LG 50PJ340 Training Manual - Page 114

Main Board Crystal X1, X402 and X401 Check

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Main Board Crystal X1, X402 and X401 Check X1 12Mhz X1 1.49V 1.58V X1 Runs all the time (Micro Halt Crystal) X402 Runs only during "On" (Overtone Crystal) X402 1.48V X1 MAIN Board Crystal Location 1.6V 0.54V X401 0.66V 114 Left Side 2.6V p/p Right Side 3.50V p/p X402 25MHZ Top Side 2.8V p/p Bottom Side 4.2V p/p X401 31.875MHZ Left Side 0.7V p/p Right Side 1V p/p July 2010 50PJ350 Plasma

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114
July 2010
50PJ350
Plasma
MAIN Board
Crystal Location
Main Board Crystal X1, X402 and X401 Check
Main Board Crystal X1, X402 and X401 Check
X1 12Mhz
X402 Runs only
during “On”
(Overtone Crystal)
X1 Runs all the time (Micro Halt Crystal)
X402 25MHZ
X1
X1
X402
1.49V
1.58V
1.48V
1.6V
0.66V
0.54V
X401 31.875MHZ
X401
Right Side 1V p/p
Left Side 0.7V p/p
Right Side 3.50V p/p
Left Side 2.6V p/p
Bottom Side 4.2V p/p
Top Side 2.8V p/p