Read Sony KDE-V42A12U / KE-V42A10E Service Manual online
4.1.3 Abnormal Display (Abnormal Image is on Screen except abnormality in Sustain or
Address)
⇒ Abnormal Display is related with Y-MAIN, X-MAIN, Logic Main and so on.
This page shows you how to check the boards, and the following pages show you how to
find the defective board.
4.1.4 Sustain Open (some horizontal lines don’t exist on screen)
After Changing
Replace PDP
NG
OK
[Y-FPC]
Logic B’d
Check
① PSU to Logic Cable
② Fuse F2000, F2001
③ LED 2000;Green
④ Each Connector
Replace Logic B’d
NG
Y-Main
Check
① Fuse Open
(F5001, 5002, 5003)
② FET Short/Open
(Q5011, 5013, 5016,
Q5017)
③ FFC Connection
NG
Replace Logic B’d
X-Main
Check
① Fuse Open
(F4001, 4002, 4003)
② FET Short/Open
(Q4010, 4011, 4014,
Q4015)
③ FFC Connection
NG
Replace Logic B’d
Done
(Defect is from buffer)
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Click on the first or last page to see other KDE-V42A12U / KE-V42A10E service manuals if exist.