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8-3-7. LCD
LCD is still off after PWR ON
Check the connection of
Check the Voltage on C502 /
C503 / C504 / C506 / C508 /
Differs depending on the
Check the Voltage on C505
Check the Voltage on C507
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Yes
HDC500
Yes
C509
brightness
Yes
= 3.3V
Yes
= 1.8V
Yes
Replace LCD
Module
Yes
END
No
Reconnect the HDC500
No
Check the U500(crack, open, damaged, etc.)
No
Resolder or Replace the C505 / U400
No
Resolder or Replace the C507 / U518 /
8-17
Level 3 Repair
UCP300
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