led samsung ,main board ics messurment

ic904 ap7173

in 3.3 on pin 1&2 output 2.5 on pin 9 &10 7&8 vst 3.3 ic401 ic 902 1.2 volt ic 709 ts3431 ilt ((t 910 pin 3 is on off pin 6 is 12 v ) (ic903 t904 pin 2 vcc5 pin 3 5v2 stby ) ( ic502 AP2171M PIN 5 5V2 PIN 2 GND PIN 4 ENABLE ) (IC6 STM8095 PIN 1GND 2 RESET 3 3.3V ( D5 GS1M INPUT 3.3 OUT 2.5 ) ( IC 407 CD OED SCAN FREQUINCY ) (IC 901 1.8 OK IC3 8HAH ) IC 904 BESIDE USB CODE SMD BA OEG

مخطط مبسط لجهاز مشي رياضي صيني

simple schematic of walking machine sport china

panel ity400hm09

tsl 24835 amlco lqf6041t0b-04 sm4109-dc /dc/ converter stvp -12 ckv from 1-4 equal 8 v max 17108

sumv59 ms important volt for operation

pin 115 reset hw pin 5 3.3 v pin 13pin 27 pin 60 1.2 v pin 21 3.3 stb pin 34 3.3 stby pin 52 avdd stb 3.3v pin 51 and 59 3.3 v pin 103 power on pin105 pwm 1 pin 106 pwm 2 pim 132 test mode i think for test three color red green blue in case of short line or more lvds line short togather or with ground the cpu stop lvds signal and active this pin to make the panel work on test mode depend on epprom program saved in eeprom

plasma transistor ijpt with board name

p70n06-14 to 220 n mosfet 60v 49-160 a ar 49 avalancded current diode irfp045 60v 57 amp n cn IRFP260 n mosfet 200 amp 200 v 300 w to 247 NGTG50N60FWG -------------------- 43fvybm2 layer rfus14 kf9n25 tjpf30n43p (3d17fs tmd113 3n50) (1d25au fgd 4536) rjp63k2 (sf10a400hd) ( kf9n25 ) (panasonic an16638a ) rfu20 tf5s --------------------------------- ssh20p035fb g416 (auk c3225 smk 1625 ) (1d04a fgp4636 ) (30j127 ) (rfsu10 tfsu ) (pansonic an16538a ) ( 3a04fs tmd 867 5n50 ) (kf9n25 ) (snk 1820 308 ) y (30g124 ) (rjp63k2 ) (rfsu10 tfus) (rfu20 tfs5 ) ------------------------------------------------------------ ta759b a5 -1c00pa (fbri 737 ) (aukb1b01 10a400h ) (rf1501 ) (auk 41c12 smk 1820 ) (30g124 ) (1b47bx fgpf 4536 ) (auk61b01 sf10a400 ) (rjp 30e2 ) -------------------------------- s board l34-09478a 42 dhx main rjp30h1 (sf5a400hd ) (d3n50 ) ( smk630 ) (rjp30h1) (sfa100 h) (30g124) (rfsu 100 ) -------------------------------- ta759b a3 19d31y ba43 lj41-09422a (auk sf10a400) 30g124 (1b27et fgpf 4536) (1b25ee4 fgpf4536 ) ------------------------------ lg41-102 b2a auk as1c06 smk (auk31b01 sf10a400 ) (1b47bbfgpf4536) ( rjp63k2 ) *(rfx10tf6s) diode

vgh odd vgh even operation mode

vgh evev vgh odd in lg and in all tecom time control board work in normal mode with flliping betwwn high vgh 27 and negative vgl -5 volt flliping and toggel every second and that writting in tecon

lg display sw0871 scaller ic tps65175a dc to dc converter gama ic clk 1 to 6 odd even line odd vgh even vgh mode work the eeprom of the tecon i take with all size with 1.8 volt vcc for eeprom 24cxx there is important information the scaller ic for 43 id diffrent than 42 also the gama ic bullit in with dc to dc ic but in 43 the last 3 pin is active volt gama 13 14 15 volt but in 42 it is flot not connected so if you connected 43 maby will connected and make damage to panel https://www.mediafire.com/file/eethr3eew44fn1m/42_6871l-3398eepaalg1071.rar/file if you connected 12 volt to tecon direct and didnt connected lvds cable from main and seperate flex cable to the panel you can see if the vgh odd and even flip every second then the eeprom work fine if you wont stop this flip betwwen vgh and vgl just remove eeprom so both working as flip flop in case of there is problem in picture then you seperate lift or right side and it is fine picture and there is short in vgh odd or even you can handel it by seprate vgh odd an vgh even from tecon and connected with vgl both with wier and see it vgl reduce and connected vgh and see if it reduce you make step pulse connect or connected with 4.7 to 10 ohm risistance after that you know which line is shorted with vgh or vgl the connected with revers volt it it shorted with vgl then connected to vgh if it shorted with vgh then conected with vgh and connect the other in revers votl and cut the good side and connected pararell with it ----------------------------------------- other important info the vertial line and horizonal line in lvds odd and clk + clk -odd and the vertcal horizontal line in lvds even and clk + clk - even is important signal ohm between each line is 100 ohm internal resistance the scaller ic which pin is impo signal for horizntal and vertical on lvds cabel pin 14 15 on tp vst59-pb318 jake wich is rxoc - rxoc + mean clk signal odd and 15-16 on lvds cabel and 17 18 on lvds cabel is horizontal and vertical signal connected to rxo3+ rxo3 - on microchip the same think pin 27-28 on lvds is the rxec + rxec- and 29 30 connected to vertical and gorizontal signal on rxe3+ and rxec- pin 10 11 vertical horizontal even on ic 0871 pin 8-9 clk - clk + even pin45 46 rxo c + - pin 47 48 horizontal vertical odd on tm .vol on model v17-42 drd 1 tm 120