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Symptom -1
Symptom -1
No power
Check AC inlet unit.
(cutting or damage...etc.)
OK
Check the AC cord.
(cutting or damage...etc.)
OK
Check the
Power supply P.C.B. is
Fuse-resistor(F501) broken?
OK
Check the
Check the
Digital P.C.B. connector
Digital P.C.B. connector
voltage.*1
voltage *1
OK
Check the
Digital P.C.B. connector
voltage.*2
OK
Check the FFC
OK
Front
Exchange the
P.C.B.
CHECK POINT LOCATION
F501
Exchange the
AC inlet unit
NG
Exchange the
AC cord
NG
Exchange the
Power supply P.C.B.
NG
Exchange the
Exchange the
Power supply P.C.B.
Power supply P.C.B.
NG
NG
Exchange the
Digital P.C.B.
NG
Exchange the FFC
NG
FFC
*1
*2
24
Symptom -2
VOLTAGE DATA(measurement value)
Disc Tray Can not OPEN or CLOSE
.
REF.NO.
*1
Check the
OPEN/CLOSE SW.
7
1
(Break or click feeling ...etc.)
OK
REF.NO.
Check the Front Panel
(Broken ...etc.)
OK
Check the Digital P C B
Check the Digital P.C.B.
connector XP4 voltage.*3
OK
*2
Exchange the Mechanism unit
24
PIN NO.
XP10
1
-
2
GND
3
GND
Exchange the
4
GND
Front P.C.B.
NG
5
25.6V
6
25.6V
7
25.6V
PIN NO.
XP9
Exchange Front Panel
NG
1
3.3V
2
3.3V
3
1.7V
4
PIO9
5
PIO11
6
PIO13
Exchange the
Exchange the
Digital P.C.B.
7
NG
GND
8
3.3V
9
GND
10
3.3V
11
0V
12
0V
13
3.3V
14
3.3V
15
3.3V
16
3.3V
17
3.3V
18
11.9V
19
GND
20
BT_L
21
GND
22
BT_R
23
GND
24
NFC_FD
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