Troubleshooting Charts - Motorola APX 7500 Detailed Service Manual

Troubleshooting Charts and Error Codes Troubleshooting Charts
7.2

Troubleshooting Charts

No power connected
and the power switch
on the rear panel
Connect the AC
power cable and
turn on the power
switch.
Connect 12VDC to
the Consolette
from a battery or
power supply.
No
yellow power on LED
See Mainboard
voltage
troubleshooting
chart.
Consolette power
Note 1: For Limited Front Panel models (L998_Option),
the Ignition setting in the radio must be programmed for
"Ignition Only" to allow the Consolette to power up
completely via the power switch on the rear panel.
Figure 7-1. Consolette does not power On or Off - A
68009482001
Is AC
No
on?
Yes
Is the
lit up?
Yes
Replace the
supply unit.
Consolette does
not appear to be
on.
Is the
green power on
LED lit
up?
Yes
Push the power
button on the O5
control head. (see
Note 1)
Yes
Does the
Consolette power up
fully?
No
Is the
Yes
Aux display on and
the O5 display
off?
No
Is the Yes
Aux display off and
the O5 display
on?
No
A
In order to power on/off the
Consolette by the power switch on
the rear panel only, the Ignition
setting of the radio must be
programmed to "Ignition Only".
Check the O5 Control Head
cabling and connections. Check
F401. Replace O5 Control
Head.
Check and replace the Display
flex cable and/or the LCD
module as needed. Refer to the
voltage troubleshooting chart.
September 9, 2011
7-3