VFO
and
Buffer
Circuit Boards
*
TROUBLESHOOTING CHART
NOTE: Heath part numbers that correspond to the circuit
component numbers will be found in the Parts List starting
on Page
11
of this Manual.
SYMPTOM
Frequency drift or warble.
Less than
.4
to
.5
VDC
VFO output.
,
POSSIBLE CAUSE
1.
Check all mechan~cal connections.
2.
Check
cemented capacitors on oscillator
circu~t board.
3.
Shorten wires to coil
L1201
and resolder
them securely.
4.
Resolder bare wires from tuning
capacitor
C1201
to circuit board
solder lugs.
-
1.
Refer to "VFOIBuffer Trouble
shooting Guide."
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