Service manual

ViewSonic Corporation Confidential - Do Not Copy
11
2.7 AUDIO INTERFACE (SPEAKER SPECIFICATION)
Line input signal 1 Vrms
Line input impedance 10 kOhm
Maximum Amp power output (Watt)
2.0 W (RL=8Ω)
Speaker Power rating(Ω/Watt) 8Ω/2 W (typ.) ; 8Ω/ 3 W (max)
THD
10% (Maxmum output @ 1KHZ)
Signal to Noise Ratio
75 dB
Frequency response 200 Hz – 20 Khz
SPL.
82 ± 3 dB
Line input connection
3.5 mm stereo jacks
Vibration
There should be no audible vibration resonance at
volume=100% & treble / bass in def. value
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 Off when the rest of the monitor is in power
saving
Note: There is no guarantee <2 W at power consumption in
Active Off mode, when the Audio Cable is connected
1
LCD PANEL
1
st
panel
source
Type:
Pixel Pitch
Color Filter
Glass
Viewing Angle
Contrast Ratio
Brightness
Response Time
Color Depth
Backlight Life
INL
CR > 10
19” wide Color TFT Active Matrix WXGA LCD. (MT190AW01 V.0)
0.285mm (H) x0.285mm(V)
RGB Vertical Stripe
Anti-Glare treatment and hard-coating 3H
Horizontal = 140 Degrees (Min), Vertical = 140 Degrees (Min)
Horizontal = 160 Degrees (Typ), Vertical = 160 Degrees (Typ)
700:1 (Typ), 500:1 (Min)
300 cd/m2 (Typ), 230 cd/m2 (Min),
Tr = 1.5ms (Typ), Tf =3.5ms (Typ). Tr+Tf = Total = 5ms (Typ)
Tr = 6.5ms (Max), Tf = 8.5ms (Max) Tr+Tf = Total = 15ms (Max)
16.2 million colors (6 bits + 2 bits FRC)
40,000 Hrs (Min)
2.
INPUT
SIGNAL
Video
Sync
RGB Analog (75 ohms, 0.7 Vp-p); DVI-D
H/V Separated (TTL), Composite, SOG
F
H
:30~82kHz, F
V
:50~85Hz
VX1935wm-3