[TechAssist] Sony KV27FS100L
- From: Paul <dntwntv@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 29 Sep 2005 17:39:26 -0700 (PDT)
How reliable are blink codes? This set is becoming more of a problem than I
first thought. The blink code is four, indicating a problem in the vertical
circuit, as I suspected before getting the service manual. I replaced the
vertical I/C as the most likely cause per the self diagnostics. Problem
remains, that being the set tries to start but never makes enough B+ and goes
into stand by. I removed the HOT and replaced both switching mosfets. Nothing
has changed. I have checked the lytics in that circuit, and supply resistors.
Nothing shorted or low to ground on the B+ line.Haven't found anything bad yet.
When I took the back off and saw that the chassis was the one that has bad tact
switches I headed there first. Anyone familiar with this chassis and this
problem?
Paul
Paul ,B
Central TV&Video
911W Grand Ave
Grover Beach Ca.
(805)481-8084
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