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A1708 820-00840 Display issue

Mortentoft

Mortentoft

Member
Hi’ fellows.
Some sparetime during vaccation I have been spent some time on replaceing brokken displays on a few A1708 screens. I have a short (Maybe easy one:); I have several complete displayes which does not show any kind of life, no backlight, no image nothing (and no it is not the LB - was testet:). I have removed and installed a known good TCON but same dead result. Flex looks okay. Any good ideas out there🤷
 
Mortentoft

Mortentoft

Member
Hi’ 2informaticos.

Check presence of 3V3/5V_S0SW_LCD and DP_INT_HPD. - values are normal. I have found two of my displayes dead… no backlight no image.
Known good display works normal. I think I have some bad displayes😅
 
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