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T420XW01_V7 Schematic ( PDF Datasheet ) - AUO

Teilenummer T420XW01_V7
Beschreibung LCD Module
Hersteller AUO
Logo AUO Logo 




Gesamt 29 Seiten
T420XW01_V7 Datasheet, Funktion
www.DataSheet4U.net
Product Description: T420XW01 V7 TFT-LCD PANEL
AUO Model Name: T420XW01 V7
Customer Part No/Project Name:
Customer Signature
Date
AUO
Approved By: PL Chen
Reviewed By: Hong Jye Hong
Prepared By: Star Ho
Date
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V7
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T420XW01_V7 Datasheet, Funktion
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2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the
unit.
Item
Symbo Min
Max
Unit
Note
l
Power Supply Input Voltage
VDD
-0.3
8.0
[Volt] 1
Logic Input Voltage
Vin -0.3 5.0 [Volt] 1
BLU Input Voltage
VDDB
-0.3
27.0
[Volt] 1
BLU Brightness Control Voltage
Ambient Operating Temperature
BLON
TOP
-0.3
0
5.5
+50
[Volt]
[oC]
1
2
Ambient Operating Humidity
Storage Temperature
HOP 10
TST -20
80 [%RH] 2
+60 [oC] 2
Storage Humidity
HST 10
80 [%RH] 2
Shock (non-operation)
- 50
G3
Vibration (non-operation)
- 1.5 G 4
Thermal shock
-20 60
C5
Altitude test
50000feet (12Kpa)
Note 1 : Duration = 50msec
Note 2 : Maximum Wet-Bulb should be 50and No condensation. 40/95%Humidity is for reference
Note 3 : Half sine wave, shock level : 50G(11ms), direction : ±x, ±y, ±z (one time each direction)
Note 4 : Wave form : random, vibration level : 1.5G RMS, Bandwidth : 10~500Hz
Duration : X,Y,Z 60min (one time each direction)
Note 5 : -20C/1hr ~ 60C/1hr, 100 cycles
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V7
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T420XW01_V7 pdf, datenblatt
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2. Input specification
Master Board:
Connector 1: S14B-PH-SM3-TB(JST) or equivalent
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
VDDB
VDDB
VDDB
VDDB
VDDB
BLGND
BLGND
BLGND
BLGND
BLGND
ADIM(1)
VBLON
PDIM(2)
PDIM
Selection(3,4)
Description
Operating Voltage Supply, +24V DC regulated
Operating Voltage Supply, +24V DC regulated
Operating Voltage Supply, +24V DC regulated
Operating Voltage Supply, +24V DC regulated
Operating Voltage Supply, +24V DC regulated
Ground and Current Return
Ground and Current Return
Ground and Current Return
Ground and Current Return
Ground and Current Return
GND: 80%; Open/1.6V: 100%; High (3.3V) 110%, Luminance
BL On-Off: Open/High (3.3V) for BL On as default
External PWM (AC Signal Control Duty);
Internal PWM (DC Power Control Duty, 0~3.3V);
Open/High (+3.3V, 100% Duty) for 100%
GND: External PWM dimming;
Open/High (3.3V): Internal PWM dimming.
Note (1)
ADIM (amplitude dimming) is control signal for Inverters output power to back light lamp bulb.
Input signal should be able to control amplitude of Inverter output voltage. From 0V to 3.3V,
Inverter output voltage should be able to vary to control brightness of lamp from 80% to
110% luminance variation. Approximate 1.6V might be 100% luminance control point.
Note (2)
PDIM is PWM duty control input for +3.3V TTL level signal or DC voltage by Pin 14 input.
This input signal is (a) continuous pulse signal with +3.3V, TTL level signal spec, or (b) DC
power with 0~3.3V. If this is Open or +3.3V, 100% duty (i.e. +3.3V, DC level), back light
should perform 100% luminance. Duty ratio of this input signal should be proportional
relationship in certain range of control without any kind of inherent side effect like waterfall
effect on screen. Guaranteed duty range and dimming ratio should be specified with
supplementary measurement result.
Note (3)
Pin 14 is the selection pin for PWM control method; if this pin is connected to GND, PDIM
input of Pin 13 should have logic level duty signal for PWM control. If this is set to High or
Open, Pin 13 should have DC level signal therefore the Inverter should have Saw Tooth
Wave Generator to generate internal PWM signal. Default setting is Not Connected, Pin 13
of PWM control should have DC Level signal for PWM.
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V7
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