Sony HBD-E280 - Optical Device Diagnostic Flows; Drive Section Pass-Fail Check; Optical Device IOP Check Flow

HBD-E280/T28
6
2. Pass-fail judgment of the optical device (KEM-470AAA)
Perform pass-fail judgment to judge whether the repair of the optical device (KEM-470AAA) 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
CN5301 pin 3 : 12 V
CN309 pin 1 : 5 V
Confirm OP FFC cable
(Part No. 1-838-615-11)
and SPD FFC cable
(Part No. 1-838-617-11),
and replace it when it
has been damaged
Then, confirm whether
this unit operates
normally
Confirm F5301 to
F5303 and F5305
on the MB-141 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-470AAA)
(Refer to “3. Optical
device (KEM-470AAA)
replacement”)
NO
YES
OK
YES
YES
NO NO
Note: Refer to “2-10. OPTICAL PICK-UP BLOCK (KEM-470AAA), 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 [DISPLAY],
[0], [2], [1] [SUBTITLE],
and enter the service
mode
Press the buttons on
the remote commander
in order of [8], [7], [3],
[ ], and the
dIOP value is displayed
OK
Confirm whether
value is the
specification value
Specification value:
BD : ±3 mA
DVD/CD: ±3 mA
Repalece the
optical device
(Refer to “3. Optical
device (KEM-470AA)
replacement”)