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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Akai plasma problem
I working on Akai plasma tv model PDP4298ED1.Tv working good in about 1
hour then picture start shaken and looks like scramble picture then picture completely disappear and tv shuts off.Is anybody have a similar problem with this model?What might be failed?Thanks |
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#2
Posted to sci.electronics.repair
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Akai plasma problem
max wrote:
I working on Akai plasma tv model PDP4298ED1.Tv working good in about 1 hour then picture start shaken and looks like scramble picture then picture completely disappear and tv shuts off.Is anybody have a similar problem with this model?What might be failed?Thanks Heat? Put a ventilator pointing at the (open?) backside and see if the problem re-appears. |
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#3
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Akai plasma problem
On 11 feb, 02:14, max wrote:
I working on Akai plasma tv model PDP4298ED1.Tv working good in about 1 hour then picture start shaken and looks like scramble picture then picture completely disappear and tv shuts off.Is anybody have a similar problem with this model?What might be failed?Thanks change all the caps in the power supply secondary. your problem is that Akai ceased to exist years ao, that is now just a name badge stuck on the set. it could be made by anyone.... -B |
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#4
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Akai plasma problem
Ib wrote:
On 11 feb, 02:14, max wrote: I working on Akai plasma tv model PDP4298ED1.Tv working good in about 1 hour then picture start shaken and looks like scramble picture then picture completely disappear and tv shuts off.Is anybody have a similar problem with this model?What might be failed?Thanks change all the caps in the power supply secondary. your problem is that Akai ceased to exist years ao, that is now just a name badge stuck on the set. it could be made by anyone.... -B I checked all caps by ESR they all looks good.No leakage and value matched with cap's sign.Do you think I still need replace all of them? |
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#5
Posted to sci.electronics.repair
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Akai plasma problem
max wrote:
I working on Akai plasma tv model PDP4298ED1.Tv working good in about 1 hour then picture start shaken and looks like scramble picture then picture completely disappear and tv shuts off.Is anybody have a similar problem with this model?What might be failed?Thanks FOUND THE PROBLEM.The problem was not in PS board but in Logic Board.Just removed each IC from the crib (there is 2 ICs in crib)clean the contacts by contact cleaner put it back and BINGO.Tv starts working like new.Thanks anywas for your suggestions. |
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