Sharp MD-M3 Service Manual page 44

MD-M3/M1
A
C302
0.001
B
CHASSIS GND
C301
0.001
BI301
D301
DS1SS133
MAIN RADIATOR
CHASSIS GND
D302
DS1SS133
C
D303
DS1SS133
D304
DS1SS133
K
C340
0.001
D
AM
GND
FM
75 OHMS
SO301
ANTENNA
E
8 7 6
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 26.
1
VD301-1
R319
T302 KV1236Z23F
100K
C330
10P
AM ANT. (UJ)
VD301-2
T306 KV1236Z23F
R323
68K
C334
AM OSC
18P
(UJ)
C337
0.022
L342
2.2mH
R369 C341
82 0.022
5 4 3 2 1
FE301
FM FRONT END
FM SIGNAL
AM SIGNAL
2 3
Figure 44 SCHEMATIC DIAGRAM (9/14)
C332
0.022
VR351
10K(B)
R324
100K
C335
C336
18P
470P
(CH)
R336
4.7K
CF302
FM IF
2
1 3
4
– 44 –
R358
C343
8.2K
33P
L353
1mH
FM MUTE
LEVEL
AUTO-STOP
24 23 22 21
IC303
R351 LA1832S
5.6K
FM IF DET./FM MPX./AM IF
1 2 3
R352
1K
CF352
AM IF
1
T351
AM IF
C397 C394
0.022 47/16
C392
0.001
R382
R381
150
10K
R380
1.5K
VT
C393
1/50
2.68V
C381
12P(CH)
22 21 20
X352
4.5MHz
1 2
2.67V
C382
15P (CH)
IC302
LC72131
PLL CONTROLLER
5
20 19
4 6
5
3
2
C387
C380
0.022
10/35
R379
2.2K
19 18
3 4 6
5
4.79V
Q37
KTA1015
6