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3. Product Overview
3.1 Power Supply
Items
Condition
Spec
Note
AC Input Voltage range
Universal input full range
90~264Vac
AC Input Voltage rating
Universal input full range
100~240Vac
AC input frequency range
90~264Vac
47~63Hz
AC input frequency rating
100~240Vac
50~60Hz
100Vac 1.5A(max)
AC Input Current
240Vac 0.8A(max)
100Vac,cold star,25°C
40A (max)
Inrush Current
240Vac,cold star,25°C
60A(max)
See Note2
AC-DC power Efficiency
DC output full loading
≥
75%
Note2. Before each test, the buck capacitors need to be discharged.
Before each test, it must be 10 minutes at least after the latest test.
Hot star not component be damaged.
3.2 Signal Interface
Input Connector
Analog : D-sub 15
Video Cable Strain Relief
Equal to twice the weight of the monitor for five
minutes
Video Cable Connector DB-15 Pin out
Compliant DDC 2B
Video Signals
Video RGB (Analog)
Video Impedance
75 Ohms (Analog)
Maximum PC Video Signal
950 mV with no damage to monitor
Maximum Mac Video Signal
1250 mV with no damage to monitor
Sync Signals
TTL
DDC 1/2B
Compliant with Revision 1.3s
Sync Compatibility
Separate Sync / Composite Sync / Sync on Green
Video Compatibility
Shall be compatible with all PC type computers,
Macintosh computers, and after market video cards
3.3 Scan Range
Item
Condition
Specification
Horizontal
Sync polarity: (+) or (-)
24kz~83KHz
Vertical
Sync polarity: (+) or (-)
50Hz~76Hz
Out of Range
Sync don’t in the range:
Horizontal: 24kz~83KHz or
Vertical : 50Hz~76Hz
Message “
Out of Range!
” on screen
Summary of Contents for G2220HD - 21.5" LCD Monitor
Page 17: ...17 Power Off 1W Off...
Page 21: ...21 5 Stick the foil 6 Stick the foil 7 Plug in the keypad cable 8 Assemble the back cover...
Page 22: ...22 9 Assemble the stand and screw the screws 10 Assemble the base...
Page 25: ...25 5 Remove the keypad cable 6 Pull out the lamp wire 7 Remove the foil 8 Remove the foil...
Page 26: ...26 9 Pull out the LVDS 10 Remove the chassis 11 Remove the keypad 12 Remove the panel...
Page 27: ...27 5 4 Block diagram Power Board...
Page 28: ...28...
Page 29: ...29...
Page 30: ...30...
Page 31: ...31 IF Board...
Page 32: ...32...
Page 33: ...33...
Page 34: ...34...
Page 35: ...35 5 5 Lay out 5 5 1 IF board lay out...
Page 36: ...36...
Page 37: ...37 5 5 2 P I Board lay out...
Page 47: ...47 6 Dimmession Drawing...