Acesonic SURROUND-SOUND UPCONVERSION DVD KARAOKE RECEIVER WITH HDMI SWITCHING - Manual (Page 25)

15. Trouble shooting guide
24
Incorrect operations are often mistaken for trouble and malfunction. If you suspect that
something is wrong with the unit, check the list below. Sometimes, the troubles lie within
another component. Remember to try inspecting other component and electrical appliances
in use. If the trouble can not be rectified even after exercising the steps list below, call
Acesonic servic center +1(626)820-0670 to inquire about repairs.
Problem
The display dose not
light and no sound output
Display lights but sound
is not produced
No sound from Center channel
Sound from one channel only
Card does not play
Disc does not play
No picture
Bluetooth un-connect
Bluetooth connect
but silent
Sound channel no sound
Instrument sound reversed
in stereo playback
Receiver dose not operate
correctly with Remote
Power cord not plugged
in securely
Speaker connections not secure
Volume control at minimum level
Input incorrect
Speaker connections not secure
Center channel volume set
to minimum
Speaker connections not secure
Input/Output connections
Left/Right balance off
Loaded incorrect
Loaded incorrect
TV/Monitor connections not secure Connect securely
Bluetooth device is too far Distance up to 10m
Press the key BLUETOOTH
with A2DP Profile
Connect the playing device
Pairing the correct password
Media player is on
Media player playing with
sound card
Media player is off
Media player playing without
sound card
from the system
Bluetooth function is turn off
No A2DP profile is built in the device
Other Bluetooth device is connected
Pairing the incorrect password
Disc is not clean
Speaker connections not secure
Surround channel volume set
to minimum
Incorrect speaker polarity
Incorrect input polarity
Batteries dead
Batteries inserted incorrectly
Remote too far from receiver
Obstacle between remote and receiver
Incorrect button being used
Check power cord &
plug connection
Connect securely
Turn volume up
Select the input to played mode
Connect securely
Adjust Center channel
volume control
Connect securely
Connect securely
Adjust balance control
Make the card is loaded
correctly
Make the card is loaded correctly
Change the disc
Connect securely
Adjust Surround channel
volume control
Ensure+ and - connections
are connections
Ensure+ and - connections
are connections
Replace batteries
Check are correct
Use closer
Remove obstacle
Use correct button
Possible Cause Suggested Solution
Caution:
Abnormal activity of this unit can be caused by static electricity, or other external interference.
To restore normal operation, unplug the AC power cord and plug it in again.