Hitachi 17LD4200 Service Manual page 6

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2.2.2 ANALOG RGB SYNC INPUTS
Level:
Separate sync. Polarity: positive or negative
The Monitor has to operate up to the following specified TTL-input signals:
< 0 7V
2 4V
0 8V
0V
H- Sync. and V – Sync. signals at the monitor input
High logic level
Low logic level
Rise time
Fall time
Overshoot
Undershoot
2.2.3 ANALOG RGB VIDEO BLANKING
Video is blanked for a period of 2sec. to 3sec. during change of modes or if undefined
signals are applied. No switching effects are visible.
L = 0V ~ 0.8V
< 200ns
< 50ns
< 50ns
: ≥ 2.4V
: ≤ 0.8V
: 0.8V ~ 2.4V: < 50ns
: 2.4V ~ 0.8V: < 50ns
: ≤ 0.7V
: ≤ 0.7V
H = 2.4V ~ 5V
2 4V
0 8V
< 0 7V
< 200ns
6

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