[TechAssist] Re: GE 27GT615 CTC177BH2 in HV shutdown
- From: "jonas miglinas" <miglinasj@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 25 Nov 2004 20:32:09 -0600
Bridge another capacitor across C4402 (similiar in value) then see if she
shuts down. If she doesn't, go into service menu and you should be able to
set horizontal frequency to where she'll hold up. (usually parameters
12~17 ).
Jonas Miglinas
Miglinas TV
Chicago
----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 25, 2004 10:44 AM
Subject: [TechAssist] Re: GE 27GT615 CTC177BH2 in HV shutdown
> Always try another EPROM when you have unsolvable shutdown problems on the
> CTCxxx chassis. Install an 8-pin socket to save on trace damage. It may be
> that the horz freq. is simply too far off. This will cause the high
voltage
> to rise, and the set will shut down.
>
> HTH,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main " I forgot,..to remember,..
> Centerfield, UT 84622-0087 to forget "
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Peter oliver <oliver_peter1@xxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Wednesday, November 24, 2004 5:50 PM
> Subject: [TechAssist] GE 27GT615 CTC177BH2 in HV shutdown
>
>
> >GE
> >27GT615
> >CTC177BH2
> >
> >
> > Appears to be in an odd HV shutdown???---Push power clicks
a
> >high pitch momentary squeel then cycles. On my Sencore VA62 the flyback
> >gives 41-45 rings. B+ appears to be high at about 174v
> >Have checked a number of caps in the horz section and tested diodes also.
> >The set will run with a vertical line if the horizontal yoke plug is
pulled
> >(it rings 25x)
> >
> >
> >Peter Oliver
> >Tucson Radio TV
> >
> >
> >
>
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