ViewSonic VA712b-1 Service Manual page 16

Chapter 5 POWER SUPPLY
Power Supply (Adapter)
Input Voltage Range
Input Frequency Range
Short Circuit Protection
Over Current Protection
Leakage Current
EFFICIENCY
Fuse
Power Dissipation
Max Input AC Current
INRUSH CURRENT (COLD START)
Power Supply Cold Start
Power Supply Transient Immunity
Power Supply Line Surge Immunity
Power Supply Missing Cycle Immunity
Power Supply Acoustics
US Type Power Cable
European Type Power Cable
CCC Type Power Cable
PSE Type Power Cable
Power Saving Operation(Method)
Power Consumption
Recovery Time
Chapter 6 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
ViewSonic Corporation
Part Number: UP060B1190 or DA-60F19
90 TO 264 VAC
47 TO 63 HERTZ
Output can be shorted without damage
3.476~4.74 A typical at 18.05 VDC
0.25mA (Max) at 264VAC / 60Hz
80 % typical at 115VAC Full Load
Internal and not user replaceable
60 Watts (max) / 51 Watts (typ)
1.6 Arms @ 90VAC,
80 A @ 120VAC, 80 A(max) @220VAC
Shall start and function properly when under full load,
with all combinations of input voltage, input frequency,
and operating temperature
Shall be able to withstand an EN61000-4-4 ±2KV
transient test with no damage
Shall be able to withstand ±2KV (L-L) and ±2.3KV (L-
PE) with no damage
Shall be able to function properly, without reset or visible
screen artifacts, when ½ cycle of AC power is randomly
missing at nominal input
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
Separate 3-prong NEMA 5-15P type plug. Length =
1.8m. Connects to display.
Color = Black
Schuko CEE7-7 type plug.
Length = 1.8m, Connects to display.
Color = Black
Separate 3-prong type plug.
Length = 1.8m. Connects to display.
Color = Black
Separate 2-prong NEMA 1-15P type plug. Length =
1.8m. Connects to display.
Color = Black
VESA DPMS Signaling
ON Mode < 60 W (max) / 51 W (typ)
ACTIVE OFF < 3W
ON MODE = N/A, ACTIVE OFF < 5 SEC
30 – 82 KHZ
50 – 85* HZ.
135 MHz
Independent of sync polarity.
Confidential - Do Not Copy VA712-1_VA712b-1
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