Sharp CD-BK310V Service Manual page 32

CD-BK310V
MAIN PWB-A (2/2)
A
FM SIGNAL
AM SIGNAL
B
C
+B
C384
0.001
D
IC302
LC72131
PLL(TUNER)
+B
E
+B
R386
22K
F
+B
C388
+B
0.001
A_12 V
+B
9
G
A_GND
2
TUN_R
1
TUN_L
3
DI
6
CE
5
DO
4
CLK
7
GND
8
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
C314
0.0047
C315
0.0047
C316
0.022
C317
0.001
R327
33
0.3 V
0 V
R322
Q302
680
KTC3194 Y
OSC BUFF
C318
100P
R316
4.7K
C381
C382
12P(CH)
15P(CH)
X352
R382
4.5 MHz
150
1 22
X IN
X OUT
R381
21
VSS
2 10K
AOUT 20
R374 1K
3
C393
CE
1/50
R373 1K
4
DI
R380
R372 1K
1.5K
5
CL
C380
19
AIN
R378 1K 10/50
18
6
DO PD
R379
2.2K
7 17
FM/AM VDD
16
FM IN
IF
8
CONT
15
AM IN
9 C385
FM/AM L351
14
0.01
100µH
10 13
MO/ST SD
R377
47K
12
IF IN
11
ST IND
R376
C386
1K 330P
R360 R395
4.7K 47K
R359
1.8K
CONSTANT
R384
VOLTAGE
5.6K
R385
0.5 V
5.6K
0 V
C391
0 V
47/25
R391
270
+B
+B
2
Figure 32 SCHEMATIC DIAGRAM (11/12)
SO302
FM ANTENNA
TERMINAL
D305 DS1SS133
C308
FM RF
4.7P(UJ)
L312
R311
100K
C305
4.7P
(CH)
VD302
R313
SKDV147B
33K
C310 15P(CH)
C311
18P
C307
10/50
VD303
SVC211C
1
C313
2
22P(CH)
R309
3
10K
CF303
TP301
+B
C397
C351 0.022
0.022
C352 10/50
C394
C350 0.022
47/25
C392
0.001
T351
AM IF
C387
1
0.022 2
3
CF352
C353 0.022
R393
1K
C354 0.022
CF351
C399
0.022
C356
C398
0.001
100/10
R387
5.6K
C355
22P
R388 R355
3.9K 3.3K
C370
1/50
L352
100µH
FM IF DET./FM MPX./AM IF
ZD351
DZ5.1BSB
3 4
– 32 –
AM LOOP
ANTENNA
2 1
CNP301
2 1
R326
82
1
BF301
C303
2
B.P.F.
10P(CH)
3
C304
1
0.01
2
3
4
5
6
R302
7
10
8
C306
9
0.022
C334
22P(CH)
R323
68K
R336 10K
R351 5.6K
1 24
FM IF IN AM OSC OUT
AM OSC IN 23 C362
2 AM MIX OUT
C361
22
FM AFC
3
REG
21
AM RF IN
C363 0.022
R352 C364 2.2/50
VSM 20
1K
C365 0.022
4 AM IF IN 19
AM LOW CUT
C366 0.001
18
FM/AM OUT
5
GND
R350
6
2.7K
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
R356
10
IF OUT
11 C369
PHASE
27P
C374
15
R-CH OUT
14
L-CH OUT
12
PHASE
C372
13
MO/ST
(FM/AM) 1/50
R362
10K
IC303
LA1832S
5
C401
15P
C330
15P
VD301
KDV147B
C342
0.022
R358
3.9K
R365
10K
3.3/50
0.022
TP302
R357
1K 470K
0.015
C373
0.015
C371
1/50
R364
10K
R363
10K
6