Troubleshooting
6-10
Samsung Electronics
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
F5001 for VDD
F5002 for Vs
F5004 for VCC
F5005 for OUT_L
Q5009~Q5021
[ X-MAIN ]
Check several points
FUSE
FET
X-MAIN
Normal State
Replace the Board
Replace the Board
OK
OPEN
SHORT
OK
F4001 for VCC
F4002 for Vs
F4004 for VDD
F4005 for Ve
Q4002~Q4003
Q4011~Q4016
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.
Содержание PL-42P7HP
Страница 10: ...1 6 Samsung Electronics MEMO ...
Страница 34: ...3 18 Samsung Electronics MEMO ...
Страница 37: ...Samsung Electronics 5 2 MEMO ...
Страница 51: ...6 14 Samsung Electronics MEMO ...
Страница 55: ...Block Diagram 7 4 Samsung Electronics 7 2 3 Module Driver Board Block Diagram 1 Y Main Board 2 X Main Board ...
Страница 57: ...7 6 Samsung Electronics MEMO ...
Страница 69: ...9 8 Samsung Electronics MEMO ...
Страница 88: ...11 8 Samsung Electronics MEMO ...
Страница 98: ...12 10 Samsung Electronics MEMO ...
Страница 113: ...Circuit Description Samsung Electronics 13 15 Scan_l Even_Scan Y Sustain ...
Страница 114: ...Circuit Description 13 16 Samsung Electronics Attachment 2 X Output Waveform X Sustain ...