User Guide

PAMS
Technical Documentation
NSE–6
Disassembly & Troubleshooting Instructions
Page 21
Original 08/98
Charger failure
Nothing happens when charger is connected
Voltage at R103 is higher than 0.4 V
when the charger is connected
YES
YES
NO
Check CCONT (N100)
Check F101, L104
R104, R103
Display information: Not charging
Voltage at C120 is about 0.8 V
when the power is connected
BSI resistor should be 39 K
YES
NO
Check R120, R122,
battery connector
Voltage at C121 is about 0.5 V
when the power is connected
BTEMP resistor should be 47K
YES
32 Hz square wave at Chaps (N101) pin 7
Voltage levels at Chaps (N101) pins
5 and 12 same as VB (J232)
Voltage levels at Chaps (N101) pins
5 and 12 rise when charger is connected
YES
YES
YES
NO
Check R120, R122,
battery connector
NO
Check CCONT (N100)
NO
Check Chaps (N101)
NO
Check R131, N101