Sharp MD-X8 Service Manual Page 48
- Page / 108
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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MD-X8
– 48 –
Figure 48 WIRING SIDE OF P.W.BOARD (3/10)
A
B
C
D
E
F
G
H
1
23456
MD OPTICAL
PICK UP UNIT
CNP1252
CNS1101
FLEXIBLE PWB
TO MD MAIN PWB
TO MD MAIN PWB
1
2
VL
VL
MAGNETIC
HEAD (40)
CNP1604
TO MD MAIN PWB
CNP1603
TO MD MAIN PWB
CNP1602
TO MD MAIN PWB
MD SPINDLE MOTOR
M901
1
2
RD
BK
MD SLED MOTOR
M902
1
2
RD
BK
MD LOADING MOTOR
M903
1
2
RD
BK
CNS1903
CNP1601
CNP900
TO MAIN PWB
CNP11
TO CD SERVO PWB
CNP261
TO POWER AMP. PWB
MD MECHANISM SWITCH PWB-H
YL
BIM1
TRAY MOTORMAIN CAM MOTOR
MOB2MOB1
BR
YL
OR
RD
BR
1
4
FAN MOTOR
M971
CNS961
RD
1
2
BR
SWB101 CAM1
SWB102 CAM2
SWB103
BIM3
CAM3
SWB104 CAM4
BL
BR
6
1
TO MD MAIN PWB
FW1901
R1901
R1902
CNS1901
R1903
R1904
SW1955
MD RECORD
SW1953
LEAD IN
SW1954
MD PLAY
SW1956
LOADING
SW1952A/B
WRITE PRO/DIRECT
1
2
3
5
4
BR
COLOR TABLE
RD(R)
OR
YL
GR
BL
VL
GY
WH(W)
BK
PK
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GRAY
WHITE
BLACK
PINK
- 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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