[TechAssist] Re: Philips 25"ctv Model TS2574/ 25B800 chasis/No vertical
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 12 Mar 2004 10:02:47 -0700
Thats the first thing that I thought of since I've had that happen to me
before.However,I did check for continuity with my meter to all traces of the IC
and D409.
Thanks.
Mando
Birdie's TV & Electronics
Casa GRande, AZ
Intrepid Video Support wrote:
> Mando,
> If you had your iron too hot, these traces very easily lift..at the pads, yet.
> Ohn out the pads and look very closely for lifted pads.
>
> Jeff Dougherty
> Intrepid Video TV/VCR
> 263 S Front St
> Steelton PA 17113
> fax...717-564-4952
> www.intrepid-video.com www.tech-repair.net
>
> ----- Original Message -----
> From: "armando guerra" <birdie@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, March 11, 2004 3:55 PM
> Subject: [TechAssist] Philips 25"ctv Model TS2574/ 25B800 chasis/No vertical
>
> This set when powered on,would try to start but go into shutdn.I
> replaced the vertical ic TDA-9302h,D 409 (used nte 580) R420=1 ohm,and
> C557 =100\50v lytic.Now when I power the tv on,tv comes on but has just
> a line across screen (no vertical defflection).I have the manual for the
> F8 chasis but not for this B8.They are different.The +13v and the -13V
> at the ic are there.I had a known good used yoke,subbed it and made no
> difference. Can someone with the B8 chasis manual send me a print of
> the vertical ckt so that I troubleshoot this problem .Any tips ir idea's
> would also be apreciated. Thanks.
> Mando
> Birdie's TV & Electronics
> Casa GRande, AZ
> PS I made sure that the traces to the ic are ok.I have seen some come
> apart when unsoldering the ic.Also the traces to D409.
>
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