Question about Zenith Televison & Video

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My Zenith TV model z37lc6d . when I turn it on I get vertical lines in a row 5. the television will not show a picture.

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  • Zenith Master
  • 73,647 Answers

Video processor section circuit fault. Contact any service technician. This is not a user repairable fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Apr 25, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Audiovox AVT 1598

The vertical output IC or the vertical circuit is whats at fault. its all solid state and im sorry to tell ya that its not a user replaceable part. This set is probably not worth the repair it would take to get this set working again but please if you like ask a ;ocal repair shop what they thought about this problem.. Good Luck and please dont forget to rate this thread

Posted on Nov 11, 2006

jerryg50
  • 1667 Answers

SOURCE: 46" Samsung DLP Lines & Freeze up

This is a possible fault in the power supply, and can be a problem with some decoupler caps on some of the boards. The vertical bars and unstability are usually attributed to having high frequency noise and or clocking pulses crosstalking on to the power distribution lines that run through the boards. This can be switching power supply noise, or cross-talk from clocking pulses.

Another thing that can cause your described fault is unstable clocking between the devices that are reading and writing to the data busses. There are a number of data busses running through the set for the boards to be able to communicate with each other.

The tech will use the process of board swapping to service the set, and then do the adjustments as necessary to make sure the new boards match up.

Yes... DLP sets are fairly expensive to service!

This is my personal opinion. If the set is out of warranty, I would change for a Plasma or LCD set. If you compare the performance of these to ther DLP, the difference is very big. From what I am seeing from a service point of view, the DLP's are lower in reliability.

Jerry G.


Posted on May 06, 2008

daniel719
  • 240 Answers

SOURCE: half screen showing

ok
keep tv off.
it will only get wors
if sumon dosent work on it soon
the problem you are having in the vertical section of the tv
hav a repairman resolider all conection on the vertical IC and check the serounding componets for falts.

regards daniel.
PS the repair takes me about 15 min.

Posted on Jan 13, 2009

  • 700 Answers

SOURCE: Picture is squeezed down to middle with a bright green horizontal

If you can do it, then just reheat or resolder the vertical ic pin for first step. If this work then no need to change the IC. Good soldering technique is needed. Do this when unit is no power and unplugged from wall socket.

Remember nasty voltages inside, it might caught you.

Posted on May 25, 2009

  • 290 Answers

SOURCE: 27 inch Zenith TV Vertical too big

If you are using a DTV coverter box, you may have changed the aspect ratio with your remote control. look for a button marked "aspect" or "picture size" use that to change size.
If you have a cable box, you may have a similar button.
Or you may find a picture size adjustment on your TV remote.
If you do not have "aspect" button on your remote try going to set up menu and look for picture size.
Older TVs used to have a vertical size adjustment at the back. look in the manual.
If none of the above, you have a biiger problem with the TV internal parts needing attention

Posted on Mar 03, 2010

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Zenith2.gif "Presentation" is just the name of the general model.

Is it a Z37LC6D LCD TV?

Please reply with the model number and the MFG DATE so I can assist you better.

===

Check the rear for the exact model and the MFG DATE on the FCC label.

Check for loose power cable to the TV.

Make sure the socket the TV plug into is not overloaded.

An overload is dangerous and the voltage drop will cause the TV power supply from turning on.

If possible plug the TV into a different //// empty outlet.

A clicking sound is a signal of a failing power supply or low line voltage from the wall socket.

Please update you post on the reply window.

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