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T420XW01-V5 Schematic ( PDF Datasheet ) - AUO

Teilenummer T420XW01-V5
Beschreibung LCD Module
Hersteller AUO
Logo AUO Logo 




Gesamt 28 Seiten
T420XW01-V5 Datasheet, Funktion
www.DataSheet4U.net
Product Description: T420XW01 V5 TFT-LCD PANEL with RoHS Guarantee
AUO Model Name: T420XW01 V5
Customer Part No/Project Name:
Customer Signature
Date
AUO
Date
Approved By: PM Sr. Manager / Yu Chieh Lin
Reviewed By: Hong Jye Hong
Prepared By: Stanley Chiang
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V5
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T420XW01-V5 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
Symbol Min
Max
Unit
Note
Power Supply Input Voltage
VDD -0.3 14.0
[Volt]
1
Logic Input Voltage
Vin -0.3 3.6
[Volt]
1
BLU Input Voltage
VDDB -0.3 27.0
[Volt]
1
BLU Brightness Control Voltage
Ambient Operating Temperature
BL ON
TOP
-0.3
0
5.5
+50
[Volt]
[oC]
1
2
Ambient Operating Humidity
Storage Temperature
HOP
10
90
[%RH] 2
TST -20 +60
[oC] 2
Storage Humidity
HST 10 90 [%RH] 2
Note 1 : Duration = 50msec
Note 2 : Maximum Wet-Bulb should be 39 and No condensation.
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V5
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T420XW01-V5 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
Reserve
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
Open
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)
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 (2)
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.
Note (3) Pin 14 selection vs. Pin 13 control function table:
Pin 14 = GND
Pin 14 = Open/High
Pin 13
Default: Open/High: 100%
External PWM
(AC Signal Control Duty)
Internal PWM
(DC Power Control Duty)
©Copyright AU Optronics, Inc.
January, 2006 All Rights Reserved.
No Reproduction and Redistribution Allowed
T420XW01 V5
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