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6-3
BDP-S1200/BX120/S3200/BX320/S4200/S5200/BX520
6-2. Power (System) Flow
AC IN
Check the output voltages from the power
supply
supply
AC Adapter Output Jack : 12V
block.
No
Yes
Check the fuses
Have any of the below fuses blown?
MB board: PS201
Have any of the below fuses blown?
MB board: PS201
No
Check the following power control signals
while the power is ON
while the power is ON
PCONT1#
: MB board
R252, R205,R243,R288
Yes
Check Voltage lines that are not output are
shorted to GND
shorted to GND
No
Failure of power supply IC ->
Replace the MB board.
Replace the MB board.
Replace AC adapter.
Blown fuses --> Replace the MB board
Yes
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