Caltta PM790, Maintenance Manual

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PM790 Radio Maintenance Manual
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6.5 Power On Failure and Current Below 1A ................................................................................ 36
6.6 Power On OK and USB Failure ................................................................................................ 36
6.7 GPS Failure .................................................................................................................................. 37
6.8 Control Panel Troubleshooting ................................................................................................. 37
6.8.1 LCD No Display ............................................................................................................. 37
6.8.2 Bluetooth Failure ........................................................................................................... 38
6.8.3 Keypad Failure .............................................................................................................. 39
6.8.4 No Sound (Speaker) Failure ....................................................................................... 40
6.8.5 Remote Speaker Microphone Failure ........................................................................ 41
6.9 No Voice Failure .......................................................................................................................... 41
6.10 No Sound (Speaker) Failure ................................................................................................... 42
7 Check After Maintenance ................................................................................................................... 42
7.1 Check Latest Firmware Version and Device Information ..................................................... 42
7.2 Function Check ............................................................................................................................ 42