Question about Hitachi 60SBX78B 60" Rear Projection Television
The glass fuse on the board is still good. Tv was powered off and won't power back on. I work on some electronics, but not often in depth. Any assistance would be greatly appreciated. Matt (email@example.com)
If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address.
Here are the symptoms...
Primary Symptom: No Audio or Video. Power light will come on briefly then shut off.
Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.
Hope this helps,
Posted on Mar 15, 2009
Matt, Hitachi`s have a series of green LED`s and one red LED on the main board, un-plug the tv for 30 seconds and then with the back cover removed plug the set back in and watch the led`s while someone else turns on the set, usually the led`s will temporarily light then one or more will immediately go out and then the rest will slowly go out and the red one will then start blinking, each led is a power supply indicator, 130 volt, 12 volt, 5 volt etcetera, find out which one(s) going out first and get back to me, BMW Rider
Posted on Jan 04, 2008
I saw your post and need some assistance with 60SBX78B no Picture or sound I have opened the back and looked at the LED's here is what I found: Red D912 Always On, D940 Always off, When I have some one push the Power D946 & D939 turn on all other green LED's are always on. Any Ideas, I really appreciate it.
Posted on Jan 29, 2008
Thank you all for trying to help! I downloaded a factory service manual and traced down a protector fusible resistor #E991 (yellow w/red stripe on one end) near 120vac input on the board. When tested it showed open, I replaced it with a new one part#AZ00109M(protectorCRXT) from sears for $2.16. The picture couldn't be any more perfect short of HDTV. When I initially plugged it in, the power button nor the remote made any LED's light on the board(completely dead by sight & sound. I hope this helps someon with the same problem, and again thanks for all your replies!!!
Posted on Jan 15, 2008
Solicito ayuda para la reparacion de mi televisor hitachi mod 60sbx78b. el cual se daño por un sobre voltaje en la liea AC
el TV actual mente uno lo conecta y los led de la tarjeta prenden e intenta prender pero parese quese fuera a proteccion e inmediatamente se apagan.
e revisado la fuente y la salida horizontal junto con todos los reguladores y aparente mente todos los elementos estan bien. me gustaria que me sujirieran por donde revisar tambien me gustaria que me eviaran el manual de servicio para una mejor revicion Gracias
Posted on Jan 14, 2008
When i power on my TV, it tries to start normally, but when it happends it goes to protection state, i ve been checking the source and the other devices and it seems to be working ok, so i would like you to sggest to me a solution why does it go to protection state... Well this TV had a big voltage pick, cos of a lack of electricity... so what should i do? im going to be careful of your soon answer..
Posted on Jan 14, 2008
I am taking it for granted that you have tried both remote and button on the set to power it up. I would tend to check out the regulators and Horizontal out put first, Then capacitors in the power supply.
Posted on Jan 04, 2008
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Posted on Jan 02, 2017
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