[TechAssist] Re: Hitachi TV chassis NP83LX, jail bars across screen
- From: tonystv@xxxxxxxx (Tony Howlin)
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 11 Mar 2002 11:46:37 -0800
Hi Gary,
Have a look at the old transformer and you will see only one lead coming to
the CRT board, the new one has two and that will cause your problem. Put a
.1mfd 1000v from screen to ground and the best place is on the CRT board.
Hope this helps.
All the best
Tony
----- Original Message -----
From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, March 11, 2002 9:04 AM
Subject: [TechAssist] Hitachi TV chassis NP83LX, jail bars across screen
>
> This is a 27" Hitachi , model TE-4440X, chassis NP83LX.
>
> I replaced the flyback with an Asti Magnetics replacement, # 2433843.
> Now set works fine other than there are jail bars across the screen. The
> bars are not solid black, but rather a dull kind of shadow, and gradully
> fade out toward the right side of the screen. The bars are about 3/4
> inch wide and 2 inch between them.
>
> I have changed caps around the flyback: C707, C717, C720, and C724. Also
> changed a few caps in the SMPS which were high ESR. Problem still
> exists. Is it possible this generic flyback is causing the symptoms?
>
> Thanks for any help.
> --
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63@xxxxxxxxxxxxx
> ------------------------------------------
> Make your TechAssist database better!
> Submit Repair Tips here: http://www.tech-assist.org/secure/tip/
> ------------------------------------------
> To UNSUBSCRIBE your email address, click here:
> mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe
> Or send a BLANK email with unsubscribe in the
> SUBJECT field to the address above.
>
>
------------------------------------------
Make your TechAssist database better!
Submit Repair Tips here: http://www.tech-assist.org/secure/tip/
------------------------------------------
To UNSUBSCRIBE your email address, click here:
mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe
Or send a BLANK email with unsubscribe in the
SUBJECT field to the address above.
Other related posts:
