LG 32LG40 Training Manual page 25

TUNER vIDEO AND SIF OUTPUT ChECk
For Easy Access, pop the shield off the tuner. If you leave the shield on you can still access
the same pins. Be careful not to accidentally ground out you test lead on the shield.
MAIN
PWB
Pin 16 Composite Video
Pin 14 Audio SIF
Pin 3 Tuner B+ (5V)
Pin 14
"SIF"
Signal
Pin 16 Pin 16
"Video" "Video"
Signal Signal
CIRCUIT DeSCRIPTIONS
850mVp/p 20nSec rate
1Vp/p 20uSec rate 1Vp/p 20uSec rate
Fall 2008 LCD Training Fall 2008 LCD Training
3
2
L
G
4
0
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