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Motorola GM360 Service Information

Motorola GM360
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Chapter 3
TROUBLESHOOTING CHARTS
1.0 Controlhead GM140/340/640 Troubleshooting Chart
1.1 On/Off
Radio can not be switched on via ON/OFF Volume
NO
YES
YES
NO
R0823 Pin TAB
= 5V ?
R0823 Pin TAB1
when pressed
= 5V ?
Check / Replace
Volume Pot R0823
Check / Replace
R0822 / VR0822 /
D0822
NO
YES
J0801 Pin 2
> 10V ?
Check / Replace
Q0821
Check / Replace
Q0822 / R0821
YES
NO
J0801 Pin 2
=5V ?
Check / Replace
D0821 / R0852
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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