I have a sharp lc52d62u lcd tv... TV click and tries to turn on( clicking) have steady green power light . checked all voltages on PSU and i noticed the 2 pins that should be providing 12V are providing 0.24V, any idea where the fault may be on PSU?
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sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
We need hi-res pictures of the whole board, it must be good enough to see the traces on the bottom side of the board and clear enough to read the texts on the top side of the board.
Right now I cannot even read the board P/N to do the research on it.
Is this the exact matched to your board?
http://www.shopjimmy.com/sharp-rdenc...pply-board.htm
Sharp RDENCA184WJQZ (LC605-4001CC) Power Supply Board
We also need the pictures of the whole back side of the TV showing all the boards so we can see how they are connected together.Last edited by budm; 03-22-2018, 09:57 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=24809
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
try this again
https://pixady.com/file/directDownlo...FiuozjvDOtEMvm
https://pixady.com/file/directDownlo...g1XZgEgJOptQyj
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
on a hunch i replaced the whole PSU we a new one from shopjimmy
part# 184wjqz
i have all my voltages now except pin3 and pin4 that give me 0.24V and should be 12V
I hear tv clicking and trying to turn on now, but no pic or sound.
any idea why i am not getting the 12V out of the new PSU now on Pin3 and 4
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
Service manual:
http://elektrotanya.com/?q=showresul...oria=&kat2=allNever 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=24809
Comment
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
BTW, you have 3 connectors on the cold side and I do not see any pin label to tell us what each pin is for, so pin 3 and pin 4 of which connector?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=24809
Comment
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
Do you have the pin names for that PH connector? Where does that PH connector go to?
The 12V may be a switched on non-switched 12V.
Most 12V is used for T-CON and audio amplifier.
Please show us the pictures of the whole backside of the TV showing all the boards.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=24809
Comment
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
INever 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=24809
Comment
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
It is not helping having two threads for the same TV.
https://www.badcaps.net/forum/showth...262#post814262
Stick with with one thread.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=24809
Comment
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Re: sharp lc52d62u LCD TV no 12V coming out of PSU all other voltages ok
Pin 3 and Pin 4 look to be switched 12V for the T-CON board.
There must be other pins on that power supply board's connectors that is for the control signal to turn on the PNL 12V switcher.
Do you have other connector pin names? Please list them since I do not see them printed on the board, that will make troubleshooting easier. The more details you provide the better help you will get.
What is the P/N of IC5702?
My post #4 with the link to SJ, is that the same exact board you have?Last edited by budm; 03-23-2018, 09:03 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=24809
Comment
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