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| 8530p (Artemis) Not start https://vlab.su/viewtopic.php?f=53&t=29752 |
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| arturs.gabliks [ 26 фев 2015, 18:30 ] | |
| Заголовок сообщения: | 8530p (Artemis) Not start [РЕШЕНО] |
Adapter broke and shorted 19v with Limit_Signal line. Burned U24 (lm393), replaced and also replaced KBC 1091 NU with new one Power button have voltage and drop when pressed, but no start, just blue power led is on. KBC 1091 vcc0 =2.9v, vcc2=1.1v TPS51120 getting very hot with adapter plugged in tps51120 vin = 19v Vreg3 = 3v, 90ma vreg5 = 5v, 123ma en1 and en2 = 0v vo1 = 0v vo2 = 0.5v hot because of vreg5 is over 100ma ? U141 pin 1 vcc_por#3 =3v pin2 kbc pwr on = 0.8v pin4 tpps51120 en = 0v pin5 vcc = 5v No problems to read russian language |
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