[TechAssist] Re: Panasonic CT27G12V with 3" vertical deflection
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 5 Mar 2004 18:51:58 -0500
Did you check pin 1 for 10-12 volts ??? This voltage must be present on that
IC for vert deflection as much as the 27.8 volts.
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 05, 2004 8:37 AM
Subject: [TechAssist] Panasonic CT27G12V with 3" vertical deflection
> I have a Panasonic CT27G12V that belongs to my office manager's ex-husband
> that currently only has about 3" of vertical deflection. He used to be a
TV
> tech years ago and originally had intermittent vertical deflection so he
> resoldered the vertical IC which cured it. Now he brought it in with this
> problem. I am not an ASC for Panasonic so I have no service literature for
> it. I have replaced IC451 with an OEM LA7838 and capacitors C451, C452,
> C453, C454, C455, C459, and C551. VCC is at 27.8 volts to the IC. After
> replacing these parts, I still have the same symptom so I am asking you
> Panasonic experts for some advice here. I realize the yoke is a
possibility
> but I thought I would ask here first.
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxxxxxxx
> geminitv@xxxxxxx
> www.geminicomputertvsecurityalarms.com
>
>
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