Explanation Of Mechanism Error - Sharp MD-M3 Service Manual

MD-M3/M1
Slide setting
Item indication
S L G
S L 2
S L D L I M
S L D L E V
S L K L V k
S L K L V t
S L K L V m
ADJUST setting
Item indication
C O K
F A T
T A T
C A T
F A B
S T R
S F S
S T C
5Pin extension flat cable
QCNWK0109AFZZ
CN1601(Bottom side)
CN1602
CN1603
CN1604(Bottom side)
6P-2P extension connector
QCNWK0107AFZZ
Error display
MECHA _ * _ ERR
* = E Ejection completion position
* = M Horizontal midway position
* = L Load completed position
* = D Head-down position
Setting
3 B
H
1 8
H
7 F
H
1 2
H
5 0
H
3 A
H
4 C
H
Setting
A 0
H
C 0
H
3 E
H
2 0
H
6 4
H
0 A
H
0 D
H
0 D
H
2Pin extension connector
QCNWK0059AFZZ
CN1252
From mecha-
nism switch
PWB
28Pin extension
CN1101
flat cable
QCNWK0108AFZZ
MD MAIN PWB

EXPLANATION OF MECHANISM ERROR

HINF (IC1401 97 PIN)
< 1.3 V
> 3.06 V
1.853~2.48 V
1.3~1.853 V
Control setting
Item indication
C O N T R L 1
C O N T R L 2
S P K L E V m
A D J T T M
H D E Q A D
L D E Q A D
G D E Q A D
H D E Q B C
L D E Q B C
G D E Q B C
H A L S G
L A L S G
G A L S G
H A L S O F S
L A L S O F S
G A L S O F S
From
motor
Extension PWB for service
(RUNTK0457AFZZ)
Fit the extension PWB for service to the mechanism
Figure 24
None of the operations is completed properly.
– 24 –
From Magnetic Head
From Optical
Pickup Unit
Errors
Setting
8 0
H
0 2
H
2 6
H
1 4
H
9 2
H
8 F
H
8 D
H
8 C
H
8 F
H
8 D
H
2 1
H
2 1
H
1 1
H
F E
H
0 0
H
0 0
H