NL12810AC28_01F NEC, NL12810AC28_01F Datasheet
NL12810AC28_01F
Related parts for NL12810AC28_01F
NL12810AC28_01F Summary of contents
Page 1
DESCRIPTION The NL128102AC28-01F is a TFT (thin film transistor) active-matrix color liquid crystal display (LCD) comprising an amorphous silicon TFT attached to each signal electrode, a driving circuit, a CRT ...
Page 2
... TFT array glass substrate and a color filter glass substrate. After the driver LSIs are connected to the panel, the backlight assembly is attached to the back side of the panel. RGB (red, green, blue) data signals from a source system are modulated into a form suitable for active-matrix addressing by the onboard signal processor and sent to the driver LSIs, which in turn address the individual TFT cells ...
Page 3
... WPRT BRTVOL DC/ (+12 V) converter Luminance (on/off) V DDB (+12 V) GNDB GND Hsync CS : Composite synchronous signal Note FG (Frame Ground) is not connected to GND nor GNDB. GND is connected to GNDB. LCD module R G AMP AIF B CLK Timing Controller Sync. Signal POWER ON/OFF V DD DC/DC converter ...
Page 4
GENERAL SPECIFICATIONS Item Module size 424.0 1.0 (H) Display area 359.04 (H) 287.232 (V) Number of dots 1280 3 (H) Dot pitch 0.0935 (H) 0.2805 (V) Pixel pitch 0.2805 (H) 0.2805 (V) Pixel arrangement RGB (red, green, blue) vertical stripe ...
Page 5
ELECTRICAL CHARACTERISTICS (1) Logic, LCD Driving, Backlight Parameter Symbol Supply voltage V DDB V DD Logic input Low voltage V IL Logic input High voltage V IH Logic output Low voltage V OL Logic output High voltage V OH Logic ...
Page 6
... Please note that the supply voltage must not be applied while the control signals (SEL, UP, DOWN, EXIT) are connected to GND. Otherwise, the module may malfunction. (3) If the power supply voltage is applied while UP and DOWN are connected to GND, the input control signals become ineffective. To reset this mode, turn off the power once and then turn on the power while UP and DOWN are connected to GND ...
Page 7
... CN101 Part No.: MRF03-6R-SMT Adaptable socket: MRF03-6P-1.27 (For cable type) or MRF03-6PR-SMT (For board to board type) Supplier: HIROSE ELECTRIC CO., LTD. (coaxial type) Coaxial cable: UL20537PF75VLAS Supplier: HITACHI CO.,LTD. Note A coaxial cable shield should be connected with GND. Pin No. Symbol Pin No ...
Page 8
... LED02 19 7 LED10 20 8 LED11 21 9 LED12 22 10 GND 23 11 SEL DOWN Note N.C. (No connection) must be open. CN104 Part No.: IL-Z-8PL-SMTY Adaptable socket: IL-Z-8S-S125C3 Supplier: Japan Aviation Electronics Industry Limited (JAE) Pin No. Symbol Pin No ...
Page 9
... Rear view CN201 8 1 (2) PIN FUNCTION Symbol I/O Logic HS/CS Input Negative Vsync Input Negative R Input – G Input – B Input – SEL Input Negative UP Input Negative DOWN Input Negative EXIT Input Negative 1 CN101 6 4 CN102 1 1 CN103 25 8 CN104 1 Description Horizontal synchronous signal input or composite synchronous signal input ...
Page 10
... GNDB – – Notes 1: 12V for backlight should be started up with in 800 ms, otherwise, the protection circuit makes the backlight turn off. 2: GND is connected to GNDB. FG (Frame Ground) is not connected to GND and GNDB. 10 Description Display select signal (TTL level) OSDSEL is pulled up in the module. ...
Page 11
LUMINANCE CONTROL SELECT Form How to adjust VOLSEL = "L" See Page 14, CONTROL FUNCTIONS. Note The status of VOLSEL is valid when the power is switched on. (4) FUNCTION DISPLAY SELECT Form How to adjust OSDSEL = "L" ...
Page 12
EQUIVALENT CIRCUIT FOR LEDS Symbol I/O LEDON Output RN2306 (Toshiba) LEDOFF or equivalent LED00 LED01 LED02 LED10 Output N-ch Open Drain Output LED11 LED12 12 Equivalent circuit Output Output Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F ...
Page 13
Recommendation circuit diagram Input CN103 SEL UP DOWN EXIT VOLSEL OSDSEL MENUSEL <LED status> LED-A: Power on LED-B: Power-save mode LED1: Brightness LED2: Contrast LED3: Horizontal display period LED4: CLK delay LED5: Vertical position LED6: Horizontal position LED7: Reserve LED8: ...
Page 14
INPUT SYNCHRONOUS SIGNALS This module is corresponding to the synchronous signals below. Auto recognition mode Separate synchronous signal mode (Hsync, Vsync) Composite synchronous mode Sync. on Green mode Power-saving mode Note Power-saving mode corresponds to VESA DPMA. CONTROL FUNCTIONS Funciton ...
Page 15
INDICATOR OF THE FUNCTIONS The selected functions can be indicated either LED or OSD (On Screen Display) by setting OSDSEL signal. OSDSEL = “H or “OPEN”: LED OSDSEL = “L” : OSD LED state show below table. Please see the ...
Page 16
Contrast and Sub Contract 5) Information 16 4) Horizontal display period, Clock delay, Vertical display position and Horizontal display position 6) All Reset Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F ...
Page 17
CONTROL FUNCTION FLOWCHART OF FOR SEL, UP, DOWN AND EXIT <LED display> Power ON/Power save cancel START (Stand-by mode) SEL Yes VOLSEL = L No Contrast SEL Time out Yes Horizontal display period SEL Time out Yes UP/DOWN Brightness SEL ...
Page 18
CLK delay SEL Initialize Time out Yes Vertical display position SEL Initialize Time out Yes Horizontal display position SEL Initialize Time out Yes 18 UP/ EXIT DOWN + Or – No UP/ EXIT DOWN + Or – No UP/ EXIT ...
Page 19
All reset SEL All Initialize Time out No Yes Note: 1. The value of the selected signals of the UP and DOWN keys is continuously increased if the input signal is held for more than approximately one second. If it’s ...
Page 20
OSD display SEL Brightness adjust display to <1> EXIT SEL Contrast adjust display to <2> EXIT SEL Position adjust display to <3> EXIT SEL Display information EXIT SEL All Reset adjust display to <4> EXIT 20 Power ON/Power save cancel ...
Page 21
Brightness adjustment Brightness menu open Brightness UP DOWN Sub Brt DOWN Sub Brt DOWN Sub Brt DOWN Sub Brt. B Contrast adjustment Contrast menu open Contrast UP DOWN Sub Contrast R UP DOWN Sub ...
Page 22
Position adjustment Position menu open H. Size UP DOWN Clock phase UP DOWN H. Position UP DOWN V. Position UP DOWN Reset All Reset Yes/No select Notes: 1. The value of the selected signals by the UP and DOWN key ...
Page 23
... HS: 37.861 kHz, Vsync: 72.809 Hz Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F + Sync Logic V, Remark H 48 –, – NEC PC98 48 –, – VGA 45 +, – VGA TXT VESA Macintosh type A 120 –, – VESA VESA Note 1 144 +, – ...
Page 24
Sync on Green signal type ( type A There are no Hsync pulses in Vsync Period. Vsync <1> <2> ( type B There are Hsync pulses in Vsync Period. Vsync <1> <2> <1> ...
Page 25
... Writing mode: WPRT = "L" • Reading mode: WPRT = "H" or Open Please write data into the necessary addresses in advance, when you use this function. Data “55H” in address "00H" and "FFH" in other address have already been programmed upon shipping. The input equivalent circuit diagram is as follows ...
Page 26
INPUT SIGNAL AND DISPLAY POSITION (1) SXGA Standard Timing Pixels (1, 2) • • • • • • • • D (0, 1023) D ...
Page 27
EXPANSION FUNCTION (REFERENCE) (1) How to use expansion mode Expansion mode is a function by which to expand screen size in different resolutions. For example, the VGA signal has 640 480 pixels. But if the display data can be expanded ...
Page 28
Display Image 1. XGA mode (1024 768) Horizontal : Vertical : 2. SVGA mode (800 600) Horizontal : Vertical : 3. VGA mode (640 480) Horizontal : Vertical : 4.ý PC9801 mode (640 400) Horizontal : Vertical : 28 ...
Page 29
VGA text mode (720 400) Horizontal : 1.7 (1,224 pixels) Vertical : 2.5 (1,000 pixels) 6. 832 624 MAC mode (832 624) Horizontal : 1.5 (1,248 pixels) Vertical : 1.6 (998 pixels) 7. SUN mode (1152 900) Horizontal : ...
Page 30
OPTICAL CHARACTERISTICS Item Symbol Contrast ratio y– White/Black, at center Luminance Lumax White, at center Luminance uniformity – White Reference data Item Symbol Color gamut 0° 0°, at ...
Page 31
Luminance uniformity is calculated by using the following formula. Maximum luminance Luminance uniformity = Minimum luminance The luminance is measured at or near the five points shown below. Column 213 1 Row 4 4. Definitions of viewing angles are ...
Page 32
RELIABILITY TEST Test item High temperature/humidity operation Heat cycle (operation) Thermal shock (nonoperation) Vibration (nonoperation) Mechanical shock (nonoperation) ESD (operation) Dust (operation) Notes: 1. Display function is checked by the same condition as the LCD module outgoing inspection. 2. Physical ...
Page 33
... LCD module should be avoided the surface of polarizer is very soft and easily scratched, use a soft dry cloth without chemicals for cleaning not pull the interface connectors in or out while the LCD module is operating. e) Put the module display side down on that horizontal plane. f) Handle connectors and cables with care ...
Page 34
The light vertical stripe may be observed depending on the display pattern. This is not defects nor malfunctions. d)ý The noise from the inverter circuit may be observed in the luminance control mode. This is not defects nor malfunctions. ...
Page 35
OPENING) (359.04 (ACTIVE AREA)) 4– 4.6 0.2 4.5 0.2 424 1 PLL Remark 1: The torque for mounting screws should never exceed 0.451 N•m (4.6kgf•cm). Remark 2: Tolerance of the dimensions not shown are 0.5 ...
Page 36
INV DETAIL A 1.4 0.3 SEC B–B (56.5) 73.6 1 M3BR PLL I Material Information Diffuser : >PMMA< SEE DETAIL A ...
Page 37
Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F 37 ...
Page 38
Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F ...
Page 39
Data Sheet EN0509EJ1V0DS00 NL128102AC28-01F 39 ...
Page 40
... To minimize risks of damage or injury to persons or property arising from a defect in an NEC electronic component containment, and anti-failure features ...