Sharp CD-C831W Service Manual page 24

CD-C831W
TUNER PWB-C
A
B
R363
47K
R362
R364
47K 1.2K
C374
0.015 C369
27P
R357
470K
R356
C
C368
1K
1/50
X351
456KHz
C366 0.001
C365 0.022
C364 10/16
C363 0.022
D
C361 0.022
C362
C343 3.3/25
33P
R358
8.2K
E
T302
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
D353
DS1SS133
R354
3.9K
C370
PHASE 1/50
13 MO/ST
12
(FM/AM)
L-CH OUT
14
C355
R-CH OUT
15
22P
PHASE 11
IF OUT 10
16 MPX IN
VCC 9
MPX VCO
17
R353
270
FM DET 8
CF351
STEREO
7
C354 0.022
C353
SD
6
0.022
GND 5
CF352
FM/AM OUT
18
3
2
4
19 AM LOW CUT
R352
VSM
20
1K 1
AM RF IN
21
3
REG
FM AFC
22
AM MIX OUT 2
23
C350 0.022
AM OSC OUT
1
24 FM IF IN
R351
C352 10/16
5.6K
C351 0.022
IC303
CF302
3
LA1832
2
FM IF DET./
1
FM MPX./AM IF
R336
10K
TP302
VD301
SVC348S
R323
68K
C334
27P(UJ)
C335
560P
AM BAND
COVER
AGE
C337
0.022
SO301
ANTENNA
TERMINAL
2 3
Figure 24 SCHEMATIC DIAGRAM (9/9)
FM SIGNAL
AM SIGNAL
R385
L352 5.6K
100µH
R359
1.8K
R398
1.2K
C398
100/10
C399
0.022
R378
R393
R377
82K
1K
47K
12 IF IN
13 SD
L351
14
100µH TUN_MUTE
15 AM IN
C387
16 FM IN
0.022
17 VDD
18 PD
R379
19
AIN
2.2K
20
AOUT
R381
21
VSS
10K
22 X OUT
R382
150
C381
12P(CH)
+B
R346
330
R344 470
C347 0.022
R345 4.7K
C345 0.022
C321 100/16
C346 0.022
C301
0.001
4
– 24 –
+B
+B
R384
5.6K
3
1
2
R371
1K
R360
R395
4.7K
47K
11
ST IND
MO/ST
10
9
8
B01 7
6
DO
5
CL
R372 1K
4
DI
R373 1K
CE 3
R374 1K
2
1
X IN
X352
C382
4.5MHz
15P
C384
(CH)
0.001
R375
68
IF OUT
1
C341
0.022
2 GND
F OUT
3
VT
4
L342
2.2mH
R369
5 VCC
1.2K
6 GND
7 GND
8
ANT
5
CNP303
D GND
1
CLK
2
DO
3
CE
4
DI
5
A+12V
CNS303
6
A GND
P17 12 - D
7
TO MAIN PWB
L
8
R
9
+B
+B
6