Question about Hitachi 60VX915 Rear Projection Television

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Tv powers off and on after operating for about 1 hour

When set is turned on after (say overnight rest) it operated just fine for about 1.0 hours...then it will turn itself off for about 1-2 min. then restart...it will then stay on for abouit 3-5 min. and then turn off again...t5his cycle3 will continue till i manually turn set off....after a period of rest, i can turn it back on and then the same scenario repeatss itself...the ligt flashes ''BLUE'' several times quickly then slows down after a few seconds and will then turn back on...there no ''RED'' power litghts litt up as when nor,al turning on..whaTS GOING ON? i REPLACED BULB ASSY. APROX. TWO MONTS AGO

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Same happened to me with my old panasonic set. It was a dry-joint. You can try re-soldering the circuit.

Good Luck.

P.S. - Check the Power Suply area closely.

Posted on Feb 20, 2009

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If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
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Aug 23, 2007 | Mitsubishi WD-52525 52" Rear Projection...

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Hi, i have here a mitsubishi WD-57733. once the unit is switch ON, green LED light and a few seconds the status LED light then shuts off. I think light engines good since i just replaced a new lamp.


hello i've just checked the manual for here is some information

None TV is powered off. Normal operation.

Green TV is powered on. Normal operation.

Green 1. TV just plugged into AC outlet.

Wait until blinking stops before turning on (approximately 1

minute). Normal operation.

2. AC just restored after power failure.

3. TV Rebooting after System Reset was

used.

4. TV Rebooting after power fluctuation

or receiving abnormal digital signals

from digital channel, or digital device.

5. You have begun the procedure to

update software from an authorized

flash memory device.

For detailed information, see the instructions that accompany

the authorized software update. IMPORTANT: Do not

use unauthorized software at any time.

Green TV just powered off and lamp is

cooling.

Starts to blink 30 seconds after turning off TV. TV can be turned

on before blinking starts or after blinking stops, but not while the
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Powers off intermitantly


Good Day;

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB. 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. OR your TV has "COOLANT" (ethylene glycol) on the circuit boards. This fluid comes from the CRT's (picture tube) this fluid is used to keep the CRT's cool, such the name. This fluid from the CRT's leak when TV is on for long periods of time, the chamber expands and the seals leak.

One can remove this fluid by using "acetone" & small brush. The fluid is hard to see, use bright light, they spots can be smaller then a DIME. Also, the fluid can corrode the parts and traces on the boards. To protect the TV in future place heavy plastic or thick cardboard over affective area, make sure TV has proper air flow around TV. Good Luck, big IRISH.

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To display the lamp time press [ 2 ] nine times.
to reset press [ 3, mute, enter.] Or with the set in standby press [ display, 5, vol up, power ]
then press [ jump 3.]
Hope this helps!
Bill

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1 Answer

Chirping noise


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