Schematic Diagram - Sharp XL 1700 - Executive Microsystem Service Manual

XL-1700/1700C
A
C329
0.022
B
D301
1N4148
D302
1N4148
C
AM
1
D
GND
2
FM
3
75
4
ohms
SO301
ANTENNA
TERMINAL
C301
E 0.012
1N4148
D304
1N4148
CHASSIS
GND
F
G
TUNER PWB-B1
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
T302
AM
Tracking
C335
AM OSC
560P
R323
68K
T306
AM Band
Coverage
FE301
FM FRONT END
9V
8 7 6 5 4 3 2
C341
0.022
R346
D303
C302
0.001
C349
0.001
2 3
Figure 22 SCHEMATIC DIAGRAM (1/8)
FM Mute
Level
VR351
10K
L353
1mH
1
L342 2.2 H
R347
330 6.8K
FM IF
CF301
1 3
2
TP301
4
– 22 –
C360
0.022
24 23 22 21 20 19
1 2 3 4
2.1V 2.1V
T351
AM IF
3
1
1 3
2
2
R382
330
C393
R386
1/50
330
R380
1.5K
C381
22 21 20 19
12P
(CH)
1 2 3 4 5
C382
2.6V
IC302
15P
LC72131
PLL(TUNER)
5
18
2.3V
5 6 7 8
R
R
5
L
10
18 17 16 15
6 7 8 9
6