Operating instructions

3-8
D. TROUBLESHOOTING PROCEDURES (cont'd)
Trouble Probable Cause Recommended Action
One channel fails. Defective power amplifier or wiring for that
channel.
Malfunctioning module in CP45.
Place the CP45 in bypass. All three screen
speakers should become active. If not, there is a
fault in the power amplifier or wiring for the
missing channel.
Check if the amplifier concerned is on and
check for blown fuses.
Check that the wiring from the CP45 to the
amplifier or the loudspeaker wiring have not
been broken or disconnected; check that the
screws connecting the wiring on the back panel
are properly tightened.
If the power amplifier and the wiring are
satisfactory, the problem is a malfunctioning
module in the CP45; Switch to bypass and call
service engineer.