Integra DTR-7.4 ユーザーズマニュアル
100
Troubleshooting Guide
—Continued
Symptoms
Causes
Remedies
FM/AM TUNER
Crackling noise on both
AM and FM stations.
AM and FM stations.
Noise caused by fluorescent lamp being
turned on and off.
turned on and off.
Move antenna as far as possible from the fluores-
cent lamp.
cent lamp.
Noise from automobile ignition.
Install an FM outdoor antenna as far as possible
from the road (See page 15).
from the road (See page 15).
Change the position or direction of the outdoor antenna.
Stereo indicator lights, but
sound is distorted and ste-
reo separation is bad.
sound is distorted and ste-
reo separation is bad.
Station is too strong.
Change to FM indoor antenna (See page 14).
Multiple reflection of the radio waves
because of tall buildings or mountains.
because of tall buildings or mountains.
Use antenna that has better directivity and orient it
so distortion decreases.
so distortion decreases.
Indicators for stereo recep-
tion flicker and hiss is
heard on FM stations.
tion flicker and hiss is
heard on FM stations.
Station is too weak.
Install an outdoor FM antenna (See page 15).
Stereo FM broadcasts cover only about
half the distance of an ordinary broadcast.
half the distance of an ordinary broadcast.
Change the position or direction of the outdoor
antenna (See page 15).
antenna (See page 15).
No preset station is
recalled.
recalled.
Memory is lost because power has been
turned off for a long time.
turned off for a long time.
Store all stations again (See page 49).
VIDEO and A
UDIO
Desired picture does not
appear.
appear.
Improper connection.
Check connections. Insert the plugs and connec-
tors completely (See pages 20 to 23).
tors completely (See pages 20 to 23).
Video Setup Sub-menu settings are incor-
rect.
rect.
Check settings at Setup Menu
→ Input Setup
Menu
→ Video Setup Sub-menu (See page 38).
No OSD Menu display.
Improper connection.
Check connections (See pages 20 to 23).
Audio and video do not
match.
match.
Improper connection.
Check connections (See pages 20 to 23).
Video Setup Sub-menu settings are incor-
rect.
rect.
Check settings at Setup Menu
→ Input Setup
Menu
→ Video Setup Sub-menu (See page 38).
Audio is not heard or audio
from different source is
heard.
from different source is
heard.
Digital Setup Sub-menu settings are
incorrect.
incorrect.
Check settings at Setup Menu
→ Input Setup
Menu
→ Digital Setup Sub-menu (See page 36).
No picture appears on the
TV screen (or monitor).
TV screen (or monitor).
TV (or monitor) is not set to receive the
output signals from the receiver.
output signals from the receiver.
Set the TV (or monitor) to the receiver input.
Video connection cable is not connected securely.
Check connections (See pages 20 to 23).
Input source is connected to the COMPO-
NENT VIDEO IN connectors.
NENT VIDEO IN connectors.
Make sure TV (or monitor) is connected to COM-
PONENT VIDEO OUT connectors (See page 20).
PONENT VIDEO OUT connectors (See page 20).
NET A
UDIO
Fails to activate the Inter-
net radio or music server
feature.
net radio or music server
feature.
Imperfect network connection.
Check the connection between this unit and the LAN
side port of your router (gateway) (See page 73).
side port of your router (gateway) (See page 73).
Make sure that the modem and router (gateway)
are correctly connected. Also, make sure that the
power is on (See page 73).
are correctly connected. Also, make sure that the
power is on (See page 73).
Make sure that the Network Setup is configured
properly (See pages 76 to 79).
properly (See pages 76 to 79).
The playback sound dis-
continues while using the
Music Server.
continues while using the
Music Server.
Excessive load on the network or server.
Or processor-intensive applications
including word processor and spreadsheet
are running.
Or processor-intensive applications
including word processor and spreadsheet
are running.
Make sure that your system satisfies all the system
requirements listed on page 72.
requirements listed on page 72.
When you play WAVE files on multiple DTR-7.4,
the playback sound may discontinue because of net-
work overload. In this case, deploying another inde-
pendent LAN dedicated to the Net Audio to separate
it from the general LAN connection, or adding a
switching hub or router to improve network traffic
may resolve the problem.
the playback sound may discontinue because of net-
work overload. In this case, deploying another inde-
pendent LAN dedicated to the Net Audio to separate
it from the general LAN connection, or adding a
switching hub or router to improve network traffic
may resolve the problem.
The unit fails to obtain a
station list from an Inter-
net radio site (via the XiVA
internet Radio Service).
station list from an Inter-
net radio site (via the XiVA
internet Radio Service).
The radio site is now out of service or oth-
erwise inaccessible due to some other rea-
son such as maintenance.
erwise inaccessible due to some other rea-
son such as maintenance.
Try to access the site again at a later time.