ViewSonic N4285p-4M, Руководство по обслуживанию

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2. Video
Built-in A/D converter shall provide analog to digital converter for this product.
Input Parameter Specification
CVBS Characteristics:
Video Amplitude Signal
DC Level Sync Pulse
0.7(min.) – 1.1(max.) V
Typical. 0.3 V
S-Video Characteristics:
Video Amplitude Signal Y : 1.0Vp-p W / Neg. Sync (IN 75 Ω )
C : 0.285Vp-p (IN 75 Ω )
Y, Pb, Pr Characteristics:
Video Amplitude Signal Y:1.0Vp-p (IN 75 Ω )
Pb:0.7 Vp-p(IN 75 Ω ),Pr:0.7 Vp-p (IN 75 Ω )
Video Bandwidth NTSC: 6 MHz Maximum
HDMI Characteristics Panel Link T.M.D.S HDMI-1.3
RGB Characteristics:
Signal Type
Input Signal Rating
Sync Type
Sync Level:
Frequency Range
Pixel Color
DDC Compliance
EDID Data Table
Analog VGA
1250mV Max without damage to the product, 0-700 mV Full Range
TTL, Separate Sync, with 4.7K
Ω
pull-down resistors
2.5-5.25 V
Horizontal: 30-82K Hz, Vertical: 55-75 Hz
16.7 M
DDC2B Compliant, Rev 1.3
Refer to Appendix
3. Audio
Audio amp of this product shall be provided by “YAMAHA” with a Model Number of YDA148 .
“SiS” SiS328MX for N4285p-4M shall be used as sound processor. In addition, a pair of speakers shall be
integrated within this product. The audio signals of this product shall comply with the specification listed in
the following table.
Parameter Specification
Tuner Input Base band Input
Power Output Max Rating
10W at 10 % T.H.D Distortion 10W at 10% T.H.D Distortion
Speaker Impedance main spk :6 Ω main spk :6 Ω
Line In
Per Tuner Spec
500 mV rms (Typ)
1.6 V rms (Max)
Input Impedance: 47K ohms
Line Out
500 mV rms +/- 10%
@1K Hz tone (with +/-25 Hz deviation at
input, volume with non-attenuation and
loading with 47k Ohms)
500 mV rms +/- 10%
@1K Hz tone (with +/-25 Hz
deviation at input, volume with
non-attenuation and loading with
47k Ohms)
Flatness of Amplitude
Response
+/- 3 dB (at 1KHz @1W) +/- 3 dB (at 1KHz @1W)
Total Harmonic Distortion
(Po=0.1 to 1 W, f=1KHz)
<2% <2%
Signal to Noise:
30 dB (40Hz to 15KHz) 40 dB (400Hz to 20 kHz)
ViewSonic Corporation
Confidential - Do Not Copy
N4285p-4M
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