[TechAssist] Re: Sanyo DS27630 shorting horz output
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 12 May 2002 19:07:04 -0400
Shaun,
I got mine repaired.
HOT was shorted(2SD1877) and R007 was open and C428 (1µ) was open.
I still had real bad horizontal freq and found C401(22µ/25v) was open.
Hope this helps.
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
501 Luther Rd
Harrisburg PA 17111-2055
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----- Original Message -----
From: "Shaun" <ssroark@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, May 11, 2002 11:32 AM
Subject: [TechAssist] Sanyo DS27630 shorting horz output
>
> This Sanyo DS27630 came in with a shorted horz. output and R608 and R610
> burned and open. When all parts replaced unit played for about 1 hour then
> shorted the horz. output again and blew the fuse this time. I replaced it
> again and checked again for and cold solder joints and measured the base of
> the horz. output (D1555) and it was (-0.03vdc) and after about 10
> minutes it was starting to get hot to the touch. I do not have a schematic
> so I am shooting in the dark. I also replaced the 1 uf 160 cap off of the
> horz. driver transformer. Any help would really br great.
>
> Shaun
> Advanced Electronics
> Fort Morgan, CO 80701
> (970)867-3124
> ssroark@xxxxxxxx
>
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