Motorola C25 Panduan Servis - Halaman 41

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Level 1 and 2 Service Manual

Table 3. PF C25 and C43 Telephones: Level 1 and 2 Troubleshooting Chart (Continued)

SYMPTOM

7. Telephone will not recognize or accept

SIM card.

8. Vibrator feature not functioning.

9. Internal Charger not working.

10. No or weak audio when using headset. a) Headset plug not fully inserted.

6881039B15

PROBABLE CAUSE

b) Transceiver board assembly

defective.

a) SIM card defective.

b) Transceiver board assembly

defective.

a) Vibrator defective.

b) Transceiver board assembly

defective.

Faulty charger circuit on transceiver

board assembly.

b) Faulty jack on transceiver board

assembly.

August 01, 2001

VERIFICATION AND REMEDY

Replace the transceiver board assembly (refer

to 1c). Verify that the fault has been cleared and

reassemble with the new transceiver board

assembly.

Check the SIM card contacts for dirt. Clean if

necessary, and check if fault has been cleared.

If the contacts are clean, insert a known good

SIM card into the telephone. Power up the unit

and confirm that the card has been accepted. If

the fault no longer exists, replace the defective

SIM card. If the SIM card is not at fault, proceed

to b.

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.

Replace vibrator as described in the

procedures. If the fault has not been cleared,

proceed to b.

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.

insert a known good discharged battery.

Connect a known good charger and verify

battery is being charged. If fault still present,

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.

Ensure the headset plug is fully seated in the

jack.

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.

Troubleshooting