[TechAssist] Re: TA Mitsubishi VS4543 jagged lines...was. Green focus
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 31 May 2004 22:53:01 -0400
Jeff I saw something like that on a zenith projo and it was the 120k
resisters on the crt boards. Shot in the dark.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Monday, May 31, 2004 10:15 PM
Subject: [TechAssist] Re: TA Mitsubishi VS4543 jagged lines...was. Green
focus
> Update on this one...I hope someone can help me finish this repair..
> I fixed the focus but rotating the lens on the green CRT.
> I applied HV putty to the cups of the rebuilt CRT's. Now, I can't hear the
hiss for the HV, but when
> displaying a cross hatch, the vertical lines are jagged looking(all three
CRT's), the horizontal lines are
> fine and steady..
> Could this still be a HV reg problem, or something else on the board.. A
small amount of fluid did leak
> on the board and it wasn't too hard to clean the little bit of fluid up...
> Perhaps this is a setting in the menu for H-freq...? I know how to get
into the service menu, but no print
> for this unit.
> Thank you.
> Jeff
> --
> Intrepid Video TV/VCR Repair
> 263 S Front St, Steelton PA 17113
> 717-939-7708; (F) 717-564-4952
> www.intrepid-video.com www.tech-repair.net
> ----- Original Message -----
> From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> To: "Techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, May 25, 2004 12:06 PM
> Subject: [TechAssist] TA Mitsubishi VS4543 Green focus
>
>
> Hello...
> I just replaced two CRT's on this unit from PatX. Now, I can't get the
green to focus and very so often, I
> hear a POP, CRT's go out and come back on a split second later.
> Could this be the result of a defective green CRT?
> Also, I think I will nee the manual for this. I went into the service menu
and it appears accidentally
> reset the EEPROM and I loss channel three reception(couldn't see my cross
hatch from the generator any
> more) and all convergence lines went bowed.
> I rarely see Mitsubishi's, so I'm not sure where to go from here...since
it's just me, I can not bring the
> set in.
> Any assistance appreciated..
> Thank you.
>
> Jeff
> --
>
>
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