[TechAssist] Re: GE TV 32GT740 CTC203CA9 does flyback need replacing?
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 May 2004 13:34:23 -0500
Replace Q14401 HOT, Q14101, Q14102 or 03 R14107 43 ohm at gate of Q14101 and
clean and resolder L14101 coil at base of HOT (this is reason for failure)
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 21, 2004 1:28 PM
Subject: [TechAssist] GE TV 32GT740 CTC203CA9 does flyback need replacing?
>
> This is only the 2nd CTC203 I've worked on.
>
> I have this GE TV model 32GT740 chassis CTC203CA9 with shorted HOT Q4401
> and reg. transistor Q4101 and open fuse. Haven't checked resistors yet
> but diodes all check ok. I have tested the flyback with my HR flyback
> tester and it shows a good collector waveform, 39kV output and no
> indication of problems.
>
> I have read tips that suggest the flyback is usually bad if the HOT is
> shorted. Is it a case where it shorts under full load? My HR tester
> hasn't been wrong yet so I'm wondering if it is a given that the flyback
> should be replaced regardless.
>
> What is the part number for this flyback?
>
> Thanks for any help.
> --
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
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