Samsung LE32A Series - Digital Part; Flow Chart & Waveforms

C) Digital Part
It is difficult to check digital video signal because of too fast and small signal
Check digital video signal, Use H-sync, V-sync and Clock for basic
Each digital video ICs connected with data line, H-sync, V-sync and Clock line
Check H-sync period, V-sync period, Clock period
If period is out of spec, Change the IC
H-Sync
1
Period(15.63kHz)
V-Sync
1 Period(50Hz)
Clock
1 Period(13.5MHz)
V. Trouble Shooting
This example is Normal PAL TV signal Sync and Clock