Accessory Detection Failure (Headset / Car Kit Active) - Nokia 6150 Service & Repair Hints

Accessory detection failure (headset / car kit active)

headset is
detected
car kit is
detected
check if there is a
liquid damage
around X100,
V102, V101, L105
V102
•
Check the resistance of XMIC to ground if headset is detected
•
Check the resistance of XEAR to ground if car kit is detected
•
Change component if resistance is low
R259 / R260
•
Check soldering and resistance of components if car kit is detected
(45KΩ / 22KΩ inside PCB)
R256 / R257 / R261
•
Check soldering and resistance of components if headset is detected
(2,2KΩ, 45KΩ, 22KΩ inside PCB)
version 1.0 / 19.10.1999
CONFIDENTIAL
Accessory detection failure
(headset / car kit active)
check if XMIC
(X100 pin 8) is
Yes not oK
short circuited to
ground
oK
check R257,
not oK
R256, R261
check if XEAR
(X100 pin 10) is
Yes not oK
short circuited to
ground
oK
check R259,
not oK
R260
Service & Analysis Center Europe
change V102
resolder or
change if
necessary
change V102
resolder or
change if
necessary
Training Team
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