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Motorola GM360 Service Information

Motorola GM360
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Controlhead GM380/1280 Troubleshooting Flow Chart 3-7
3.0 Controlhead GM380/1280 Troubleshooting Flow Chart
3.1 On/Off
R0854
Pin TAB1
when pressed
=5V ?
J0801 PIN2
> 10V ?
J0801 PIN2
=5V?
Check / Replace
Q0853 / R0853
YES
NO
YES
NO
YES
NO
Check / Replace
D0852 / R0852
Check / Replace
Volume Pot R0854
Check / Replace
Q0851
Radio can not be switched on via ON/OFF Volume Knob
YES
R0854
Pin TAB
= 5V?
NO
Check / Replace
R0855 / VR0855 / D0855
C0856
Press and hold
On / Off
Volume Knob

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Motorola GM360 Specifications

General IconGeneral
Power Output1-25 W (VHF), 1-25 W (UHF)
SignalingMDC1200, Quick Call II, DTMF
Channel Spacing12.5/20/25 kHz
Frequency Range403-470 MHz
DisplayAlphanumeric
Battery LifeNot applicable (mobile radio)

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