Yamaha HTR-5560 Owners Manual - Page 58

Yamaha HTR-5560 Manual

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TROUBLESHOOTING Problem Cause Remedy Refer to page 42 No sound from the rear center speaker. "1C REAR LR" or "1D REAR CT" on the SET MENU is set to NON. The Dolby Digital EX decoder or the DTS-ES compatible decoder is not on. Select LRG or SML. Press the EX/ES button on the remote control to turn it on. Firmly connect the audio plugs. If the problem persists, the cables may be defective. Turn on the power to the component. 28 A "humming" sound can be heard. The volume level cannot be increased, or the sound is distorted. The sound effect cannot be recorded. A source cannot be recorded by a digital recording component connected to the DIGITAL OUTPUT jack of this unit. The sound field parameters and some other settings on this unit cannot be changed. This unit does not operate properly. Incorrect cable connections. 10 - 16 The component connected to the OUT (REC) jacks of this unit is turned off. - It is not possible to record the sound effect by a recording component. A source component is not connected to the DIGITAL INPUT jacks of this unit. Connect the source component to the DIGITAL INPUT jacks of this unit. - - "10 MEM. GUARD" in the SET MENU is set to ON. Set "10 MEM. GUARD" in the SET MENU to OFF. - The internal microcomputer has been frozen by an external electric shock (such as lightning or excessive static electricity) or by a power supply with low voltage. Speaker cables are short circuited. Disconnect the AC power cord from the outlet and then plug it in again after about 30 seconds. - "CHECK SP WIRES" appears on the front panel display. There is noise interference from digital or high-frequency equipment, or this unit. This unit suddenly turns into the standby mode. Make sure all speaker cables are connected correctly. - This unit is too close to the digital or high-frequency equipment. Move this unit further away from such equipment. - The internal temperature becomes too high and the overheat protection circuitry has been activated. Wait until this unit cools down and then turn it back on. - 54

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54
TROUBLESHOOTING
Problem
No sound from the rear
center speaker.
A “humming” sound
can be heard.
The volume level
cannot be increased, or
the sound is distorted.
The sound effect
cannot be recorded.
A source cannot be
recorded by a digital
recording component
connected to the
DIGITAL OUTPUT jack
of this unit.
The sound field
parameters and some
other settings on this
unit cannot be
changed.
This unit does not
operate properly.
“CHECK SP WIRES”
appears on the front
panel display.
There is noise
interference from digital
or high-frequency
equipment, or this unit.
This unit suddenly
turns into the standby
mode.
Cause
“1C REAR LR” or “1D REAR CT” on
the SET MENU is set to NON.
The Dolby Digital EX decoder or the
DTS-ES compatible decoder is not on.
Incorrect cable connections.
The component connected to the OUT
(REC) jacks of this unit is turned off.
It is not possible to record the sound
effect by a recording component.
A source component is not connected to
the DIGITAL INPUT jacks of this unit.
“10 MEM. GUARD” in the SET MENU
is set to ON.
The internal microcomputer has been
frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
Speaker cables are short circuited.
This unit is too close to the digital or
high-frequency equipment.
The internal temperature becomes too
high and the overheat protection circuitry
has been activated.
Remedy
Select LRG or SML.
Press the EX/ES button on the remote control to
turn it on.
Firmly connect the audio plugs. If the problem
persists, the cables may be defective.
Turn on the power to the component.
Connect the source component to the DIGITAL
INPUT jacks of this unit.
Set “10 MEM. GUARD” in the SET MENU to
OFF.
Disconnect the AC power cord from the outlet
and then plug it in again after about 30 seconds.
Make sure all speaker cables are connected
correctly.
Move this unit further away from such
equipment.
Wait until this unit cools down and then turn it
back on.
Refer
to page
42
28
10 – 16
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