Sony DVP-S300 Training Manual page 43

Green Power
Light Does Not
Stay On
Check All
OK
Voltages
from Power
Supply
NG
Unplug Power
Supply Output
Cables
Measuring OK
Voltage at
P.S. Board
NG
Troubleshoot
P.S. Board
3RD GENERATION - SYMPTOM 1 FLOW CHART
Communications
Failure
Short Circuit
on MB Board IC201, IC202,
Is Short on Yes
IC801 or IC802
+12V Line? is Defective
Use +5V or
Is Short on
+3.3V
Yes
+5V or +3V Distribution
Line? Chart to Locate
Short
Troubleshoot
Short on Other
Boards
40
Did the Blue
Support Remaining ICs on MB
Yes
Dolby Light
Board. Follow Procedure to Locate
Come On?
Missing chip Select Pulse.
No
Problem is
around
IC205/6
25DVD03 12/5/00