Self Diagnosis Function - Hitachi 32PD5000 Service Manual

8. Self-Diagnosis Function
This chassis has 2 modes of self-diagnosis function.
(1) PDP panel check mode: It indicates the one latest record of the PDP panel failure with blinking of the power
indication light (LED).
(2) Signal circuit check mode: It indicates the check result on some points of the signal circuit and the history of
them with On-Screen Display (OSD).
PDP panel self-diagnosis function
This function is for a PDP panel failure with no picture.
To enter to this Self-Diagnosis mode, follow the next steps:
Preparation:
1) The Power Cord should be connected to AC line and the Main Power switch should be turned on.
2) Turn the power off by the SUB-POWER( ) button of the monitor or the remote control.
Procedure:
1) Press the SUB-POWER( ) button and
more than 5 seconds after the power turned on.
2) It generates red blinking series of the power indicator light.
3) Any operation would cancel the Self -Diagnosis mode.
4) The next table shows the PDP PWB in which failure most probably would be allocated according to the
number of blinks.
Number of red blinks
of power indication light
1
2
3
4
5
6
7
8
[Blinking condition of power indication light]
Ex. 2 blinks
32PD5000/42PD5000 (PW1)
button on the bottom of the monitor at the same time, and keep it for
Presumed failing PWB
of PDP panel
Logic
X-SUS
Y-SUS, SDM
X-SUS, Y-SUS, SDM, PSU
ABUS, ADM, PSU
ADM temperature
ADM temperature
All of above-mentioned
PWB's
1 sec 1 sec 2 sec OFF
SDM: Scan Driver Module
PSU: Power Supply Unit
ADM: Address Driver Module
Note) SDM is permanently contacted to glass part
Repeat
37