Test Chart - Heathkit SB-104 Operation Manual

Page
273
TEST CHART
This chart uses selected parts of the "Test and Adjustment"
section to check circuit boards. I t will be most useful for the
type of difficulty that shows up after the Transceiver has
.
.
~,
been in operation for some time. Refer first to the
"Function" column and locate the function that is not
operating properly on y w r Transceiver. Then perform the
proper tests (and adjustments in some cases) as described in
the next column.
Be sure to sse "After you localize the trouble to enearea:"
on Page 264.
Transmitter au "Transmit Audio
Vox ampl., keying, relay
"VFO Shift Ad'ustment"
"Receiver Alignment"
G
C
J
H
"Low Power Transmitter"
"P.A. Circuit Board"
Receiver front end, band-
pass filters.
Transmitter IF amps.,
ALC, bandpass filters
Driver
Power Amplifier
243
244