Level 3~Level 4 Repair - BenQ March Service Manual

BenQ
8.Can' t Battery or charger is
charge at fault
△ Level 3~ level 4 repair
Symptom Probable Cause
1.Unit a) Battery either
doesn' t turn discharged or
on defective.
b) Battery connector
open or misaligned.
c) Shield case short
with components
1. Use the correct battery and charger to
check the charge function.
2.If charging function is ok, the battery or
charger is illegal.
Verification and Remedy
2. Measure battery voltage. If the battery
voltage is <3.2V, recharge the battery
using the appropriate battery charger.
3. If the battery can' t be recharge, replace
the battery.
4. If the battery is not at fault, proceed to
b.
1. Visually inspect the battery connectors
on both the battery pack and the unit.
2. Disassembly to check the battery
connectors if it misaligned or short with
the RF or Base-band shielding cases. If
necessary, replace either the battery or
battery connector.
3. If the battery connectors are not at fault,
proceed to c.
1. Visually inspect the RF/BB shielding
case. If they become deformed, replace
the shielding case.
2. If the shielding case are not at fault,
proceed to d.
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Rev 1.0