LG 42PQ30 Training Manual page 71

Troubleshooting the Z
Troubleshooting the Z
This Section of the Presentation will cover troubleshooting the
This Section of the Presentation will cover troubleshooting the
Assembly. Upon completion of this section the Technician will ha
Assembly. Upon completion of this section the Technician will ha
circuit and be able to locate voltage and resistance test points
circuit and be able to locate voltage and resistance test points
alignment.
alignment.
Operating Voltages
Operating Voltages
- SUS Drive section of the Y
- SUS Drive section of the Y
Locations
Locations • DC Voltage and Waveform Test Points
• Z BIAS Alignment
• Resistance Test Points
Y SUS Supplied
Developed on Y SUS
- SUS PWB
- SUS PWB
Z - Drive section of the Y
Z - Drive section of the Y
ve a better understanding of the
ve a better understanding of the
needed for troubleshooting and
needed for troubleshooting and
Preliminary Information 42PQ30
71
- Z - SUS Board
- Z - SUS Board
VS
5V Vcc
15V
Z Bias