[TechAssist] Re: Sony KV32HSR10 ANU-1 chassis pincushion headache
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 3 May 2002 20:17:54 -0400
Larry,
Excellent post.
Why can't others be as informative?
From Tech Repair CD:
ON *A* BOARD L501* R571 OPENED & Q505 SHORTED D512 DAMPER
DIODE CONNECTION AT L509* C519* C516 AREN'T
PENETRATING THROUGH THE PRINTED CIRCUIT BOARD RESOLDER
THE CONNECTIONS
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
501 Luther Rd
Harrisburg PA 17111-2055
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----- Original Message -----
From: "Larry E." <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 03, 2002 1:40 PM
Subject: [TechAssist] Sony KV32HSR10 ANU-1 chassis pincushion headache
>
> Hi all, this sony has severe pincushion problem, R571, Q505, C535,
> C548, D508 have all been changed,
> Q504, D506, D507 check good as do all voltages on pincushion IC,531.
> Problem is R571 and Q505 are still
> running extremely hot, voltage on collector of Q505 reads -7.2v
> schematic calls for +14.3?? collector of Q504 reads positive 9v,
> schematic says -9v, I noticed that schematic says emitter of Q505 should
> be +16 and that has to be a mis
> print so I`m a little skeptical of this print, can`t run set more than a
> minute or two because of heat problem, any
> ideas?? TIA
> Larry E.
> American TV & Electronics
> Sunny Florida
>
>
>
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