Schematic Diagram Main(2/3) - Sharp XL-MP8H Service Manual

XL-MP8H

[4] SCHEMATIC DIAGRAM MAIN(2/3)

A
MAIN PWB-A1(2/3)
B
C
D
E
AM
1
GND
2
FM
3
GND
CNP301
F
CHASSIS
GND
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
1
AM SIGNAL
FM SIGNAL
BAND PASS
FILTER
BF301
1 2 3 1 2
C319
18P (CH)
+B
C303
0.001
C301
0.012
C349
0.001
2 3
Figure 6-4 SCHEMATIC DIAGRAM (3/8)
AM TRACKING fL
MW ANT
T302
C329
0.022
C302
0.001
MW OSC
D301
1N4148
D302
1N4148
T306
AM BAND
COVERAGE fL
IC301
TA7358AP
FM FRONT END
3 4 5 6 7
C318 C320
0.001
5P
T304
R307
47
FM IF
C311
10P
(CH)
+B
R301
22
R310
4.7K
R305
680
R304
47K
Q302
2HJ9018 GR
4
6 – 4
VR351
L353
1mH
C335
560P +B
8 9
+B
CF303
FM IF
R312
2.2K
+B
+B
TP-VT
C314
22P
(CH)
R308
10K
+B
R309
470
C321
0.0033
5
24 23 22 21 20
1 2 3
C350
0.022
T351
AM IF
C378
330P
R382
330
C393
R386
1/50
330
R3
1.
C381
12P
22 21 20
(CH)
C382
1 2 3
15P
(CH)
IC302
LC72131
PLL(TUNER)
6