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Sharp MD X5 Service Manual Page 96
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Table of contents
TROUBLESHOOTING
BOOKMARKS
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MD-X5H/CP-X5H
– 96 –
A
B
C
D
E
F
G
H
1
23
456
Figure 9 CD MECHANISM EXPLODED VIEW
– 9 –
MD-X5H
306-1
701
304
701
302
301
702
702
303
M701
703
305x2
SW702
M702
305
PWB-E
306-2
306-3
306
704
1
2
...
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SERVICE MANUAL
1
WARNINGS (MD)
2
WARNINGS (CD)
2
SPECIFICATIONS
3
NAMES OF PARTS
4
DISASSEMBLY
8
Jack PWB
9
Front Panel
9
MD-X5H/CP-X5H
10
MD Mechanism
11
Magnetic Head
11
CD MECHANISM SECTION
13
ADJUSTMENT
14
CD TEST MODE
15
ASPM, summary operation
17
1, f2, f3 (same PTY)
18
4, f5 (same PTY)
18
MD SECTION
20
Loosen the
29
Lead-In Switch
29
Mechanism Switch PWB
29
1pin of IC 1201 (TP1274)
30
88 pin of IC 1201 (TP1275)
30
EXPLANATION OF ERROR DISPLAY
31
NOTES ON SCHEMATIC DIAGRAM
35
MAIN PWB–A1(1/3)
40
MAIN PWB - A1 (2/3)
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TO JACK SECTION
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P52 1 - C, 1 - B
43
8 9 10 11 12
49
74HC153F
51
INVERTER
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TO CD SERVO PWB
59
P61 9 - B
59
VOLTAGE (MD MAIN PWB)
65
GROOVE PLAY
67
1 kHz 0dB PLAY
68
TROUBLESHOOTING (CD SECTION)
69
1.0V/DIV
70
0.5µsec/DIV(DC)
70
(When playing
70
• Check the tracking system
71
Figure 71
71
• Check the spindle system
71
TROUBLE SHOOTING (MD SECTION)
73
FUNCTION TABLE OF IC
78
IX2718AF
80
REF — + 3.15V
85
PARTS GUIDE
87
— M E M O —
101
ALL RIGHTS RESERVED
104
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