Level
3
Repair
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’s
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8-18
Check the Voltage on C656,
C657
=3.3V?
Resolder or Replace the HDC650
8-3-8.
LCD
LCD is still off after PWR ON
Yes
No
Check the connection of
HDC650
Yes
END
No
Check the C653, C654
and High(18V)
Yes
Check the Voltage on C652,
C659
?(18
V)
Yes
Yes
Replace LCD
Module
No
Yes
Check the Voltage on
C658.=1.8V,?
No
Resolder or Replace the HDC650
Check the Backlight Driver IC(U650)
Reconnect the HDC650
Check the HDC650
(
crack, open, damaged,
etc.)
Yes
No
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