Sharp MD-X8 Service Manual Page 10
- Page / 108
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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MD-X8
– 10 –
Figure 10-2
Figure 10-3
Figure 10-1
Push the pawl of disc tray
with a proper screwdriver.
Back surface
Pawl
Disc Tray 1
Disc Tray 2
Disc Tray 3
Pawl
(After drawing out the disc trays 1, 2, and 3, turn
over the mechanism unit, push two pawls, and
remove successively the three disc trays from the
mechanism unit, starting with the disc tray 3.
Thereby the CD mechanism shown in the right
figure can be removed.)
Shield Case (Top Sode)
Shield Case
(Bottom Side)
(V3) x 1
ø2 x 4mm
(V 1) x 2
ø3 x 10mm
(V3) x 1
ø2 x 4mm
(V1) x2
ø3 x 10mm
MD Mechanism Unit
(V3) x 1
ø2 x 4mm
(V3) x 1
ø2 x 4mm
MD Mechanism
Holder (Right)
(V2) x1
MD Mechanism
Holder (Left)
(V2) x1
Release the
locks at both
side
2
MD Flat Cable
MD Main
PWB
(V4) x1
CNS1902
1
2
1
3
MD Main PWB
Pull
Frame
(W3) x 1
(W2) x 2
Socket
(W4) x1
Optical pickup
Flexible PWB
(Note 1)
(Note 1) After removing the flexible PWB for optical pickup
from the connector wrap the front end of flexible PWB in
conductive aluminum foil so as to protect the optical pickup
from being damaged electrostatically.
Socket
(W2) x 1
(W1) x 4
ø1.7 x 3mm
(W2) x 1
(U1) x2
ø2 x7mm
(U5) x1
ø2.6 x12mm
(U10) x4
ø2.6 x10mm
(U3) x1
(U2) x1
(U6) x1
(U9) x1
Disc Tray 2
Disc Tray 3
Spring
(U4) x3
1
2
3
Normal state
Press in turns the arrow
parts, starting with the
uppermost one, to
withdraw the disc trays
Pawl
Push
.
CD
Mechanism
Disc Tray 1
Turn clockwise the
main cam to raise the
CD mechanism up to
the uppermost position.
(U7) x2
ø2 x6mm
(U8) x1
- 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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