Sony 190 Manual

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MHC-GX470/RG590S/RG490S/RG290/RG190.GB.2-668-367-12(1)
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Troubleshooting
Make sure the power cord and speaker 
cords are correctly and firmly connected.
Find your problem in the checklist below, 
and take the indicated corrective action. 
If the issue persists, contact your nearest 
Sony dealer.
If the STANDBY indicator flashes
Immediately unplug the power cord, and 
check the following item.
•  If your system has a voltage selector, is the 
voltage selector set to the correct voltage?
•  Are the + and – speaker cords short-
circuited?
•  Are you using only the supplied speakers?
•  Is anything blocking the ventilation holes 
on the back of the system?
After the STANDBY indicator 
 stops 
flashing, reconnect the power cord, and turn 
on the system. If the issue persists, contact 
your nearest Sony dealer.
General
The display starts flashing as soon as 
you plug in the power cord even though 
you have not turned on the system.
• Press DISPLAY 
 twice while the system is 
off. The demonstration disappears.
Sound comes from one channel, or the 
left and right volumes are unbalanced.
•  Place the speakers as symmetrically as 
possible.
•  Connect only the supplied speakers.
Sound lacks bass.
•  Check that the striped (or solid) cord is 
connected to the speaker’s – (or +) jack 
correctly.
Severe hum or noise.
•  Move the system away from sources of 
noise.
•  Connect the system to a different wall 
socket.
•  Install a noise filter (available separately) to 
the power cord.
The remote does not function.
•  Remove any obstacles between the remote 
and the remote sensor 
 on the unit, and 
position the unit away from fluorescent 
lights.
•  Point the remote at the system’s sensor.
•  Move the remote closer to the system.
CD/MP3 player
The sound skips, or the disc will not 
play.
•  Wipe the disc clean, and replace it.
•  Move the system to a location away from 
vibration (for example, on top of a stable 
stand).
•  Move the speakers away from the system, 
or place them on separate stands. At high 
volume, speaker vibration may cause the 
sound to skip.
Play does not start from the first track.
•  Press PLAY MODE 
 repeatedly until both 
“PGM” and “SHUF” disappear to return to 
normal play.
Starting playback takes more time than 
usual.
•  The following discs take a longer time to 
start playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in multisession mode.
– a disc that has not been finalized (a disc to which 
data can be added).
– a disc that has many folders.
Tuner
Severe hum or noise, or stations cannot 
be received. (“TUNED” or “STEREO” 
flashes on the display.)
•  Connect the antenna properly.
•  Find a location and an orientation that 
provide good reception, and then set up the 
antenna again.
•  Connect a commercially available external 
antenna.
•  Turn off nearby electrical equipment.
Continued