Philips 248C3LSB/00, Service Manual

Page: 17 / 73

248C3L LCD 17
Electrical Instructions
Electrical characteristics
1. Interface signals
1.1 D-Sub Analog
Input signal: Video, Hsync., Vsync
Video: 0.7 Vp-p, input impedance, 75 ohm @DC
Sync.: Separate sync TTL level , input impedance 2.2k ohm terminate
Hsync Positive/Negative
Vsync Positive/Negative
Composite sync TTL level, input impedance 2.2k ohm terminate
Sync on green video 0.3 Vp-p Negative (Video 0.7 Vp-p Positive)
1.2 DVI-D Digital
Input signal: Single TMDS link (Three channels: RX0-/+, RX1-/+, RX2-/+)
2. Interface
2.1 D-Sub Cable
Length : 1.8 M +/- 50 mm
Fix with monitor when packing, with transplant pin protective cover.
Connector type : D-Sub male with DDC2B pin assignments.
Blue connector thumb-operated jack screws
2.2 DVI Cable
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
With transplant pin protective cover.
3. Timing requirement
3.1 Factory Preset mode definition:
3.1.1 Perfect FOS while presenting those timings.
3.1.2 Will specify those timing in User's Manual
3.2 Preset mode definition:
3.2.1 Need to support those timings.
3.2.2 Perfect FOS after auto adjustment.
3.3 User mode
3.3.1 Can save those timing that not in Preset mode and can be showed
(not over scalar or Panel spec.)
3.3.2 It needs to reserve the 10 timings space in memory size.
3.3.3 Factory modes and preset modes are defined in the enclosed timing table file