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I have a Sony Plasma PFM500A2WU. It won't hold a

Sent to Electronics Experts May 7 2008 at 5:18 PM
   

I have a Sony Plasma PFM500A2WU. It won't hold a signal or stay on. The picture will come up for a few seconds then shut down. Code 99 appears on left side panel. It would do this sometimes in the past but then work OK for a few days. This seems to occurs with signals from the cable box or the dvd player. The unit is about 8yrs old.

Customer (name blocked for privacy)
Status:  Closed   Value: $15
Info Request
May 7 2008 at 7:28 PM (2 hours and 10 minutes and 12 seconds later)
         

Hi Customer (name blocked for privacy). Thank you for asking your question on Just Answer. The other Experts and I are working on your answer. By the way, it would help us to know:

-Could you explain your situation a little more?


Do you wish to repair this yourself, if so and if needed, what type of electronic training do you have?

What type of TV test equipment do you own?


Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.

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Edward -- Technician -- 99% Positive Feedback on 924 Electronics Accepts
Electronics Technician for 40+ years. Electronics has been my hobby for 50+ years.
Reply
May 10 2008 at 12:25 PM (2 days and 16 hours later)
         
The tv won't it's signal through the cable signal or the dvd player. It lights up for a few seconds and then go off. It leaves a 99 code. It will keep comming on for a second or two then go back off. I concerned if it is a major problem or not. The Plasma in it's day was a lot of money I hate to replace it if I don't have to.
Customer (name blocked for privacy)
Answer
May 10 2008 at 4:13 PM (3 hours and 48 minutes and 33 seconds later)
         
ACCEPTEDCheck Mark

There is no way to tell for sure what is wrong with the TV but from what you have told me I do not believe it is a serious problem. This model TV is known for having cold solder connections and problems with the power supply. I would guess the repair would be less than $350. A small repair shop will normally charge less than a large repair facility.

Should you require further clarification, never hesitate to ask. It would be my pleasure to clarify my answer to your question. If after reviewing the above information, you have additional questions, I will be glad to answer them. My goal is your 100% satisfaction with all questions I answer.

Please click the green ACCEPT icon if you feel I have given a complete answer, and you can leave positive feedback. Positive feedback and bonuses are always greatly appreciated!

Regards,

Edward

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Picture
Edward -- Technician -- 99% Positive Feedback on 924 Electronics Accepts
Electronics Technician for 40+ years. Electronics has been my hobby for 50+ years.
Reply
May 13 2008 at 12:44 AM (2 days and 8 hours later)
         
Ed, based on your info I will take it in for repair. I do want to explain that the red light blinks when the signal is lost but dosn't go out. I would assume that would indicate I still have power entering to that location. I take it you mean power is lost the rest of it's way. When the signal is lost the fan also goes out so I tend to agree with you. Please reply and I will accept your answer and reply. Thank you.
Customer (name blocked for privacy)
Reply
May 13 2008 at 1:37 AM (53 minutes and 16 seconds later)
         
Ed, I accepted your answer and send off a reply but I'm sure you haven't got
it yet since it's so early. I had taken your advice and will take it in for
repair. Your thoughts on the power connections make cense since it losses its
fan running when it goes into standby. The red light on the front panel
always stays on or is blinking. I take it you meant the power going forward to
other circuits in the TV right and not just main power going to it?.
Customer (name blocked for privacy)
Answer
May 13 2008 at 7:16 AM (5 hours and 38 minutes and 51 seconds later)
         
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Edward -- Technician -- 99% Positive Feedback on 924 Electronics Accepts
Electronics Technician for 40+ years. Electronics has been my hobby for 50+ years.
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