Panasonic DX-600 Service Manual page 102

4.3.6. Information Code: 434
START
Is communication with the
reference unit successful?
Does the trouble occur
regardless of the remote unit?
The telephone line may have
a high level of white noise
and/or frequent impulse noise.
Ask the telephone company
to check the line.
END
Edition 1.0
No
Yes Replace the SC PCB.
No
Can the transmitter in
Yes
question transmit to the
other units?
Change the parameter in Service Mode 1.
(Refer to Sect. 5.1.2.)
Yes
No
for transmitter: #010: Increase Tx Level
for receiver : #011: Reduce Rx Sensitivity Level
102
Check the remote unit in
question.
(Remote unit is defective)
DX-600/800
APR 2002