TUN_R
29
D_GND
28
TUN_L
30
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
C314 D305
0.0047
+B C308
L312
C315 0.0047
R311
C316 0.022
R314
VD302
22
SVC211C
R313
C317
33K
0.001
C312
33
0.022
R325
47K
+B
R322
Q302
680 T302
KTC3194 Y
FM IF
C318
100P
2
CF303
R316 +B
4.7K
TP301
+B
C382
C381
C383
15P
12P
47P
(CH)
(CH)
X352
R375
470
4.5 MHz
IC302
1 X IN X OUT 22
VSS 21
2
AOUT 20
R374 1K
3 CE
R373 1K
4 DI
R372 1K
5 CLK
AIN
19
R378 1K
DO
6 18
PD
R379
VDD
FM/AM
7 17
2.2K
FM IN 16
IF
8
CONT
15
AM IN
C385
9
FM/AM
14 0.01
10 MO/ST SD 13
IF IN
12
11
ST IND
R376 C386
R386
1K
330P
22K
R360 R395
47K
4.7K
+B
R359
1.8K
R384
CONSTANT
5.6K
VOLTAGE
R385
5.6K
C391
47/25
R383
5.6K
C384 C388
0.001 0.001
2
Figure 28 SCHEMATIC DIAGRAM (9/10)
SO302
FM ANTENNA
TERMINAL
DS1SS133
C303
4.7P(CH)
10P(CH)
FM RF
C304
1
0.01
C309
100K 2
0.001
3
C305
4.7P
4
C320
(CH)
0.001
5
C310
6
15P(CH)
T301 7
8
R302
C311
9
10
18P
C306
0.022
C324
4.7P(UJ)
C307
10/50
VD303
SVC211C
1
C313
22P
R309
3
(CH)
10K
+B
R382
150
C397
C351
0.022
C352
R381
10K
C394
C393
47/25
1/50
C350
R380
1.5K
C392
C380
0.001
10/50
C387
2
0.022
C389
0.001
C353
L351
100 µH
R393
C354
1K
R377
47K
CF351
C398
100/10
R387
5.6K
C356
R388
0.001
3.9K
C355
22P
C370
1/50
L352
R392
100 µH
270
R391
270
+B
ZD351
DZ5.1BSB
3 4
– 28 –
1
BF301
2
B.P.F.
3
IC301
TA7358AP
FM FRONT END
T306
AM BAND
COVERAGE fL
C335
560P
C334
22P
(CH)
R323
68K
SVC348S
R336
10K
0.022 +B
R351
10/50
5.6K
AM OSC OUT
1
24
FM IF IN
AM OSC IN
0.022
23
2
AM MIX OUT
T351
FM AFC 22
REG
3
AM IF
AM RF IN
21
C363
C364
1 R352 VSM
20
1K
AM LOW CUT
C365
19
4
AM IF IN
3
C366
FM/AM OUT
CF352 18
5
GND
0.022
6
SD
C367
1/50
0.022
STEREO
7
FM DET
8
R353
270
C399
0.022 MPX VCO
17
VCC
9
MPX IN
16
IF OUT
10
PHASE
11
C357 C369 27P(UJ)
2.2/50
R-CH OUT 15
R355
14
L-CH OUT
3.3K
PHASE
12
MO/ST
13
(FM/AM)
C358
1/50
C372
IC303
1/50
LA1832S
FM IF DET./FM
MPX./AM IF
5
AM LOOP
ANTENNA
2 1
CNP301
2 1
C302
0.001
C323
0.022
+B
T303
C330
15P
VD301
C332
0.022
C331
0.047
C342
0.022
R358
3.9K
R365
10K
C362 3.3/50
C361 0.022
+B
0.022
2.2/50
0.022
0.001
R350
2.7K
X351
456 kHz
C368
1/50
TP302
R356
R357
1K
470K
C374 0.015
C373
0.015
C371
1/50
6