Proximity Troubleshooting - Nokia Lumia 1320 Service Manual
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Proximity troubleshooting
Check same I2C bus
component Accelerometer
and E-compass is fail? Find
out which is broken
Go to Accelerometer
Page 72
Suite"
Use finger to touch the window of
Light sensor& proximity sensor
are tightened on the MB
Fail
and E0compass
trouble shooting
NOKIA INTERNAL USE ONLY
Copyright © 2013 Nokia. All rights reserved.
Phone Proximity
does not work
Run Proximity In Care
"
Proximity Sensor Test
Is self-test pass?
Fail
Try to re-assemble the
MB on A-Cover and
make sure the screws
Fail
Measure Vreg_L9_2V85
from C3606 and C3610.
Is voltage 2.85V?
Fail
Change J3601
Fail
Is I2C I/F ok?
Yes
Change Sensor
sub-board on A-
cover
Pass
No
Change Main PWB
RM-994/ RM-995/ RM-996
BB Troubleshooting Guide
Pass
End
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