September LCD TV 47LX9500
71
Inverter 13V LED B
Inverter 13V LED B
+
+
DC to DC Converter Troubleshooting
DC to DC Converter Troubleshooting
14.5V p/p 296KHz
Q5, Q8
Q106
39.53V p/p 296KHz
Q4, Q7
Q105
30.1V p/p 296KHz
Q4, Q7
Q105
1
3
2
Each of the Pin
numbers for the
Components listed
above are the same.
Q5, Q8 or Q106 Pin 3 is Ground
Main (Pin 1) Secondary
Main (Pin 1) Secondary
Main (Pin 3) Secondary
Q5, Q8
Q106
Main (Pin 2) Secondary