Motorola i760, Field Service Manual

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BASIC LEVEL CHECKS AND SELF TESTS: Mechanical and Electrical Checks
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5. Power on the unit, and verify that the test SIM card works with the unit.
If the unit works, the customer’s SIM card is defective and should be replaced, or the problem is
due to operator error, system, or carrier. If the unit does not work, the unit is defective and
should be sent to the iDEN Radio Support Center.
NOTE: If a defective SIM card is replaced with a new card or test card, all personal
information (voice notes, datebook entries, etc.) that was stored on the original card
will be lost.
6. Install the customer’s SIM card in a test (reference) unit.
If the test unit works, the customer’s unit is defective and should be sent to the iDEN Radio
Support Center
5.5.2 Accessory Swap Test
Use this test to determine if the unit’s accessories are defective.
NOTE: When adding or removing accessories, the main screen displays “Device Attached” or
“Device Detached” and the external screen displays a similar message.
The Accessory Swap test time is approximately 5 minutes:
1. Remove the accessory and check the contact areas for foreign material, damage, or other
defects.
2. Replace the problem accessory with the reference accessory.
3. Verify the reference accessory works with the unit.
If the reference accessory works, the customer’s accessory is defective and should be replaced.
4. Verify the customer’s accessory works with a reference unit.
If the accessory works, the customer’s unit is defective and should be sent to the iDEN Radio
Support Center.
5.5.3 Lockup Test
Use this test to determine if the unit locks up when keys are pressed or when it is powered down.
The Lockup Test time is approximately 6 minutes:
1. Power up the unit.
2. Press End Call to clear display inputs.
3. Press each of the alphanumeric keys to see if the unit responds. If the unit does not respond to a
pressed key, remove the battery to cycle power on.
If the problem persists after several tries, replace the unit.