ViewSonic VA702B Service Manual - Page 9

Power Supply - out of range

Get ViewSonic VA702B - 17inch LCD Monitor PDF manuals and user guides
UPC - 766907146417
View all ViewSonic VA702B manuals
Add to My Manuals
Save this manual to your list of manuals

Page 9 highlights

POWER SUPPLY Internal Power Supply 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 Part Number: ILIPI-004 90 TO 264 VAC 47.5 TO 63 HERTZ Output can be shorted without damage 2.4 A typical at 14.2 VDC 3.5mA (Max) at 254VAC / 60Hz 80% typical at 115VAC Full Load Internal and not user replaceable 35 Watts (typ) 0.8 Arms @ 90VAC, 0.4 Arms @265VAC 30 A @ 120VAC, 50 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 ANSI/IEEE C62.41-1980 2000V 200 ampere ring wave transient test with no damage Shall be able to withstand 1.5 times nominal line voltage for one cycle 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 be 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 < 36 W (max) / 35 W(typ) Off Mode< 1W On Mode = N/A, Active Off < 3 sec ViewSonic Corporation Confidential - Do Not Copy 6 VA702-1_VA702b-1

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
ViewSonic Corporation
Confidential - Do Not Copy
VA702-1_VA702b-1
6
POWER SUPPLY
Internal Power Supply
Part Number: ILIPI-004
Input Voltage Range
90 TO 264 VAC
Input Frequency Range
47.5 TO 63 HERTZ
Short Circuit Protection
Output can be shorted without damage
Over Current Protection
2.4 A typical at 14.2 VDC
Leakage Current
3.5mA (Max) at 254VAC / 60Hz
Efficiency
80% typical at 115VAC Full Load
Fuse
Internal and not user replaceable
Power Dissipation
35 Watts (typ)
Max Input AC Current
0.8 Arms @ 90VAC, 0.4 Arms @265VAC
INRUSH CURRENT (COLD START)
30 A @ 120VAC, 50 A (max) @ 220VAC
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 ANSI/IEEE
C62.41-1980 2000V 200 ampere ring wave
transient test with no damage
Power Supply Line Surge Immunity
Shall be able to withstand 1.5 times
nominal line voltage for one cycle 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 be defined to be in compliance
with ISO 7779 (DIN EN27779:1991) Noise
measurements
of
machines
acoustics.
Power Switch noise shall not be considered
US Type Power Cable
Separate 3-prong NEMA 5-15P type plug.
Length = 1.8m. Connects to display.
Color = Black
European Type Power Cable
Schuko CEE7-7 type plug.
Length = 1.8m, Connects to display.
Color = Black
CCC Type Power Cable
Separate 3-prong type plug.
Length = 1.8m. Connects to display.
Color = Black
PSE Type Power Cable
Separate 2-prong NEMA 1-15P type plug.
Length = 1.8m. Connects to display.
Color = Black
Power Saving Operation(Method)
VESA DPMS Signaling
Power Consumption
On Mode < 36 W (max) / 35 W(typ)
Off Mode< 1W
Recovery Time
On Mode = N/A, Active Off < 3 sec