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KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 35
If the TV shuts off immediately after Power-ON, then one of the
following components has failed (It is Not an Actual Excessive
Temperature Condition):
●
X-Reality Microprocessor (Main Board)
●
Temperature Sensor (Main Board)
In either case the Main Board must be replaced to fix the problem.
Constant On (32”) or Constant On/Off cycling (40” & 46”) of
Green Power LED
A Constant On (32”) or Constant On/Off cycling (40” & 46”) of the
Green Power LED is caused by one of the following defective
components:
●
Defective LED or LEDs (LCD Panel Assembly)
●
Defective Power Supply Board (Loss of Positive or Negative
LED Supply)
First check the positive and negative LED drive voltages from the
Power Supply board. If the voltages are present the LCD Panel
assembly must be replaced for a defective LED. If the voltages are
missing replace the Power Supply board to resolve the issue.
Содержание Bravia KDL-40EX520
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