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hall36034
Joined: 04 Dec 2008
Posts: 10
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 Posted: Fri Mar 23, 2012 11:09 am Post subject: HCT HPP-42HCB green light on won't power up |
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Hello to all,
I have a HCT model HPP-42HCB,
when i turn on the set the green power light comes on but notting else happens, no picture, no sound , no back light and when i try to turn off the set the green light stays on and will not go off, I have to unplug the set from the wall outlet and when i plug it back in, the power light is red until i turn it on and the same thing happens all over again.
All the fuses check good on the power board and the other boards. I did replaced the power board and this did not fix the problem, All the caps looks goods on the others boards,, can someone please help me with this problem, thank you for your help.. |
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JTS1957
Joined: 21 Jan 2009
Posts: 2388
Location: Far, Far Away
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| Posted: Fri Mar 23, 2012 1:01 pm Post subject: |
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| Try changing CA27 470ufd 10volt. |
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hall36034
Joined: 04 Dec 2008
Posts: 10
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| Posted: Sat Mar 24, 2012 2:45 pm Post subject: |
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I change out CA27 470ufd 10volt and you were right, this cap was bad, I replaced it and now it is powering up ok, and now I can turn it on and off.
But when it power up now I get a bright white screen for about one second and then it dims to a verylow backlight and there no sound or picture and after it is power up the set will turn itself off after about 20 mintures. On the ctrl board there is three groups of green lights D102, D103, D104 and the only one that is on is D103, There is another green light by itself D201 and it is not on..
can you please again help me.
Last edited by hall36034 on Sat Mar 24, 2012 3:01 pm; edited 1 time in total |
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JTS1957
Joined: 21 Jan 2009
Posts: 2388
Location: Far, Far Away
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| Posted: Sat Mar 24, 2012 2:58 pm Post subject: |
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CA25; CA52; CA10; CA47; CA48.
You're on your own after trying these. |
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hall36034
Joined: 04 Dec 2008
Posts: 10
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| Posted: Mon Mar 26, 2012 12:10 pm Post subject: |
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after changing out CA25; CA52; CA10; CA47; CA48. the set now is working perfect. good picture and sound.
Thankyou so much for your good advise and help |
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blbaker
Joined: 26 Jul 2012
Posts: 1
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| Posted: Thu Jul 26, 2012 7:00 am Post subject: |
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I believe Im having the same problem. I get a green light, the screen turns on for a second, and then everything dies. Is this a capacitor problem like above? Or could it be related to the on board fuses?
I was going to try testing the capacitors listed above, However, I cannot locate them. Where are the capacitors that start with CA27, CA25, etc? I only see capacitors on the board labeled with C27, C25, C52, etc. Are those the same capacitors? (That might be a noob question, but I just want to make sure before I replace 2x the capacitors as I need to)
Any help is greatly appreciated!
Brandon |
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JTS1957
Joined: 21 Jan 2009
Posts: 2388
Location: Far, Far Away
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| Posted: Thu Jul 26, 2012 10:12 am Post subject: |
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| hall36034 wrote: | | All the fuses check good on the power board and the other boards. I did replaced the power board and this did not fix the problem, |
I think that would rule OUT the fuses and Power Board...
C27=470ufd 10volt???
Testing??? How??? |
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rlcass
Joined: 29 Jul 2014
Posts: 1
Location: Orlando
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| Posted: Tue Jul 29, 2014 11:21 pm Post subject: Where to buy the parts? |
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Hello,
I am wondering where can I order those parts listed: CA25; CA52; CA10; CA47; CA48 CA27 470ufd 10volt?
Thanks |
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JTS1957
Joined: 21 Jan 2009
Posts: 2388
Location: Far, Far Away
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