Sony KDL-40SL140 Training Manual page 24

Troubleshooting
CAUTION:
Probe Carefully . Do not short live video wire to black ground wire .
VOM AC Voltage Measurement – Approx. 20mVAC
No Video AC Voltage Measurement - Approx. 5mVAC
~20mVpp
LVDS Video
12V
(Twisted Pairs )
5mV per div. 5us per div .
5mV per div. 5us per div .
Good LVDS Video Waveform
No Video LVDS Line
TCON Board LVDS Connector
TCON
BM5-Board
LVDS VIDEO SIGNAL TEST POINTS
FIGURE 4-3
CTV-51 23