Panasonic TH-152UX1C, Service Manual

Page: 19 / 127

19
TH-152UX1 / TH-152UX1W / TH-152UX1C
7.1.2. LED Blinking timing chart
1. Subject
Information of LED Blinking timing chart.
2. Contents
When an abnormality has occurred to the unit, the protection circuit operates and resets 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 .
Power LED on the front panel
*
Refer to 7.1.1 Display Indication for PTCT indication.
Blinking
times
Contents Check point PTCT indication*
1 No particular
check point D1-D4 Board
DU Board
A Board *1 H09
2 P +15V SOS,
F +15V SOS,
A +15V SOS P3/P4/P5/P6 Board
A Board
DS Board
D1-D4 Board
DU Board *2 H09
3 P +3.3V SOS D1-D4 Board
DU Board *3 H09
4 Power SOS P/P1-P9 Board 04 H09
5 P +5V SOS P3 Board
D1-D4 Board *5 H09
6 Driver SOS1 SCU Board
SCD Board *6 H09
7 Driver SOS2 SCU/SCD Board
SU1-SU3 Board
SD1-SD3 Board *7 H09
8 Driver SOS3 SSU/SSD Board
SS2 Board
SS3 Board
SS4 Board *8 H09
9 Communication error
between Panel-MPU and
PD4 MASTER(D3)
Discharge control SOS D1-D4 Board
DU Board *9 H09
10 Terminal Board SOS Terminal Board
DS Board 0A H09
11 FAN SOS FAN
PB1-4 Board
A Board 0B H09
12 FPGA config SOS A Board
DN Board *C H09
13 A +9V, A +3.3V, A +1.8V A Board 0D H09
A +5V 1D H09
A +1.2V_M, A +1.2V_S,
SUB +3.3V 2D H09
A-Board Microcomputer
Communication SOS 3D H09
14 LED_10V, 3.3V, 1.2V,
1.05V DN Board 0E H09
15 Front End 4K FAN SOS Front End 4K FAN
Front End 4K Unit 0F H09
Front End 4K config SOS 1F H09