Motorola 880 Service Manual page 46

Dual Band 880/890 (DCS/GSM)
Table 8: GSM Logic/Processing Troubleshooting and Repair Chart
Logic/Processing
Symptom
1. Unit Doesn't
Turn On or
Stay On
38
Probable Cause
a) Battery either discharged or
defective.
b) Battery connector open or
misaligned.
68P09403A50
Verification and Remedy
1. Measure battery voltage across a 50 ohm
(>1 Watt) load.
2. If the battery voltage is <6 V DC, recharge
the battery using the appropriate battery
charger.
3. If the battery will not recharge, replace the
battery.
4. If battery is not at fault, proceed to b.
1. Visually inspect the battery connectors on
both the battery pack and the transceiver,
including the solder connections from the
battery connector to the main PC board.
2. Realign the contacts or, if necessary,
replace either the battery or battery
connector. Removing the battery connector
assembly has to be done with extreme care
to avoid damaging the PCB.
3. If battery connectors are not at fault,
proceed to c.
12/9/97