Sharp MD-C2 - Page 33

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MD-C2
Figure 33 BLOCK DIAGRAM (3/5)
TO MICROCOMPUTER
IC302
LC72131
PLL CONTROLLER
DO
D GND
L
L
R
R
CLK
TUN MUTE
A+12V
A-GND
CE
DI
CNP303
1
3
6
5
7
8
9
1
3
5
7
6
8
9
10
11
13
15
16
TP302
TP301
VR351
TP303
VCO
VCO ADJ
ST IND
Q342
Q344
Q342
+B3
+B3
+B3
+B3
+B3
+B3
20
11 10
76543 1
15 16 17 20 21 22
X352
4.5MHz
21
22
23
24
17
ANTENNA
TERMINAL
SO301
VD303
IC301
TA7358AP
FM FRONT END
IC303
LA1805
FM IF DET./FM MPX./AM IF
FM IF
FM OSC
T301
BF301
FM B.P.F
AM ANT.
VD301-1
VD301-2
T302
AM OSC
AM OSC
DET OUT
FM DET
FM DET
MPX IN
FM-M/ST
AM/FM SWITCHING
SWITCHING
AM/FM
AM OSC
AM RF
T304
FM IF
FM OSC
BUFF
FM IF IN
CF301
AM IF
AM IF
AM MIX
CF352
AM IF
T351
T352
Q302
VD304L303
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