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4-1
PFM-42B1, PFM-42B1E
Section 4
Trouble Shooting
4-1. Judging Method When Image Does
Not Appear
1. Flow chart
2) As input signals, H.SYNC (negative polarity), V.SYNC
(negative polarity), BLANKING (negative polarity),
CLOCK and RGB digital data (8 bit x 3) must be
entered normally and DISPEN must be “high”.
If no images appears through the above conditions are
satisfied, the PDP unit will be defective.
2. How to find PDP unit trouble
1) The power must be supplied normally to the PDP unit.
This power is supplied through two black 8-pin
connectors from the power unit. The kinds of power
supply are 160 V line, 60 V line, and 5 V line.
Picture does not appear
Check the indication on the indicator
in the lower right of the front panel. (STAND BY)
2 times
3 times
4 times
5 times
6 times
X SUS
Y SUS
Center
Digital
PANEL
TEMP (DD CON)
TEMP (I/O Block)
TEMP
5V
FAIL (PDP)
STBY LED flashes
When the STBY LED does not flash, the power supply circuit is defective.
12 123
0.3 0.3
0.3 0.3
6
3