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Troubleshooting
Abnormal Display Abnormal Image is on Scre en.
(ex ce p t abnormality in S u s tain or Addres s )
Symptom
C a u s e
F u s e or FET is de stroy ed.
F50 0 3 for Vs
F50 0 2 for Vcc
F50 0 1 for Vdd
Trouble
Shooting
7-6
[ Y- MAIN ]
Check s evera l points
Q5 00 9 ~ Q50 1 0
Q5 01 2 ~ Q50 1 5
Q5 01 7 ~ Q50 2 4
Normal St ate
< Y- MAIN BOARD>
OPEN
FUSE
OK
FET
S HORT
OK
Y- MAIN
Re pl a ce Y board
Repl a ce Y board
Check X- main
Samsung Electronics
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