Samsung PS42S5HX/XEH Service Manual page 108

Circuit Description
3) X
- Check that the output of X-Out of the X board follows the waveform of #Attachment 2 when the power is supplied.
13-22
CN4004
- Power
CN4003
- Signal
CN4000
- Panel
CN4002
X - OU T
- Panel
CN4001
- Panel
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