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| VPCF1 (Mbx-235) no charge https://vlab.su/viewtopic.php?f=55&t=37912 |
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| R EZ A [ 28 окт 2015, 16:17 ] | |
| Заголовок сообщения: | VPCF1 (Mbx-235) no charge |
hi guys this board had alittle water damage PQ33 and PD2 was damaged i replace them,and now not charging the battery when i plug the battery at first it hav 12.45V and use 0.02A ENCHG# = 3V CHARGE_CTRL = 0.7V after some secends charge led start blinking in orange and battery voltage reduce to 0 ENCHG# =0v CHARGE_CTRL = 0V in sony manual said that it mean:A battery error has occurred due to a failed battery pack or an unlocked battery pack what do u think? and a question what is BATT_PRS# and SYS_PRS#??? |
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| bobrik.rnd [ 29 окт 2015, 19:45 ] | |
| Заголовок сообщения: | Re: VPCF1 (Mbx-235) no charge |
It happens when damaged gates of charging mosfets or charger IC. Check short circuit between phase and gates of mosfets. |
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| and555 [ 31 дек 2015, 10:54 ] | |
| Заголовок сообщения: | Re: VPCF1 (Mbx-235) no charge |
R EZ A писал(а): what is BATT_PRS# and SYS_PRS#??? BATT_PRS# : will active(low) when battery is inserted. SYS_PRS# : will active(low) when over voltage is detected and reset the system. |
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