Video / Audio Input Signals; Pc Input Signal Requirements - Philips BDL4230E/00 Service Manual

66 BDL4230E LCD
2.2

Video / Audio Input Signals

2.2.1 PC input signal requirements

Pixel rate capability -
VGA sync input -
HDMI input -
VGA analog RGB level - 0 ~ 700mV linear, positive polarity, terminated with 75
I²C DDC signal -
powered off. To prevent current feedback into PC, blocking diodes
are required at display side.
Preset timings -
Preset mode definition:
Need to support those timing:
General Product Specification
86 MHz.
TTL level, separate H/V sync only, "+" or "-" polarity,
terminated with 2.2k impedance.
TMDS channel:
DDC channel:
impedance.
DDC2B required, DDC serial Data & Clock, DDC components are
connected to both display Vcc and DDC +5V (from PC via video
cable), that the PC can read the DDC data also when the display is
53 preset modes sets, 15 factory preset mode sets, timing, size and
centering have been pre-aligned in factory according to specifications.
Carries video data.
Signaling method: According to DVI 1.0 specification.
Single-link (Type A HDMI).
Video pixel rate: 25 MHz to 165 MHz (Type A)
Allows source to interrogate capabilities of sink.
I²C signaling with 100 kHz clock.
E-EDID data structure according to EIA/CEA-861B and
VESA Enhanced EDID.