Motorola GM360 Service Information

Controlhead GM160/360/660 Troubleshooting Flow Chart 3-5
2.3 Display
Power Up Alert Tone is OK, volume knob does operate,
indicator/backlight is on but nothing on display
YES
NO
YES
NO
V5 (against 5V)
TP0973 between
-6V and -7V ?
Activity on
Address & Data lines
A0 / D0..D7 / CS1
of U0971?
Check for shortage
U0831 / U0971
Check LCD Assembly
Check / Replace
C0971 / C0973 / R0972
R0973 / R0974 / U0971

Motorola GM360 Specifications

General

Power Output	1-25 W (VHF), 1-25 W (UHF)
Signaling	MDC1200, Quick Call II, DTMF
Channel Spacing	12.5/20/25 kHz
Frequency Range	403-470 MHz
Display	Alphanumeric
Battery Life	Not applicable (mobile radio)