Nokia Mobile Phones Customer Care E&A
Technical Services, Repair Concepts
5.11 No power on
Service Manual 5510 Level 2
No power on
Check and
clean pads of
board to board
Connector
(MA4, top
side)
Check spring
- connection
contacts of
- optical condition
board to board
- mech. condition
Connector
- corrosion
J301 (MU4,
bottom side)
ok ?
Yes
No
Check and
clean pads of
battery
Connector
(MA4 bottom
side)
Check spring
- connection
contacts
- optical condition
of battery
- mech. condition
Connector
- corrosion
X203 (inside
D-Cover)
ok ?
Yes
No
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Confidential
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Approved 1.0
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20.11.2001