LG 50PQ30 Training Manual page 115

Main Board Crystal X1 and X501 Check
Main Board Crystal X1 and X501 Check
Left Side (1.576V DC) / (2.5V p/p)
Right Side (1.6V DC) / (3V p/p)
12Mhz
Runs all the time
Top (1.49V DC)/(3.84V p/p)
Bottom (1.58V DC)/(5.27V p/p)
25Mhz
X1
X501
MAIN Board
Crystal
Location
Runs only on Digital Channels
115 November 2009 50PQ30 Plasma