Troubleshooting - Technics SE-R1 Operating Instructions Manual

Using the system control
function
You can operate this unit and the SU-R1 simultaneously with
ease on the remote control of the SU-R1.
Preparation
1 Connect this unit and the SU-R1 with cables for system
control. ( 10)
2 Set the input selector knob to [DIGITAL]. (
3 Press the unit on/off button on this unit and the SU-R1 to
the [ ] position.
4 If "Digital Link" is set to "Off" on the SU-R1, change the
setting to "On".
∫ Switching this unit and the SU-R1 to
on/standby simultaneously
≥ If you point the SU-R1's remote control at the SU-R1 and
press [Í] when this unit and the SU-R1 are in standby
mode, this unit and the SU-R1 will be turned on
simultaneously.
≥ If you point the SU-R1's remote control at the SU-R1 and
press [Í] when this unit and the SU-R1 are turned on, this
unit and the SU-R1 will simultaneously enter standby
mode.
∫ Measuring the characteristics of the
amplifier and correcting its output
You can operate using the SU-R1's remote control. (
≥ For information on the operations of the SU-R1, please also refer
to its operating instructions.
14
(14)

Troubleshooting

Before requesting service, make the following checks. If you
are uncertain about some of the check points, or if the
solutions indicated in the following guide does not resolve
the issue, then consult your dealer for instructions.
To return all settings to the factory defaults
When the following situations occur, reset the memory:
≥ There is no response when buttons are pressed.
≥ You want to clear and reset the memory contents.
When the unit is off:
1 Press and hold [DIMMER].
2 While continuing to hold [DIMMER], press the unit
13)
on/off button.
≥ Keep holding [DIMMER] until the power indicator and the
Heat buildup of this unit.
≥ This unit becomes warm when the volume is high. This is
not a malfunction.
A "humming" sound can be heard during playback.
≥ An AC mains lead or fluorescent light is near the cables. Keep
other appliances and cords away from the cables of this unit.
≥ A strong magnetic field near a TV or other device may
adversely affect the audio quality. Keep this unit away from
such devices.
≥ The speakers may output noise when a device nearby is
emitting powerful radio waves, such as when a mobile
phone is on a call.
No sound.
≥ Check connections to speakers and other equipment.
After checking the connections, measure the
13)
characteristics of the amplifier. (
≥ Check to see if the correct input source is selected.
≥ Insert the plugs of the cables to be connected all the way in.
≥ Set the speaker selector knob to other than [OFF]. (
The peak power meter does not operate.
≥ In the following cases, this meter does not operate:
– When the peak power meter light is turned off by pressing [DIMMER].
– When this unit is muted by pressing [MUTE] on the SU-R1's remote
control. (Only when the input selector knob is set to [DIGITAL].)
– When the speaker selector knob is set to [OFF].
The system control function is not working.
≥ Connect the cables to the matching LR terminals on this
unit and the SU-R1.
The unit turns off automatically.
≥ Is the auto off function turned on? (
≥ If the SU-R1 is connected to this unit via the system control
function, this unit may automatically enter standby mode
when the SU-R1 enters standby mode. (
≥ This unit incorporates a protection circuit to prevent damage
caused by heat buildup. When you use this unit at a high volume
level for a long period of time, it may turn off automatically.
Wait for this unit to cool down before turning on this unit
again. (For approximately 3 minutes)
LAPC indicator blink twice.
13)
13)
7)
10, 14)