Question about Hitachi 60SBX78B 60" Rear Projection Television

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Hatachi 60sbx78b powers up then shuts off

My hatachi 60sbx78b powers up only momentrarily when plugged in, all the green leds turn on except for one, this one then powers up and then shuts downs followed by the other all fading off at the same time. If I unplug it wait 10 seconds then plug it in I get the same failure mode all over agaun. I am trying to determine which component is defective? Is it E991?

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I think it might be E994 and C707

Posted on Aug 16, 2009

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My Hitachi 60sbx78b popped and then shut off. It will not power back on, I plug it up and it sounds like it is getting power, the green led lights come on for a few seconds and then they go off and the...


On this model there is a common failure with some capacitors and fuses. Its a simple fix if you know which parts to use/avoid and how to do the repair. You can get complete instrucitons and parts for your model from www.TvRepairKits.com . Their kits include step by step color instruction guide as well as the correct parts to fix this issue.

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Aug 09, 2009 | Hitachi 60SBX78B 60" Rear Projection...

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replace pico fuse E994 and capacitor C707. You have to disconect alot of wires and remove the screws holding the boards. you DON'T have to remove the large high voltage wires. You have to stand the board on it"s edge to unsolder the components from the back side of board. Good luck it worked fine for me. fcs0998@aol.com gene

Apr 27, 2009 | Hitachi 60SBX78B 60" Rear Projection...

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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,

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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,


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You can get the parts from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix the following models (50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B). The kit includes the E994 pico fuse and the C707 capacitor.

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If cap value is 1000 pf ( 102k ) 2KV, beef it up ! I use Sony part # 1-161-754-00 ....102k 3KV.......Note: sometimes shorted cap
is hiding under dried gob of placement glue............
Make sure pico fuse is correct amperage.......T.

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The green led or lights on the board indicate some of the power supplies are working. The key is do you see any come on and then go out. this would indicate which part of the power supply is failing. also there are fuses in the set that do not look like your standard glass fuse. WARNING television generate lethal voltages that will hurt you. extreme care should be used.

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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

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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,

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