Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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Rear Projection Blinking

My tv appears to be blinking about every 3 seconds. What does this mean?

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Re: Rear Projection Blinking

Very common problem with this TV set. One of two probles. First could be that one or more of the picture tubes could have leaked the fluid onto the main board. if the board is not corrodied, it can be cleaned and the picture tubes will need to be resealed with new "o" rings and new fluid. Next, It is a defective DM module inside this TV. You can take off the cover and look for four capacitors that will be together. You will see the tops are swelling. Change these capacitors and you should be set. If this does not correct the problem, the dM module will have to be replaced or rebuilt.

Posted on Mar 23, 2007

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TV turns red,shuts off, stand-by light blinking 8Times

Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

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<img src="mas_baz.jpg" /><br />There are three LED indicators. LAMP, TIMER, STANDBY/TEMP. Each Led or combination leds indicated problem.<br /> <ul> <li>LAMP blinking : The picture will automatically appear in about 15 seconds.</li> <li>TIMER and STANDBY/TEMP blinking : A cooling fan inside the set is not operating normally.</li> <li>LAMP and STANDBY/TEMP blinking : Lamp cover on the rear of the set is not properly shut.</li> <li>STANDBY/TEMP blinking : Check if the ventilation hole on the rear of the set is blocked, because if the inner temperature is too high, the power will shut off.</li> <li>All LED blinking : Lamp may be defective.<br /></li></ul>It takes about 30 seconds for the TV to warm up, so normal brightness may not appear immediately. The TV has a fan to keep the inside lamp from overheating. You'll occasionally hear it working.<br /><br /><br />

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On my Sony Rear projection LCD TV, the picture just faded and disappeared. BUt the sound is still on. Does this mean that the bulb needs replacement?

Check how many times the lamp light is blinking, if it is blinking 3 times, it is time to replace the light bulb. If the stand by light is blinking 6 times its is the thermal fuse

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Tv light standby red just keeps blinking after replacing bulb

If red light was not blinking before lamp replacement and after that it start blinking 3 times then pause for three seconds and again blink, check lamp cover that has not been fixed on tv or it is not fixed/ seated correctly there.
Lamp cover is first thing that you removed from tv to replace lamp.
Hope these info will help. If red light is blinking other than 3 times, let me know how many times it is blinking along with tv model number written at rear to provide you helpful info.

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2 Answers

My Sony KP-46WT500 screen shows the tv image in blue only for a few seconds, then it goes completely blank (as if it were off). Do I need to replace the bulbs?

It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen.
Do you see standby red light blinking when TV shuts off after showing blue image for a while?
If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution.

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Sony wega kp51 turns on for 3 secs than off w/ blinking red light

The flashes are fault codes. It means your system is faulty. If it is intermittent then it is more than likely a dust issue. Buy an air duster, spray out the back and restart. Should be fine

If it continues to play up then it will be a repair job

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1 Answer

Sony blinking standby light

That means current overload transistor Q5001 or Q5201 is shorted on the D board and must be changed

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The constant blinking green light means that the TV is not booting up. This is a common problem on this set.You need to remove the shield from the DM board (standing upright on the left where the DTV RF connector is)and inside you will see the four leaky capacitors (1000 MFD 16 VOLT)replace them,plug the TV in and wait 70 seconds for the blinking light to stop,then turn on the TV.The hard part will be removing the board from the TV(lots of screws and connectors,takes time)

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