Troubleshooting - Sony MHC-VX777 Operating Instructions Manual

If color irregularity is observed...
Turn off the TV set once, then turn it on after 15 to 30
minutes.
If color irregularity is observed
again...
Place the speakers farther away from the TV set.

Troubleshooting

If you run into any problem using this unit, use
the following check list.
First, check that the power cord is connected
firmly and the speakers are connected correctly
and firmly.
Should any problem persist, consult your
nearest Sony dealer.
General
The display starts flashing as soon as you plug
in the power cord even though you haven't
turned on the power (demonstration mode).
Press DISPLAY when the power is turned off.
The demonstration mode appears automatically the
first time you plug in the power cord or if there is a
power outage.
The clock setting is canceled.
• The power cord is disconnected or a power
failure occurs. Redo "Setting the time" (on page
8). If you have set the timer, redo "Waking up to
music" (on page 27) and "Timer-recording radio
programs" (on page 21).
The radio presetting/timer setting is canceled.
• The power cord is disconnected or a power
failure occurs for longer than half a day. Redo
"Presetting radio stations" (on page 17).
There is no sound.
• Turn VOLUME clockwise.
• The headphones are connected.
• Insert only the stripped portion of the speaker
cord into the SPEAKER jack. Inserting the vinyl
portion of the speaker cord will obstruct the
speaker connections.
• The protective device on the amplifier has been
activated because of short circuit. ("PROTECT"
and "PUSH POWER" flash alternately.) Turn off
the unit, eliminate the short-circuit problem and
turn on the power again.
• There is no audio output during timer recording.
10ADD_MHC-VX777/VX555.p65 GB
There is severe hum or noise.
• A TV or VCR is placed too close to the stereo
system. Move the stereo system away from the
TV or VCR.
The sound from the connected source is
distorted.
• If "VIDEO" appears in the display when you
press MD (VIDEO), switch the display to "MD"
(see "Note: Connecting MD deck/VCR" on page
28).
"-- --:-- --" flashes in the display.
• A power interruption occurred. Set the clock and
timer settings again.
The timer does not function.
• Set the clock correctly.
DAILY 1 SET, DAILY 2 SET and REC SET do not
appear when you press the CLOCK/TIMER SET
button.
• Set the timer correctly.
• Set the clock.
The remote does not function.
• There is an obstacle between the remote and the
system.
• The remote is not pointing in the direction of the
system's sensor.
• The batteries have run down. Replace the
batteries.
There is acoustic feedback.
• Decrease the volume level.
• Move the microphone away form the speakers or
change the direction of the microphone.
The color irregularity on a TV screen persists.
• Turn off the TV set once, then turn it on after 15
to 30 minutes. If the color irregularity still
persists, place the speakers farther away from the
TV set.
"PROTECT"and "PUSH POWER" appear
alternately.
• A strong signal was input. Press ?/1 to turn off
the power, leave the system turned off for a
while, then press ?/1 again to turn on the power.
• Check the speaker cables in case "PROTECT"
and "PUSH POWER" appear alternately again
after you turn the system on.
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MHC-VX777/VX555/VX555J 4-232-651-12 (1)
13/03/2001, 5:00 PM
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