LG 47LB5DF - Page 23

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Check L729
Check
Power connector
Replace Power board
Check THC63LVD1023 (IC601)
#9(DE), #15(Clk), #7(Hsync),
#8(Vsync)
Check X260 (IC101)
Check P600 #47(DISP_EN),
#33(TXAC-) , #32(TXAC+) ,
#17(TXBC-) , #16(TXBC+)
Check THC63LVD1023 (IC601)
Check LVDS Cable
Check PDP/LCD Module
Control board
1 2 3 4 5
1 : _Check the L729 HIGH.
_Check Power connector.
Y
NY
Y Y Y
Y
N N
2 : _Check the THC63LVD1023 (IC601) input signal
#(Clk) :
74.25MHz
3 : _Check the P600 input signal
#47(DISP_EN) : #33 (TXAC-) :
74.25MHz
3.3V GND
#32 (TXAC+) :
4 : _Check the LVDS Cable 5 : _Check the PDP Module control board
#17 (TXBC-) :
#16 (TXBC+) :
74.25MHz
74.25MHz
74.25MHz