- 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
Summary of Contents for LCD1550X-BK
Page 88: ...SCHEMATIC DIAGRAM POWER LCD1550X Normal Power Save 1ch Pin 4 2ch Pin 1 3ch Pin 2 4ch Pin 5 ...
Page 89: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X ...
Page 90: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X ...
Page 91: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X ...
Page 92: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X ...
Page 96: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X ...
Page 97: ...SCHEMATIC DIAGRAM INVERTER LCD1550X 1ch Q701 B 2ch Q702 B ...
Page 98: ...SCHEMATIC DIAGRAM PWB SW LCD1550X ...
Page 100: ...SCHEMATIC DIAGRAM POWER LCD1550X ...
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Page 102: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X ...
Page 103: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X ...
Page 104: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X ...
Page 105: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X ...
Page 106: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X ...
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