Question about Hitachi 32UDX10S 32" TV

2 Answers

Black screen with sound only no picture.

Hello, I have a problem with my tv witch only produces sound but no picture,,, It sometimes comes on displaying only one white horizontal line right in the middle and nothing else. Does anybody have any ideas or is this unit done. Thanks much.

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  • 149 Answers

Horizontal line displaying means that fly-back transformer is working, only the picture collapsed. Check high tension voltages around 20-25kv (be careful of the high voltages, don't test with the ordinary AVO meter/tester, high voltage meter could be used for the high voltage measurements). Check dry joints around the horizontal section which can cause the picture collapse. Re-solder the dry joints, it will fix the problem.

Posted on May 22, 2017

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I have same problem,it appears to be the flyback
xfr.

Posted on Nov 28, 2009

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Hi.. Mine is a sansui tv and I bought it 3 years back. Now it is showing a horizontal line on the screen. Sound is fine but I can't see the picture, I just see one white horizontal line on tv...


The problem is vertical failure. Vertical output section to your TV ahs the fault. You ahve to check the vertcial output circuit for any component failure or loose solderings.

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White horizontal dashed lines appear and at top of tv screen


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

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Tv beginning to flash green with horizontal white lines


From your description it sounds like a bad picture tube. The lines are called retrace lines. There is a small chance that a component on the small board that connects to the neck of the tube may be bad. Without model number information it is very difficult so say further. Some picture tubes can be re-jeuvenated with the appropriate machine ( at a TV repar shop)
If you feel adventurous and are careful you might try GENTLY tapping the neck of the tube and see if picture improves/goes out. If the tapping does change the picture it is definitely the tube

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My Siny Trinitron G21M1 is producing horizontal lines across the screen


Hi,
I hope your TV model is Sony KV-G21M1 and you see color bars as horizontal lines across the screen.
Let me now are you tech guy or know how to repair TV to guide you further.

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1 Answer

WHITE horizontal lines across screen


Hi,
You need to adjust Screen voltage (decease a bit) to disappear white lines on TV. If you want to do it yourself, let me know to help you further.
Regards,

Aug 13, 2008 | Sony FD Trinitron WEGA KV-27FS120 27" TV

1 Answer

Black display with a horizontal white line in the middle.


Middle going across the screen from left to right??
This unit is plagued with bad solder connections in the comb filter board and flatpack underneath the comb filter board. These connections can cause any odd number of problems in video display. If it is that it's not expensive - virtually no parts. If it's a single line across the screen could also be the vertical circuit involved.
My suggestion is to have it estimated at a reputable shop and take it to them rather than the more expensive pu/del charges.
If you would like go to http://www.nesda.com/locator/state_search.php and locate a servicer from there. Kinda like going to the AMA to find a doctor...
Hope this helps!
Bill

Apr 18, 2008 | Hitachi 32UDX10S 32" TV

2 Answers

Picture/image problem


Bad solder connection in the horizontal pincussion circuit.have someone resolder.God luck.4tune

Jan 09, 2008 | Televison & Video

1 Answer

Poor picture quality


You need to consider the following tips herein as follow:

1) Field collapse (horizontal white line on screen)
R710 dry joints. Same as C2146TN & C2546TN problem solved with thanks to Mike G & Barty. Power off/unplug. Get to circuit board underside with aerial socket up-R710 is near top and right of centre-cluster of 4 joints best resoldered
2) Picture is horizontally narrowed and deformed
Capacitor C2913 (390nF, 250V) on the deflector PCB had lost capacity

Please let me know any update

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1 Answer

Thin horizontal line across picture


I really dont understand the problem Could we see a picture of this please?

Jun 14, 2006 | Toshiba 35A44 35" TV

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