Troubleshooting
6-10
Samsung Electronics
F5001 for VDD
F5002 for Vs
Q5008
Q5009
Q5010
Q5013
F4000 for VCC
F4003 for Vs
Q4010
Q4011
Q4012
Q4015
Abnormal
Display
[ Y-MAIN ]
Check necessary points
[ Logic Main ]
Observation of
abnormal display
[ X-MAIN ]
Check necessary points
[ Logic Main ]
LED Blinks
( action of Vsync )
Regular
abnormal
pattern
Replace the Board
NO
YES
Logic Main
Normal State
Replace the PDP
[ Y-MAIN ]
Check several points
FUSE
FET
Y-MAIN
Normal State
Replace the Board
Replace the Board
OK
OPEN
SHORT
OK
[ X-MAIN ]
Check several points
FUSE
FET
X-MAIN
Normal State
Replace the Board
Replace the Board
OK
OPEN
SHORT
OK
②
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.
Summary of Contents for PS-42C7S
Page 10: ...1 6 Samsung Electronics MEMO ...
Page 33: ...Samsung Electronics 5 2 MEMO ...
Page 47: ...6 14 Samsung Electronics MEMO ...
Page 53: ...7 6 Samsung Electronics MEMO ...
Page 57: ...8 4 Samsung Electronics MEMO ...
Page 65: ...9 8 Samsung Electronics MEMO ...
Page 92: ...12 10 Samsung Electronics MEMO ...
Page 107: ...Circuit Description Samsung Electronics 13 15 Scan_l Even_Scan Y Sustain ...
Page 108: ...Circuit Description 13 16 Samsung Electronics Attachment 2 X Output Waveform X Sustain ...