Question about Hitachi FDX Series 43FDX10B 43" Rear Projection Television

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Hitachi 43FDX10B Power problem

When the power button is pushed, the red light in the front just blinks and it looks like there are 4 green LEDs in the back that should light up and 2 of them flashs to a clicking/chirping noise for about 5 seconds before shutting off, one stays on continuously, and one doesnt turn on at all. there is another red LED that stays on right near the outside of the backside throughout this process. Could anyone tell me what this problem is and if it is fixable? Thanks a ton.

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  • joachum Apr 06, 2008

    when turning on the unit by either remote or front switch, the red light comes on momentarily then shuts off, there is a clicking sound from the unit, when viewing from behind, through the panel, Hitachi recommended unplugging then plugging back in, a few green lights were visible then disappeared within seconds.



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Below is a few possible causes along with verified cures.

Intermittent shut off
Cause: Check auto link and 4 event timer. redress cabling from front control panel away from blue crt-yoke-hv lead


Symptom: shutdown
Cause: T701


Posted on Jan 23, 2008


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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
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Initializing the TV in many cases can remedy a problem.
In the 2006 product line Initialization is now a user function.
Pressing the front panel "INPUT' and "FORMAT"
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complete all user settings will have to be set again. The
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Note: Pressing INPUT and FORMAT is the same as
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Order Name Procedure Results Notes
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Hardware & TV operating
software reset.
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2 User Initialization
Press <INPUT> &
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Figure 4-3
Figure 4-4
LED Indications
The front panel LEDs, refer to Figure 4-4, also assist in
determining the cause of a symptom. Figure 4-5 illustrates
normal LED operation. Figure 4-6 shows the
LEDs response when a problem is detected and indicates
the possible cause.
Indicator Condition
Off Off Off Off (standby)
Blinking green
fast Off Off Initialization (10 - 65 seconds)
Off Off Blinking
green fast Lamp runs for 1 min after PTV off
Green Off Off Power On
Blinking green Off Off Power On Timer is set
Power LED Status LED Lamp LED Condition
High Temperature - check ventilation air flow.
(Temperature sensor is disconnected.)
Off Off Blinking yellow Lamp cover is open.
Lamp failure (Lamp fails to turn on)
Off Off Red (Lamp turns off after lighting)
Lamp is broken
Off Blinking Red Off Fan Stop
Off Red. Off Circuit failure. (Run Error Code Check)

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1 Answer

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I had that same problem intermittently for about six months. Now I have no picture, just three small vertical lines in the center of the screen. One red, one green and one blue. Can anyone help? I know its outdated but I'd hate to throw the set in the dumpster if it just needs a little mainentance.

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1 Answer

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Chirping noise and flashing front power light.

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