I have a Uniden washington base station. It works great but the receive
audio is very muddy & garbled. Any Ideas?

Floyd

On 22 Apr 2005 02:52:54 -0700, "compwiz1"
wrote in .com:

I have a Uniden washington base station. It works great but the receive
audio is very muddy & garbled. Any Ideas?

Floyd


There are a lot of possibilities:

-- Bad speaker
-- Bad RF or IF receive section
-- Bad detector/discriminator
-- PLL not properly aligned
-- Listening to SSB transmissions while in AM mode
-- "With old radios like that, the problem is almost always related to
caps drying out."

The problem is that it's nearly impossible to troubleshoot your radio
with the little information you have provided. Best take it to a
competent shop.







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Hello Floyd:

The receiver can be checked with a signal tracer or audio amplifier with
a RF probe, the distorted audio can be isolated to the offending stage.

Distortion is usually a bias problem, but can be a speaker, bad
connection at a external speaker jack, or again the wrong voltages
somewhere in the radio.

Touch the middle terminal on the volume control, you should hear a hum,
and if the hum is distorted as the received radio signals you have
isolated it to the audio stages.

Jay in the Mojave

compwiz1 wrote:

I have a Uniden washington base station. It works great but the receive
audio is very muddy & garbled. Any Ideas?

Floyd