Motorola MTX series Theory/Troubleshooting Manual

33
TROUBLESHOOTING FLOW CHART
(800/900MHz Transceiver/Open Architecture Controller)
* Note: Assumes Power
Beep is Enabled
YES
Start
NO
MAEPF-23440-O
Good Power
Up Beep?*
Is There
TX Power?
Is TX
Deviation
OK?
NO
Press
Monitor
Audio
Noise?
No
Receive
Audio?
Poor
SINAD?
End
NO
Radio
Decoding?
Go to No Receiver
Audio Chart #6B
Go to
Chart #8B
Radio
Drawing
Stand-by Current
About 60mA?
Check Fuse,
Volume Switch
Go to No Receiver
Audio Chart #6B
Go to Controller
Chart #8B
Go to Transmitter
Chart #1B
NO
NO
YES
NO
YES
Go to No Receiver
RF Chart #2B
Go to DC Switch
Chart #3B
NO
YES
Is
RS
on?

Motorola MTX series Specifications

General

Brand	Motorola
Model	MTX series
Category	Portable Radio
Language	English