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September 9, 2011
68009482001
7-6
Troubleshooting Charts and Error Codes
Troubleshooting Charts
Figure 7-4.
Consolette does not Transmit or Receive - B
Yes
A
Yes
No
Yes
Yes
No
No
No
Yes
No
Apply standard test
signal to receiver
(see note)
Is the Speaker
Mute button ON?
With volume
turned up can 1kHz
tone be heard
at speaker?
Is the yellow
Busy LED active
on the O5?
Refer to RX Audio
Troubleshooting
section. It may be
necessary to replace
the Consolette
Mainboard.
Is O5 control
head present?
Turn Speaker
Mute OFF
STOP
Check internal RF
cabling of
Consolette and
verify proper RF
Band connected to
proper port. Refer
to model chart and
RF sticker on rear
panel as needed.
Check for receive
audio at the rear
panel of the
Consolette. For
example,
E/- at
J103 pins 1 and 2.
Is receive
audio present?
STOP
Note: Standard test signal is an on-channel signal at
-47 dBm (1 mV into 50 Ohms), modulated by a 1 kHz
tone at 60% of the maximum permissible frequency deviation.
Содержание APX 7500
Страница 1: ...APX TWO WAYRADIOS APX 7500 MULTI BAND CONSOLETTE DETAILED SERVICE MANUAL ...
Страница 4: ...Notes ...
Страница 96: ...September 9 2011 68009482001 4 26 Feature Operation Emergency Notes ...
Страница 116: ...September 9 2011 68009482001 6 10 Cabling Diagrams and Rear Panel Rear Panel Connector Pin Descriptions Notes ...
Страница 156: ...September 9 2011 68009482001 7 40 Troubleshooting Charts and Error Codes Troubleshooting Charts Notes ...
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