Troubleshooting
Samsung Electronics
5-1
5. Troubleshooting
5-1 No Power
35 , 49
IC901 B+
R455
CN902
IC902,IC903
IC803S, PC802S
FA802S
Q405
QF09, QP10
F-BOX 5V
B+
F-BOX
HD, VD
IC804, FA801S
DZ803, PC801S,
DZ804, Q801
Disconnect
the power cord
Check
Power LED
LED ON
LED OFF
Check IC901
pins
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Normal
Normal
Check
Check
Check
Check
Check
Check
Check
Check
Check/Replace
IC902, Check I2CII
Check IC905
(EEPROM)
Check TRANS 28V,
16V LINE
Check
Check
F-BOX I2C
Check
Q404, Q405
Replace
F-BOX
Check
H-BLK, V-BLK
LINE
Check IC801S,
Check D806
Normal
Normal
Normal
Normal
Normal
Normal
Check the voltage
of Trans Pin 1
Check
135V line
Replace
Q802
Check
RL802S
Replace
Q802
Check
Q802
Summary of Contents for TSK2792FX/XAA
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd MAY 2001 Printed in Korea AA68 01644A...
Page 12: ...3 2 Samsung Electronics MEMO...
Page 25: ...Alignment and Adjustments Samsung Electronics 8 1 8 Block Diagrams 8 1 Voltage Current Block...
Page 99: ...7 66 Samsung Electronics MEMO...
Page 100: ...Alignment and Adjustments Samsung Electronics 8 1 8 Block Diagrams 8 1 Voltage Current Block...
Page 109: ...Schematic Diagrams 9 4 Samsung Electronics 9 3 MAIN 3 3 Power Line Signal Line...
Page 113: ...Schematic Diagrams 9 8 Samsung Electronics 9 6 CRT CONTROL CRT CONTROL Power Line Signal Line...
Page 114: ...Samsung Electronics Schematic Diagrams 9 9 9 7 DOLBY Power Line Signal Line...
Page 115: ...Schematic Diagrams 9 10 Samsung Electronics 9 8 3D COMB...
Page 116: ...Samsung Electronics Schematic Diagrams 9 11 9 9 DW_SRC 1 4...
Page 117: ...Schematic Diagrams 9 12 Samsung Electronics 9 10 DW_SRC 2 4...
Page 118: ...Samsung Electronics Schematic Diagrams 9 13 9 11 DW_SRC 3 4...
Page 119: ...Schematic Diagrams 9 14 Samsung Electronics 9 12 DW_SRC 4 4...