Samsung HT-BD2E 4-troub free download

File name HT-BD2E_4-troub.pdf

Troubleshooting 4.Troubleshooting 4-1 CheckpointsbyErrorMode...4-2 4-2 MeasurestobetakenwhentheProtectionCircuitoperates...4-17 4-3 Initialization&UpgradeMethods...4-18 . Samsung Electronics 4-1 Troubleshooting 4-1 CheckpointsbyErrorMode OscilloscopeSettingValues Voltage/DIV 1V/div TIME/DIV 500ms/div 4-1-1 NOPOWER The power does not turn on. Check for VDD(5V) No No POWER PCB (SMPS) MUIC1 Main PCB; C72 (+) Check (5.6V)? #14, 40, 55, 89 Yes Yes Replace PCN1 wire Check for Circuit at SMPS PCB; Fuse (F1), T2 Check for Check Normal No No POWER-SENSE(5V) at Main PCB; Voltage at SMPS PCB; #14 of MUIC1 Q51 (Collector) Yes Yes Check pattern from PCN1 to Replace R51, R52, Q51, D51. #22 of MUIC1 Check Resistance from GND to #22 of MICOM (MUIC1) If the short (0 ohm) Replace MICOM (UIC1) When Power On No Replace VFD DRIVER IC for Front PCB, Check for HIGH Voltage(5V) at UIC2; #16 (UIC2) Yes Check for VFD1, 2 ~ 61, 62 No Check for Circuit at SMPS VFD DC 5V PCB R13 (-34V) Yes Check for connector from Main PCB to Front PCB; SCN2 4-2 Samsung Electronics Troubleshooting 4-1-2 NODISCERROR DISC Loading Error Are Main and No Check the Power Deck Power OK? Yes