LG 32LG40 Training Manual page 50

CIRCUIT DeSCRIPTIONS
lvDS CABlE
LVDS stands for Low Voltage Differential Signals.
The LVDS cable carries video signals from the Main
board to the Control board Their signals can be
confirmed with the Oscilloscope by monitoring
the LVDS signals with no input signal selected
while pressing the Menu button on and off with
the remote control or keypad. Loss of these signals
would confirm the failure is on the Main board. To
remove the connector, press the two outside tabs
inward and pull.
CONTROl BOARD CRYSTAl TEST
4
2
L
G
The Control board contains the MICRONAS chip IC101. This IC is a Full-HD Rate Converter
with Motion Blur Removal and Film De-Juddering for 1080p 100/120 Hz LCD panels. It
6
features:
• Vector based motion compensation
• Dual 10 bit LVDS input
0
• Quadruple 12 bit LVDS output
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Fall 2008 LCD Training Fall 2008 LCD Training
Locking Tabs
Press In
1.7 Vp/p
20.25 Mhz
(Only when set is on)
Press In