Samsung Electronics
4-1
Troubleshooting
4. Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values
Voltage/DIV
1V/div
TIME/DIV
500ms/div
4-1-1 No Power
No Power Detected
(Stand by LED OFF)
Yes
Yes
No
No
Check MAIN PCB.
No
Change Fuse.
Change SMPS.
Yes
Check MAIN PCB.
F1R and CON1
are shorted?(SMPS)
Is there 5.4V in CON3
pin 12, 13, and 14?
Is there 2.5V in
ICFB5401 pin 1?
Summary of Contents for HT-C5500
Page 18: ...2 10 Samsung Electronics MEMO ...
Page 30: ...3 12 Samsung Electronics MEMO ...
Page 80: ...5 19 Samsung Electronics MEMO ...
Page 88: ...6 8 Samsung Electronics PCB Diagram 6 5 AMP PCB Bottom CON2 CON4 CON1 IC4 IC7 NCIC1 IC10 IC11 ...
Page 91: ...Samsung Electronics 6 11 PCB Diagram 6 6 2 Test Point Wave Form TP2 TP3 TP4 TP5 TP6 ...
Page 93: ...Samsung Electronics 6 13 PCB Diagram 6 7 1 Test Point Wave Form TP2 TP7 TP4 TP5 TP6 ...