5
Checking Flow ~ Drive (BU) section ~
Yes
No
Yes
No
Yes
No
Yes
No
BLX-104
DVD TEST DISC HLX-513
CD TEST DISC YEDS-18
Yes
No
BDP UNIT ASSY can play the BD-disc.
BDP UNIT ASSY
can play the
DVD/CD-disc.
Check Drive Power Supply.
CN301 15p 12V / 12p 5V?
Check PS301,303 and 304.
Replace PS when open.
Check/replace the FFC cable,
then check
BDP UNIT ASSY
operates
normally.
Check the Optical Block Unit (BU) by
service mode (Flowchart zz).
BU Iop is OK?
Replace the
BU.
Optical Block Check
(Flowchart yy)
Flowchart No.xx (other check sheet)
OK
BDP UNIT ASSY REPAIR GUIDE
