September 9, 2011 68009482001
7-22 Troubleshooting Charts and Error Codes Troubleshooting Charts
Figure 7-20. Headset 2 RX Audio
Apply an on-channel signal at -47dBm,
modulated by a 1kHz tone at 60% rated
system deviation, to the Consolette receiver.
Is there a 1kHz,
~100mVrms tone at C1802
on the Consolette
Mainboard?
Reprogram/Replace
Consolette Mainboard.
Are the APX7500
mobile & O5 control head
operating properly?
Refer to the APX7500
Detailed Service
Manual for correct
operation and
troubleshooting.
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Can the O5 volume
knob be adjusted to get a 1kHz,
~100mVrms tone across J12-7
& J12-3?
STOP
Is the RX Codec Adjustment
in the Consolette Configuration
properly tuned?
Refer to the “Receive
Audio Tuning –
RX_AUDIO” section of
the manual.
Connect a 150 Ohm load across Headset 2
Connector pins HDST2_SPKR+ (J12-7) &
HDST2_SPKR- (J12-3). Mute the local
speaker using the Speaker Mute Button.
Is there continuity
between C1802 on the
Mainboard & J12-7 on the
high speed board?
Verify HDST2_SPKR+ is being
routed properly from C1802
through the flex cable & high
speed board to J12-7.
STOP
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