Trouble Shooting; Judging Method When Image Does Not Appear - Sony PFM-500A3WE Service Manual
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Also See for PFM-500A3WE:
- Operating instructions manual (244 pages) ,
- Operating instructions manual (244 pages)
Table of Contents
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4-1. Judging Method When Image Does
Not Appear
1. Flow chart
Power restart
3 times or less?
Y
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.
PFM-500A3WE/500A3WG/500A3WU/510A2WE/510A2WG/510A2WU
Trouble Shooting
Image does not appear.
Check service code indicator display.
Y
N
Check if voltage
99
is present in DIGITAL
PDP failure
Section 4
12
Hold down
after about
5 seconds.
22
Y
Hold down
Y
after about
5 seconds.
N
79
Power auto
restart?
N
N
5V line.
Y
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.
N
.
POWER SUPPLY
failure
4-1
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