Troubleshooting
Samsung Electronics
5-1
5. Troubleshooting
5-1 No Power
5 6
Check/Replace
IC803, 805
Normal
Normal
Normal
Normal
Normal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
50
50
Disconnect
the Power Cord
Check
Power LED
Check IC901
Pin
LED ON
LED OFF
Check IC901
Pin
Check
the voltage of
IC803, 805
Check
H-OUT of IC201
Pin
Check IC908 and
Replace IC901
Replace
IC201
Check the
voltage of
IC803, 805
Check Q401 and
Horizontal Circuit
Check FBT and
B+(130V)
Check
IC902
Check
SCL, SDA Line
Normal
Normal
Normal
Normal
Normal
Replace
IC902
Replace
Q909,Q910
Check
IC803
Check
IC803
Check
the voltage of
IC804
Check
the resistance of
FD803
Replace FD803
Check
IC801, D801 FUSE
Check
IC901 B+
Check
Q909, Q910
Summary of Contents for TXK2554
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd OCT 2000 Printed in Korea 3KS2A N 2507 ...
Page 12: ...3 2 Samsung Electronics MEMO ...
Page 28: ...4 16 Samsung Electronics MEMO ...
Page 46: ...8 Block Diagrams Samsung Electronics Schematic Diagrams 8 1 8 1 Power Diagram ...
Page 47: ...8 2 Block Diagram Schematic Diagrams 8 2 Samsung Electronics ...
Page 49: ...9 2 Samsung Electronics MEMO ...
Page 54: ...10 5 POWER W O EW Samsung Electronics Schematic Diagrams 10 5 ...
Page 55: ...10 6 PIP Schematic Diagrams 10 6 Samsung Electronics ...
Page 56: ...Samsung Electronics 10 7 VIDEO SWITCH Schematic Diagrams 10 7 ...