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C-V750 (En/T)
Sound is not output or the volume level is
low.
“PROTECT” blinks and sound is not output.
Sound is not output from one of the speak-
ers.
Sound is not output from the surround
speaker and/or center speaker, or their
sound is very small.
System control is not available when TAPE1
or MD is selected.
System control is not available when DVD
or 6ch INPUT is selected.
System control is impossible.
Note
Note
In case of difficulty
What appears to be a mulfunction may not always be serious. If your unit should not perform as expected, consult the table
below to see if the problem can corrected before seeking help from your dealer or service representative.
How to reset the microcomputer
The microcomputer may malfunction (impossibility of operation,
erroneous display, etc.) when the power cord is unplugged and
plugged in again while the unit is in ON mode with the
key
pressed or due to other external causes. In this case, execute the
procedure on the right to reset the microcomputer and return the
unit to the normal condition.
1Unplug the power cord from the wall outlet.
2While holding the
(ON/STANDBY) key depressed,
plug the power cord into the wall outlet again.
÷ Resetting the microcomputer clears the memory you entered and
returns it to the initial condition when the unit left the factory.
÷ Connection cords are unplugged from the jacks.
÷ MUTE is ON.
(The MUTE ON indicator is blinking)
÷ The TAPE 2 (MONITOR) key is set to ON.
÷ The selected surround mode does not match
the input signal.
÷ Speaker cords are short-circuited.
÷ The BALANCE control is set to an extreme
position.
÷ The surround speaker cords and/or center speaker
cord are disconnected.
÷ The Surround play mode has not been engaged.
÷ The surround and center speaker levels are set to
the minimum positions.
÷ “TAPE1” or “MD” is not displayed.
÷ “DVD” or “6ch INPUT” is not displayed.
÷ System control cords are connected incorrectly.
÷ Connect them properly referring to “System
connection”.
58
÷ Press the MUTE key to OFF. ¢
÷ Set the TAPE 2 (MONITOR) key to OFF.
÷ Select the surround mode according to the
input signal.
·
÷ Unplug the AC cord, remove the short-circuit-
ing and plug the AC cord again.
÷ Adjust the Left/Right balance.
£
÷ Connect them by referring to the power
amplifier’s instruction manual.
÷ Set the presence mode.
°
÷ Adjust the surround and center speaker lev-
els.
÷ Switch the display to “TAPE 1” or “MD”.
0
÷ Switch the display to show “DVD” or “6ch
INPUT”.
0
÷ Connect them correctly by referring to “Sys-
tem connection”.
RemedyCause
Amplifier
Symptom
RemedyCause
÷ No antenna is connected.
÷ The broadcast band is not set properly.
÷ The frequency of the desired station is not
tuned.
÷ Noise due to ignition noise of an automobile.
÷ Noise due to an influence from an electric
appliance.
÷ Noise due to a nearby TV set.
÷ The preset memory was cleared because the
power cord had been unplugged for a long
period of time.
÷ The TUNER input is not selected.
Radio stations cannot be received.
Interference.
A station which was preset cannot be re-
ceived by pressing the corresponding nu-
meric key.
÷ Connect an antenna.
9
÷ Set the broadcast band properly. §
÷ Tune the frequency of the desired station.
§
÷ Install the outdoor antenna away from the
road.
÷ Turn off the power to the appliance.
÷ Install the system farther away from the TV
set.
÷ Preset the stations by auto memory again.
•
÷ Select the TUNER input.
Tuner
Symptom
Donot use contact cleaning agents because they could case a malfunction. Be specifically careful against using contact cleaning agents
containing oil, since they may deform the plastic components.