8 - 5
No
Yes
Yes
No
No
Yes
No
Yes
Cannot
receive
Are
the control
functions (channel
indication & changing
the channe)
well?
Replace CDE-885
Control PC board
Replace CMA-705
Rx PC board
Is
the RECEIVE lamp
turned
on?
Replace CDE-885
Control PC board
Is there
demodulated signal
at IC5-7 of
CMA-705
Set the output of SG
Level: 10dBu
Frequency: Rxf
Modulation freq: 1kHz
Deviation: 3.0kHz
Is there the
receiving signal at
loud speaker?
Restore the
original
CDE-885 Control
PC board
end
Connect the SG
to the Rx ant
terminal
7