Troubleshooting
Samsung Electronics
7-7
Symptom
Abnormal Dis play Abnormal Image is on Screen.
(except abnormality in Sus tain or Addres s )
Caus e
Fuse or FET is des troyed.
T rouble
Shooting
[ X- MAIN ]
Chec
k s everal points
FUS E
NG
OK
FET
NG
Re place the board
Replace the board
Q4 00 9 ~ Q40 1 6
F40 0 3 for Vs
F40 0 1 for Vcc
F40 0 2 for Vdd
OK
X- MAIN
Nor
mal State
Check Logic- main
< X- MAIN B OARD>
Summary of Contents for D61B
Page 10: ...3 2 Samsung Electronics MEMO ...
Page 30: ...4 20 Samsung Electronics MEMO ...
Page 38: ...Alignment and Adjustments 2 8 Samsung Electronics MEMO ...
Page 61: ...Fig 18 Chopper Circuit 6 22 Samsung Electronics Circuit Operation Description ...
Page 85: ...8 8 Samsung Electronics MEMO ...
Page 99: ...9 14 Samsung Electronics MEMO ...
Page 106: ...Samsung Electronics Schematic Diagrams 10 7 10 7 SMPS 2 ...
Page 107: ...Schematic Diagrams 10 8 Samsung Electronics 10 8 SMPS 3 ...
Page 108: ...Samsung Electronics Schematic Diagrams 10 9 10 9 SMPS 4 ...