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A.
-200 VDC
SUPPLY
V108 or associated components defective,
6. V108 pins 1,6
check heater (6.3 vrms).
(cathode)
-112 vde (nominal) +20%
B.
+300 VDC
SUPPLY
Also measure with RANGE switch between
ranges;
this will isolate a defective tuning
capacitor in RF OSC. or AMP.
2. Transf.sec.(red)
104 open or shorted.
3, C101 and C102
C101, 102 or CR101, 102, 103 and 104 open
or shorted.
Check V101, 102, 103, 104, DS
and 106.
5, V106
pin 9 (plate)
pin 8 (screen)
pin 6 (cathode)
V106, R102, 103 and 104.
V106, C103, R110, R111 and -200 volts.
V106, R113 and -200 volt supply.
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