Sylvania 6842THG, Service Manual

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2-3-10 PZ3PDMOP
Address Open (some vertical lines don’t exist on screen)
–> Address Open is related with Logic Main, Logic Buffer, FFC, TCP and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective
board.
Check
Connection Y-buffer
& Y-FPC
Y-buffer
Reconnection
Poor
Check
Y-buffer connector pin
broken or bent?
Y-buffer
connector
Y-FPC
Check
Y-FPC pin
broken or bent?
Good
Good
Replace Y-buffer B’d
Replace PDP
Broken
or bent
Br oken
or b ent
Address Open
Line Open
Data Block Open
TCP Block Open
[ Logic Main/FFC ]
Changing some parts
[ Logic Buffer ]
Changing necessary
Parts (E/F)