Form: 640188 TS-4
No Radio audio, (one or both sides
of coach) all other channels operate
correctly.
Improperly connected or
defective Radio.
Check power to the Radio. Radio
must be turned on to operate.
Control Head (700227) must be in
the RAD mode
Check RCA connections from the
Radio to the Control Head, Labeled
RADIO-AUD OUT #31 to RADIO -
AUD IN #31.
If Radio Audio is present only on
one side of the coach (other channels
operate correctly) reverse the RCA
connectors, on the rear of the Radio.
If the audio switches sides, repair or
replace the Radio. If the audio does
not switch sides, repair or replace the
Control Head (700227).
Defective Control Head
(700227).
Verify that the Control Head is
turned on and in the RAD mode.
Verify that the Volume is not set to
minimum. Check if Radio audio is
present on the Driver's speakers. If
so and all other checks are OK,
repair or replace the Control Head
(700227).
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