Re: samsung lcd LA40M81BDX
I have replaced the caps for a second time and also tested the PSU in a second Tv which works ok just to make sure it works.
Hillbilly
New Member
Last Activity: 03-06-2023, 08:02 PM
Joined: 04-19-2012
Location: Adelaide,SouthAustralia
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samsung lcd LA40M81BDX
I have a 40" inch Samsung lcd tv which is starting up,then shuts down then back on again. It did this before and the caps on the power board where replaced,now it is doing the same again. I have tracked it down to the main board which is around $400. I found a fellow in Sydney who can fix it for $100 but he wants me to take it there. I live in S.A, has anyone fixed this problem on the main board -
Re: Hitachi Plasma 42pma300a Sound but no pic
I have found if i disconnect the zsus board the voltage returns to normal.I have found a training manual which shows how to test the board and it indicates the main driver is u/s.I don't think it is worth repairing due to the cost of replacement boardLeave a comment:
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Re: Hitachi Plasma 42pma300a Sound but no pic
I replaced that resistor (R005 ) before as it was open and still no go .That R005 runs a different circuit. The board is the same as the one in your April 2011 post.Leave a comment:
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Hitachi Plasma 42pma300a Sound but no pic
Tv powers on with sound , but no picture , no Vs and Va , all other voltage ok. Have tested found R005 open .Voltage on primary transformers T301 / T501 ok , no 65v or 175v .Complete Circuit diagrams with all components ,not basic are hard to find.
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