Service manual

2.3 VIDEO INTERFACE
Analog Input Connector DB-15 (Analog), refer the appendix A
Digital Input Connector N/A
Default Input Connector Defaults to the first detected input
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
1. Video RGB (Analog)
2. DVI (Digital)
Separate
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 2B Compliant with Revision 1.3
Sync Compatibility Separate Sync
Video Compatibility
Shall be compatible with all PC type computers,
Macintosh computers, and after market video cards
Resolution Compatibility
640 x 350*, 640 x 480, 720 x 400* (640 x 400*), 800 x
600, 832 x 624, 1024 x 768, 1152 x 864, 1280 x 768,
1280 x 960, 1280 x 1024, 1440 x 900
* The image vertical size might not be full screen.
But the image vertical position should be at the center.
Exclusions Not compatible with interlaced video
2.4 POWER SUPPLY
Power Supply (power build-in) CMO Part Number: 27-D003247
Input Voltage Range 100 TO 240 VAC
Input Frequency Range 50 TO 60 HERTZ
Short Circuit Protection Output can be shorted without damage
Over Current Protection FUSE 3.15 A typical at 250 VAC
Leakage Current 75 mA (Max) at 240VAC / 50Hz
EFFICIENCY 80 % typical at 100VAC @ 60 Hert
Fuse Internal and not user replaceable
Power Dissipation <1 Watts
Max Input AC Current 1.6 Arms @ nominal range
INRUSH CURRENT (COLD START) 80 A @ 240VAC , 50Hz
Power Supply Cold Start
Shall start and function properly when under full load,
with all combinations of input voltage, input frequency,
and operating temperature
Power Supply Transient Immunity
Shall be able to withstand an EN61000-4-4 ±2KV
transient test with no damage
Power Supply Line Surge Immunity
Shall be able to withstand ±2KV (L-L) and ±2.3KV
(L-PE) with no damage
Power Supply Missing Cycle Immunity
Shall be able to function properly, without reset or visible
screen artifacts, when ½ cycle of AC power is randomly
missing at nominal input
Power Supply Acoustics
The power supply shall not produce audible noise that
would be detectable by the user. Audible shall defined
to be in compliance with ISO 7779 (DIN EN27779:1991)
Noise measurements of machines acoustics. Power
Switch noise shall not be considered
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