Sharp CD-M4000W Service Manual page 28

CD-M4000W/CP-M4000
A MAIN PWB-A (2/2)
B
R327
OSC BUFF
FM SIGNAL
C
AM SIGNAL
+B
D
LC72131
PLL(TUNER)
E
F
+B
1
CE
2
DI
3
G CLK
4
DO
5
D_GND
6
TUN_R
7
A_GND
8
TUN_L
9
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
1
C314
D305
0.0047
+B C308
L312
C315 0.0047
R311
C316 0.022
R314
VD302
22
KDV147B
R313
C317
33K
0.001
C312
33
0.022
R325
47K
+B
R322
Q302
680 T302
KTC3194 Y
FM IF
C318
100P
2
CF303
+B
R316
4.7K
TP301
+B
C382 C381
15P 12P
(CH) (CH)
X352
R375
470
IC302
1 X IN X OUT 22
VSS
21
2
AOUT
20
R374 1K
3 CE
R373 1K
4 DI
R372 1K
5 CL
AIN
19
R378 1K
6 DO 18
PD
VDD
FM/AM
17
7
FM IN 16
IF
8
CONT
15
AM IN
9
FM/AM
14
10 MO/ST SD 13
IF IN
12
11
ST IND
R376
C386
R368
1K
330P
22K
R360 R395
4.7K 47K
+B
R359
1.8K
R384
CONSTANT
5.6K
VOLTAGE
R385
5.6K
C391
47/16
R383
5.6K
C388
0.001
2
Figure 28 SCHEMATIC DIAGRAM (9/10)
SO301
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
(CH)
C310
5
15P
6
(CH)
T301 7
8
R302
C311
9
10
18P
C306
0.022
C324
8.2P(UJ)
C307
10/16
VD303
SVC211C
1
C313
22P
R309
3
(CH) 10K
+B
R382
150
C397
C351
0.022
C352
R381
10K
C394
C393
47/16
1/50
C350
R380
1.5K
C392
C380
0.001
10/16
R379
2.2K
C387 0.022
C385
L351
0.01
100µH
C353
R377
R393 C354
47K
1K
CF351
C398
100/10
R387
5.6K
R388
3.9K
C355
22P
L352
R392
100µH
270 FM IF DET./FM MPX./AM IF
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
C334
22P
(UJ)
R323
68K
R336
10K
0.022 +B
R351
10/16
5.6K
AM OSC OUT
1
24
FM IF IN
AM OSC IN
0.022
23
2
AM MIX OUT
T351
22
FM AFC
REG
3
AM IF AM RF IN
21
1 R352 VSM
20
2
1K
AM LOW CUT
4 19
AM IF IN
3
FM/AM OUT
18
CF352
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
C356
PHASE
11
0.001
C357 C369 27P(UJ)
2.2/50
R-CH OUT 15
R355
14
L-CH OUT
3.3K
12 PHASE
MO/ST
C370 13
(FM/AM)
C358
1/50
1/50
C372
IC303 1/50
LA1832S
R362
3.3K
R364
6.8K
R363
6.8K
5
AM LOOP
ANTENNA
2 1 CNP301
2 1
C323
0.022
+B
C335
560P
T303
C330
15P(UJ)
VD301
SVC348S
C332
0.022
C331
0.047
C342
0.022
R358
3.9K
R365
10K
C362 3.3/50
C361 0.022
+B
C363 0.022
C364 2.2/50
C365 0.022
C366 0.001
R350
2.7K
X351
456 kHz
C368
1/50
TP302
R356
R357
1K
470K
C374 0.018
C373
0.018
C371
1/50
R361
3.3K
6