Sharp CD-BK1600V Service Manual page 30

CD-BK1600V/1800V/190V
A
MAIN PWB-A1(3/3)
FM SIGNAL
AM SIGNAL
B
C
+B
D
E
F
+B
A_10V
25
G
GND
21
TUN_R
TO
41
MAIN
SECTION TUN_L
40
P27 12-C
P27 10-H
DI
43
CE
44
DO
39
CLK
42
GND
32
D GND
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
C314
0.0047
C315
0.0047
C316
0.022
C317
0.001
R327
R325
33
47K
Q302
R322
KTC3194 Y
C318
100P
R316
4.7K
C381
C382
12P
X352
15P
(CH)
4.5 MHz
(CH)
R375
1 22
X IN X OUT
470
21
VSS
2
20
AOUT
R374 1K
C393
3
CE
1/50
R373 1K
19
IC302
4
DI
R380
LC72131
R372 1K
1.5K
5
CL
AIN 18
R378 1K
6 PD 17
DO
R379
7 FM/AM 16
VDD
2.2K
15
FM IN
IF
8
CONT
14
AM IN
C385
9
FM/AM
0.01
10 13
SD
MO/ST
12
IF IN
11
ST IND
IC302
R376
C386
PLL(TUNER)
1K
330P
R386
22K
R395
R360
47K
4.7K
R359
1.8K
Q360
KTA1266GR
R384
5.6K
R385
5.6K
C391
R391
47/16
+B
270
R383
5.6K
+B
A GND
2 3
Figure 30 SCHEMATIC DIAGRAM (11/12)
SO302
FM TERMINAL
C301
C375
0.01
0.001
D305 DS1SS133
C308
4.7P
FM RF
L312
C309
0.001
R311
R314
100K
22
VD302
R313
KDV147B
33K
C310
15P
C312
(CH)
0.022
T301
FM OSC
FM IF
C324
T302
8.2P(UJ)
680
VD303
KDV147B
2 1
C313
R309
22P
3
10K
(CH)
CF303
+B
R382
150
C351
C397
0.022
0.022
C352
R381
10/16
10K
C350
C394 0.022
47/16
T351
C392
C380
0.001
10/16
C387
2
0.022
CF352
L351
100µH
R377
C353
47K
0.022
R393
C354
1K
0.022
CF351
C399
0.022
C356
C398
0.001
100/10
R387 C355
5.6K 22P
R388 R355
3.9K 3.3K
C370
1/50
L352
100µH
C395
0.022
R392
270
C396
100/10
4
– 30 –
AM LOOP
ANTENNA
2 1
CNP302
2 1
1
2
C303
3
10P (CH)
C304
1
0.01
2
D301
DS1SS133
3
4
C305
AM BAND COVERAGE fL
4.7P
5
(CH)
C337
6
27P
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
FM BAND
VD301
COVERAGE fL
SVC348S
R336
10K
R351
5.6K
AM OSC
1 FM IF IN 24
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 19
AM IF IN
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
11 PHASE
C369
R-CH OUT 15
27P(UJ)
14
L-CH OUT
PHASE
12
13
MO/ST
(FM/AM)
C358
1/50
C372
1/50
IC303
LA1832S
FM IF DET/ R362
FM MPX/AM IF
6.8K
5
C338
C302
0.001
0.001
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
6.8K
10K
R363
10K
6