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Long delay in lcd tv turning on

Turn tv on the power button blinks than gets bright then shuts off this goes on for four or five times than it turns on

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That is either a fault in the power unit or a fault on the lcd controller board.

The power board must be tested and eventually replaced, if the power board is fine , then test and replace digital control board.

You can buy replacement parts here.

Posted on Feb 17, 2009

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TV won't turn on. flashes a series of 5 red lights instead of turning green


Usually Sony and LG Blinking Codes are the same. Here is what I have.
  • Unit is dead, No blinks - Problem in the standby power section. Might check fuse,
  • Continuous blink once a second, no pausing - No reply from the jungle IC301 (data bus is busy, shorted to ground, or held high), IK video path is defective.
  • One blink - not used for the self-diagnosis
  • Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits.
  • Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit,
  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted.
  • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. In addition, unit could be in IK blanking, try turning up screen slightly.
  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately.
  • Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.
  • Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code.
  • Nine blinks - Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing Make sure the regulator is -12 or -13 (negitive).
  • Ten blinks - Check Q8014 and Q8013 for shorts, leakage, or bad solder connections on the " D" board. If the transistors are bad, check R8051 and IC8005, also on the "D" board.

Nov 26, 2011 | LG 42LC2D 42 in. LCD HDTV

1 Answer

My Mitsubishi Medallion tv stays on for about 10 minutes and then shuts down and won't turn back on until a period of time has passed. It is a rear projection tv about 9 years old. Can anyone help ex


When it shuts off and the green power light goes off, press both the menu and input buttons on the front of the set (not the remote) and hold both for about five seconds and release.

Power light will blink a two digit error code like 2 blinks and then 3 blinks and repeat it several times.

What is the error code?

Nov 14, 2011 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

Hello, I have a 42"


Sounds like a backlight is out. If its still under warranty, exchange it. First try unplugging it for two minutes to reset the t.v.

May 15, 2011 | LG 42LG30 42 in. LCD HDTV

1 Answer

MY TV WONT STAY ON. WE TURN IT ON IT TURNS OFF. WE DID THE RESET SYSTEM BUTTON.


when it shuts off and power light goes off do the self check this model has.

When green light (power) goes out, on front of set press and hold both the menu and Input buttons for at least 5 seconds and release both.

WATCH THE POWER LIGHT closely, the light should blink a two digit error code.

for example, 2 blinks, 2 blinks and a pause, it should repeat the code at least five times.

Let me know what code you detect and I will tell you what it means.

SD TECH

Feb 12, 2011 | Mitsubishi WS-55511 55" Rear Projection...

2 Answers

Power will not come on even after system reset. Pushed reset and LED flashes then after it stops flashing TV will still not turn on.


do self check: when it shuts off and power light goes off:

On front of set press and hold both menu and input (device) buttons for at least five seconds and release both buttons.

Power light will blink a two digit error code, like 2 blinks, 2 blinks, a pause and repeat it several times.

Let me know what error code and I will assist you


SD TECH

Sep 24, 2010 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

When you turn it on the tv stays on for 5 or 6 seconds then goes off


When it shuts off and the power light goes out do the self check this model has:

On the front of the set press and hold both the menu and input buttons for at least five seconds and then release both.

Power light should blink a two digit error code at least five times.

Most common are 2 blink, a pause and 2 blinks or 1 blink and then one blink.

Let me know what you find and I will assist you.

SD TECH

May 17, 2010 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Tv will not turn on. I hear it click and the light goes on for about 3 seconds then shuts off. I've tried this about 20 times


Please listen and try this:

When the power light comes on and goes off, on the front of the set press BOTH the Menu and Input (Device) buttons at the SAME time and HOLD them both for at least five seconds and then release both.

The power light will blink a two digit error code and will repeat it about 5 times. To get it to repeat you would have to unplug the set and turn it one again etc.

The most common error is 2 blinks, pause, 2 blinks.

Let me know what error code you find and I will direct you as to what it means and what may have to be done.


SD TECH

May 13, 2010 | Mitsubishi WS-65819 TV

2 Answers

My model is a WS-55511. I turn on the TV, the


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UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

PRESS AND HOLD “device” and “menu” buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

Aug 08, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Magnavox lcd tv not turning on


Also changed swollen C2074 and C2081 and it now works perfectly! a bit daunting for a novice like myself but with a steady hand and decent 'put it back the way you took it apart' skills, all went well!

Mar 22, 2009 | Toymax Magnavox 37MF231D 37 in. LCD TV

1 Answer

Sony wega trinitron won't turn on


  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505
  • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.
  • and some times the eprom ic is fulty ...
  • try to unplug your tv from the main power for 5 hours then press the power button and keep pressing for 7 seconds then release ,if this do not work ,you should take your tv to a qualified person
  • i hope this helps ..
  • Jan 01, 2009 | Sony FD Trinitron WEGA KV-36HS500 36" TV

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