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Sunday, August 12, 2007

Sony TV LED & Blinking Codes - What Does It Mean When Standby/Timer Light Flashes

This post is directed towards helping folks with the diagnosis of problems with their Sony Television set. The genesis of this post is based questions I have received from my post on fixing the retrace lines on you Sony HDTV Projection and some additional help from a Sony TV Repair & Service Manual for my KP-51HW40 Projection HD Television set.

If you are having some problems with your Sony Television, then this post is for you. Generally speaking, when there is trouble with your Sony Television set -- it indicates the issue in either the diagnostic mode, or even more commonly by flashing a series of LED blinks or flashes on the front of your television. Each set or frequency of the blinks indicates a very specific problem with the television itself. In some cases, you may be able to repair the television set yourself -- or in the worst case you may need to order parts, call a local repair shop to the have a repairman sent out, or even purchase a new television set.

First off, here are the list of codes and what they generally mean on my set (which applies to many recent model Sony Television sets. Sony has provided a "self-diagnosis function" with your TV, that in the case of abnormalities or problems the LED or red blinking light on the Timer/Standby indicator flashes a number of times to indicate the issue. Here are the values of the various blinks.

  • 0 times, Diagnosis: Power does not turn on. Possible causes include: Power cord is not plugged in, Fuse is burned out (F6001) (G board). Symptoms of the problem: Power does not come on, No power is supplied to the unit, AC power supply is faulty.
  • 2 times, Diagnosis: B overcurrent (OCP). Possible causes: H. OUT (Q8024) is shorted. (D board), +B PWM (Q8035, 8038) is shorted. (D board) Symptoms of the problem: Power does not come on, Load on power line is shorted.
  • 3 times, Diagnosis: +B overvoltage (OVP). Possible causes: IC501 is faulty (G board), IC5002 is faulty (G board). Symptoms of the problem: TV has entered standby mode.
  • 4 times, Diagnosis: Vertical deflection stopped. Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board) Symptoms of the problem: TV has entered standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.
  • 5 times, Diagnosis: White balance failure (Not balanced) Possible causes: Video out (IC7101, 7201, 7301) is faulty (CR, CG, CB board), CRT drive (IC309) is faulty (A board), G2 is improperly adjusted. Symptoms of the problem: No raster is generated, CRT cathode current detection reference pulse output is small.
  • 6 times, Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards). Symptoms of the problem: No picture.
  • 7 times, Diagnosis: Horizontal deflection stopped. Possible cause: Q8035, 8038 is shorted. (D board)
  • 8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)
  • 9 times, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound

Hopefully, the descriptions of the blinking lights and the symptoms and problems will point you in the right direction to tell the problem with you Sony Projection Screen Television. If it is not enough, do not worry -- in the coming few posts I will talk about entering the Diagnosis and Service modes for your television set!

This guide may be compatible with the following televisions:
KDF-37H1000
KDF-42E2000
KDF-42WE655
KDF-46E2000
KDF-46E3000
KDF-50E2000
KDF-50E3000
KDF-50WE655
KDF-50X30
KDF-55E2000
KDF-55WF655
KDF-55XS955
KDF-60WF655
KDF-60XBR950
KDF-60XS955
KDF-70XBR950
KDF-E42A10
KDF-E50A10
KDF-E55A20
KDF-E60A20
KDF-E60A20PKG
KDP-51WS550
KDP-51WS655
KDP-57WS550
KDP-57WS655
KDP-57XBR2
KDP-65WS550
KDP-65XBR2
KDS-50A2000
KDS-50A2020
KDS-55A2000
KDS-55A2020
KDS-55A20L1
KDS-60A2000
KDS-60A2020
KDS-70Q006
KDS-R50XBR1
KDS-R60XBR1
KDS-R60XBR2
KDS-R70XBR2
KF-42WE610
KF-50WE610
KF-50WE620
KF-50XBR800
KF-60DX100
KF-60WE610
KF-60XBR800
KP-41T15
KP-41T25
KP-41T35
KP-41T65
KP-43HT20
KP-43HT20C
KP-43T70
KP-43T70A
KP-43T70C
KP-43T75
KP-43T90
KP-46C36
KP-46WT500
KP-46WT510
KP-46WT520
KP-48S65
KP-48S70
KP-48S75
KP-48V75
KP-48V80
KP-48V85
KP-48V90
KP-5000
KP-51HW40
KP-51WS500
KP-51WS510
KP-51WS520
KP-53HS10
KP-53HS20
KP-53HS30
KP-53N74
KP-53N77
KP-53S65
KP-53S70
KP-53S75
KP-53V15
KP-53V75
KP-53V75C
KP-53V80
KP-53V85
KP-53V90
KP-53XBR200
KP-53XBR300
KP-53XBR45
KP-57HW40
KP-57WS500
KP-57WS510
KP-57WS520
KP-57WV600
KP-57WV700
KP-57XBR10W
KP-61HS10
KP-61HS20
KP-61HS30
KP-61S65
KP-61S70
KP-61S75
KP-61V75
KP-61V80
KP-61V85
KP-61V90
KP-61XBR200
KP-61XBR300
KP-65WS500
KP-65WS510
KP-65WV600
KP-65WV700
KP-65XBR10W
KP-7200
KWP-65HD1



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44 comments:

Anonymous said...

My TV blinks 4 times. How would I go about fixing the problem. I tired the tutorial from your other blog but I didn't have any success.

Anonymous said...

The picture on my set (KWP-HD651) will go black and then come back on and continue this over and over again. During this time the Standby\Timer light blinks 5 times.

Any ideas? I called a Sony authorized repair shop and they told me that this model was not longer servicable. I live in the Saramento, Ca area. Do you know of any shop here that will take a look? Anything I can do on my own?

If I can understand what the problem is and the cost involved to fix it then I would bre greatly appreciative.

Superman said...

Hello Anonymous,

The picture on my set (KF-42WE610) would go black and then came back on and continued this over and over again. During this time the Power/Standby light blinked 5 times.

A couple days before that, it had worked the best it has in years. While just a week before that the screen was dim and the Lamp light blinked. A new replacement lamp had me thinking my troubles were over.

No idea what a white balance failure is, faulty circuit board? Referred to my manual, you mounted the lamp cover insecurely when the Power/Standby light blinks 3 times. It was not 3 blinks, it was 5, so tried it anyhow. Problem solved, for now, and only time will tell.

As for what Sony told you regarding your model, did you ask nicely? According to engadget Sony offers firmware upgrade for 400,000 TVs on the fritz.

Later,
Superman

Anonymous said...

I do have the same problem with 5 red blinking lights on my KDF-E50A10 Sony TV. do you guys think just by changing the projection lamp would fix the tv?

Superman said...

Hello Anonymous,

Just prior to the lamp failure in my unit, the picture was very dimly lit and the Lamp light blinked constantly. Replacing the lamp worked out perfectly for me, or so I thought.

My shortly lived trouble-free experience appears to have come to an end. After just one week since I announced problem solved, today my TV powered on, the screen cycled on and off several times, it powered down, and then the Power/Standby light blinked 5 times. A couple minutes later it powered back on and looks great again.

I emailed Sony and they promptly replied with a support article from their knowledge base. If the STANDBY light flashes four times in sequence, the television may be overheating. To resolve this issue, ensure that the back of the television is well ventilated.

What? It was not 4 blinks, it was 5! Oh well, perhaps this will aid the original poster who has been waiting patiently all this time. By the way, when I asked Sony about the extended coverage they told me that I had to see squigglies on my screen, go figure.

I have this theory that because I plugged a 120 watt aftermarket lamp into a power supply that was intended for a 100 watt factory lamp, that now I have 5 red blinking lights. No idea how I am going to test this one.

Later,
Superman

Anonymous said...

Superman...Seems like you know your stuff. I was the guy that posted the second comment and had claimed that Sony authorized service center tlld me they did not support my model. Jus so you know who I am.

Anyways, reading through your comments it seems like we have the exact same problem and that you possibly found a fix. What is that you replaced the lamp? Did you do this yourself? Difficult?

Anyways...I will review the Sony article you sent the link for although I think you say this is for a problem when the Standby\Timer light blinks four times.

I still have the exact same problem...TV works for a bit and the picture looks normal...then all of a sudden the screen flahses black and then back on over and over again. The TV stays on as the sound can still be heard. It is just a real pain in the rear to try and watch a TV that is going black so often.

Any help you can throw my way would be greatly appreciated.

Thx

Anonymous said...

Superman...I still have the same problems where the screen is blinking off and on. Any other ideas?

Superman said...

Hello No. 2,

I have ran into two problems this month, and they may or may not be unrelated. I also have three indicator lights: Power/Standby, Timer, and Lamp.

My first problem arose when my screen became progressively dim and remained so constantly during which time the Lamp light blinked.

My second problem arose two days after I fixed the first one with a replacement lamp. The Power/Standby light blinked 5 times, but I treated it as if it had been blinking 3. That fixed it for five more days.

If I power on my TV without seeing any problems in the first two minutes then it will stay on for hours. Otherwise, the blackouts occur before I even get comfortable in my chair. My audio is in sync with my picture fading in and out, and is followed by my Power/Standby light blinking 5 times.

Sometimes it will power up two minutes later, while other times it takes two hours before I can power it on. Maybe it is too cold and just needs to warm up, I just can't place it.

Sounds like your picture stays on for a couple hours before it goes out, and it is your Timer light that blinks. Perhaps your timer is set to shut off your set in 2 hours? Unlikely, since your sound can still be heard.

Perhaps you're having the reverse problem as mine and it is some overheating problem that causes it to power down after so many hours. Treat it as 4 blinks before buying a replacement lamp and see if that works.

Later,
Superman

youpeng said...

My Sony kp-51hw40 LED is blinking 6 times! I was wondering if anyone was able to overcome this proble. Any information on helping me fix the problem would be appreciated. Thanks

Anonymous said...

Hey you guys,
My Sony KDF-E50A10 still have problems with 5 blinking red lights. There are so many calls and emails to Sony regarding this problem and the only answer they came up is to bring it to the Service Center. I told them that "i do not have a warranty on it but if you tell me I can replace it myself." They given me excuses that I could get myself hurt, yada yada yada...you get the picture.

Then I stumbled this site... I've replaced the bulb since Superman said it works for him for awhile but it didn't work on mine. getting a service guy to come and look at the TV cost way too much.

I was wondering if you awesome guys know what else that you would know how to fix this TV (KFD-E50A10) other than dump it at the trash. your assistance is greatly appreciative

Jason said...

I have a Sony KP-46C36 projection TV that has no picture, and worked fine until there was a "pop" sound like a small firecracker. Now there is no picture, and the Standby LED is blinking constantly.
Can anyone tell me what's wrong here? Is this worth fixing?

matthieu said...

hello guy!there is a person who can help me with my sony rear projection KP-46wt510 ?I'm watching my tv and a little sound
appear ans no images appears at the screen!i turn on and i count 8 led flashing rapidly what the fuck!!It is possible that a lamp are dead or when a lamp break the two others are finish?There is a
hint to know this kind of problem?
Thank's if anyone are able to help me and if you want,you can write me at mattatos1@hotmail.com or if you can have a repair schema i appreciate this very much!!

Anonymous said...

I have a two-year old SONY KDF E55A20 HDTV and have the "5 red blinking lights" syndrome...need further guidance. The unusual part of my problem, and I haven't seen this posted yet is, after 45 secs of power up the tv will shut itself off for 45 secs then turn itself back on for 45 secs, repeat, rinse, repeat (it's like groundhogs day all over again). Of course the Sony rep was no use...and I'm waiting to hear from the local authorized dealer.

Does anyone have any thoughts on the power cycle routine? TIA

Anonymous said...

Hello I have a sony projection kp53s70 manufactured in 1999
It has started to show 2 -3 horizontal black thin lines on screen, they come and go but are mostly there all of the time.

What is your suggestion?? thanks!!

dasadler said...

Hello, I have a KP-61S70 that has worked beautifially for years. Now, it does not respond to remote or buttons on TV. The Timer/Standby light stays on constantly (they may also be the power light) when plugged in.

Any ideas?

Anonymous said...

Hi i was reading thru this info and noticed that u were going ot put out repair / service info on KP-53HS10 Sont TV i would sure love a link to that into

Thanks so much
Lee Prine

Anonymous said...

Hi i have a KP-53HS10 Sony TV i read where there was going to be a repair / service tutorial put out i would love this info if possible

runyet2002@yahoo.com
Lee Prine

Anonymous said...

Please read - Prior post: ..."5 red blinking lights" syndrome...need further guidance...after 45 secs of power up the tv will shut itself off for 45 secs then turn itself back on for 45 secs, repeat, ...waiting to hear from the local authorized dealer.

New post: I have the same problem. This happened a year ago and then went away. Now it's happening again...constantly. Unfortunately, posters often come to these sites looking for solutions (like me), but don't come back and post the fix. Anyone out there that has had this problem resoloved?

Anonymous said...

kf-42we610 + 4 blinks = $418

After about three years we had a problem that required two fans to be fixed for a hefty price. Great TV when it works, but very disappointed with the Sony reputation after this.

Raka2000 AT hotmail DOT com said...

First, thanks for your post is very helpful for all of us, especially me - who has spent about $2000 on KP-51WS510 TV set and now are facing the problem of LED blinking 8 times.

I also found a similar article at: http://www.iwaynet.net/~nesda/SonyBlink.html

This one has a little different information. But, the essence is that I need to find a technician who can fix this issue. This has been the second major issue in last 2.5 years of my TVs life. I have really starting hating Sony now.

Do you have any other recommendations before I call in the tech this week?

mikee1968 said...

hi i have a sony kp-61hs30. it blinks 6 times. is that something beyond my repair like a fuse or something?tv does not come on at all after power went out on our block. it is hooked up to a surge protecter also. any advice thanks mike

JamesPranger said...

I see alot of issues with Blinking codes all the time. Honestly, if you need help with the blinking codes and how to fix them. I would go to Agoraquest.com (A complete site for Sony users with over 80,000 members helping with Sony related issues).

They answered my questions when my 50We610 had 6 blinking lights.

Hope this helps.

The direct link is
www.agoraquest.com

Justin said...

I picked up a kdf-60wf655 last night for a bargain. I plugged it in and and I got the 6 blink code. I did some research and came to the conclusion that its the THERMAL FUSE and needs to be replaced. So I pulled the lamp assembly and all out and got to the fuse. I ordered a new one from SONY and itll be here in a few days. Ill let you know how it turns out. Hopes this gives some help to others....

Anonymous said...

I am having this same problem, my tv does not turn on when I press the power. Only, mine blinks an unlimited amount of times, never stops, and I dont know whats wrong with it,

Anonymous said...

hey

i purchased a KF-60WE610 4-5 years ago, its been working fine other than the fact that i had to replace the blub 3 different times, the last time occuring about a month ago.

today when i turned on my tv, the green standby button was green and blinked 4 times i think, then it blinked 6 times i belive, then no no light blinked for 1-2 seconds then blinked 6 times red

i was wondering what this means, i mean i just replaced the bulb, the fan is clean, and i took the power cord and used a different outlet, ive run out of options, can u help me out?

nilesh panchal

Anonymous said...

Oh well.. My KDF-E50A10 has 5-Blinks too. Its wierd because it was fine when its in the living room, but when I transfer the TV to my room all of a sudden the TV dies right on front of me and gives me this sequential 5x Red Light Blinks! I don't know if anybody manage to fix this without the expensive assistant repair man. Please post your comment that might help solve the problem here.

Thanks,
HAWAII

Anonymous said...

Most of the red blinking light. Problems can be fixed with a can of air and a vacum.
what happens is the sensors around the cooling fans get so dusty they send false signals that ether fans have stopped working so you either get an over heat code etc.
you need to first vacum the dust out of the vents on the back then with the can of air blow out as much remaining dust as possible.
this always eliminates the red light syndrome for me.
hope this helps you all out.

Anonymous said...

another issue if you have 4 blinking red lights has to do with the large cooling fan for the bulb.
if the fan gets jammed with dust and dirt and cannot turn the tv will not let you turn it on untill the fan is cleaned or replaced.
the quickest way to tell is with a flashlight look into the large vent close to the lamp and see if the fan runs when you turn the tv on.
if it doesn't then try cleaning it with canned air and a vacum.
If this doesn't get the fan running them it will have to be replaced.
from the looks of it its a 120mm fan you can most likely get at any computer supply site.
Right now I'm still able to get mine to run but I'm time I'll need one and when the time comes I'll let Y'all know just what type of fan replaces it.

James Pranger said...

If you get 6 blinking lights below is the solution


The problem is the thermal fuse. You need to have service bulletin to fix. I have seen other people have the same issue and it was fixed by getting the SB at agoraquest. It's a step by step guide on replacing the thermal fuse. The member that has the service bulletins is Jehill. He has helped several people with this issue

http://www.agoraquest.com/viewtopic.php?topic=24322&forum=34&start=0&select_page_number=1

It takes about 2 hours but saves over $400 in service repair bills.

Here are some of the people that were helped by this

-----------------------------------------
J/K :-p ......worked like a charm :-) Took me about 2 hours and almost half of that was to go and get a 20" #2 philips screwdriver. A 12" would have worked, but they did not have it. Other than than that, no problems. I paid $220 for the TV, $28 for (2) Thermal Fuses, and $11 for a screwdriver. Now I have a decent 2nd TV :-) Not as good as my KD-34XBR960, but not much is :

Happy

-----------------------------------------------------------------------------------------------


I just got done replacing the thermal fuse as per your SB and all is well again! I, and most importantly the wife, just want to take the time to thank you so much for your help. With your instructions and this site, we have just saved ourselves alot of $$ not just for this time but also if it were to happen again in the future. I am truley grateful for finding this site and just want to say you are THE MAN!!!

pratt31

------------------------------------------------
1 10" screwdriver $12.00
1 Sony Thermal Fuse + shipping $ 8.00
1 membership to agoraquest.com $12.00
Fixing the thermal fuse myself on a TV that was discarded at the curbside

PRICELESS

Gary said...

I have a this Standby problem but it's not 4 or 5 blinks . It's like 8 blinks . Does any one know how to replace the D-Board for these Model
Sony KDP-57WS655 .It's only a year old and low and be hold the warranty is up . So It comes out of my pocket .

Anonymous said...

As previously posted, I am also getting this "The picture on my set will go black and then come back on and continue this over and over again. During this time the Standby\Timer light blinks 5 times." Has anyone found a fix for this?

Anonymous said...

I have a 4 year old Sony KV-27HS420. When I power up, the set then shuts down and the standby light blinks 6 times. No picture or sound. I read the diagnostic tips for the projection TV's.... are they the same for the HD-ready tube sets......thanks

Anonymous said...

anonymous you da man!

I took an air can to the back of tv ... didnt even open it and it powered right up!

thats after unpluggin it over night and tried to power it on a few times and that didnt work... still six blinks... i then waited 2hrs or so air canned it and presto...


Im just not going to turn it off until it croaks ... im a student and cash flow is slim!

tv is 32" hd sony bout 6yrs old picture is great ...

my friends sony did same except his was d-board... either way this is my last sony tv or sony anything!!! Sony just not what it used to be!!!!!!!!

Thanks again for the air can tip...

Anonymous said...

I read about the lamp becoming encrusted with dust and shutting down the tv due to lack of air circulation. would someone with a kdfe55a20 or the 60 inch versino try cleaning their lamp screens and seeing if the tv stays on. please let me know if this is factual or false please emmettsfixit@gmail.com

Anonymous said...

Thank you,
Thank you,
Thank you very much..... :)

Anonymous said...

Greetings and Salutations,
Just before Christmas, my KP53SO Rear Projection had a bright green picture...what a downer....with football and all coming up, I was at my edge....I ordered three gun drivers ( each about 18 dollars each ) I figured that it was a cheap gamble to replace the drivers on each gun or spend about $400 on the "A" board or go out and buy a new flat screen...BUT...Santa was nice to me, I ordered the CR,CB & CG DRIVER BOARDS, REPLACED THEM AND LIKE MAGIC, My unit was in the land of the working...I had to use the "AUTO FOCUS " to get the picture back to normal. Hope this helps sombody with the same problem! Saved us a hugh amount of money & time from a "Shop Repair" The best to all who read this...ain't AMERICA GREAT!

David said...

My Sony TV was blinking five times, and the color was distorted more toward red ever since I replaced the two chips that are responsible for the power supply, blinking 6 times. I fixed white balance failure by adjusting G2 using a screw driver.Thus, the blinking has stopped and the color has been restored. The only challenge I had was identifying the G2. You may need to look into your TV spec to find the G2

Anonymous said...

Wow! I researched the red screen of death on the net and found ppl saying it cost about $500 to repair. Then I found your blog and presto! Problem solved. My wife loves you and wants to have your baby! Ok, I'm exaggerating. She doesn't love you but she does wanna have your baby! LOL.

Thanks a million.

Vic
Miami, Fl.

floodsta said...

I have a sony kdf42e2000 tv and im getting a blue screen wit no sound or video. Does anyone know what type of problem im having??

Anonymous said...

Hello-

I have a 5 yr old sony kdp-57ws550. The original problem was 10 slow blinks, then 5 fast blinks repeatedly. We had a repairman diagnose the problem and told my husband which part the change. He changed resistors IC8002 and IC6400and a capacitor on the D board. Now when you try to power up the TV, we get 4 slow blinks and the TV shuts off...no more blinks after that. Any ideas what the problem may be?

Anonymous said...

I have a sony wega, model # kdf-60wf655. The red light on the front of my tv blinks 6 time. what is a possible solution for this. Is it a simple solution and could I fix it by my self. thank you.

Anonymous said...

HI, I have a Sony Projection TV Model # KP-57HW40. I do have red lines across the screen then the screen itself started to flash red before it will turn off and now the screen fades into a blue screen not being able to see the picture but still has sound. Can you tell me what I need to do to fix it myself.

chatter said...

sony tv model kdf42e2000 serial#8038080 problem, change bulb tv light up picture came on vedio blurr bulb turn off green light came on for 1minute then turn red and blink 5 times some say is the lamp driver board on that board carry a F100 IS THAT A FUSE THAT CONNECTED TO THE BULB IGNITER CIRCUIT ACCORDING TO YOUR CODE IS NOT THE LAMP DRIVER BOARD THAT BOARD IS 116.00 AND THE TV IS IN GUYANA. PAUL

BRANDI FORNOF said...

What if there is no distinction to the blinking? As in it just blinks red forever...no start/stop pattern...so no way to count the blinks?

I have a KDS-60a2020 that suddenly just wouldn't turn on == no warning!

PLEASE HELP!!!!!