Samsung Troubleshooting free download

File name Troubleshooting.pdf

4. Troubleshooting 4-1 Troubleshooting---------------------------------------------------------------------------------- 4-2 4-2 Software Update ------------------------------------------------------------------------------- 4-25 Samsung Electronics 4-1 Troubleshooting 4-1 Troubleshooting Disc can not be played Check focussing signal for Pick-Up Deck. No Is focussing signal in IC3 in pin Change IC3 of Main Board. 13 & 14 normal? Refer to a pattern Yes image of Table 4-1 Is connection NG between Main PCB and Pick-Up Change Deck of Main Board. Deck in CN2 & DCN2 normal? OK A 4-2 Samsung Electronics Troubleshooting q FE Waveform IC3 Pin 13,14 IC3 Refer to a pattern image of Main PCB page 6-4 Refer to a pattern image of Decoder (Main PCB) Page 7-8 Fig. 4-1 Samsung Electronics 4-3 Troubleshooting Pick-up deck can't move A Is Sled PWM signal in MIC1 NG Change MIC1 of Main Board. Pin18 normal? Refer to a pattern OK image of Table 4-2 Is sled signal for pick up in No Change IC3 of Main Board. IC3 Pin 17 &18 normal? Yes Change the connection between IC3-17, 18 with Pick-Up Deck in DCN2 4-4