- R6 AND R7 from a 33 kilohm, .5 watt resistor to a 33 kilohm 1 watt resistor [PN
6-333-1].
Also check the 100 kilohm resistor at R215 and the 22 kilohm resistor at R316 for signs
of overheating. If necessary, replace them with 1 watt resistors: 100 kilohms [PN 6-104-
1] and 22 kilohms [PN 6-223-1].
ah.1.89. HW-101-85: VOX Activates When Mike Not Connected
APRIL 28, 1989
HW-101 BULLETIN NO: SSB TRANSCEIVER HW-101-85
If the optional cable to “patch jack” is installed, using the spare phono jack, and the VOX
activates without a mike connected, suspect a poor ground at the spare phono jack.
This phono jack is used as a ground connection for the power supply, including the 60
Hz filament supply. A poor ground at this point causes hum in the speech amp, tripping
the VOX. To correct this problem, tighten the screws securing the spare phono jack.
HW-101 Service Bulletins Page 160
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