LG M4224C - Page 26

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Only for training and service purposes
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C
2008
- 26 -
6. NO RASTER STATE ON HDMI SIGNAL
NO RASTER STATE ON
HDMI SIGNAL
CHECK SIGNAL CABLE AND
OUTPUT DEVICE
CHECK INPUT JACK
(JK101)
NO
1. CHECK IC120
2. CHECK Vcc OF IC120
3. CHECK PERIPHERALS OF
IC120
YES