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TS430S.10
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1990-10-14
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692b
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SB-888
TS-430S Intermittent PLL Unlock in FM/AM 10-17-84
Some owners of the TS-430S have reported intermittent loss of transmit and
Receive when operating in the FM or AM modes, along with a loss of the
digital display.
The cause of this may be due to a loss of the FM/AM Heterodyne Oscillator
signal. Replacing the components listed below will correct most instances
of this failure.
Procedure:
ON the Control Unit (X53-1290-XX) change R131 to a 22 K ohm 1/4 watt carbon
resistor, and change C144 to a 3 pF 25v Disc ceramic capacitor.
Time required for this modification is 30 minutes.
No realignment is required.
CLM
(c) 121589TKC