Ic Data Sheets - Philips LC4.1E A Service Manual

EN 58 9. LC4.1E AB
VCR
VGA
WD
WYSIWYR
XTAL
YPbPr
Y/C
Y-OUT
YUV

9.11 IC Data Sheets

This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).
9.11.1 Diagram A7, Type GM5221 (IC7401)
XTAL
Clock
Generation
Resetn
Reset CCT
Triple
ADC&PLL
Analog
Schmitt
YUV/RGB
Tri gg er
DDC2Bi
Ultra-
Reliable
DVI Rx
DVI
HDCP
DDC2Bi
422 to 444
BT 656
Conversion
Test
Pattern
Generator
Circuit Descriptions, Abbreviation List, and IC Data Sheets
Video Cassette Recorder
Video Graphics Array
Watch Dog
What You See Is What You Record:
record selection that follows main
picture and sound
Quartz crystal
Component video (Y= Luminance, Pb/
Pr= Colour difference signals)
Luminance (Y) and Chrominance (C)
signal
Luminance-signal
Component video
gm5221 Functional Block Diagram
Keypad Sensing
NVRAM GPIO
Temp Sensor
3 X General-
Purpose ADC
Serial GPIO
Master
Figure 9-5 Internal Block diagram
X86
Micro-controller
On-chip
RAM / ROM
ACM-II
uv
Chroma
Adjust
ACC
Y
Luma
Shaping
Histogram
High-light Window
Parallel or Serial
EEPROM
External 4 X
PWM
ROM I/F
OSD
Controller
2 X
Display
LVDS
Timing
Tx
Control
E_14520_049.eps
011104
Back-light
Audio
LVDS
Panel I/F