![background image](http://html2.mh-extra.com/html/zenith/d60wlcd-series/d60wlcd-series_service-manual_3430393046.webp)
CIRCUIT DESCRIPTIONS
D60WLCD - 923-03486
3-22
094A - SERVICING
BLOCK DIAGRAMS
DTV ready video chip
NTSC/PC/STB
PIP/POP/split
60/50Hz display/screen/zoom
2-
D graphic with OSD
Color space conversion
NTSC up-conversion
3xDAC, PLL
SDRAM
8(4) Mbytes
NTSC
decoder
S/W
1080I
768(720)P
480P(I)
576P(I)
16:9 or 4:3
analog or digital
Composite 1
VGA
(RGB)
A
/
D
STB
( YPbPr)
S- Video 1
RGB or
YIQ or
YUV or
YCbCr
(24)
Composite 2
S- Video 2
YIQ or
YUV or
YCbCr
(16)
CPU
STB2
( YPbPr)
A
/
D
Display PLL
NTSC
decoder
Grap
.
Proc.
Grap
.
Proc.
CSC
/LUT
CSC
/LUT
Host I/F
Host I/F
CSC
CSC
MU
X
Sync
Generator
Sync
Generator
4 MB or 8MB
SDRAM
RGB or
YIQ or
YUV or
YCbCr
(24)
Input B
Input A
YPbPr/RGB
(1080I, 768P,
720P, 480P)
Y
Enhance
Y
Enhance
Format
Converter
Format
Converter
Format
Converter
Format
Converter
YIQ or
YUV or
YCbCr
(16)
DAC
DAC
(1080I, 720P,
480P, 480I,
VGA)
8 M mode
8MB Memory : 8.389MB
Graphic Memory : 1.503MB
(>540x1920x1=1.037MB)
SDRAM
Interface
SDRAM
Interface
4 M mode
4MB Memory : 4.419MB
Graphic Memory : 0.526MB
(>540x960x1=0.518MB)
External
Intf
.
External
Intf
Sw
it
c
h
CSC
CSC
External
Intf
.
External
Intf
DTV Ready Video Processor
DTV Ready Video Architecture
Содержание D60WLCD Series
Страница 64: ......
Страница 65: ......
Страница 66: ......
Страница 69: ...D60WLCD 923 03486 5 3 094A EXPLODED VIEWS D60WLCD Main PCB Layout...
Страница 70: ...D60WLCD 923 03486 5 4 094A EXPLODED VIEWS D60WLCD Power PCB Layout Power Ballast Interface...
Страница 71: ...D60WLCD 923 03486 5 5 094A EXPLODED VIEWS D60WLCD Digital PCB Layout...
Страница 72: ...D60WLCD 923 03486 5 6 094A EXPLODED VIEWS D60WLCD Drive PCB Layout...
Страница 73: ...D60WLCD 923 03486 5 7 094A EXPLODED VIEWS D60WLCD Chroma PCB Layout...
Страница 74: ...D60WLCD 923 03486 5 8 094A EXPLODED VIEWS D60WLCD Tuner PCB Layout...
Страница 76: ......