Input Signal Quality; Power Supply Requirements; Input Power Requirements - Acer 7277e Service Manual

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- Display
- Resolution
- Polarity H/V
- Sync type
- UVGA8
(fH)
(Aus)
(Bus)
(Cus)
(Dus)
(Eus)
(fv)
(Oms)
(Pms)
(Qms)
(Rms)
(Sms)
Display
Resolution
Polarity H/V +/+
Sync Type

1.3.1.5 Input signal Quality

(1) Rise/Fall time
Video Signal : less than 3.5ns
Horizontal SYNC : less than 50ns
Vertical SYNC : less than 100ns
(2) TTL Signal Level
The levels of Horizontal & Vertical SYNC will be TTL level, their high level will be 2.4-5.5V, and
low level will be 0-0.2V.
(3) Video Signal Level
The video signal when terminated with an idea 75ohm termination will have a range of 0V to
0.7V (nominal), and its full scale output will be 0.7V and black level will be between 0V and 0.1V.

1.3.2 Power Supply Requirements

1.3.2.1 Input Power Requirements

(1) Input Voltage Range
The unit shall meet all the operating requirements with an input voltage range of 90-264 Vac
(2) Input Current
Maximum
Input Current
(MAX) 1.5 Arms with PFC
(MAX) 2.5Arms w/o PFC
(3) Frequency Range
The unit shall operate within a frequency range of 47Hz to 63Hz.
System Overview
1024x768
1024x768
-/-
separate
separate
68.677KHz
14.561
1.016
2.201
10.836
0.508
85Hz
11.765
0.044
0.524
11.183
0.015
1024X768
separate
Measuring Range
90Vac -- 264Vac
No Copy/Reproduction Allowed
1280x1024
-/-
+/+
separate
API Confidential
1-7

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