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T420HW01-V0 Schematic ( PDF Datasheet ) - AUO

Teilenummer T420HW01-V0
Beschreibung LCD Module
Hersteller AUO
Logo AUO Logo 




Gesamt 29 Seiten
T420HW01-V0 Datasheet, Funktion
www.DataSheet4U.net
Product Description: T420HW01 V0 TFT-LCD PANEL
AUO Model Name: T420HW01 V0
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
T420HW01 V0
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T420HW01-V0 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
13.2
[Volt]
1
Logic Input Voltage
Vin -0.3
3.6
[Volt]
1
BLU Input Voltage
VDDB
-0.3
26.4
[Volt]
1
BLU Brightness Control Voltage
BLON
-0.3
3.6
[Volt] 1
Ambient Operating Temperature
TOP
0
+50
[oC] 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
G4
Thermal shock
-20 60
C5
Altitude test
50000feet (12Kpa)
Note 1 : Duration = 50msec
Note 2 : Maximum Wet-Bulb should be 50and No condensation.
Note 3 : Half sine wave, shock level : 50G(11ms), direction : ±x, ±y, ±z (one time each direction)
Note 4 : Wave form : Sin, vibration level : 1.5G RMS, Bandwidth : 10~500Hz
Duration : X,Y,Z 30min (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
T420HW01 V0
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T420HW01-V0 pdf, datenblatt
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2. Input specification
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
VDIM(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) 120%, Luminance
(optional function)
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)
Note (2)
Note (3)
Note (4)
VDIM 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 120% luminance
variation. Approximate 1.6V might be 100% luminance control point. (optional function)
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), backlight
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.
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.
Pin 14 selection vs. Pin 11/13 control function table:
Pin 14 = GND
Pin 14 = Open/High
Pin 11
(DC Power Control Duty Amplitude)
Function Always Turn On
Default: Open/1.6V: 100%
GND: 80%; Open/1.6V: 100%;
High (3.3V) 110%, Luminance
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
T420HW01 V0
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