DIYbanter - Yamaha receiver, RX 550

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David

July 13th 03 05:50 PM

Yamaha receiver, RX 550

repair shop says there is a component in tuner which fails when warmed
up--in fact, in home use here, sound comes out distored after a few
hours turned on.

Can anyone help with a schematic, and/or tips to track down which
component is failing?

David

Mark D. Zacharias

July 13th 03 09:04 PM

Yamaha receiver, RX 550

Sounds like a VCO problem. Maybe an adjustment would help.

Mark Z.

"David" wrote in message
m...
repair shop says there is a component in tuner which fails when warmed
up--in fact, in home use here, sound comes out distored after a few
hours turned on.

Can anyone help with a schematic, and/or tips to track down which
component is failing?

David

Mark D. Zacharias

July 13th 03 09:05 PM

Yamaha receiver, RX 550

I was thinking discriminator, not VCO. Sorry.

mz

"David" wrote in message
m...
repair shop says there is a component in tuner which fails when warmed
up--in fact, in home use here, sound comes out distored after a few
hours turned on.

Can anyone help with a schematic, and/or tips to track down which
component is failing?

David

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