Question about Sony KP-57HW40 57" Rear Projection Television

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Red light on front blinks 4 times

Red light blinks 4 times, stops, then continues this cycle. If you turn the set on, it clicks then shuts back off. no picture. When it failed the TV was on, then just turned off and started the blinking cycle. I live in an area where they want me to bring in the set for repairs (no home repairs). I have an electrical background from the navy and can do general troubleshooting if i can find a manual . HELP

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  • justinmayo Dec 11, 2007

    when i turn the tv on works for 2 or3 min and then shuts down red light blinks four times

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A four blink code indicate loss of the vertical deflection pulse. In layman's terms the vertical Ic or something like a cap or diode in that circuit have failed or is failing causing a loss of the pulse signal and the shutdown circuit is keeping the set from causing any severe damage... The self diagnostic is a great tool for these minor problem and saves the customer hundreds from overdriving the problem and making it worse.
The set needs to be taken to a reputable shop and repaired. Not something you can just do yourself short of having a scope and knowing hwat to do with it, the vertical circuit will have to be trace and signal tested to isolate the exact failure.
Bill

Posted on Dec 11, 2007

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2 Answers

When you turn on power you hear a click and the green light turns on. Three seconds later you hear another click and the green light turns off.


MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:

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

PRESS AND HOLD "device"(input) and"menu" buttons on front of tv for at least 5 seconds and then release bothtogether.


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 protectthe Convergence IC or IC's is blown---set will detect no voltage to convergenceIC and shut down.


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


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

let me know what you find--hope that you find 2 blinks, a pause and twoblinks--this is the most common and easiest to fix.

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

SD TECH

Aug 31, 2011 | Mitsubishi WS-55807 TV

1 Answer

I have a philips remote control and I need the code to control a pioneer DVD player


Though all remotes are differnet just try this it can be kind of standard. But not all remotes are always compatible

1. On the remote control, press DVD once and Turn DVD player off
2. Press and hold SET until the red light blinks twice, then release SET.
3. Aim the remote control at the TV and press SCAN. The red light will blink twice.
4. Continue aiming the remote control and click on and off at the DVD Player (which may take up to 5 minutes) until it turns off. Immediately press any key except VOL-, SCAN, or SET. If SCAN is pressed again after any key stops Auto Scan, the remote will continue Auto Scan of the next ID from where it stopped. If you have passed by the code that turns off the TV, press VOL- one or more times until the TV turns on again.
5. To lock in the code and exit Auto Scan, press and release SET the red light will blink twice.


1. Or if you have a code. Press Set
2. Wait for blinks
3. Put in code.
4. Test it and if it works click set if not try next one.

Jul 17, 2011 | Philips Televison & Video

1 Answer

Sony 3 lcd rear projection tv hd w/ wega gate. kdf-e42a10. tv will atempt to turn, shuts down, greem power light blinks 12 times on average. red standby light blinks 4 times. i replaced lamp [ xl 2400...


Hi,

The Standby/Power light of the TV blinks when there is any internal malfunction in the TV. The self-diagnostic function of the TV will cause the STANDBY light to blink or flash when the television detects an issue. The number of times the STANDBY light flashes corresponds to a specific issue.

Few examples are given below; some of the issues may be resolved without the need for service.
1 blink / 2 blinks / 5 blinks: - This indicates that there may be a power-related problem with your set.
3 blinks: - This indicates that there may be a power-related problem with your set. The set will need to be serviced to allow a technician to determine the specific issue that needs to be repaired. If the power light flashes three times in sequence in a Lamp TV, the lamp cover is not securely attached. Reattach the lamp cover to resolve this issue.
4 blinks: - This indicates that there may be a back light or lamp power problem.
6 blinks: - This indicates that there is some kind of audio problem with your set.
7 blinks: - This indicates that there is a temperature problem with your set. Please check to make sure that the air vents on the sides and back of the set are not blocked or clogged and there is adequate ventilation around the television. We recommend that you check and clean the vents periodically to make sure the set receives adequate air flow. If the problem continues, the set will need to be serviced.
8 blinks: - This indicates that there may be a video-related problem with your set. If the flash sequence is not listed above or the light continues to flash, follow the steps below to perform a power reset:
Try the following steps to check if the issue can be resolved.
Turn off the television.
Unplug the television power cord from the electrical outlet.
Let the television remain without power for 60 seconds.
Plug the power cord back into the electrical outlet.

If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.

If the issue continues to occur, service may be required.


Thanks for using Fixya.

Mar 02, 2011 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

Turn tv on,picture good for 4 seconds,then green curved line like a rainbow all green,then 4 green sequence flashes,picture goes out theN volume continues for 2 seconds then out front red power light then...


This is a set with bad picture tubes-not available except on rebuild basis.

Are you seeing bright green screen and then set shuts off?

Let me know so I can help--8 blinks is AKB error.

SD TECH

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1 Answer

PDP 5030 blinking red light on monitor


Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

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1 Answer

Blinking Red Power Light


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