[TechAssist] Re: Sony KV32TS20 very intermittant color. fix
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 13 Apr 2005 09:55:11 -0400
That's why I stupidly overlooked that board for days. Then I saw a pot
called sub color.
Phil
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
Damon wrote:
>That's a weird place to put Video circuitry.....on the Audio module.
>
>Damon Brunger
>Telrad Electronics
>Fort Wayne IN
>----- Original Message -----
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, April 12, 2005 11:01 AM
>Subject: [TechAssist] Sony KV32TS20 very intermittant color. fix
>
>
>
>
>>The color on this 32" sony would all of a sudden go, leaving a nice
>>black and white picture. It seemed changing stations, turning it off/on,
>>anything could "pulse" the color back.
>>I pull boards, resoldered edge connectors on the A and E board to no
>>avail. Resoldered all over the main board. But, if I flexed the main
>>board upward, or tapped any "daughter" boards,(or breathed on them!)the
>>color would kind of barberpole and go to B&W.
>>/FINALLY... /I noticed on the very end module, *the B board with the
>>audio outputs on it, also had RGB circuitry.*
>>I pulled that board to find tiny micro-cracks all over, especially the
>>edge connectors.
>>*Resoldering the B board restored solid color.*
>>Dog set. Problem was so intermittant normal troubleshooting really
>>didn't apply.
>>Phil Bader
>>
>>--
>>
>>Philip Bader
>>Jan Phyl TV Inc. (estab. 1976)
>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>Fax (863) 299-8821
>>email: tjanphyl@xxxxxxxxxxxxxxx
>>
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