Hi I've done extensive testing and found several shorts pin 4 of lvds connector was -627 in diode mode. Replaced q4262 now I have .356 on pin 4
My guess is q4262 was grounding pp3v3_so and pp3v3_so_lcd_f :/ but still same black screen with backlight on this one has me puzzeld that when I plug the battery in shorts @7221, r7272 battery unplugged r7272 read 78.6k and q7221
pin1 .013
Pin4 .013
All others are at .540
Currently back tracking pp3v3_s4 gets 3.3 immediately on power up pp3v3_s5 takes 20 seconds
With battery plugged in Tested in diode mode at u7200 found r7272 78.6k resistor
pin1 pp3v3_entrip = .013,
pin 2 gnd_Currently back tracking pp3v3_s4 gets 3.3 immediately on power up pp3v3_s5 takes 20 seconds
Tested in diode mode at u7200 found r7272 78.6k resistor
pin1 pp3v3_entrip = .013,
pin 2 gnd_5v3v3s5_sgnd = .013
Q7221
Pin 6 p5vs3_entrip = .013
Pin 3 p3v3s5_entrip = .013
P5vs3_en_L is .7 volts
pp3v3s5_en_L is 3.3 volts probe 904
My guess is q4262 was grounding pp3v3_so and pp3v3_so_lcd_f :/ but still same black screen with backlight on this one has me puzzeld that when I plug the battery in shorts @7221, r7272 battery unplugged r7272 read 78.6k and q7221
pin1 .013
Pin4 .013
All others are at .540
Currently back tracking pp3v3_s4 gets 3.3 immediately on power up pp3v3_s5 takes 20 seconds
With battery plugged in Tested in diode mode at u7200 found r7272 78.6k resistor
pin1 pp3v3_entrip = .013,
pin 2 gnd_Currently back tracking pp3v3_s4 gets 3.3 immediately on power up pp3v3_s5 takes 20 seconds
Tested in diode mode at u7200 found r7272 78.6k resistor
pin1 pp3v3_entrip = .013,
pin 2 gnd_5v3v3s5_sgnd = .013
Q7221
Pin 6 p5vs3_entrip = .013
Pin 3 p3v3s5_entrip = .013
P5vs3_en_L is .7 volts
pp3v3s5_en_L is 3.3 volts probe 904
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