Philips BDL4651VH/00, Service Manual

Page: 62 / 129

62 BDL4675XU LCD
General Product Specification
2. ELECTRICAL REQUIREMENTS
All performance specifications are defined under “STANDARD TESTING CONDITIONS”, unless
otherwise specified.
2.1 Standard Testing Conditions
•
Warm up time -
≥
30 min.
•
Ambient temperature - 15
°
C ~35
°
C.
•
Ambient light - 400-600 lux
•
Relative humidity - 25% ~ 75%.
•
Barometric pressure - 860 mbar ~ 1013 mbar.
•
Dark room conditions - < 1 lux for optical measurements
2.2 Video / Audio Input Signals
2.2.1 PC input signal requirements
z
Pixel rate capability - 86 MHz.
z
VGA sync input - TTL level, separate H/V sync only, “+” or “-” polarity,
terminated with
≥
2.2k
Ω
impedance.
z
HDMI input - TMDS channel:
¾
Carries video data.
¾ Signaling method: According to DVI 1.0 specification.
Single-link (Type A HDMI).
¾ Video pixel rate: 25 MHz to 165 MHz (Type A)
DDC channel:
¾ Allows source to interrogate capabilities of sink.
¾ I²C signaling with 100 kHz clock.
¾
E-EDID data structure according to EIA/CEA-861B
and VESA Enhanced EDID.
z
VGA analog RGB level - 0 ~ 700mV linear, positive polarity, terminated with 75
Ω
impedance.
z
I²C DDC signal - 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 powered off. To prevent current
feedback into PC, blocking diodes are required at display
side.
z
Preset timings - 26 preset modes sets, 15 factory preset mode sets, timing, size
and centering have been pre-aligned in factory according to
specifications.
Preset mode definition:
z
Need to support those timing: