[TechAssist] Re: JVC - 35" TV HORIZ WIDTH, B+low
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 06 May 2005 10:30:50 -0230
Hi Fred chech this out.Also replace C926-1000x50 volts in the power
supply..Eric
jvc av35955 lightning--dead replace ic901, error
amp, and
opto, also check q943-944--nasty nasty--those 2 xistors will throw you
Eric
E M Electronics
Deer Lake Nfld
Canada
tvman@xxxxxxxxxxxxxxx
fremur01@xxxxxxxxx wrote:
> Hello,
>
> This set was orig. brought in as dead unit, replaced opto and got it
> to fire up. It now has pic, but horiz width is lacking. A fellow tech had
> a partial scan of the p/s circuit which I've reviewed for test points,
> I recall him saying it's a GV chassis.
>
> Measured B+ at 95vdc, should be 134vdc. I'm checking the smd's and caps
> closely.
> Does anyone have case history on this unit? Trying to determine whats
> pulling the B+ down. Feedback from ASC's would be appreciated
>
> JVC MDL: AV35955 HORIZ WIDTH
>
> Thanks,
>
> Fred
> MTS Electronics
> fremur01@xxxxxxxxx
>
>
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