Nokia 6150 Service & Repair Hints page 9

F100 faulty
•
Check resistance of F100 (0Ω)
V100 faulty
•
Check resistance of V100 (50KΩ in circuit)
L104 faulty Vcharge
•
Check resistance of L104 (0Ω)
L105 faulty Charge ground
•
Check resistance of L105 (0Ω)
C103 faulty short circuit on Vcharge
•
Check resistance of C103 (50KΩ in circuit)
N101 faulty/ poor soldering
•
Check PWMOUT on Pin 7 (1 Hz standard charger / 32Hz fast charger)
•
Check if CHARLIM on Pin 9 is 2.8V DC
N100 faulty/ poor soldering
•
Change if any A/D value is out of limit but the DC voltages are ok.
•
If DC voltages are wrong, check corresponding voltage dividers
•
Check PWMOUT on Pin 56 (1 Hz standard / 32 Hz fast)
X100 faulty/ poor soldering
•
Check connection of Vcharge; charge ground; charge control
X101 BSI; X102 BTEMP
•
Check connection if battery size or battery temp A/D are out
of limit
V102 faulty
•
Check if there is a short circuit in charge control line
Energy management Calibration
•
If charging stops to early
•
If message "not charging appears on LCD"
•
If any part in charging circuit has changed
•
If any A/D value is out of limit, check the corresponding
DC Voltages on CCONT
version 1.0 / 19.10.1999
CONFIDENTIAL Service & Analysis Center Europe
Training Team
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