Samsung samsung hw-c500 c700-e-4-trouble free download

File name samsung_hw-c500_c700-e-4-trouble.pdf

Troubleshooting 4.Troubleshooting 4-1 CheckpointsbyErrorMode OscilloscopeSettingValues Voltage/DIV 1V/div TIME/DIV 500ms/div 4-1-1 NoPower The power does not turn on. 1 Check if the Micom 2 power is normal. No Check if 5.6V, 3.3V is No Check if +3.3V is measured at the measured at the UIC5 of the pin 22, 53, 70, and Main PCB. 73 of UIC1. Refer to wave pattern Yes Refer to wave pattern image of Fig. 4-1. image of Fig. 4-2. Yes 3 Check the power circuit of Check the connector. SMPS PCB SMPS : CON3 Pin 5 (5.6V) (Check the outputs of FUSE: MAIN : UCN2 Pin 10 (5.6V) FL1 and ICA1) Refer to wave pattern image of Fig. 4-3. Check Main PCB Check if the output No No Power-Sense (5V). voltage of the L3 of the Check pin 28 of UIC1. SMPS PCB is 5V. Yes Check the connector. Check the power circuit of Yes SMPS : CON3 Pin 5 SMPS PCB MAIN : UCN2 Pin 10 (Check the outputs of FUSE: FL1 and ICA1) A Samsung Electronics 4-1 Troubleshooting A Check if "H(5V)" is measured at the pin 92 of the No UIC1 when the Main PCB Replace the Micom (UIC1). power is turned on. Yes Check the pin 5 of CON3 of Check pin 10 of UCN2 No SMPS PCB and check the of the Main PCB. voltages of both the ends of L3