Service Modes, Error Codes, and Fault Finding
EN 38 SDI PDP5.
Figure 5-16 Fault symptom: “Address open / short”
Adress Open
Line Open
Data Block Open
1/2 or 1/4 of Display is missing
COF Block Open
Logic Main / FFC
Check or change
interconnections
Logic Buffer
Check Va Supply
Check and / or
change E / F / G
Buffer
What is the status of
Open?
1 Line
or 1 Block
Half Block /
Half of Screen
Replace PDP
Replace Logic-Main/
Adress Buffer E or F or G/
FFC
Ye s
No
Ye s
Done
Adress Short
Line short
Data Block short
NOK
Adress open is related with
Logic Main, Logic Buffer
, FFC, TCP and so on.
Adress short is related with
Logic Main, Logic Buffer,
FFC, TCP and so on.
Logic Main / FFC
Check or change
interconnections
Logic Buffer
Check Va supply
Check and / or
change E / F / G
Buffer
What is the status of
Short?
1 Line
or 1 Block
Half Block /
Half of Screen
Replace PDP
Replace Logic-Main/
Adress Buffer E or F or G/
FFC
Ye s
No
Ye s
NOK
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