NEC LCD1550X-BK, Руководство по обслуживанию

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- 6 - Document No. VSPF-A028
3. Electrical Characteristics
3.1 Input signals
Video signal Analog RGB / Digital TMDS
Sync signal
Composite Sync(Negative/ Positive)
Separate Sync (Negative/ Positive)
Sync-on green
3.2 Signal level
spec
Signal name
min Typ. max
Unit Remarks
Horizontal frequency 30.0 60 kHz
Vertical frequency 50 75.1 Hz
Video clock frequency 25.1 78.8 MHz
Sync (TTL High level) 2.5 5.0 Volt. Terminated 2.2K ohm to GND
Sync (TTL Low level) 0 0.8 Volt. Terminated 2.2K ohm to GND
Analog video signal 0.6 0.7 1.0 Vp-p Terminated 75 ohm to GND
3.3 Power Supply
Input Voltage 90 to 264VAC
Frequency 47 to 53 / 57 to 63Hz
Power Consumption(max) 38W(MAX)
AC Leakage current 3.5mA
Inrush current (cold start) < 50A
0
-p(AC100V) / < 90A
0
-p (AC240V)
3.4 Power management
This function conforms DPMS of VESA, and International Energy Star Office Equipment program.
Table 3.4.1 . Power Management condition and status for ANALOG Input mode
DPMS Display LED
Power consumption
i
W
j
Recovery
times (sec)
H-sync V-sync
On state normal
GREEN
< 38W --- ON ON
No display AMBER < 3W Approx. 3sec. OFF ON
No display AMBER < 3W Approx. 3sec. ON OFF
Active off
No display AMBER < 3W Approx. 3sec. OFF OFF
Complete No display OFF 0W N/A N/A N/A
Table 3.4.2 Power Management condition and status for DIGITAL Input mode
Signals DPMS Display LED Power
consumption
i
W
j
Recovery
times
(sec)
DE H-Sync. V-Sync.
On normal Green < 38W N/A Pulses ON ON
Active OFF No Display Amber < 3W Approx.
3sec.
No Pulses N/A N/A
Complete No Display OFF 0W N/A N/A N/A N/A