Check Point; Exit; Power Led Blinking Timing Chart; Lcd Panel Test Mode - Panasonic TH-43EX600A Service Manual

6.1.4.

Check Point

Confirm the following parts if NG was displayed.
DISPLAY
H14TUN
H07TEMP
H17LAN
H00FE
H96ID
H97ID2
H42WiFi
H71TCON
6.1.5.

Exit

Disconnect the AC cord from wall outlet or press the [POWER] button on the main unit for 3 seconds to turn off and then turn on
automatically.
6.2.

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.
6.3.

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.
Normal picture is displayed: The cause must be in A board.
Remarks:
The test pattern is created by the circuit in LCD Panel.
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 must be okay and the cause of failure must be in A board.
Check Ref. No.
IC6950 TUNER
IC5911 TEMP SENSOR
ETHERNET
IC6800 1 DEMODULATOR
ID
ID2
WiFi
T-CON
Blinking Times
1 BL SOS
7 SUB 3.3V / 1.0V
9 SOUND SOS
10 FRC/NVT SOS
13 EMERGENCY SOS
Description
A-BOARD
A-BOARD
A-BOARD / LAN
A-BOARD
A-BOARD
A-BOARD
A-BOARD / WiFi
LCD PANEL
Contents
17
TH-43EX600A/Z
Check Point
Check point
LCD PANEL
P-Board
P-Board
A-Board
A-Board
Speaker
A-Board
A-Board