Sylvania 6842THG Service Manual page 105

Check
Connection Y-buffer
& Y-FPC
Check
Y-buffer connector pin
broken or bent?
Check
Y-FPC pin
broken or bent?
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.
[ Logic Main/FFC ]
Changing some parts
Poor
Y-buffer
Good
Br oken
or b ent
Y-buffer
connector
Good
Br oken
or b ent
Y-FPC
Address Open
Line Open
Data Block Open
TCP Block Open
2-3-10
Reconnection
Replace Y-buffer B'd
Replace PDP
[ Logic Buffer ]
Changing necessary
Parts (E/F)
PZ3PDMOP