Question about LG 60PZ750 60 in. 3D HD-Ready Plasma TV

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LG Plasma 60PZ750-UG with no picture or sound.

The led on the Main Logic Control Board (EAX63989001) is consistently flashing with 2 long flashes, 1 short flash, a short delay, then another short flash.

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  • 195 Answers

This is a code for a power supply shut down.
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Posted on Jan 06, 2017

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SOURCE: LG LED model# 47LB5800-UG. Black screen, full screen flashes every few seconds. Audio OK. LEDs appear to be lit when screen flashes. Sounds like LED driver or inverted board and/or connecting cable?

Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Sep 22, 2016

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HI, I have a Samsung PN60E6500 plasma TV that stopped working. If I switch it on, nothing at all on the screen. Not even a slight blink, nothing. No sound as well. So I opened the back.


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. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Jan 03, 2017 | Samsung Televison & Video

1 Answer

LG LED model# 47LB5800-UG. Black screen, full screen flashes every few seconds. Audio OK. LEDs appear to be lit when screen flashes. Sounds like LED driver or inverted board and/or connecting cable?


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Sep 22, 2016 | LG Televison & Video

1 Answer

What are the blink codes for an lg 60pa6500 plasma logic control board?


These 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://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
Blinking codes details of many popular brand TVs are given. Surf the site with patience.
If blinks continue without any pause, the main board is faulty.

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1 Answer

LG TV 60PZ550 black screen no pic or sound green lit flashing it has back lite


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1 Answer

LG 50 PK540 PLASMA picture is flashing greenish, backgroung is yellow, sound is good.


tried first with re seating the lvds cable at logic and buffer board. remove and then re attached which may have loose connection.

Aug 03, 2012 | LG 50PK540 50 in. Plasma TV

1 Answer

No picture-red light flashes 2 times-is this a fault code and what is it telling me?


The light flashing 2 times means that the D board (Main Logic) needs to be replaced.
Check this link to find parts for your plasma.

Oct 15, 2010 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

My Samsung SPN-4235 had the picture go out several months ago. When the power button is pushed, it just flashed on and off. It wouldn't power on for 6-7 weeks, came back on for a few days, then started to...


The flashing led is on the logic board and it indicates communication from the main bd to the logic bd via the lvds cable --your problem would best be analyzed by verifying the va - vs - ve - vset -and vsc voltages - then if all are good it could possibly be the y-main or the x main bds

Feb 06, 2010 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

TV does not turn on/red led flashes 7 times in front


this is common issue with this model and through your troubleshooting is tied to y main board. blinking led on logic main in normal operation. when replacing y main always good idea to replace y upper and lowe buffer boards as they complete a circuit and sometimes replacing one without other could cause additional failure on remaining boards

Aug 10, 2008 | Philips 42PF7320 42 in. EDTV-Ready Plasma...

1 Answer

Plasma tv


Ok first i have to ask when u turn sound off on TV and get close to the TV does it make a buzzing noise ? If so u have a damaged Plasma panel .
If this is not the problem you could have a bad logic or y-main (most common problem) will need to perform a white screen test on the plasma panel to verify this is the problem.
This is what u need to do
1. Remove the back panel of the TV.
2. Remove the Small Signal Board bracket ( the two long bars on back of the plasma panel, the bracket that is connecting the two with SSB on it, remove this and disconnect the connectors to the power supply (CN1M02,CN1M03, CN1M45)except for the main power plug in you will still need this)
3. Once u remove the SSB bracket you should see a plasma panel resembling pic 1.
4. Place a jumper wire or connect the two pins (CN 2012) on the logic board located underneath the SSB bracket.
5. Also place jumpers on the power supply (J8003 and J8004)
6. Now plug in the power supply, U should hear the relays click and after 5-10 sec you should see a green led on power supply, and 2 green leds on logic board 1 will be solid and 1 will flash.
With this set up you should get a white screen on your TV this will let you know if the panel is bad or not.
Also forgot to ask have u had this TV worked on recently or this just happen for no reason.

May 07, 2008 | Televison & Video

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