Sharp MD-E9000H Service Manual page 40

MD-E9000H
SO301
FM ANTENNA
TERMINAL
FE301
8
FM FRONT END
2 6 7 3
AM LOOP
ANTENNA
L341
BALUN
AM TRACKING
T303
16 15 14 13 9
2 4 7 3 11 10 8
CNP451
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FM IF
AMP.
FM IF
1 CF301 Q301
5
VCC
4
IC303
LA1832S
FM IF DET./
FM MPX./
FM IF
AM BAND
COVERAGE
T306
VT
20
+B4
+B
FM
FM
Q360
CONSTANT
VOLTAGE
JK441
AUX INPUT
L
L 9
R
16
R
IC401
L 10
LC75341
15
R
AUDIO PROCESSOR
11
TUNER L
14
R
CD/MD
L 12
13
R
7 8 17 18
+B7 +B3
1 7 6 18 15 17 21 19 23 22
FROM MD SECTION
Figure 40 BLOCK DIAGRAM (3/4)
FM IF
+B4
CF302
CF351
T351 CF352
+B4
AM IF
1 2 4 5 9 8
FM+B
AM IF
AM MIX FM
GND
DET
FM/AM
OUT MPXIN
FM/AM IF MPX.
23 22 21 24 7 18 16
L354
LOW PASS
+B4
FILTER
QT21
AMP.
X352
4.5 MHz
1 22 15 16 11 3 4 5 6
OSC
IC302
LC72131 PLL(TUNER)
FM/AM MO/ST
9 10 21
7
1
DI
CE 2
24
CLK
R
21
L
4
23 +B4
VDD
3
24 2 5 8 4 10
– 40 –
X351
456 kHz
13
17
VCO
L 14
R
15
FM/AM
12
17
+B4
Q901
Q902
MUTING
LED
DRIVER
Q702
+B6