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Customer Care Europe, Middle East & Africa NHL-4u/NHL4/NHL-4j Repairhints
SCCE Training Group 6610/7210/7250 Version 3.0
2003 Nokia Mobile Phones
Date 21/05/2003
© NMP 2003
Checked by:
SCCE Training Group
Approved by:
CC Europe, Middle East & Africa
Black display
Pre-check:
Turn on the phone.
o If there is nothing to be seen on the display, follow repair instructions:
“Black display”
Black display
Check voltage VIO = 1.8V DC. If not ok, check C207 for shorts and change component if necessary.
Check voltage VFLASH1 = 2.8V DC. If not ok, check C205 for shorts and change component if necessary.
If one or both have the voltages are not ok change UEM.
If both voltages are ok, check X302 connector for shorts, disconnections, mechanical damages, resolder or change the
faulty component. If the connector is ok, change the LCD module I004.
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