Sharp MD-C2 Service Manual page 33

AM/FM SWITCHING
+B3
Q342
ST IND
AM IF
CF352
AM IF
T351
FM IF
CF301
IC301
TA7358AP
FM FRONT END
9
L303 VD304
8
FM OSC
7
FM IF
T301
6
VD303
5
3
1
FM B.P.F
BF301
SO301
ANTENNA
TERMINAL
TP303
VCO ADJ
AM/FM
11 VCO VR351
13
10 FM-M/ST
15
9
TP302
MPX IN
16
8
6
DET OUT
17
7
5 AM IF
FM DET
+B3
T352
FM DET 20
21 +B3
3 AM MIX
22
23
1 FM IF IN
24
AM OSC
FM OSC
BUFF
Q302
Figure 33 BLOCK DIAGRAM (3/5)
– 33 –
TO MICROCOMPUTER
9 8 7 6 5 4 3 2 1
10
+B3
SWITCHING
+B3
Q344
Q342
7 6 5 4 3
11 10
IC302
LC72131
PLL CONTROLLER
15 16 17
+B3
TP301
VD301-1
AM ANT. AM OSC
T302
T304
MD-C2
CNP303
1
X352
4.5MHz
20 21 22
VD301-2