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ViewSonic Corporation
Confidential - Do Not Copy
VX2235wm-3
4
Sync Signals
TTL
DDC 1/2B
Compliant with Revision 1.3
Sync Compatibility
Separate Sync, Composite Sync, SOG
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, 1152 x 870, 1280 x 720, 1280 x 960,
1280 x 1024 , 1400 x 1050 , 1440 x 900 , 1600 x 1200, 1680 x 1050
* 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
4-3 POWER
SUPPLY
Internal Power Supply
Part Number: HJC- H0AU032001
INPUT VOLTAGE RANGE
AC100~240 (WORLDWIDE)
Input Frequency Range
47 TO 63 HERTZ
Short Circuit Protection
Output can be shorted without damage
Over Current Protection
5A TYPICAL AT 5 VDC ( Protect when short circuit )
Leakage Current
3.5mA (Max) at 264VAC / 50Hz
EFFICIENCY
80 % typical at 115VAC Full Load
75% minimum at 115VAC Full Load
Fuse
Internal and not user replaceable
Power Dissipation
< 48 Watts (typ)
Max Input AC Current
1.5Arms @ 90VAC , 0.75Arms@ 180VAC
INRUSH CURRENT (COLD START)
50A MAX./ 115V
AC
/ 60HZ (COLD START AT 25 ,FULL LOAD)
℃
90A MAX./ 230V
AC
/ 50HZ (COLD START AT 25 ,F
℃
ULL LOAD)
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 6000V 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 define 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- W/O Audio < 43W (Typ) / 48W (Max)
On Mode- W/Audio < 50W (Typ) / 55W (Max)
Saving Mode < 2 W@230VAC 50HZ
Off Mode < 1 W @230VAC 50Hz
(DC Power Off; Meet to Energy Star Ver4.0 Tier2)
Recovery Time
On Mode = N/A, Active Off < 3 sec
Summary of Contents for VX2235wm-3
Page 37: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 34 6 Troubleshooting Flow Chart...
Page 38: ...6 1 NO POWER 6 2 MCU NO FUNCTION ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 35...
Page 39: ...6 3 NO DISPLAY ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 36...
Page 40: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 37 7 Block Diagram...
Page 51: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 48 9 2 MAIN PCB BOTTOM VIEW...
Page 53: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 50 9 5 POWER PCB TOP VIEW...
Page 54: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 51 9 6 POWER PCB BOTTOM VIEW...
Page 56: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 53...