[TechAssist] Re: Toshiba Model:UPDATE TP55G60, Chassis TAC9753, Looks like horizontal sync problem.
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 24 Jun 2005 16:02:43 -0400
Only entries from the techrepairCD:
Toshiba~TP55G60~Unstable picture*bending*weaving and pincushion
distortion~~~~Initialize memory data~With set on press MUTE once (on
remote)*Press and hold MUTE again then press MENU on TV~An *S* will
appear on screen. Press MENU on TV to enter adjustment menu.~To
initialize*While in adjustment menu press and hold RECALL button(on
remote) then press CHANNEL button on TV.~Press POWER button to exit~~
Toshiba~TP55G60~The picture would roll vertically~~~~Q501~Replace Q501~~~~~
HTH
Phil
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
GERALD GANN wrote:
> He doesn’t have the right schematic just one close. He said the signal
> goes through IC Q764 (TC74HC4050AP) so he changed it still the same. Any one
> have the schematic they could upload to members site or tech tips? Thanks
>
>Jerry
>
>
>GERALD GANN <alpha21century1234@xxxxxxxxxxxxx> wrote:
> Toshiba Model: TP55G60, Chassis TAC9753, Looks like horizontal sync problem.
>
>Doing this for another shop and a friend of mine. He has helped me in the past.
>
>Found one tip in T/A
>Problem: Fish-Eye Picture,
>Cure: Vertical IC 301, LA7833S
>
>I have never looked though a fishs eye so not sure what that means.
>Changed LA7833S No help. I have seen the picture. It dose also look like a
>convergence problem to me but.
>
> He has changed convergence IC they have + & - 18v but looks like the
> convergence circuit is not working. Convergence IC’s is not warm at all to
> the touch.
>
> He changed Switching IC. Also change the DCU module no help. You can
>
> remove the DCU and picture still looks the same. This is the info he gave me.
> Can
>
>some one help on this one. Thanks
>
>Jerry
>
>Alpha 21 Electronics
>
>Granite City, IL 62040
>
>618-452-8620
>
>alpha21century1234@xxxxxxxxxxxxx
>
>
>
>
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