LG 47LB5DF - Page 31

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1 : _Check HDCP Error
_Retry power off and on (TV or STB/DVD…) _Check MST3361(IC402) HDCP IIC line (#69,#70)
2 : _Check EDID Download
(RX0C-,RX0C+) :
Frequency : Different according to format !!
4 : _Check MST3361(IC402) Outputs
SCL : SDA :
3 : _ MST3361(IC402) inputs
(RX1C-,RX1C+) :
(Vsync) :
(DE) :
(Clk) :
(Hsync)
59.94Hz
Frequency : Different according to format !!
(Data) :
5 : _Check X260 (IC101) Inputs
_Signal shape is same (above)
Snow noise (White dot) ?
Power off and on
(TV or STB/DVD…)
Video is normal & No Sound ?
Check HDCP Power Pin(IC404),
MST3361(IC402) IIC(#69,#70)
Check MST3361(IC402) inputs
Power, Osc
#25,#26(RX1C-,RX1C+),
#14,#15(RX0C-,RX0C+)
Re-download
EDID(IC406/407/408)
Check MST3361(IC402) Outputs
V-out (#99) , H-out (#98) ,
Clock (#96) , Data
1 2 3
4
N
Y
N Y
Y
Check X260 (IC101) Inputs
MST3361_HS(#T6) ,
MST3361_VS(#T5) , Clock (#P3) ,
Data (30Bit) , DE(#U6)
5