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P8088
9. Internal Charger not working
10. No / Weak audio when using
headset
6.5
Software Upgrade
For information on setting up and equipment required for the flashing of software, contact should be
made with the local technical support engineer.
6.6
Flexing
For information on setting up and equipment for flexing, contact should be made with the local
technical support engineer.
6.7
Testing on HP8922
HP8922 GSM
Test Set
30
of 48
b) Reed Switch defective
c) Logic/RF Board Assembly
Defective.
a) Faulty charger circuit on main
Board.
a) Headset not fully pushed
home
b) Faulty Jack plug adapter
b) Faulty Jack Socket /
Defective PCB
European Customer Services
Gain access to Display PCB as described in the
DISASSEMBLY instructions in this manual.
Unsolder the reed switch and replace with a known
good one. Reassemble unit. Place call to portable
phone and verify ability to answer by opening flip. If
fault still present, replace original reed switch and
proceed to c.
Replace Logic/RF Board Assembly (refer to
symptom 1d). Verify that the
Fault has been cleared and re-assembles the unit with
the new PCB.
Test a selection of batteries in the rear pocket of the
desktop charger.
Check LED display for the charging indications. If
these are charging ok,
then the internal charger is at fault.
Replace Logic/RF Board Assembly (refer to
symptom 1d). Verify that the
Fault has been cleared and re-assembles the unit with
the new PCB.
Fully ensure the ' click' is felt on the jack socket.
Replace Jack plug adapter with known good part and
recheck audio quality, if still poor quality proceed to
c)
Replace Logic/RF Board Assembly (refer to
symptom 1d). Verify that the
fault has been cleared and re-assemble the unit with
the new PCB.
Power Supply
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