Question about Hitachi 55FX48B 55" Rear Projection Television

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Hitachi 55FX48B no pic, no sound.

D964, D966, D922, and D947 all light up when power is applied, about 2 seconds D946 also lights up, and then they all turn off.

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  • phoenixtek Mar 01, 2008

    Same symptoms on my set, went out yesterday, but after green LED's go out, the red LED blinks steadily. Having Hitachi serviceman coming in a couple of days. Have not looked any farther than observing LED's so far. Seems a relatively common problem with Hitachi rear projection sets from what I have briefly scanned on this site. Does anyone have a service manual? If so, pls forward to phoenixtek03@hotmail.com. I will post repair details by service tech if I don't resolve prior but would still like to receive service manual.

  • Anonymous Mar 08, 2008

    Same problem happened last week with mine. No more power. I've disconnected 115v from the wall. When reconnected 115volts green LEDs came on for 2 sec. then another one lit for a second then all LEDs died.

    Someone got any clue ?

  • phoenixtek Mar 17, 2008

    Problem apparently repaired, at least its working now but not impressed with focus and alignment (gets better after TV has warmed). Anyway, parts replaced were 2 IC's (p/n 1201-001224), one D725 diode, one 2APROT and two 100 mf capacitors. They did not indicate the actual board component numbers in every case so it may not be completely useful to anyone. Nothing was obviously burned out by my visual inspection so I expect having a trained technician do the diagnostics would be best unless you are one yourself.

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Posted on Feb 19, 2008

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Hitachi 55FX48B 55 in. loss of power...


Try first unplugging power cord for ten minutes, it looks more like your power unit has gone.

Sep 02, 2008 | Hitachi 55FX48B 55" Rear Projection...

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my hitachi model number:55fx48b suddenly just stopped. I can unplug the tv, then turn it back on and red led light will come on for 2 seconds and shuts back off! Can you please help me

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HITACHI 60UX58B



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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Just had the exact same thing happen to me.

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1 Answer

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1 Answer

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Do you get Led light? Open back and see if you see Diodes light, which number lights tells what is wrong with set. Most of the time on this one either sound problems or Convergence amp problems.

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