Troubleshooting Suggestions - HP PL4260N Service Manual

Troubleshooting Suggestions

Table Abbreviations
Abbreviation Definition
MB Main board
TB Tuner and audio board
IB Diagonal LED and IR board
KB Key Pad PCA
CB Speaker connection board
LB CTRL board on panel
PB PSU on panel
DB Y/Z SUS board
Italic means the operation must happen after the back cover of TV is removed.
Item
Normal operation [LED status]
Description
1 When the power cord is plugged in, the red
LED indicator should be lit.
2 When the set is turned on via the remote
control or the power switch on the left of set,
the red LED and blue LED should be lit and
amethyst indicator during initializing.
3 When complete initializing, the blue LED
indicator is lit.
50
HP High-Definition Plasma TV Service Manual PL4260N, PL5060N
Picture
Power switch and LED indicator:
Remarks
Initializing indicator:
LED color is
Power