Sharp CD-BK3200V Service Manual page 38

CD-BK3200V
MAIN PWB-A (2/2)
A
B
C
+B
C384
0.001
IC302
LC72131
D
PLL(TUNER)
+B
E
F
+B
A_10 V
9
A_GND
2
G
TUN_R
1
TUN_L
3
DI
6
CE
5
DO
4
CLK
7
D_GND
8
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 51.
1
CHASSIS
GND
FM SIGNAL
AM SIGNAL
0.0047
C317
0.001
R327
33
Q302
KTC3194 Y
OSC BUFF
C318
100P
C381
C382
12P(CH)
15P(CH)
X352
4.5 MHz
1 22
X IN X OUT
21
VSS
2
+B
AOUT 20
R374 1K
3 C393
CE
1/50
R373 1K
4
DI
R380
R372 1K
1.5K
5
CL
19
AIN
R378 1K
6 18
DO PD
R379
2.2K
7 17
VDD
FM/AM
16
FM IN
IF
8
CONT
15
AM IN
9 C385
FM/AM
14
0.01
10 13
MO/ST
SD
12
IF IN
11
ST IND
R376 C386
R386
1K 330P
22K
R360 R395
4.7K 47K
+B
R359
1.8K
CONSTANT
R384
VOLTAGE
5.6K
R385
5.6K
C388
0.001
C391
47/25
+B
+B
+B
2
Figure 38 SCHEMATIC DIAGRAM (11/12)
SO302
FM ANTENNA
TERMINAL
C314 D305 DS1SS133
0.0047
C308
FM RF
4.7P(UJ)
L312
C315
R311
100K
C316
0.022
VD302
R313
C320
SKDV147B
33K
0.001
C310 15P(CH)
C311
18P
R322
680
VD303
SVC211C
1
C313
2
22P(CH)
R309
3
10K
CF303
R316
4.7K
TP301
+B
R382
150
C397
C351 0.022
0.022
C352 10/50
R381
10K
C394
C350 0.022
47/25
C392
C380
0.001
10/50
C387
0.022 2
L351
CF352
100µH
R377
C353 0.022
47K
R393
1K
C354 0.022
CF351
C399
0.022
C356
C398
0.001
100/10
R387
5.6K
C355
22P
R388
3.9K
C370
1/50
L352
100µH
R391
ZD351
270
DZ5.1BSB
3 4
– 38 –
AM LOOP
ANTENNA
1
2
CNP301
2 1
1
BF301
C303
2
B.P.F.
10P(CH)
3
C304
1
0.01
2
C305
3
4.7P
(CH)
4
5
6
R302
7
10
8
C306
9
0.022
C334
22P(CH)
C307
10/50
R323
68K
R336 10K
R351 5.6K
1 24
FM IF IN AM OSC OUT
23
AM OSC IN
2 AM MIX OUT
22
FM AFC
3
REG
T351
21
AM RF IN
AM IF
C363 0.022
R352 C364 2.2/50
1
VSM 20
1K
C365 0.022
4 AM IF IN 19
AM LOW CUT
3
C366 0.001
18
FM/AM OUT
5
GND
R350
6
SD
IC303
C367
1/50
7
STEREO
8
FM DET
R353
X351
270
456 kHz
C368
17
MPX VCO
1/50
9
VCC
16
MPX IN
10
IF OUT
11 C369
PHASE
27P(UJ)
15
R-CH OUT
R355
14
L-CH OUT
3.3K
12
PHASE C372
13
MO/ST
(FM/AM) 1/50
IC303
LA1832S
FM IF DET./FM MPX./AM IF
5
CHASSIS
GND
D302
DS1SS133
C338
0.001
D301
DS1SS133
C323
0.022
C330
15P
VD301
KDV147B
C342
0.022
R358
3.9K
R365
10K
C362 3.3/50
C361 0.022
2.7K
TP302
R356 R357
1K 470K
C374 0.015
C373
0.015
C371
1/50
6