Analog Part - Samsung LNT4669F Training Manual

V. Trouble Shooting
B) Analog Part
It is easy to check analog video signal than digital video signal
Use reference signal input ( EX. 16 Gray)
Check Signal Level and sync
Check Signal path until input of Video decoder
It
( Tuner
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Decoder, Scart
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16 Gray Patten
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Switch Video Decoder, AV Connecter
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Switch
→ →
Video Decoder )
H-sync
16 Gray Wave Form
Switch Video
→ →
Gray Level