9-2
BDP-BX37/S270/S370/S373/S470
Main Flowchart
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Power ON by power switch on front or remote control.
Has system reset (PU_XRST) been cancelled? Measurement point JL1122
To Video section flowchart
To IFcon section flowchart
Start (and return from each flowchart)
Approximately 10 seconds after the AC is applied, the WAIT display flashes several times and the power is turned OFF automatically.
Are the power supply voltages on the MB board normal?
To Power Supply (System) flowchart.
END
Replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
To Drive flowchart
To FL/FR board flowchart
Check the parts and mounting around X401.
Replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
Is OPEN or CLOSE displayed on the fluorescent tube?
Is there any problem in the FFC connection to CN2470 which connects the drives?
To FR board flowchart
Is XMB or the SETUP screen displayed on the video output screen?
Do the up, down, left, and right arrow keys of the remote control permit operations on the XMB?
Is the main clock (X401) oscillating properly at 27 MHz?
Check the flexible cable of the drive. Are CN2470,CN2462 or CN1401 disconnected?
Check the connections of the connectors. If there is no improvement, replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
SYS ERR display appears on fluorescent tube.
To Drive flowchart
Is the sound reproduced properly when a BD, DVD, or other disc is played?
To Audio section flowchart
Is the picture reproduced properly when a BD, DVD, or other disc is played?
To Video section flowchart
Are BD, DVD, or other discs that are loaded on the drive recognized correctly?
