Recent content by thomamagic

it's good have check all pins on UC840 and no short i have input 5V on each pins and in pin 4 i have high consumption with thermal camera found bad caps on CP957 (PPVOUT_KBDBKLT), i have remove and now machine start

hello i have 820-02899 with problem 5V and have spikes 0.160A 1 sec and stop on slot 1 have logo pd fix on aixun tester power and second no but same 5V 0.112A for test i have replace UF400 and UF500 same i have flash 2sec with thermal camera on UC840 PP3V8AON/PH1/PH2/PH3 have 3.8V PPBUS_AON...

for information i have test with board working and i have same value

i have order new cd3215c00z and test with sofix machine (s-uem2) right connector all is perfect, left i have value too up for pin 6/31/33/40/42 test replace again ub300 but same idea?

That's precisely what's strange; with the screen disconnected, I don't have the main session display but the second screen of the extended display. PP3V3_S2 is present and get 3.2V

for info JR200 without connect : pin 1 : 1.8V pin 2 : 1.8V pin 3 : 0V pin 9 : 1.8V pin 2 : 3.3V pin 4 : 1.8V pin 8 : 0V pin 12 : 0V

3.8V on PP3V8_AON 1.8V on EDP_PANEL_PWR_EN 0.55V on FB_BLKT_2D 3.29V on PPBCON_AWAKESW_BKLTCONN without screen connect ans same with screen connect

i have image if i connect usb c hdmi os start but it's only 2nd screen. Don't have icone test with replace backlight driver same, new screen same

hello please i have help for machine a1989 i have 19V / 0A left and write usb-c in 1st port on 2nd port have 5V 0.27A for test i want reflash soc rom but don't have file you can send link ? or other way?

of course i have put F7040/41 and have 12.2V but not start

now i have 2 : 18.4v 3 : 4.47v 9 : 0.03v 12 : 12.28V 13 : 3.36v 14 : 3.24V 15 : 0.06V 17 : 12.28V 19 : 5.5V 20 : 5.5V 27 : 0V

i have fix, pin 3 have 4.47V but not start

U7000's basic voltages: 2 : 18.54V 3 : 0v 9 : 0.03v 12 : 3.39V 13 : 3.36v 14 : 0V 15 : 0.05V 17 : 0.34V 19 : 5.5V 20 : 5.5V 27 : 0V

hello, client have change battery, machine works during 2 month and now no power i have check no water damage PPBUS_G3H have only 3.5V I have remove F7040/41 and same, 3.5V on pin 1 and 1.12V on pin 2 Replace U7000 for check and same PP3V42_G3H is present i have green light on charger

already test, remove and replace same