[TechAssist] Re: Sony KV36XBR450 Poor Grey Scale : Shuts down 5 blinks
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 21 Nov 2004 13:16:56 -0500
What did you do to correct this?
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd
----- Original Message -----
From: "Panday" <dpanday@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, November 21, 2004 10:58 AM
Subject: [TechAssist] Re: Sony KV36XBR450 Poor Grey Scale : Shuts down 5
blinks
> Jeff,
> Yes!
> Problems with Red driver on crt pcb.
> I went out on 3 service call in the last 3 week for this
> problem on the 450 and 400 xbr's.
> First, I thought is the crt, did the same test on crt.. tapping etc.,
> Took the chassis to shop and run for few days, the fault re-occurred.
> Good luck
> Panday
>
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, November 20, 2004 2:25 PM
> Subject: [TechAssist] Sony KV36XBR450 Poor Grey Scale : Shuts down 5
> blinks
>
>
>> Make : Sony
>> Model : KV36XBR450
>> Problem : Set comes on OK but image looked reddish/bluish , clearly
>> lacking
>> most of the green drive. It did have some green but not 100%. Set would
>> shut off after a minute or so with a 5 blink error code (White Balance
>> Failure)
>>
>> Pulled the back off the set and tapped on the CRT drive board and neck
>> area
>> of the CRT and picture came back into spec ! Perfect! OK!
>>
>> After this "fix" set seems OK , BUT we know better! Tapping / Flexing
>> the
>> drive board and CRT neck does not show any sign of instability.
>>
>> Removed the CRT board , Was VERY difficult to get off ! Silicone does not
>> give easily! Had to unsolder the socket from the board and carefully pry
>> and cut with a exacto. The area between the green drive pin and focus
>> pins show a fair amount of heat stress (clue?)
>>
>> Just wondering if others have experienced this sort of issue on this
>> model.
>>
>> =================================
>> Jeff Stielau
>> Shoreline Electronics Repair
>> 344 East Main Street
>> Clinton,CT 06413
>> (860)399-1861
>> (860)664-3535 FAX
>> jstielau@xxxxxxxx
>> =================================
>>
>>
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