[TechAssist] Re: Zenith Z52Z95D 9-1674 no video, red crt blurry/smeared convergence issues
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 23 Jun 2005 13:01:51 -0400
May be this will help, maybe you already tried this but,The smearing picture
is probably the resistors on the crt boards. Check the solder on the
daughter board for cracks for the no video problem.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Larry E" <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, June 23, 2005 12:50 PM
Subject: [TechAssist] Zenith Z52Z95D 9-1674 no video, red crt blurry/smeared
convergence issues
> Hi Guys, This Z52Z95D has the 9-1674 sweep and 9-1690 converg boards,
> complaint was no video has sound,
> replaced the 9-1674 module, set came up fine, but video was not good, when
> the weather channel, CNN, etc.
> puts up letters there is a green haze around the letters, put up the
> customers cross hatch and the red & blue
> horizontal is missing (from top of screen to bottom) the green is there,
> all 3 colors are there vertically(left to right)
> pulled R3243 behind the horiz. heatsink the 110K and R3244 the 82K as this
> is a known failure for the horiz.
> convergence bars missing, they are both good out of circuit, looked into
> the lenses and the red video is smeared/
> washed out looking, this does not show up on the screen?? sprayed R5102
> with freeze mist and red crt went blank,
> sprayed same resistor on green crt board and green blanked out, I did not
> have 110K 1/2 watts with me so couldn`t
> change them, before I could go out there today and replace them the
> customer called and said the set has
> again failed with same problem, no video has sound, he shuts off set for
> 1/2 hour and set runs normally for 45 minutes
> then loses video again. This is the third time in 1 month that I have had
> similiar symptoms with the 1674/1690
> combination of boards, convergence goes out, replace the 1690, set runs 24
> hours and convergence fails again,
> or no video/dead set, replace 1674 set runs for 1-2 days and repeats the
> failure, if I replace both boards at the
> same time I`m not getting the re-call, this is killing my bottom line with
> all these freebie return calls, is anyone else
> running into this scenario?? Ed at Tri-State Module says Sears will now
> only change them as a pair, too many
> recalls, any ideas? Sorry for the long post, I have 2 customers waiting on
> me to "fix their set" Larry E
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
> -----------------------------------------------------------------------------
> This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
> Set Vacation
> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
> Lost Password: http://www.tech-assist.org and select "Login Problems?".
> Email Archives: //www.freelists.org/archives/techassist/
>
>
-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
