Acer LCD-S243HL service manual Status Sync Video Power, Backlight Power Supply Items Specification

Models: LCD-S243HL

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Acer

 

Acer –LCD-S243HL

 

 

 

 

 

 

 

 

+5V output

<200mv

See note 2

 

 

 

 

With system

 

 

 

Audio 5V output

<500mv

 

 

 

 

 

DC Output Voltage

+5V output

Vcc5V:4.85V~5.35V

 

 

 

 

 

 

 

 

Audio 5V output

audio 5v:4.8V~5.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

DC output loading capability

 

Vcc5V/1.0A

 

 

 

 

 

Audio 5V/1.0A

 

 

 

Rise Time

 

<50mS

 

 

 

 

 

 

 

 

 

Dynamic load change

 

 

 

 

 

 

 

 

 

 

 

Overshoot

 

<10%

 

 

 

 

 

 

 

 

 

Efficiency

 

≥80%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note 2: Tested by DC loading side parallel with a 47uF/EC and 0.1uF/Ceramic Capacitors and measured

band-width with DC-20MHz.

Table-1

 

Status

H-sync

V-sync

Video

Power

 

Power On

on

on

active

≤ 32W

 

 

 

 

 

 

 

 

off

on

blanked

< 1W

 

Power Saving

 

 

 

 

 

on

off

blanked

< 1W

 

 

 

 

 

 

 

 

off

off

blanked

< 1W

 

 

 

 

 

 

 

Power Off

--

--

--

< 1W

 

 

 

 

 

 

LED

Blue

Amber

Amber

Amber

Off

3.2 Backlight Power Supply

Items

 

 

Specification

 

 

 

Panel

M240HW01 V6

2*8Bar LED

Input Voltage

18---20V

 

 

 

Input current

1.2A (Typ.), 1.5A (Max.)

 

 

 

On/Off switch level

3.6VV on2.0 V

(on)

-0.3v ≤ V off ≤ 0.8 V

(off)

 

 

 

 

Brightness PWM Duty (ACM Off)

30%~100%

 

 

 

 

Brightness PWM Duty (ACM On)

0%~100%

 

 

 

LED operating Voltage

38Vrms(min);40.6Vrms (Type); 44.2Vrms (max)

 

 

 

 

LED Current

 

 

 

20mA

(Typ.)

 

 

 

 

 

 

25mA

(Max.)

 

 

 

 

 

Efficiency

≥80%

 

 

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Acer LCD-S243HL service manual Status Sync Video Power, Backlight Power Supply Items Specification