CONFIDENTIAL
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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
LEDs flickering
Pre-check:
Turn on the phone.
o If the phones turn on, the LEDs are flickering and than lights turn off. The LEDs do not turn on
again, e.g. when pressing a key, then follow repair instructions:
“LEDs flickering”
LEDs flickering
In this case check if C302 is assembled. If not, reassemble the component.
If the C302 is assembled, check N300 and surrounding components L300, V300, R300 and R307 for disconnections or
shorts; change or resolder faulty components.
If all above described components are ok, probably D200 UEM is faulty.
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