Led Flashes Once Every 5 Seconds; Led Flashes Five Times; Led Flashes Eight Times; Unit Shuts Down And The Power On Led Is Off - Panasonic TC-26LX20 Technical Manual

LED Flashes Once every 5
Check the Backlight supply vol ge from the P board.
TC22LR30 -15 volts P2 pin 9-15 Ground pins 1-7.
TC26/32LX20- 120 volts P4 pins 1-2. Ground Pins 4-7

LED Flashes Five Times

LED Flashes Eight Times

Check the Sub 5 Volts regulator, IC808.

Unit shuts down and the Power on LED is off.

Check the SOS Shutdown and over-voltage
protection circuits. Please reference power
supply section of this document. Use the
troubleshooting flowcharts for the Primary
and Secondary power supply checks.

SOS Shutdown Problem

If the unit keeps shutting dow
Shutdown line at pin 9 of connector DG2.
It should be at a high level. Anodes of D877, D878,
seconds
Check the Main 9Volts Regulator
Q801 on the AP Board
D880, D844 all should be high.
ta
n, check the SOS
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