Sharp CD-K1861V Service Manual page 28

CD-K1861V
TUNER PWB-G
A
B
R363
47K
R364
47K
C
C374
0.033
R357
470K
R356
1K
C366 0.001
C365 0.022
D
C364 10/16
C363 0.022
C361 0.022
C362
C343 3.3/50
33P
R358
8.2K
E
F
T302
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
D353
DS1SS133
6V 6V
R354
3.9K
0V 0V
0V 0V
R362
1.2K
C370
PHASE 1/50
MO/ST
13
12
(FM/AM)
L-CH OUT
14
R-CH OUT
15
PHASE 11
IF OUT 10
16 MPX IN
C368
VCC 9
1/50
MPX VCO
17
R353
X351
270
456kHz
FM DET 8
CF351
STEREO
7
C354
C353
SD
6
0.022
GND 5
CF352
FM/AM OUT
18
3
4
AM LOW CUT
19
R352
VSM
20
1K 1
AM RF IN
21
3
REG
FM AFC
22
AM MIX OUT 2
23
C350
AM OSC OUT
1
24
FM IF IN
R351
C352
5.6K
C351
+B
IC303
CF302
3
LA1832
FM IF DET./
1
FM MPX./AM IF
R336
1K
TP302
VD301
SVC348S
R323
68K
C335
C334
560P
27P(UJ)
C337
0.022
+B
SO301
ANTENNA
TERMINAL
2
Figure 28 SCHEMATIC DIAGRAM (13/13)
FM SIGNAL
AM SIGNAL
+B
R385
L352 5.6K
100µH
R359
1.8K
C355
22P
R398
1.2K
C398
100/10
C399
0.022
R393
R377
1K
47K
0.022
L351
100µH
2
C387
0.022
R379
2.2K
0.022
R381
10K
10/16
0.022
R382
150
+B
2
+B
R344 470
C347 0.022
R345 4.7K
C345 0.022
C321 100/16
C346 0.022
C301
0.001
3 4
– 28 –
+B
+B
11.2V
R384
5.6K
3 0V
1
0V
0V
3.9V
2
5.1V
R371
1K
R360
R395
4.7K
47K
R378
82K
ST IND 11
12 IF IN
MO/ST
SD 10
13
14
TUN_MUTE 9
15
AM IN
8
FM IN
16
VDD B01 7
17
6
18 PD DO
19
AIN
5
CL
R372 1K
DI 4
R373 1K
CE 3
R374 1K
20 AOUT
2
21
VSS
22 X OUT 1
X IN
X352
C382
4.5MHz
15P
C381
C384
(CH)
12P(CH)
0.001
R375
68
IF OUT
1
C341
0.022
GND
2
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 - C
7
TO MAIN PWB
L
8
R
9
+B
+B
6