LG 42LH90 Manual page 75
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Also See for 42LH90:
- Owner's manual (134 pages) ,
- Specifications (2 pages) ,
- Manual de usuario (128 pages)
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Main Board X3500 and X1005 Crystal Check
Main Board X3500 and X1005 Crystal Check
5.34Vp/p 25Mhz
X3500
Dimming/Tru-Motion
Right Leg
IC3502 Dimming IC Crystal
1.54V
1.57V
3.94Vp/p 25Mhz
Set on. Use Left leg.
IC1005 Tuner Control IC Crystal
X1005
1.54V
3.54Vp/p 25Mhz
Set on. Use Top leg.
5.67Vp/p
25Mhz
1.64V
MAIN Board
Bottom
Leg
75
February 2010
LCD DV
42LH90
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Troubleshooting
