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Old 07-30-2018, 10:45 AM   #1
nerkkka
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Question MacBook Pro 13" 820-3115 - No LCD_IG_PWR_EN

Hello guys, Have problem with display, the external display works fine, mac's lcd totaly black. All voltages is present except on u9000 pin 1 which is gate, pp3v3_s5 is present. Any idea what can be? I think about u1800, if this IC broken then I have some problems
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Old 08-16-2018, 10:11 AM   #2
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Default Re: MacBook Pro 13" 820-3115 - No LCD_IG_PWR_EN

Any one can replay to my question?
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Old 08-16-2018, 01:25 PM   #3
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Default Re: MacBook Pro 13" 820-3115 - No LCD_IG_PWR_EN

Any more details as what U9000 is? P-ch? N-ch?
You do have backlights nut no pictures, or no backlights?
The more details and schematics you ptovide will get you a lot more helps.
Pictures of what we are dealing with?
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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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Old 09-17-2018, 11:40 AM   #4
nerkkka
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Default Re: MacBook Pro 13" 820-3115 - No LCD_IG_PWR_EN

Chears mate
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