Additional Information Troubleshooting - Sony MHC-V90DW Operating Instructions Manual

Additional Information
Troubleshooting
Should you encounter a problem
with your system, find your problem
in the troubleshooting checklist
below and take the corrective
action.
If the problem persists, consult your
nearest Sony dealer.
Note that if the service personnel
changes some parts during repair,
these parts may be retained.
If "PROTECTx CHECK MANUAL"
appears on the display
("x" is a number)
Immediately unplug the AC
power cord (mains lead), and
check if anything is blocking the
ventilation openings of the unit.
After you have checked and
found no problems, reconnect
the AC power cord (mains lead),
and turn on the system. If the
issue persists, contact your
nearest Sony dealer.
General
The power does not turn on.
Check that the AC power cord
• •
(mains lead) is connected securely.
The system cannot be turned off
even though  is pressed.
You may have set the display
• •
mode to the demonstration mode
unintentionally. Press DISPLAY
repeatedly to select Power Saving
Mode (page 29).
The system has entered standby
mode.
This is not a malfunction. The
• •
system enters standby mode
automatically in about 15 minutes
when there is no operation or
audio signal output (page 67).
There is no sound.
Adjust the volume.
• •
Check the connection of the
• •
optional equipment, if any
(page 21).
Turn on the connected equipment.
• •
Unplug the AC power cord (mains
• •
lead), then plug in the AC power
cord (mains lead) again and turn
on the system.
There is no picture/sound when
connected to the HDMI OUT (TV)
jack.
Change the setting in [HDMI
• •
SETUP] – [HDMI RESOLUTION]. The
problem may be solved.
The equipment connected to
• •
the HDMI OUT (TV) jack does
not conform to the audio signal
format. In this case, set [HDMI
SETUP] – [AUDIO(HDMI)] to [PCM]
(page 40).
Try the following:
• •
•
— Turn the system off and on
again.
•
— Turn the connected equipment
off and on again.
•
— Disconnect then connect the
HDMI cable again.
There is no microphone sound.
Adjust the microphone volume
• •
level.
Make sure the microphone is
• •
connected to the MIC1 or MIC2/
GUITAR jack on the unit correctly.
Make sure the microphone is
• •
turned on.
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