[TechAssist] Re: PTK169 no picture.
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 14 Nov 2002 06:26:04 -0500
Look for bad or broken connection on the vertical return loop. There is a
large capacitor there (I believe it is C4512 or C4521). I have seen this
many times with same symptoms as you describe. It is in blanking due to no
vertical return.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
----- Original Message -----
From: <Hermantvr@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, November 13, 2002 6:11 PM
Subject: [TechAssist] PTK169 no picture.
>
> Have a PTK 169 came in dead. Rebuilt the Power supply and replaced HV
Block.
> Al original parts and yes I have repaired many of these and know all the
> normal problems associated with the CTC169. I have HV and a slight
raster
> if I turn the screen controls all the way up. This unit does not have the
PIP
> nor the video module. Only a main board and of course the convergence. If
> anyone has any shortcuts on this one it would be very much appreciated,
other
> wise I will have to go back to the old Timmy method..."Troubleshooting".
>
> Tommy Herman
> Herman TV
> 250 School Ave SW
> Taylorsville N.C. 28681
> 828-632-5322 Voice
> 828-632-3880 Fax
> hermantvr@xxxxxxxxxxxxx
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