Sharp CD-C5H Service Manual page 34

CD-C5H,CP-C5H
FM SIGNAL
A
B
C302
0.001
C338
0.001
D301
1SS133
C
D302
1SS133
BALUN
1
2
D303
1SS133
D304
1SS133
D
C301
0.001
SO301
ANTENNA
TERMINAL
E
F
IC302
PIN
VOLTAGE
NO.
FM(ST)
1
2.4V
2 0V
3 0V
4 0V
5 4V
6 4.8V
7 0.3V
8 11.2V
G
9 0.5V
3.6V
10
4.8V
11
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
1
MW/LW SIGNAL
FM(ST): OTHER
AM: (
VD301-1
T302 KV1236Z23F
MW ANTENNA
C333
T301
22P(CH)
LW ANTENNA
C323
0.022
T306
VD301-2
MW OSCILLATION
KV1236Z23F
C335
18P(CH)
C334
C329
18P(UJ)
33P
L341 C326
18P(CH)
T305
C324
27P(UJ)
LW
OSCILLATION
C337
0.022
R346
330
L342
2.2mmH
C341
0.022
8 7 6 5 4 3 2
FE301
FM FRONTEND
IC302
PIN
VOLTAGE
NO.
FM(ST) AM
AM
12 0V
0.5V
13 0.6V
14 0V
15 0V
2.4V
2.4V
16 0V
17 4.8V
18 0.9V
11V
19 0.9V
0V
20 2.1V 0.9V
21 0V
0V
22 2.4V
2
Figure 34 SCHEMATIC DIAGRAM (8/17)
)
R319
100K
C331 C332
0.047 0.022
C339
0V
R331
22P(CH)
5.6K
0V
(0.7V)
0V
Q302
KTC3199 GR
R324
100K
C336
R332
470P
100K
0V
R333
5.6K
0V
0V (0.7V)
Q303
C327
KTC3199 GR
0V 680P
0V(0.7V)
R334
5.6K
0V
Q304
KTC3199 GR
CF301
FM IF
2
0V
1 3
R347
6.8K
0V
(9.2V)
1
MW+B
+B
3 4
– 34 –
C343
33P
C342
R358
0.022
8.2K
VR351
10K(B)
L353
FM MUTE 1mH
LEVEL
24 23 22
CF302
1 2 3
FM IF
3
1
T351
AM IF
2
C397
C394
0.022
47/16
+B
R382
150 R381
R380
10K
1.5K
C381
C393
12P(CH)
1/50
R379
2.2K
22 21 20 19
IC302
LC72131
C382
1 2 3 4
15P(CH) 5
11.2V
0V (1.1V)
(11.3V)
2 3
Q362 R397
KRA107 M 1K
1
11.3V
C384
0.001
+B
IC302
LC72131
PLL CONTROLLER
5
L
L
F
R35
2.7
C36
1/5
20 19 18
21
L
FM
FM M
4 5 6
7
1 3
2
R39
1K
L351
100µH
C385
0.01
C386
14
17 16 15 13 12
18
330P
R376
6 7 8 9 10 11
1K
4.1V
4.8V
Q371
0V
KTA1266 GR
SWITCHING
S
6