Samsung HT-C350.part4 free download

File name Samsung HT-C350.part4.rar

Troubleshooting 4.Troubleshooting 4-1 CheckpointsbyErrorMode 4-1-1 PowerFailure The power does not turn on. 5.8V output check Yes Check Main Assy (COM3, Pin 1, Pin 2) 5.8V? - specially check around MICOM IC (Vcc) No Check input voltage of IC5601 No Replace IC5601 Cathode of DR5601 6 ~ 16V? Yes Check diodes (DR5601, DR3502) No Replace Diode OK? Yes Check primary side. No Replace Fuse (5A 250V) Fuse (F1) OK? Yes A Samsung Electronics 4-1 Troubleshooting A Check SWITCHING IC (IC01) Yes short test pin 8 to pin 1, 2, 3, 4, 5, 6, 7 OK Replace IC01 (means not short)? No Check M01. No All pins are not shorted to each other. Replace M01 Yes Check components around IC. No Replace component if it has problem. R13, R14, D06, D07, D05 Yes Replace SMPS ASSY 4-2 Samsung Electronics Troubleshooting 4-1-2 NoPower No power detected (Stand by LED off) No F1 is OK? Change Fuse CON3 pin 1, 2 is 5.8V No No ICFB01 pin 1 is 2.5V? and CON2 pin 1~6 is 22V? Yes Yes Check MAIN PCB Check MAIN PCB Change SMPS Samsung Electronics 4-3 Troubleshooting 4-1-3 NoSound(waveformwhen1KHz,-20dBsignalisinput) No Sound Check