Motorola T2260, Service Manual

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72 4/3/01
CDMA 800/1900
3. Display is erratic, or
provides partial or nodis-
play.
a) Defectivedisplay module.
b) RF/Audio-Logic board
defective.
1. Gain access to RF/Audio-Logic board or keypad board as
described in the “Disassembly” section of this manual.
2. Check connection. If connection not at fault, proceed to b.
Replace the RF/Audio-Logic Board (refer to
symptom 1f Verification and Remedy).
4. Alert ringer volume is
distorted or too low.
a) Alert ringer
defective.
b) RF/Audio-Logic board
defective.
Replace the defective speaker or alert ringer with a known
good speaker or alert ringer.
Replace the RF/Audio-Logic Board (refer to symptom 1f Ver-
ification and Remedy).
5. Transmit audio is weak,
distorted, or dead.
a) Microphonedefective.
b) RF/Audio-Logic board
defective.
Replace defective microphone.
Replace the RF/Audio-Logic Board (refer to
symptom 1f Verification and Remedy).
6. Receive audio is weak
and/or distorted.
a) Speaker defective.
b) RF/Audio-Logic board
defective.
Replace defective speaker.
Replace the RF/Audio-Logic Board (refer to symptom 1f Ver-
ification and Remedy).
Symptom Probable Cause Verification and Remedy