Service manual

ViewSonic Corporation Confidential - Do Not Copy VX1935wm-1
5
Vibration
There should be no audible vibration
resonance at volume=100%(input
signal within 1.0 Vrms)
Screen image
There should be no affect on the screen
image stability under any conditions
Connector PC99 requirement Audio in
Lime Green pantone # 577C
Cable type / length 3.5mm stereo cable / 1.8m length
Audio DPMS
SPEAKERS STAY ON WHEN THE
REST OF THE MONITOR IS IN
POWER SAVING
NOTE: THERE IS NO GUARANTEE <1
W AT POWER CONSUMPTION IN
ACTIVE OFF MODE, WHEN THE
AUDIO CABLE IS CONNECTED
z Panel Characteristics:
1
st
Source Panel
Model number HSD HSD190SGW1-A
Type TN TYPE WITH RSDS INTERFACE
Active Size 19” WIDE ; 408.24 (H) x 255.15 (V)
Pixel Arrangement RGB VERTICAL STRIPE
Pixel Pitch 0.2835(H) X 0.2835(H) MM
Glass Treatment ANTI GLARE (HARD COATING 3H)
# of Backlights 4 CCFL ; TOP & BOTTOM EDGE SIDE
Backlight Life 40,000 HOURS (MIN)
Luminance (5-point) –
Condition:
CT = 6500K, Contrast = Max,
Brightness = Max, Inverter
Current=6.5mA
300 CD/M2 (TYP)
240 CD/M2 (MIN AFTER 30 MINUTE WARM
UP)
Brightness Uniformity ≧70% ENTIRE AREA (MIN)
Contrast Ratio *1 700:1 (TYP), 450:1 (MIN)
Color Depth 16.2 MILLION COLORS (6 BITS + 2 BITS
FRC)
Viewing Angle (Horizontal) @ CR>10
Typical: 150º
Minimum: 130º
@ CR>5
Typical: 170º
Minimum: 150º
Viewing Angle (Vertical) @ CR>10
Typical: 140º
MINIMUM: 120º
@ CR>5
Typical: 160º
Minimum: 140º
Response Time *1
10%-90% @ Ta=25°C
Typical = 5ms (Tr =
1.5 ms,Tf =3.5 ms)
Maxmum = 10ms (Tr =3 ms,Tf =7 ms)
Panel Defects Please see Panel Quality Specifications.
*1 Test conditions: Inverter Current=6.5mA, Color Temp.=User Mode, OSD: Brightness=100%, Contrast=100%