Troubleshooting, English – Epson AVR-687 User Manual

Page 58

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18

Page

Measures

Cause

Symptom

Page

Measures

Cause

Symptom

Troubleshooting

ENGLISH

ENGLISH

Troubleshooting

If a problem should arise, first check the following.
1. Are the connections correct?
2. Have you operated the receiver according to the Operating Instructions?
3. Are the speakers and other components operating properly?
If this unit is not operating properly, check the items listed in the table below. Should the problem persist,
there may be a malfunction. Disconnect the power immediately and contact your store of purchase.

Display not lit and sound
not produced when
POWER switch set to
on.

• Power supply cord not plugged in

securely.

• Check the insertion of the power

supply cord plug.

Display lit but sound not
produced.

• Speaker cables not securely

connected.

• INPUT SELECTOR knob position is

not appropriate.

• Volume control set to minimum.
• MUTING is on.
• No digital signal is being input.

• Connect securely.

• Switch to the proper position.

• Turn volume up to suitable level.
• Switch off MUTING.
• Properly select a digital signal input

source.

8

19

19
20
41

Nothing is displayed on
monitor.

• AVR-687’s video output terminals and

monitor’s input terminals are not
properly connected.

• Monitor’s input setting is wrong.

• Player connected with component

terminal, TV connected with video
terminal (yellow) or S-Video terminal.

• Check that the connections are

correct.

• Set the monitor’s input selector to

the terminals to which video signals
are connected.

• Down-conversion is not possible for

progressive video signals.
Make the interlace settings on the
player.

9,

13 ~ 18

No DTS sound is
produced.

• DVD player’s audio output setting is

not set to bit stream.

• DVD player is not DTS-compatible.
• AVR-687’s input setting is set to

analog.

• Make the DVD player’s default

settings.

• Use a DTS-compatible player.
• Set to “AUTO” or “DTS”.

19

Copying from DVD to
VCR is not possible.

• Copying between a source such as

DVD and a VCR is not usually
possible, as DVDs are often encoded
with copy-protection signals that
prevent VCR recording.

• Copying is not possible.

This unit does not
operate properly when
remote control unit is
used.

• Batteries dead.
• Remote control unit too far from this

unit.

• Obstacle between this unit and

remote control unit.

• Different button is being pressed.

<

and

>

ends of batteries inserted

in reverse.

• Replace with new batteries.
• Move closer.

• Remove obstacle.

• Press the proper button.
• Insert batteries properly.

3
3

3

3

Power has turned off
and the power indicator
is blinking red.

• The set’s internal temperature has

risen and the protection circuit has
been activated.

• The core wires of the speaker cables

are touching each other or the AVR-
687’s rear panel, activating the
protection circuit.

• AVR-687 is malfunctioning.

• Put the AVR-687 in a well-ventilated

place.

• Turn off the power, then wait for the

set to fully cool off before turning the
power back on.

• Check the connections of all the

speaker cables.

• Turn off the power and contact a

DENON customer service center.

8

8

8

8

No test tones are
produced.

• Surround mode is set to a mode

other than STANDARD (Dolby/DTS
Surround).

• Set to STANDARD (Dolby/DTS

Surround).

No sound is produced
from surround speakers.

• Surround mode is set to “STEREO”.

• Set to a mode other than “STEREO”.

Sound is only produced
from the center speaker.

• You are playing a monaural source

(TV, AM radio broadcast, etc.) in the
STANDARD (Dolby/DTS Surround)
mode.

• When playing monaural sources,

select a surround mode other than
STANDARD (Dolby/DTS Surround)
mode.

29

“DOLBY DIGITAL” is not
displayed.

• DVD player’s digital audio output

setting is not proper.

• Check the DVD player’s audio output

setting.
For details, see the DVD player’s
operating instructions.

32

“CHECK ANTENNA” is
displayed in the XM
mode.

• AVR-687’s XM connectors and the

XM Passport System is not properly
connected.

• Check that the connection are

correct.

55

No sound is produced
from subwoofer.

• Subwoofer’s power is not on.
• Subwoofer’s initial setting is set to

“NO”.

• Subwoofer’s output is not connected.
• The subwoofer’s channel volume

level is set to “OFF”.

• Turn on the power.
• Set the setting to “YES”.

• Connect properly.
• Turn the subwoofer’s channel volume

level up.

45, 46

8

30

32

“NO SIGNAL” is
displayed in the XM
mode.

• The signal cannot be received.

• Reposition your XM Passport System.

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