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820-00923 display not detected

A

ajdoc

Member
Board is liquid damaged with previous repair attempt.

LCD connector on display board was damaged.
Replaced and display assembly has been tested on another machine and it is working but cant be visible by clients board.

Checked and pin 4 and 6 on J8500 was bend so replaced J8500 and display still not visible.
Works fine on external display.

Checked all pads of J8500 and all traces are connected.

Any idea?
 
A

ajdoc

Member
Thank you for that tool - that will help for sure.

DP_INT_HPD in diode mode is fine but when board turned with screen connected it is low at 0.002V.
 
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