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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Sony Blink Codes - tv?
Hi everyone,
This morning my 5 year old Sony KV-28DX20U TV started playing up. The power light goes on, sound comes out but no picture. After a minute or so, a green tint appears over the screen and then the picture comes in, but with a green tint. I believe the Sony's have a self-diagnostic feature, but can't find much about this. The red power light comes on and blinks 5 times, then goes off for about 3 seconds, then blinks 5 times, etc. Hopefully it's something relatively simple, as it's a great TV and I've never had any problems with Sony before. Anyone able to help / offer some clues on this? Thanks! -- Dave Jennings. |
#2
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This morning my 5 year old Sony KV-28DX20U TV started playing up. The
power light goes on, sound comes out but no picture. After a minute or so, a green tint appears over the screen and then the picture comes in, but with a green tint. I believe the Sony's have a self-diagnostic feature, but can't find much about this. Its a long shot, but... http://www.highlandelectrix.fsnet.co...s/SONY.TV.html Try a combination of searches like "5 flash" and "blink" to find some possibly relevant codes / module failures |
#3
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"Colin Wilson" wrote in message t... This morning my 5 year old Sony KV-28DX20U TV started playing up. The power light goes on, sound comes out but no picture. After a minute or so, a green tint appears over the screen and then the picture comes in, but with a green tint. I believe the Sony's have a self-diagnostic feature, but can't find much about this. Its a long shot, but... http://www.highlandelectrix.fsnet.co...s/SONY.TV.html Try a combination of searches like "5 flash" and "blink" to find some possibly relevant codes / module failures 5 can mean bad tube, especially going green also. |
#4
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Fray Bentos wrote:
5 can mean bad tube, especially going green also. In my experience, whatever is wrong with it, repairing it is almost certainly a waste of money. -- Timothy Murphy e-mail (80k only): tim /at/ birdsnest.maths.tcd.ie tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland |
#5
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5 can mean bad tube, especially going green also. Could also mean just dry joints on the gun connector. Dave |
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Dave Jennings wrote:
Hi everyone, This morning my 5 year old Sony KV-28DX20U TV started playing up. The power light goes on, sound comes out but no picture. After a minute or so, a green tint appears over the screen and then the picture comes in, but with a green tint. I believe the Sony's have a self-diagnostic feature, but can't find much about this. The red power light comes on and blinks 5 times, then goes off for about 3 seconds, then blinks 5 times, etc. Hopefully it's something relatively simple, as it's a great TV and I've never had any problems with Sony before. Anyone able to help / offer some clues on this? Thanks! Bang the set hard. Its usally a semi short in the gun assembly. Also blow any dust out of the tube rear area. |
#7
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Timothy Murphy wrote:
Fray Bentos wrote: 5 can mean bad tube, especially going green also. In my experience, whatever is wrong with it, repairing it is almost certainly a waste of money. Sony tubes are expensive and tricky to replace. Dry joint in gin area as suggested elsewhere aa deifinite ****-o-bolity. |
#8
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The Natural Philosopher wrote: Timothy Murphy wrote: Fray Bentos wrote: 5 can mean bad tube, especially going green also. In my experience, whatever is wrong with it, repairing it is almost certainly a waste of money. Sony tubes are expensive and tricky to replace. Dry joint in gin area as suggested elsewhere aa deifinite ****-o-bolity. Too many dry gins and joints? MBQ |
#9
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Dave stanton wrote:
Could also mean just dry joints on the gun connector. Hi, funny, a US site suggested this too. If it's something relatively simple I'd certainly have a look, as I know that should I call out the Sony engineer here it WILL require a new tube - and that's probably not worth putting in. Like I said in the OP, I've never had a problem with Sony before, and I'm loathe to bin an otherwise terrific TV if it's fixable, especially if it's POSSIBLY a simple fix. The downside is I have no idea WTF the gun connector is!! However I'm fine with electronics ( my company manufacture ruggedished handheld PDA's here in Scotland ) so I'm sure it can't be rocket science, at least to have a look! ( Famous last words, or what? ) -- Dave Jennings. |
#10
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"Dave Jennings" wrote in message oups.com... Dave stanton wrote: Could also mean just dry joints on the gun connector. Hi, funny, a US site suggested this too. If it's something relatively simple I'd certainly have a look, as I know that should I call out the Sony engineer here it WILL require a new tube - and that's probably not worth putting in. Like I said in the OP, I've never had a problem with Sony before, and I'm loathe to bin an otherwise terrific TV if it's fixable, especially if it's POSSIBLY a simple fix. The downside is I have no idea WTF the gun connector is!! However I'm fine with electronics ( my company manufacture ruggedished handheld PDA's here in Scotland ) so I'm sure it can't be rocket science, at least to have a look! ( Famous last words, or what? ) -- Dave Jennings. the gun connector is the little board at the back of the tube, the one that can have a couple of kilovolts on it. beware... |
#11
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Fray Bentos wrote:
beware... Aharr.Now, daftie question, but is this something I should be wary of even when I've disconnected the TV from the mains or not? I'm guessing I don't lick it to see if I get some kind of kick. 8^ ) -- Dave Jennings |
#12
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#13
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Fray Bentos wrote:
"Dave Jennings" wrote in message oups.com... Dave stanton wrote: Could also mean just dry joints on the gun connector. Hi, funny, a US site suggested this too. If it's something relatively simple I'd certainly have a look, as I know that should I call out the Sony engineer here it WILL require a new tube - and that's probably not worth putting in. Like I said in the OP, I've never had a problem with Sony before, and I'm loathe to bin an otherwise terrific TV if it's fixable, especially if it's POSSIBLY a simple fix. The downside is I have no idea WTF the gun connector is!! However I'm fine with electronics ( my company manufacture ruggedished handheld PDA's here in Scotland ) so I'm sure it can't be rocket science, at least to have a look! ( Famous last words, or what? ) -- Dave Jennings. the gun connector is the little board at the back of the tube, the one that can have a couple of kilovolts on it. ....for some minuets after the set is switched off possibly.. beware... Yes. |
#14
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Dave Jennings wrote:
Fray Bentos wrote: beware... Aharr.Now, daftie question, but is this something I should be wary of even when I've disconnected the TV from the mains or not? I'm guessing I don't lick it to see if I get some kind of kick. 8^ ) Prodding at it with a neon screwdriver should show anything that is nasty, and should leak teh voltage away safely via a few meghomns and your body..or yoi could attach the 'cold' end of the screwdriver via a wire to an earth.. |
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