Hitachi Televison & Video - Recent Questions, Troubleshooting & Support


hook up to antenna then go to tv air set up then channel search

Hitachi... | Answered on Dec 10, 2019


Simple answer to volume problem i have found there is a demo button on the tv which automatically turns everything down.

Hitachi... | Answered on Dec 02, 2019


Can you please reword your question, and provide detail of the problem and what you are trying to do

Hitachi... | Answered on Nov 05, 2019


Hello,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board.

I do not think it needs replacement, rather some defective capacitors are causing this issue.
Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors).
After replacing these capacitor(capacitors) most likely the normal operation will be restored.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

Good luck.

Hitachi... | Answered on Nov 03, 2019


Open internal fuse or power supply failure

Hitachi... | Answered on Oct 05, 2019


You should only ever take the back of any electrical device if you know what you are doing. A lot of people have been electrocuted whilst working on electrical devices or they have cause damage leaving the TV useless. If you know someone that has has experience of disassembling electrical devices or repairing them, ask them to do the cleaning.

Hitachi... | Answered on Sep 27, 2019


Use code search on your URC to find something that works. If a search through all codes stored in the URC fails, try a different one.

Hitachi... | Answered on Sep 27, 2019


The panel control board on the tv is faulty. Try disconnect the panel connection form the main board and the check.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Hitachi... | Answered on Sep 21, 2019


To do a factory reset (System reset); you have to enter its service mode option. Like older model TVs, there is no switch marked "Reset"; to latest model sets.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Hitachi... | Answered on Sep 08, 2019


Replace the main board. Parts on eBay or internet.

Hitachi... | Answered on Sep 02, 2019


Check if there is a reset button on the back or located by the power button on your tv

hope this helps

Hitachi... | Answered on Aug 23, 2019


in the menu , the display or video settings should have different video display settings such as 16:9 , 1:1 , 14:9 ect... these will change the video display to different sizes

Hitachi 50UX57B... | Answered on Aug 23, 2019

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