2-1
WRR-802A (U)
Section 2
Service Overview
2-1. Boards Location
2-2. Error Messages
The following error messages will appear if an error is detected by the built-in self diagnostics function of the WRR-802A.
Error message
Comments
Countermeasure
Err 01
Error the backup memory
Because data is initialized, perform the group setting, channel setting again.
Check the tuner unit then fix a faulty section, and perform “3. Electrical
Alignment” if there is an error message even when the setting had been
completed again.
Err 02
PLL synthesizer circuit failed
Malfunction of tuner unit.
Check the tuner unit then fix a faulty section, and perform “3. Electrical
Alignment”.
NO TONE
As no tone signal is available or a
Make sure that the transmitter is turned on. If it is, then the problem lies in the
tone signal other than 32.768 kHz
transmitter’s tone signal generator or the tuner’s tone squelch circuit.
is being received, the audio signal
If you are using a WRT-810A wireless microphone, a “NO TONE” message
output is muted.
appears when you turn off the AF switch, but this is normal.
.
To check the characteristics, perform “3-2-2. Overall Characteristic
Confirmation”.
If there are out of characteristics, tuner unit may defect.
.
Check the tuner unit then fix a faulty section, and perform “3. Electrical
Alignment”.
MB-872
CN-1922
CN-1923
RE-176
Tuner Unit
VR-261
DP-305
RF-92
