20
7.2.
Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
7.3.
LCD Panel test mode
Purpose:
To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed.
How to Enter:
While pressing [VOLUME ( - )] button of the main unit, press [YELLOW] button of the remote control three times within 2
seconds.
How to Exit:
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
How to confirm:
If the abnormal picture is displayed, go into LCD Panel test mode to display the several test patterns.
And then, judge by the following method.
Still abnormal picture is displayed: The cause must be in LCD Panel or TC board.
Normal picture is displayed: The cause must be in A board.
Remarks:
The test pattern is created by the circuit in LCD Panel and TC board.
In LCD Panel test mode, this test pattern is displayed unaffected by signal processing for RF or input signal.
If the normal picture is displayed, LCD Panel and TC board must be okay and the cause of failure must be in A board.
Blinking Times
Contents
Check point
1
BL SOS
LCD PANEL
P-Board
PB-Board
7
SUB 3.3V / 1.0V
P-Board
A-Board
9
SOUND SOS
A-Board
Speaker
10
NVT SOS
A-Board
13
EMERGENCY SOS
A-Board
Summary of Contents for TX-55CX670E
Page 30: ...30 8 3 6 Specification of sticking the Electromagnetic wave absorption sheet...
Page 31: ...31 8 3 7 Specification of heat rubber...
Page 32: ...32 8 3 8 Specification of sticking the Gasket 8 3 9 Specification of sticking the Gasket...
Page 34: ...34 8 3 12 Specification of HDMI Shield Case...
Page 39: ...39 11 Wiring Connection Diagram 11 1 Wiring Diagram...
Page 41: ...41...
Page 42: ...42...
Page 43: ...43...
Page 44: ...44...
