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