NEC LCD1280 user manual Signal levels, 765V, 035V 054V 072V, 627V 660V 694V, 05V

LCD1280 10/29/99 9:25 AM Page 11

Appendix 2

H-Video

Thd

Horizontal

Thp Thb Thf

Th

V-Video

Tvd

Vertical

Tvp Tvb Tvf

Tv

Fig. A2-1: Horizontal Timing Fig. A2-2: Vertical Timing

Vsync

H sync

Th

H sync

	2.0V
	0.8V
Thrf	Thrf

Fig. A2-3: Sync Timing

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Appendix 3

Signal levels

	Min.	Typ.	Max.
Video Swing (White – Blank: W/O Sync process)	–	–	0.765V
Setup level (Black – Blank)	0.035V	0.054V	0.072V
White level (White – Black)	0.627V	0.660V	0.694V
Video input offset (VAIO)	.05V	–	0.5V

White Level

	White Level
		Video swing
Video swing			Black Level
	Black Level	Setup	Blank Level
Setup	Blank Level		Sync Level
Fig. A3-1: Separate video wave forms		Fig. A3-2: Sync on Green video wave forms

Hsync

Video

VAIO

Ground Level

Fig. A3-3: Video input offset

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