46
November 16, 2004
6809490A75-O
Troubleshooting
V635
Programming: Software Upgrade and Flexing
Contact your local technical support engineer for information about equipment and
procedures for flashing and flexing.
b) Transceiver board assembly
defective.
Replace the transceiver board assembly (refer
to 1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver
board assembly.
9. Vibrator feature not functioning.
a) Flip assembly defective
Replace the flip assembly with a known good flip
assembly. If fault has been cleared, reassemble
with the new flip assembly. If fault not cleared,
proceed to b.
b) Transceiver board assembly
defective.
Replace the transceiver board assembly (refer
to 1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver
board assembly.
10. Internal Charger not working.
Faulty charger circuit on transceiver
board assembly.
Test a selection of batteries in the rear pocket of
the desktop charger. Check LED display for the
charging indications. If these are charging
properly, then the internal charger is at fault.
Replace the transceiver board assembly (refer
to 1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver
board assembly.
11. Real Time Clock resetting when
standard battery is removed.
Lithium button cell in the display board
may be depleted.
Refer service to a Level 3 service center for
replacement.
12. No or weak audio when using headset. a) Headset not fully pushed home.
Ensure the headset plug is fully seated in the
jack socket. If fault not cleared, proceed to b.
b) Faulty jack socket on transceiver
board assembly.
Replace the transceiver board assembly (refer
to 1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver
board assembly.
Table 4. Level 1 and 2 Troubleshooting Chart (Continued)
SYMPTOM
PROBABLE CAUSE
VERIFICATION AND REMEDY
Summary of Contents for V635
Page 1: ...Level 1 and 2 Service Manual V635 Digital Wireless Telephone GSM 900 1800 850 1900 MHz GPRS ...
Page 2: ......
Page 4: ...4 November 15 2004 6809490A75 O Contents V635 ...
Page 18: ...18 November 17 2004 6809490A75 O General Operation V635 ...
Page 52: ...52 November 16 2004 6809490A75 O Part Number Charts V635 ...
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