Power Led Blinking Timing Chard - Panasonic TH-70LF50ER Service Manual

Power LED blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When 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 number of blinking of the Power LED on the front panel of the unit.
Blinking times Name
2 POWER SOS
PANEL12V
4
SOS
10 DS_SOS
REGULATOR
13
SOS
PTCT
indication
POWER PCB
02 H09
*PWR24V, PWR15V, PWR5V Low level detect
04 H09 *PANEL12V Low level detect
DS PCB
*SLOT3.3V,SLOT5V.SLOT9V Low level detect
0A H09
*SLOT3.3V,SLOT5V.SLOT9V High level detect
*FunctionBoard_SOS
A PCB
0D H09
*D3.3V,DDR1.8V,H3.3V,AS1.8V Low level detect
18
Detect item Detect pin
SUB CPU Pin No.40
(POWER_FAIL1)
SUB CPU Pin No.51
(POWER_FAIL3)
SUB CPU Pin No.42
SUB CPU Pin No.41
(POWER_FAIL2)