Sharp MD-X8 Service Manual Page 5
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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MD-X8
OPERATION MANUAL
SETTING THE CLOCK
When you have set the date and time, this unit can be used
as a clock. It can be used for timer recording or for timer
playback. It is also used to store the MD recording date in
memory.
1
Turn the power on.
2
Press the TIMER/DELETE button.
3
Within 10 seconds, press the
or on the MULTI CONTROL
button to select TIME ADJUST.
4
Within 10 seconds, press the ENTER button.
The unit will enter the date setting mode.
5
Press the 1 or 0 on the MULTI CONTROL button to adjust
the year.
Press the button once to increase or decrease the year by one. Keep
pressing it to advance continuously.
For any year after 2000, use "00" for 2000, "01" for 2001, and so on.
6
Press the
on the MULTI CONTROL button to select the
month.
7
Press the
or on the MULTI CONTROL button to adjust the
month.
8
Press the on the MULTI CONTROL button to select the day.
9
Press the or on the MULTI CONTROL button to adjust the
day.
10
Press the on the MULTI CONTROL button to select the
hour.
11
Press the
or on the MULTI CONTROL button to adjust the
hour.
On the display, midnight is shown as "AM 12:00" and noon is shown
as "PM 12:00". When setting the time, be careful to set AM or PM
according to the current time.
12
Press the on the MULTI CONTROL button to select the
minute.
13
Press the
or on the MULTI CONTROL button to adjust the
minute.
14
Press the ENTER button to start the clock at the top of the
minute.
The clock starts operating.
Notes:
In the event of a power failure or when the AC power cord is
disconnected, the clock setting will be lost. Reset the time.
While recording an MD, you cannot set the date and clock. Be sure
to set the date and clock before recording.
The range of dates that can be entered is from July 1, 1997 to
December 31, 2049.
To change the setting
After performing steps 1 - 4 above,
➀
Press the
or on the MULTI CONTROL button to select
the item (YEAR, MONTH, DAY or CLOCK) you want to
change.
➁
Press the
or on the MULTI CONTROL button to change
the setting.
➂
Press the ENTER button.
To check the time
When the power is off, the time appears on the display.
When the power is on and you press the TIMER/DELETE button,
the time will appear for about 10 seconds on the display.
The year, month and day will not be displayed.
TIMER/
DELETE
ENTER
MULTI CONTROL
2
3
4
5
6
7
8
9
10
11
12
13
14
TIMEWADJUST
SLEEPWSET
TIMERWSET
TIMEWADJUST
SLEEPWSET
TIMERWSET
CLOCKWWWWW amW0:00
DAYWWWWWWW27WWWWW
MON T HWWWWW 09WWWWW
YEARWWWWW '98WWWWW
C
A
LENDARW&WCLOCK
CLOCKWWWWW amW0:00
DAYWWWWWWW27WWWWW
MON T HWWWWW 09WWWWW
YEARWWWWW '98WWWWW
C
A
LENDARW&WCLOCK
CLOCKWWWWW amW9:00
DAYWWWWWWW27WWWWW
MON T HWWWWW 09WWWWW
YEARWWWWW '98WWWWW
C
A
LENDARW&WCLOCK
CLOCKWWWWW amW9:00
DAYWWWWWWW27WWWWW
MON T HWWWWW 09WWWWW
YEARWWWWW '98WWWWW
C
A
LENDARW&WCLOCK
CLOCKWWWWW amW9:35
DAYWWWWWWW27WWWWW
MON T HWWWW ' 09WWWWW
YEARWWWWW '98WWWWW
C
A
LENDARW&WCLOCK
M
D
LNODDISCWC L OCK
W
W
W
CLOCKWWWWW am :
DAYWWWWWWW01WWWW
MON T HWWWWW 01WWWW
YEARWWWWW '99WWWW
C
A
LENDARW&WCLOCK
0
00
CLOCKWWWWW am :
DAYWWWWWWW01WWWW
MON T HWWWWW 01WWWW
YEARWWWWW '98WWWW
C
A
LENDARW&WCLOCK
0
00
CLOCKWWWWW am :
DAYWWWWWWW01WWWW
MON T HWWWWW 01WWWW
YEARWWWWW '98WWWW
C
A
LENDARW&WCLOCK
0
00
CLOCKWWWWW am :
DAYWWWWWWW01WWWW
MON T HWWWWW 09WWWW
YEARWWWWW '98WWWW
C
A
LENDARW&WCLOCK
0
00
CLOCKWWWWW am :
DAYWWWWWWW01WWWW
MON T HWWWWW 09WWWW
YEARWWWWW '98WWWW
C
A
LENDARW&WCLOCK
0
00
MINIDISC SYSTEM LIMITATIONS
Even if the maximum recording time of a MiniDisc is not When the number of tracks used reaches the limit, regardless of the remainder being
reached, “DISC FULL” or “TOC FULL” may be displayed. recording time, further recording will be impossible. (Maximum number of tracks: 255)
Even if the number of tracks and the recording time have When emphasis information (equalizer treatment in the treble section) in a track
reached the limit, “DISC FULL” may be displayed. switches on/off many times, each change is assumed to be the beginning of a new
track, which will quickly use up all available track numbers, making further recording
impossible, regardless of the remaining time, recording time or the number of tracks
on the original.
Even if several short tracks are erased, the remaining When the remaining recording time of a disc is displayed, short tracks less than 12
recording time may not show an increase. seconds long may not be included in the total.
Two tracks may not be combined in editing. For MiniDiscs which repeated recording and editing operations were performed, the
COMBINE function may not work.
The total of the recorded time and time remaining on a disc A cluster (about 2 seconds) is normally the minimum unit of recording. So, even if a
may not add up to the maximum possible recording time. track is less than 2 seconds long, it will use about 2 seconds of space on the disc.
Therefore, the time actually available for recording may be less than the remaining time
displayed.
If there are scratches on a disc, those sections will be automatically avoided (no
recording will be placed in those sections). Therefore, recording time will be
reduced.
(Continued)
RESETING THE MICROCOMPUTER
If a problem occurs
If subjected to any strong external interference (mechanical
shock, excessive static electricity, abnormal supply voltage due
to lightning, etc.), or if it is operated incorrectly, or if an MD cannot
be removed, this product or the display may become damaged.
1
Unplug the AC power cord from the AC outlet.
2
Press the RESET button on the back of the unit for at least 10 seconds.
3
Plug the AC power cord back into the AC outlet.
When thze RESET button is pressed, all of the settings in memory will
be erased.
If strange sounds, smells or smoke come out of the unit , or if a foreign
object falls into the unit, turn off the power, unplug the AC power cord
from the AC outlet immediately. Contact an authorized sharp serv-
ices.
RESET button
- SERVICE MANUAL 1
- SPECIFICATIONS 2
- IMPORTANT SERVICE NOTES 2
- NAMES OF PARTS 3
- REMOTE CONTROL 4
- MINIDISC SYSTEM LIMITATIONS 5
- If a problem occurs 6
- TROUBLESHOOTING 6
- MD / CD STEREO 7
- Quick-Guide 7
- Guía rápida 7
- DISASSEMBLY 8
- Figure 10-2 10
- Figure 10-3 10
- Figure 10-1 10
- MD Mechanism 11
- MD MECHANISM SECTION 12
- Loading pinch 13
- Fixing washer 13
- (G1) x 1 13
- MD mechanism 13
- CD MECHANISM SECTION 14
- ADJUSTMENT 15
- CD TEST MODE 16
- MD SECTION 17
- • Test Mode 18
- 2. AUTO adjustment mode 19
- 3. RESULT sub-mode 19
- : Measurement value 24
- 8. TEST-PLAY mode 25
- 9. TEST-REC mode 25
- 10. INNER mode 25
- Jitter Meter 26
- EXPLANATION OF ERROR DISPLAY 27
- -PROM Setting Mode Chart 30
- Figure 30 30
- NOTES ON SCHEMATIC DIAGRAM 31
- FAN MOTOR 33
- AC POWER 33
- CORD(265) 33
- M56748FP 35
- TO µ-COM 36
- IX2679AF 37
- MIC PWB-C7 38
- JACK PWB-E 38
- AM SIGNALFM SIGNAL 39
- MAIN PWB-A(1/3) 39
- MAIN PWB-A(2/3) 40
- FM SIGNAL 41
- CD SIGNAL 41
- MAIN PWB-A(3/3) 42
- LC75396E 43
- AUDIO PROCESSOR 43
- MAIN PWB-A 44
- 8 9 10 11 12 45
- FOCUS/TRACKING/ 46
- SPIN/SLIDE DRIVER 46
- MD OPTICAL 48
- PICK UP UNIT 48
- MD MECHANISM SWITCH PWB-H 48
- DISPLAY PWB 50
- LED PWB-C4 50
- SWITCH B PWB-C3 50
- SWITCH C PWB-C5 50
- LAMP PWB-C1 50
- SWITCH A PWB-C2 51
- LAMP PWB-C1 SWITCH A PWB-C2 52
- DISPLAY PWB-C6 53
- POWER PWB-B1 55
- POWER AMP. PWB-B2 57
- SITUATION : 58
- MD MAIN PWB-G 61
- MD MECHANISM SWITCH 62
- MD OPTICIAL PICKUP UNIT 62
- MD PLAYBACK SIGNAL 65
- MD RECORD SIGNAL 65
- MD MAIN PWB -G(TOP) 66
- MD MAIN PWB - G (BOTTOM) 67
- VOLTAGE (MD MAIN PWB) 68
- WAVEFORMS OF CD CIRCUIT 69
- WAVEFORMS OF MD CIRCUIT 70
- D/A CONVERSION PLAY 71
- TROUBLESHOOTING (CD SECTION) 72
- 1.0V/DIV 73
- 0.5µsec/DIV(DC) 73
- (When playing 73
- back the disc) 73
- TROUBLE SHOOTING (MD SECTION) 76
- • Normal playback 78
- • Audio playback circuit 78
- • Focus servo failure 79
- • Disc motor fails to run 80
- • Tracking servo failure 80
- • Slide servo failure 80
- FUNCTION TABLE OF IC 81
- ROM:128K 84
- REF — + 3.15V 89
- PARTS GUIDE 91
- INTEGRATED CIRCUITS 92
- TRANSISTORS 92
- TRANSFORMERS 92
- VARIABLE RESISTORS 93
- VIBRATORS 93
- CAPACITORS 93
- DESCRIPTIONNO 94
- PART CODE NO. PARTS CODE 94
- DESCRIPTION 94
- RESISTORS 95
- DESCRIPTIONPARTS CODE 97
- NO. PART CODE 97
- OTHER CIRCUITRY PARTS 98
- MD MECHANISM PARTS 99
- CD MECHANISM PARTS 100
- CHANGER MECHANISM 100
- CABINET PARTS 100
- OTHER SERVICE PARTS 101
- SPEAKER BOX PARTS 101
- ACCESSORIES 101
- MAIN UNIT 107
- Pad, Remote 107
- Remote Control 107
- ALL RIGHTS RESERVED 108
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