Motorola V120x Instruction Manual page 65

120X
Symptom
3. Display is erratic,
or provides partial or
nodisplay.
4. Alert ringer volume
is distorted or too low.
5. Transmit audio is
weak, distorted, or
dead.
6. Receive audio is
weak and/or
distorted.
Probable Cause
a) Defective display
module.
b) RF/Audio-Logic
board defective.
a) Alert defective.
b) RF/Audio-Logic
board defective.
a) Microphone defec-
tive.
b) RF/Audio-Logic
board defective.
a) Speaker defective.
b) RF/Audio-Logic
board defective.
Product Support Tools
Verification and Remedy
1. Disassemble the display and reassemble to check
the connection. If it does not recover, check the
transceiver board.
2. Check connection. If connection not at fault,
proceed to b.
Replace the RF/Audio-Logic Board
1. Replace the defective alert with a known good
alert.
2. Replace the RF/Audio-Logic Board
1. Replace defective microphone.
2. Replace the RF/Audio-Logic Board
1. Replace defective speaker.
2. Replace the RF/Audio-Logic Board
65 1/15/02