Service manual

MD-MX30/MX30W
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OPERATION MANUAL
SETTING THE CLOCK
6
Adjust the hour by turning the jog dial.
● When the jog dial is turned one click clockwise,
the time will increase by 1 hour. When it is turned one click anti-clockwise, the time will decrease by 1 hour. Keep turning the jog dial to change the time continuously.
● When the 12-hour display is selected, "AM" will
change to "PM" automatically.
7
Press the MEMORY/ENTER button.
8
Adjust the minutes by turning the jog dial.
● When the jog dial is turned one click clockwise,
the time will increase by 1 minute. When it is turned one click anti-clockwise, the time will decrease by 1 minute. Keep turning the jog dial to change the time continuously.
● The hour setting will not advance even if min-
utes advance from "59" to "00".
9
Press the MEMORY/ENTER button.
● The clock starts operating from "0" second.
(Seconds are not displayed.)
To see the time display: Press the CLOCK button. ● The time display will appear for about 5 seconds
even in the stand-by mode.
Note: ● The "CLOCK" will appear at the push of the
CLOCK button when the AC power supply is re- stored after a power failure occurs or after the AC power lead is disconnected. If this happens, follow the procedure below to change the clock time.
To change the clock time: 1
Press the CLOCK button.
2
Within 5 seconds, press the MEMORY/ENTER button.
3
Perform steps 6 - 9 above.
To change the time display mode: 1
Reset the microcomputer.
2
Perform steps 2 - 9 above.
MEMORY/ ENTER
Jog dial
● In this example, the clock is set for the 24-hour
(0:00) system.
1
Press the ON/STAND-BY button to turn the power on.
2
Press the CLOCK button.
3
Within 5 seconds, press the MEMORY/ENTER button.
4
Turn the jog dial to select the time display mode.
"0:00" →The 24-hour display will appear.
→(0:00 - 23:59)
"12:00 AM" →The 12-hour display will appear.
→(AM or PM 12:00 - 11:59)
"0:00 AM" →The 12-hour display will appear.
→(AM or PM 0:00 - 11:59)
● Note that this can only be set when the unit is
first installed or it has been reset.
5
Press the MEMORY/ENTER button.
ON/STAND-BY
CLOCK
RESETTING THE MICROCOMPUTER
If this product is subjected to strong external inter- ference (mechanical shock, excessive static elec- tricity, abnormal supply voltage due to lightning, etc.) or if it is operated incorrectly, it may malfunction or the display may not function correctly. If such a prob- lem occurs, do the following:
1
Press the ON/STAND-BY button to enter the stand-by mode.
2
Press the ON/STAND-BY button whilst holding down the SURROUND button and the TIMER/DELETE button.
● "ALL CLEAR" will appear. Caution: ● The operation explained above will erase all data
stored in memory including clock and timer settings, and tuner, MiniDisc and CD presets.
2
1,2
2
■ If a problem occurs If this unit functions abnormally during operation, first check the following items. If the unit continues to function abnormally, or if an abnormality appears other than listed below, set this unit to the stand-by mode and discon- nect the AC power plug, then consult your SHARP dealer or service personnel.
TROUBLESHOOTING
General
Possible cause ● Did a power failure occur? ● Is the volume level is set to "0"? ● Are the headphones connected? ●
Are the speaker wires disconnected?
● When a radio or TV which uses an
indoor aerial is placed near the unit, the picture on the TV screen may be distorted or the radio may not func- tion properly.
Remedy ● Try setting it again. ● Set this unit to the stand-by
mode and then turn it back on. Then, retry the operation.
● Increase the volume level. ● Disconnect the headphones. ● Connect the wires securely. ● It is recommended that you use
an external aerial.
Symptom ● The clock is wrong. ● When a button is pressed, the unit
does not respond.
● No sound is heard. ● Radios make unusual noise or the
picture on the TV screen is dis- torted.