[TechAssist] Re: GE TV 27GT613-CTC177BH2 No vertical hold
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 07 Jun 2005 16:14:46 -0700
This may not be your problem but you may want to look into it.I had one 2 weeks
ago that had a bad vertical roll and also the osd was black.I changed the T-chip
U1001 and it took care of the problem.
Mando
Birdie's Tv & Electronics
Casa Grande, AZ
John H Smit wrote:
> Hello to all.
> This GE TV 27GT613-CTC177 BH2 has a fast vertical roll.
> I thought this to be a piece of cake,but by now it gives me a hard time
>
> I have checked the voltages on the vert IC U4501 and they are all within
> specs.
> Only the frequencies are 45 hz on pin one and pin 3 instead of 59 hz.
> And on pin 5 the vert out I get a horizontal frequency of 15734 Hz
>
> I have checked C4505-C4506 they are OK
> I am running out of idea's and am wondering if someone has a clue to this
> problem.
> thank you in advance
> John H Smit
> Smit's TV Service
> Box10
> Gunnison Utah 84634
> 800-355-4948 Phone&Fax
> 435-528-7955 Phone&Fax
> jsm@xxxxxxxxxx
>
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