Electrical Characteristics; Interface Signals; Interface - Philips 190P7 Service Manual

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19" LCD Color Monitor

3. Electrical characteristics

3.1 Interface signals

1). DVI-I Analog
Composite sync TTL level, input impedance 2.2k ohm terminate (Positive/Negative)
Sync on green video 0.3 Vp-p Negative (Video 0.7 Vp-p Positive)
2). DVI-I Digital
Input signal : Single TMDS link (Three channels: RX0-/+, RX1-/+, RX2-/+)
3). Audio
Input signal: 500mVrms
Loudspeaker (Impedance: 16 Ohm +/-15%): 2W+2W stereo for RMS Power
Frequency range: 320Hz - 13KHz
Headphone connection will mute speakers
4). USB hub
Input signal: Upstream input (V
Output signal: Downstream output (V

3.2 Interface

3.2.1 DVI Cable (analog part) (adapter or cable?)
3.2.2 DVI Cable (digital part)
Input signal : Video, Hsync., Vsync
Video : 0.7 Vp-p, input impedance, 75 ohm @DC
Sync. : Separate sync
Hsync Positive/Negative
Vsync Positive/Negative
BUS
The input signals are applied to the display through DVI-D (?) cable.
Length. : 1.8 M +/- 50 mm
Connector type. : DVI-D male with DDC-2B pin assignments
White connector thumb-operated jackscrews
Pin Assignment:
Pin No. Description
1 T.M.D.S. data2-
2 T.M.D.S. data2+
3 T.M.D.S. data2 shield
4 No Connect
5 No Connect
6 DDC clock
7 DDC data
8 No Connect
9 T.M.D.S. data1-
10 T.M.D.S. data1+
11 T.M.D.S. data1 shield
12 No Connect
13 No Connect
14 +5V Power
15 Ground (for +5V) – Cable detect
16 Hot plug detect
17 T.M.D.S. data0-
18 T.M.D.S. data0+
19 T.M.D.S. data0 shield
20 No Connect
21 No Connect
22 T.M.D.S clock shield
23 T.M.D.S. clock+
24 T.M.D.S. clock-
TTL level , input impedance 2.2k ohm terminate
, D+, D-, GND) via USB-B receptacle.
, D+, D-, GND) through USB-A receptacle
BUS
91
190P7
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