[TechAssist] Re: Crosley (Philips) CP4690 PTV420 Convergence Problem
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 17 May 2003 06:07:53 -0500
If this is the convergence board with the metal posts stuck thru both sides
of the board, solder them all, both sides. It can cause the red/blue to
misalign and also cause the fuse to blow.
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Corey Brazell" <cohbraz@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 16, 2003 1:49 PM
Subject: [TechAssist] Crosley (Philips) CP4690 PTV420 Convergence Problem
>
> I am working on this Philips made Crosley PTV, model CP4690, chassis
PTV420.
> They blue and red convergence was wrong, and would not adjust through the
> customer menu. The picture was also wider than it should be. I pulled the
> convergence board and brought it to the shop. Inspecting the convergence
> board, number A10435-D004, I found fuse F3 open. None of the output
> transistors are leaky or shorted. I don't have a schematic for this unit,
> and have never worked on one of these conv boards. Does anyone know if
there
> is anything else I can look for that would cause this fuse to open, or
what
> circuit(s) this fuse protects?
> Thanks in advance,
> Corey Brazell
> Audio Video Electronics
> 12169 SC Hwy 121
> Newberry SC 29108
> (803) 276-9966
>
>
>
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