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Narrowing down the problem: To determine whether the problem is in the power PCB or the display PCB, you can use a process of elimination. Start by checking the power supply voltage on the power PCB. Use a multimeter to check the voltage at the various points in the circuit, as specified in the circuit diagram, and ensure that the voltage is within the normal range. If the voltage is normal, then the problem is likely to be in the display PCB. If the voltage is not normal, then the problem is likely to be in the power PCB.
Troubleshooting further:
Power PCB: If you suspect that the problem is in the power PCB, you can use the circuit diagram to trace the power supply voltage through the PCB and look for any components that may be faulty or not functioning properly. A common cause of power supply issues is a blown fuse or a faulty rectifier. Check for any visually damaged components or loose connections and replace them if necessary.
Display PCB: If you suspect that the problem is in the display PCB, you can use the circuit diagram to trace the signal from the power-on button to the display driver IC or the T-CON board. Check for any visibly damaged components or loose connections and replace them if necessary. Check also the backlight of the display if it's functioning properly.
Please keep in mind that troubleshooting electronic circuit boards requires proper diagnostic tools and expertise. If you're not confident in your ability to troubleshoot the issue, it's best to have the TV serviced by a professional technician to avoid any potential damage to the equipment or injury to yourself.
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Samsung corby gt b 5310
mic problem solution,mic connection out on the pcb.so i,need solution
mic diagram where i connect their mic track ?So plz help me....
I was able to get hold of a schematic diagram to locate the part number for sensor :
part code 2090463 SENSOR TR-0
When I inspected the original part the pcb was cracked therefore the sensor was unable to dectect the 'mirror' which is a silver square located on belt on photo con unit.
If you require a copy of the schematic diagram (pdf) let me know an address to send it to.
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