8 - 6
Yes
Yes
No
No
Yes
No
Yes
No
No
No
Yes
Yes
Cannot
transmite
Is
the 'TRANSMIT' lamp
turned on?
Is transmitting
power normal?
Are the control
functions(channel
indication & changing the
channe) well?
Replace CDE-885
Control PC board
Is transmitting
power normal?
Replace CMB-257 Tx
PC board
end
Is the RF
signal modulated?
Is there the
modulation signal at
J208-3 of CDE-885
Replace CDE-885
Control PC board
Replace CMB-257
Tx PC board
Replace CAH-559
PA PC board
7