Zenith D60WLCD Series Service Manual page 52

Rear projection lcd
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SIGNAL CONVERSION IC (ET6060D0A)
SCOPE
The ET6060D0A provides a fast, 10 bit latched deci-
mating digital input, which drives 6 channel high volt-
age drive outputs. Flexible digital input formats, allow
several ET6060D0As to be used in parallel for higher
resolution displays.
FEATURES
1) Operation clock frequency: Max. 75MHz
2) 10 bit digital video signal inputs
3) Digital serial to parallel conversion (6-ch output)
4) 10 bit digital to analog conversion
BLOCK DIAGRAM
DB [0:9]
STSQ/CS
VREFH
VREFL
D60WLCD - 923-03486
CIRCUIT DESCRIPTIONS
CLK
Control Logic
XFR
and
DAC Latches
INBRT
E/O
R/L
A0-A2
Scale
Control
STBY
Bias
BYP
VMID
5) Video signal polarity inversion (controlled by ex-
ternal input) and amplification
6) High slew rate output: Typ.350V/=Ys (This output
can directly drive the TFT panels input load)
7) Wide dynamic range output: 2.0V to 13.5V
8) Low power dissipation: 500mW
9) Package: 44pin-QFP
DAC
AMP
DAC
AMP
DAC
AMP
DAC
AMP
DAC
AMP
DAC
AMP
3-28
VID1
VID2
VID3
VID4
VID5
VID6
094A - SERVICING

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