Sony HBD-E770W Service Manual page 6

HBD-E770W
QQ
3 7 63 1515 0
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
Confirm whether
NO
BD (BLX-104) can be
reproduced
YES
Confirm whether
NO
DVD (HLX-513)/
CD (HLX-A1) can be
reproduced
Note: Refer to "2-12. OPTICAL DEVICE (KEM-460AAA), WIRE (FLAT TYPE)" (page 17) about how to remove the FFC HOLDER (REAR).
TE
2-2. Flow of optical device IOP check
L 13942296513
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
www
.
6
http://www.xiaoyu163.com
Confirm whether the
NO
drive voltage is the
following values
CN301 pin 2 : 12 V
CN301 pin 6 : 5 V
YES
Confirm OP FFC cable
NO
(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
YES
OK
Confirm whether
value is the
specification value
Specification value:
BD : 6 mA
DVD/CD: 9 mA
YES
OK
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
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")
Q Q
3 6 7 1 3 1 5
Repalece the
NO
optical device
(Refer to "3. Optical
device (KEM-460AA)
replacement")
co
.
9 4 2 8
Repalece the
NO
optical device
(KEM-460AAA)
(Refer to "3. Optical
device (KEM-460AAA)
replacement")
0 5 8 2 9 9 4 2 8
m
9 9
9 9