artisan 8640B - Page 284

Model 8640B TM 9-4935-601-14-7&P
CHANGE 20 (Cont'd)
Service Sheet 5 (schematic):
Replace appropriate portion of schematic with attached partial schematic.
P/O Figure 8-21. RF Oscillator Simplified Diagram (P/O Change 20)
7-50
P/0 A3 RF OSCILLATOR ASSY 1086«1-600991 ____ _
I PIO A3A4 c~~ECTOR - -
BOARD ASSY (086«1-601961
I u
I 3 mH
10 ~+--------<>"""+"""{'967
I RF osc
I ON/OFF INHIBIT
RF ON/OFF
VARACTOR
CATHODE
VARACTOR
9 ~+--------o-+~~M)-•AN~O~OE~
8~---------<:>----t-{
12~--------~~~
L2
3 mH
~zov
-5.2V
-zov
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