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model LTA400HF05 doc. no 06-000-g-090312 page 1 / 29 samsung tft-lcd model : LTA400HF05 samsung tft samsung tft - - lcd lcd model model : LTA400HF05 : LTA400HF05 lcd business samsung electronics co . , ltd. note : the information described in this specification is preliminary and can be changed without prior notice customer : kortek issued date : mar. 12, 2009 product information product information www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 2 / 29 contents general description ------------------------------- --------------------------------------------------- ----- (3) general information ------------------------------- --------------------------------------------------- ----- (3) 1. absolute maximum ratings ----------------------- --------------------------------------------------- (4) 1.1 back light unit absolute maximum ratings 1.2 led unit absolute maximum ratings 2. optical characteristics ------------------------ --------------------------------------------------- ------ (6) 3. electrical characteristics --------------------- --------------------------------------------------- ------ (9) 3.1 tft lcd module 3.2 back light unit 3.3 led lips condition & specification 3.4 led lips output specification 4. block diagram ---------------------------------- --------------------------------------------------- ------ (12) 5. input terminal pin assignment ------------------ --------------------------------------------------- (13) 5.1 input signal & power 5.2 led lips ac input pin configuration 5.3 led lips input & output pin configuration 5.4 led lips sequence 5.5 lvds interface 5.6 input signals, basic display colors and gray sc ale of each color 6. interface timing ------------------------------- --------------------------------------------------- ------ (20) 6.1 timing parameters (de only mode) 6.2 timing diagrams of interface signal (de only mo de) 6.3 power on/off sequence 7. outline dimension ------------------------------ --------------------------------------------------- ----- (23) 8. packing ---------------------------------------- --------------------------------------------------- -------- (25) 9. marking & others -------------------------------- --------------------------------------------------- ---- (26) 10. general precaution ---------------------------- --------------------------------------------------- ---- (27) 10.1 handling 10.2 storage 10.3 operation 10.4 operation condition guide 10.5 others www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 3 / 29 LTA400HF05 is a color active matrix liquid crystal display (lcd ) that uses amorphous silicon tft (thin film transistor) as switching com ponents. this model is composed of a tft lcd panel, a driver circuit and a back light un it. the resolution of a 40.0? is 1920 x 1080 and this mo del can display up to1.07 billion colors with wide viewing angle of 89 or higher in all directions. this panel is intended to support applications to provide a excellent perform ance for flat panel display such as home-alone multimedia tft-lcd tv and high definitio n tv. rohs compliance (pb-free) high contrast & aperture ratio spva (super patterned vertical align) mode wide viewing angle ( 178 ) high speed response (120hz) fhd resolution (16:9) low power consumption white led backlight de (data enable) mode lvds (low voltage differential signaling) interface features general description description general information items specification unit note module size 943.7(h typ ) x 560.2(v typ ) mm 1.0mm 29.6(d max ) 1.0mm weight 10,500 (max.) g pixel pitch 0.461(h) x 0.461(w) mm active display area 885.6(h) x 498.15(v) mm surface treatment antiglare, hard-coating(3h) - display colors 10bit (frc) ? 1.07billion colors number of pixels 1920 x 1080 pixel pixel arrangement rgb vertical stripe - display mode normally black - luminance of white (450) typ. cd/m 2 www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 4 / 29 item symbol min. max. unit note power supply voltage v dd gnd-0.3 13 v (1) storage temperature t stg -20 60 (2) glass surface temperature (operation) center t opr 0 50 (2) shock ( non - operating ) s nop - 30 g (3) vibration ( non - operating ) v nop - 1.5 g (4) 1. absolute maximum ratings if the condition exceeds maximum ratings, it can ca use malfunction or unrecoverable damage to the device. impulsive operation @string (24 leds / 1string) v 175 v fp duty 35% operation @string (2string /1bar) a 0.3 i fp - k/w <65k/w r th,js thermal resistance, junction to pcb continuous operation @string (2string /1bar) a 0.12 i f forward current 125 - -20~+70 t op operating temperature range continuous operation @string (24 leds / 1string) v 158 v f forward voltage - t j junction temperature - -30~+70 t stg storage temperature range note unit max. symbol item 1.2 led unit absolute maximum ratings 1.1 back light unit absolute maximum ratings www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 5 / 29 note (1) ta= 25 2 c (2) temperature and relative humidity range are sho wn in the figure below. a. 90 % rh max. (ta 39 c) b. relative humidity is 90% or less. (ta > 39 c) c. no condensation (3) 11ms, sine wave, one time for x, y, z axis (4) 10-300 hz, sweep rate 10min, 30min for x,y,z ax is fig. temperature and relative humidity range 90 www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 6 / 29 2. optical characteristics the optical characteristics should be measured in a dark room or equivalent. measuring equipment : topcon rd-80s, topcon sr-3 ,eldim ez-contrast (ta = 25 2 c, vdd=12.0v, fv=120hz, f dclk =297mhz, led current =90ma) item symbol condition min. typ. max. unit note contrast ratio (center of screen) c/r normal l,r =0 u,d =0 viewing angle tbd 5,000 - - (1) sr-3 response time g-to-g tg - 6 - msec (3) rd-80s luminance of white (center of screen) y l tbd 450 - cd/m 2 (4) sr-3 color chromaticity (cie 1931) red rx typ. -0.03 tbd typ. +0.03 (5),(6) sr-3 ry tbd green gx tbd gy tbd blue bx tbd by tbd white wx 0.280 wy 0.290 color gamut - - 80 - % (5) sr-3 color temperature - - 10,000 - k viewing angle hor. l c/r 10 tbd 89 - degree (6) ez-contrast r tbd 89 - ver. u tbd 89 - d tbd 89 - brightness uniformity (9 points) b uni - - 25 % (2) sr-3 - test equipment setup the measurement should be executed in a stable, win dless and dark room between 40min and 60min after lighting the back light at th e given temperature for stabilization of the back light. this should be measured in the c enter of screen. . led current = 90ma (for 1ea led bar) . environment condition : ta = 25 2 c www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 7 / 29 - definition of test point active area test point note (1) definition of contrast ratio (c/r) : ratio of gray max (gmax) & gray min (gmin) at the center point of the panel c r g g / max min = gmax : luminance with all pixels white gmin : luminance with all pixels black 320 960 1600 900 540 180 photo detector field sr-3 1 rd-80s 2 photo detector lcd panel tft - lcd module the center of the screen sr-3 : 50 M rd-80s : 50 M ez-contrast:0 M field www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 8 / 29 note (2) definition of 9 points brightness uniform ity (test pattern : full white) note (3) definition of response time : sum of tr, t f buni b b b = ? ? 100 ( max min) max bmax : maximum brightness bmin : minimum brightness display data optical instruments response time t r t f 10% 90% black (data off) 0% black (data off) white (data on) 100% note (4) definition of luminance of white : luminan ce of white at center point note (5) definition of color chromaticity (cie 1931 ) color coordinate of red, green, blue & white at cent er point note (6) definition of viewing angle : viewing angle range (c/r 10) g-to-g : average response time between gray to gra y (scale) www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 9 / 29 3. electrical characteristics 3.1 tft lcd module the connector for display data & timing signal shoul d be connected. ta = 25 c 2 c ma tbd 2600 - (c) h-stripe item symbol min. typ. max. unit note voltage of power supply v dd 10.8 12.0 13.2 v (1) current of power supply (a) black i dd - 1500 tbd ma (2),(3) (b) white - 1400 tbd ma vsync frequency f v - 120 - hz hsync frequency f h - 135 - khz main frequency fdclk - 297 - mhz rush current i rush - - 8 a (4) note (1) the ripple voltage should be controlled un der 10% of v dd . (2) f v =120hz, f dclk =297mhz, v dd = 12.0v, dc current. (3) power dissipation check pattern (lcd module onl y) a) black pattern b) white pattern c) h-stripe (4) measurement conditions rush current i rush can be measured when t rush . is 470 ? . t rush =470 ? 100% gnd 90% 10% v dd www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 10 / 29 lcd module led lips cnt#1 cn t #2 ac input cnt image- board cnt 3.2 back light unit the back light unit contains 288 ea wleds (white lig ht emitting diode) ta=25 2 c (1) hour - - 30,000 hr operating life time note unit max. typ. min. symbol item note (1) it is defined as the time to take until t he brightness reduces to 50% of its original value. [operating condition : ta = 25 2 ] www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 11 / 29 3.3 led lips condition & specification 0.8 - 0 low(gnd) off - v - - 3.3 max lum int_dim dimming control (3) % 25 20 15 int_dim=0v hz 160 150 140 vin=90~264v f pwm dim frequency marms - 90 - int_dim=3.3v iout output current (2) items symbol conditions specifications unit note min. typ. max. input voltage vin - 90 - 264 vac ta=25 2 c input current iin vin=90v - - 4.5 arms ps on/off on floating - - - v - off low(gnd) 0 - 0.3 bl on/off on floating - - - v - min. lum - - 0 note) power consumption is measured when 450[cd/m 2 ] of luminance which is the typical luminance. (1) all data is measured after 120min warm-up. (2) ac current probe : p6022 (tektronix) (3) pwm duty(%) = (t_on / t_total) * 100 3.4 led lips output specification items symbol conditions specifications unit note min. typ. max. +12v - vin=100~240vac 11.4 12.0 12.6 v ta=25 2 c stb5.3v - 5.0 5.3 5.5 v www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 12 / 29 source source source source pcb pcbpcb pcb source source source source pcb pcbpcb pcb data driver data driver data driver data driver ic icic ic 4. block diagram user connector user connector user connector user connector timing controller timing controller timing controller timing controller dc/dc convertor dc/dc convertor dc/dc convertor dc/dc convertor memory memory memory memory ldo (step down) ldo (step down) ldo (step down) ldo (step down) gamma gamma gamma gamma- -- -generator generator generator generator vcom vcom vcom vcom- -- -generator generator generator generator lta400hf panel control pcb control pcb control pcb control pcb data data data data power power power power gate driver gate driver gate driver gate driver ic icic ic fpc fpcfpc fpc fpc fpcfpc fpc data driver data driver data driver data driver ic icic ic data driver data driver data driver data driver ic icic ic www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 13 / 29 5. input terminal pin assignment 5.1. input signal & power connector : fi-re41s-hf (jae) pin symbol description pin symbol description 1 12v dc power supply 26 rx3[0]p 3 rd , 7 th lvds signal + 2 12v dc power supply 27 rx3[1]n 3 rd , 7 th lvds signal - 3 12v dc power supply 28 rx3[1]p 3 rd , 7 th lvds signal + 4 12v dc power supply 29 rx3[2]n 3 rd , 7 th lvds signal - 5 12v dc power supply 30 rx3[2]p 3 rd , 7 th lvds signal + 6 nc note 31 gnd ground 7 gnd ground 32 rx3clk- 3 rd , 7 th lvds clock - 8 gnd ground 33 rx3clk+ 3 rd , 7 th lvds clock + 9 gnd ground 34 gnd ground 10 rx1[0]n 1 st , 5 th lvds signal - 35 rx3[3]n 3 rd , 7 th lvds signal - 11 rx1[0]p 1 st , 5 th lvds signal + 36 rx3[3]p 3 rd , 7 th lvds signal + 12 rx1[1]n 1 st , 5 th lvds signal - 37 rx3[4]n 3 rd , 7 th lvds signal - 13 rx1[1]p 1 st , 5 th lvds signal + 38 rx3[4]p 3 rd , 7 th lvds signal + 14 rx1[2]n 1 st , 5 th lvds signal - 39 gnd ground 15 rx1[2]p 1 st , 5 th lvds signal + 40 nc note 16 gnd ground 41 nc 17 rx1clk- 1 st , 5 th lvds clock - 18 rx1clk+ 1 st , 5 th lvds clock + 19 gnd ground 20 rx1[3]n 1 st , 5 th lvds signal - 21 rx1[3]p 1 st , 5 th lvds signal + 22 rx1[4]n 1 st , 5 th lvds signal - 23 rx1[4]p 1 st , 5 th lvds signal + 24 gnd ground 25 rx3[0]n 3 rd , 7 th lvds signal - note nc( no connection) : these pins are used only for s amsung . (do not connect) www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 14 / 29 5. input terminal pin assignment 5.1. input signal & power connector : fi-re51s-hf (jae) nc 51 pin symbol description pin symbol description 1 12v dc power supply 26 rx4[0]p 4 th , 8 th lvds signal + 2 12v dc power supply 27 rx4[1]n 4 th , 8 th lvds signal - 3 12v dc power supply 28 rx4[1]p 4 th , 8 th lvds signal + 4 12v dc power supply 29 rx4[2]n 4 th , 8 th lvds signal - 5 12v dc power supply 30 rx4[2]p 4 th , 8 th lvds signal + 6 nc note1 31 gnd ground 7 gnd ground 32 rx4clk- 4 th , 8 th lvds clock - 8 gnd ground 33 rx4clk+ 4 th , 8 th lvds clock + 9 gnd ground 34 gnd ground 10 rx2[0]n 2 nd , 6 th lvds signal - 35 rx4[3]n 4 th , 8 th lvds signal - 11 rx2[0]p 2 nd , 6 th lvds signal + 36 rx4[3]p 4 th , 8 th lvds signal + 12 rx2[1]n 2 nd , 6 th lvds signal - 37 rx4[4]n 4 th , 8 th lvds signal - 13 rx2[1]p 2 nd , 6 th lvds signal + 38 rx4[4]p 4 th , 8 th lvds signal + 14 rx2[2]n 2 nd , 6 th lvds signal - 39 gnd ground 15 rx2[2]p 2 nd , 6 th lvds signal + 40 nc note1 16 gnd ground 41 nc 17 rx2clk- 2 nd , 6 th lvds clock - 42 nc 18 rx2clk+ 2 nd , 6 th lvds clock + 43 nc 19 gnd ground 44 nc 20 rx2[3]n 2 nd , 6 th lvds signal - 45 lvds_sel note2 21 rx2[3]p 2 nd , 6 th lvds signal + 46 nc note1 22 rx2[4]n 2 nd , 6 th lvds signal - 47 nc 23 rx2[4]p 2 nd , 6 th lvds signal + 48 nc 24 gnd ground 49 nc 25 rx4[0]n 4 th , 8 th lvds signal - 50 nc note1) no connection: these pins are used only for samsung. (do not connect) note2) lvds option : if this pin is high (3.3 v) normal lvds format low (gnd) jeida lvds format sequence : on = v dd (t1) lvds option interface signal(t2) off = interface signal(t3) lvds option v dd www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 15 / 29 note(1) pin number starts from left side pin no. 1 pin no. 41 pcb fig. connector diagram #1 #41 #1 #41 a. power gnd pins should be connected to the lcd?s metal chassis. b. all power input pins should be connected togethe r. c. all nc pin should be separated from other signal or power. pin no. 1 pin no. 51 #1 #51 #1 #51 cn1 cn2 www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 16 / 29 pin no. pin configuration (function) 1 ac-neutral 2 ac-live ( 100v ~ 240v ) 5.2 led lipd ac input pin configuration connector #1 : yaw396-03av, 2pin (yeonho) input input input output output output output function no connection (do not connect) 8 stb 5.3v 7 gnd 9 dimming control [ 0v:min, 3.3v:max ] 11 bl_on [on : floating, off : low(gnd)] 12 gnd 5 gnd 6 ps_on [on : floating, off : low(gnd)] 10 +12v 4 pin no. pin configuration 1 +12v 2 +12v 3 gnd 5.3 led lips input & output pin configuration connector #2 : smaw200-12c, 12pin (yeonho) www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 17 / 29 5.4 led lips power sequence [ac on sequence] ac stb 5.3v ps off vpfc 12v led output [ac off sequence] ac stb 5.3v ps on vpfc 12v led output www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 18 / 29 5.5 lvds interface - lvds receiver : tcon (merged) - data format (jeida) lvds pin jeida -data vesa-data txout/rxin0 txin/rxout0 r4 r0 txin/rxout1 r5 r1 txin/rxout2 r6 r2 txin/rxout3 r7 r3 txin/rxout4 r8 r4 txin/rxout6 r9 r5 txin/rxout7 g4 g0 txout/rxin1 txin/rxout8 g5 g1 txin/rxout9 g6 g2 txin/rxout12 g7 g3 txin/rxout13 g8 g4 txin/rxout14 g9 g5 txin/rxout15 b4 b0 txin/rxout18 b5 b1 txout/rxin2 txin/rxout19 b6 b2 txin/rxout20 b7 b3 txin/rxout21 b8 b4 txin/rxout22 b9 b5 txin/rxout24 hsync hsync txin/rxout25 vsync vsync txin/rxout26 den den txout/rxin3 txin/rxout27 r2 r6 txin/rxout5 r3 r7 txin/rxout10 g2 g6 txin/rxout11 g3 g7 txin/rxout16 b2 b6 txin/rxout17 b3 b7 txin/rxout23 reserved reserved txout/rxin4 txin/rxout28 r0 r8 txin/rxout29 r1 r9 txin/rxout30 g0 g8 txin/rxout31 g1 g9 txin/rxout32 b0 b8 txin/rxout33 b1 b9 txin/rxout34 reserved reserved www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 19 / 29 5.6 input signals, basic display colors and gray sc ale of each color color display (8bit) data signal gray scale level red green blue r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 g0 g1 g2 g3 g4 g5 g6 g7 g8 g9 b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 basic color black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 - green 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 - cyan 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - red 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - magenta 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 - yellow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 - white 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - gray scale of red black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r0 dark light 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r2 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : r3~ r1020 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r1021 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r1022 red 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r1023 gray scale of green black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g0 dark light 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 g2 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : g3~ g1020 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 g1021 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 g1022 green 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 g1023 gray scale of blue black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b0 dark light 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 b1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 b2 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : b3~ b1020 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 b1021 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 b1022 blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 b1023 note) definition of gray : rn : red gray, gn : green gray, bn : blue gray (n = gra y level) input signal : 0 = low level voltage, 1 = high level voltage www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 20 / 29 6. interface timing 6.1 timing parameters ( de only mode ) signal item symbol min. typ. max. unit note clock frequency 1/t c tbd 297 tbd mhz - hsync f h tbd 135 tbd khz - vsync f v tbd 120 tbd hz - vertical display term active display period t vd - 1080 - lines - vertical total t v tbd 1125 tbd lines - horizontal display term active display period t hd - 1920 - clocks - horizontal total t h tbd 2200 tbd clocks - note) this product is de only mode. the input of hs ync & vsync signal does not have an effect on normal operation. (1) test point : ttl control signal and clk at lvds tx input terminal in system (2) internal v dd = 3.3v (3) spread spectrum - modulation rate (max) : 1.5 % - modulation frequency : under 100khz www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 21 / 29 6.2 timing diagrams of interface signal ( de only m ode ) data signals de t vd t v t h d clk t c de t hd 0.5 0.5 0.5 0.5 v vv v cc cccc cc t tt t es eses es t tt t ds dsds ds t tt t dh dhdh dh t tt t ch chch ch t tt t cl clcl cl t tt t c cc c de dede de display display display display data data data data d dd d clk clk clk clk 0.5 0.5 0.5 0.5 v vv v cc cccc cc 0.5 0.5 0.5 0.5 v vv v cc cccc cc www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 22 / 29 6.3 power on/off sequence to prevent a latch-up or dc operation of the lcd mo dule, the power on/off sequence should be as the diagram below. t1 : v dd rising time from 10% to 90% t2 : the time from v dd to valid data at power on. t3 : the time from valid data off to v dd off at power off. t4 : v dd off time for windows restart t5 : the time from valid data to b/l enable at powe r on. t6 : the time from valid data off to b/l disable at power off. the supply voltage of the external system for the m odule input should be the same as the definition of v dd . apply the lamp voltage within the lcd operation ran ge. when the back light turns on before the lcd operation or the lcd turns off befor e the back light turns off, the display may momentarily show abnormal screen. in case of v dd = off level, please keep the level of input signals low or keep a high impedance. t4 should be measured after the module has been ful ly discharged between power off and on period. interface signal should not be kept at high impedan ce when the power is on. 0 www..net www..net
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model LTA400HF05 doc. no 06-000-g-090312 page 25 / 29 8. packing 8.1 carton (internal package) (1) packing form corrugated fiberboard box and corrugated cardboard as shock absorber (2) packing method item specification remark lcd packing 12ea / (packing- pallet box) 1. 120 kg / lcd (12ea) 2. 7 kg / cushion-pallet (2ea) 3. 6.7 kg / packing-pallet box (1ea) 4. cushion-pallet material : eps 5. packing-pallet box material : dw4 pallet 1box / pallet 1. pallet weight = 8 kg packing direction vertical total pallet size h x v x height 1150mm(h) x 985mm(v) x 609mm(height) total pallet weight 142.7 kg pallet(8kg) + module(120kg) + cushion(up+bottom=7kg) + pallet-box(6.7kg) 8.2 packing specification direction to open packing -pallet box cushion-foam lcd module cushion-foam pallet-plastic www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 26 / 29 9. marking & others a nameplate bearing followed by is affixed to a shi pped product at the specified location on each product. (1) part number : LTA400HF05 (2) revision: three letters (3) lot number : x x x x xxx xx x cell position no. (in the glass) glass no. (in the one lot) lot no. (glass) month year (note1) product code line 40mm 80mm week code : 05 29 week year (4) nameplate indication (6) others 1. after service part lamps cannot be replaced because of the narrow beze l structure. (5) packing box attach part number 100mm 165mm box serial number xxxx 12 LTA400HF05 xxxxxxxxxx xxx lot number revision code LTA400HF05 www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 27 / 29 10. general precautions 10.1 handling (a) when the module is assembled, it should be atta ched to the system firmly using all mounting holes. be careful not to twist a nd bend the module. (b) because the inverter use high voltage, it shoul d be disconnected from power before it is assembled or disassembled. (c) refrain from strong mechanical shock and / or a ny force to the module. in addition to damage, this may cause improper oper ation or damage to the module and led back light. (d) note that polarizers are very fragile and could be damage easily. do not press or scratch the surface harder than a h b pencil lead. (e) wipe off water droplets or oil immediately. if you leave the droplets for a long time, staining or discoloration may occur. (f) if the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth. (g) desirable cleaners are water, ipa(isopropyl alco hol) or hexane. do not use ketone type materials(ex. acetone), ethyl alcohol, toluene, ethyl acid or methyl chloride. it might permanent damage to th e polarizer due to chemical reaction. (h) if the liquid crystal material leaks from the p anel, it should be kept away from the eyes or mouth . in case of contact with ha nds, legs or clothes, it must be washed away with soap thoroughly. (i) protect the module from electrostatic discharge . otherwise the asic ic or semiconductor would be damaged . (j) use finger-stalls with soft gloves in order to keep display clean during the incoming inspection and assembly process. (k) do not disassemble the module. (l) do not disassemble shield case of inverter & lv ds board. (m) do not connect n.c pins. (samsung internal use only) (n) protection film for polarizer on the module sho uld be slowly peeled off just before use so that the electrostatic charge can be minimized. must put on antistatic glove while handle a module (o) pins of i/f connector should not be touched dir ectly with bare hands. www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 28 / 29 10.2 storage (a) do not leave the module in high temperature, an d high humidity for a long time. it is highly recommended to store the module with t emperature from 0 to 35 and relative humidity of less than 70%. (b) do not store the tft-lcd module in direct sunli ght. (c) the module should be stored in a dark place. it is prohibited to apply sunlight or fluorescent light in storing. 10.3 operation (a) do not connect or disconnect the module in the "power on" condition. (b) power supply should always be turned on/off by the "power on/off sequence" (c) module has high frequency circuits. sufficient suppression to the electromagnetic interference should be done by system manufacturers . grounding and shielding methods may be important to minimize the interference. (d) the cable between the back light connector and its inverter power supply should be connected directly with a minimized length. a lo nger cable between the back light and the inverter may cause lower lum inance of led and may require higher startup voltage(vs). 10.4 operation condition guide (a) the lcd product should be operated under normal conditions. normal condition is defined as below; - temperature : 20 15 - humidity : 55 20% - display pattern : continually changing pattern (no t stationary) (b) if the product will be used in extreme conditio ns such as high temperature, humidity, display patterns or operation time etc.., it is strongly recommended to contact sec for application engineering advice. otherwise, its reliability and function may not be guaranteed. extreme conditions are commonly found at airports, transit stations, banks, stock market, an d controlling systems. www..net www..net
model LTA400HF05 doc. no 06-000-g-090312 page 29 / 29 10.5 others (a) ultra-violet ray filter is necessary for outdoo r operation. (b) avoid condensation of water. it may result in i mproper operation or disconnection of electrode. (c) do not exceed the absolute maximum rating value . ( supply voltage variation, input voltage variation, variation in part contents and environmental temperature, and so on) otherwise the module may be damaged. (d) if the module keeps displaying the same pattern for a long period of time, the image may be "sticked " to the screen. to avoid image sticking, it is recommended to use a screen saver. (e) this module has its circuitry pcb's on the rear side and should be handled carefully in order not to be stressed. (f) please contact sec in advance when you display the same pattern for a long time. www..net www..net

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