HBD-E770W
6
2. Pass-fail judgment of the optical device (KEM-460AAA)
Perform pass-fail judgment to judge whether the repair of the optical device (KEM-460AAA) is necessary.
2-1. Flow of drive section check
NO
NO
Confirm whether
BD (BLX-104) can be
reproduced
Confirm whether
DVD (HLX-513)/
CD (HLX-A1) can be
reproduced
Confirm whether the
drive voltage is the
following values
CN301 pin 2 : 12 V
CN301 pin 6 : 5 V
Confirm OP FFC cable
(Part No. 1-837-494-11)
and SPDL FFC cable
(Part No. 1-837-495-11),
and replace it when it
has been damaged
Then, confirm whether
this set operates
normally
Confirm PS301 to
PS304 on the MB-134
board, and replace it
when it has been
damaged
Confirm whether the
optical device IOP
is normal in the
service mode
(Refer to “2-2. Flow
of optical device
IOP check”)
Repalece the
optical device
(KEM-460AAA)
(Refer to “3. Optical
device (KEM-460AAA)
replacement”)
NO
YES
OK
YES
YES
NO NO
Note: Refer to “2-12. OPTICAL DEVICE (KEM-460AAA), WIRE (FLAT TYPE)” (page 17) about how to remove the FFC HOLDER (REAR).
2-2. Flow of optical device IOP check
YES
NO
Turn the power on,
and change function
to “BD/DVD”
Press the buttons on
the remote commander
in order of [RETURN],
[0], [2], [1] [SUBTITLE],
and enter the service
mode
Press the buttons on
the remote commander
in order of [8], [7], [3],
[ENTER], and the
dIOP value is displayed
OK
Confirm whether
value is the
specification value
Specification value:
BD : 6 mA
DVD/CD: 9 mA
Repalece the
optical device
(Refer to “3. Optical
device (KEM-460AA)
replacement”)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
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0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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