So it has green light blinking 1 blink contnuiously on the power led, so i unplugged it and pressed input and volume down and then plug it back in and it turns on screen then after about 2 secs it shuts back off
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Re: Sharp lc-37d40u help
Pics? -
Re: Sharp lc-37d40u help
Attached FilesComment
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Re: Sharp lc-37d40u help
What does the 70V supply to the backlight board do?TELEFIX
How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
http://www.irf.com/technical-info/appnotes/an-1088.pdf
PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!Comment
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Re: Sharp lc-37d40u help
Any helpComment
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Re: Sharp lc-37d40u help
To my eyes it looks like two of the three capacitors on the center board next to the left hand heat sync are slightly swelled up.Comment
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Re: Sharp lc-37d40u help
Service manual:
Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Sharp lc-37d40u help
No there's no swelled up capsComment
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Re: Sharp lc-37d40u help
I looked at the schematic I can't seem to find anything about a 1 blink code or for readings on how to check power supply for what pins is what voltages?Comment
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Re: Sharp lc-37d40u help
Page 43 for blinking code
Page 35, 36 for testing the voltages at the connectors.Last edited by budm; 04-13-2015, 02:44 PM.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Sharp lc-37d40u help
budm when I look at page 43 it is blank for me. 42 and 44 is not blank but there is nothing on blinking codes, can you copy and paste me page 43 please?Comment
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Re: Sharp lc-37d40u help
nevermind bud m I got it, ok by my looks its says the only thing it could be is lamp failure? because the only thing that blinks is the green power 1 time , the onther blink codes says something like the power light must blink and the opc light, the only thing that flashes 1 blink is the power light so has to be lamp failure? im having a hard time understanding that chart if you could help?Comment
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hi guys, i need your help again...i have tcl u65x9006. while i was watching it become darker like when a movie ends, little by little the image disappear. now if i turn on i have back light on, after like 1 min i have also sound but no picuture. the back light is on i take off one at time the ldvs but nothing change always no picture. i tried to cover with a piece of paper the pin of ldvs i cover like 7 8 pins but nothing worked. the tv stay with no picture. there is a tcon board.i checked the voltage there on the fuse i have 11,8 volts. there is caps in shorts on the exit of the tcon i have... -
This happened last Saturday and today I finally had time this morning before I went to work to replace two non brand capacitors
I will let you be the judge weather or not these are bad or not according to the blue ESR meter that I am using
I am comparing them to a brand new one that I installed
The display came back on and the programming was not lost which I was surprised by I would have thought that when the display went blank that so did the memory as well
I going to let it run for several days before I remount back on the wall next to the... -
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