Çäðàâñòâóéòå.
Ïðèíåñëè íà ðåìîíò òåëåôîí Microsoft (Nokia) Lumia 430 (RM-1099) ñ äåôåêòîì íå âêëþ÷àåòñÿ è íå îïðåäåëÿåòñÿ êîìïüþòåðîì. Ïðè ïîäêëþ÷åíèè âìåñòî àêêóìóëÿòîðà áëîê ïèòàíèÿ, òîê ïîòðåáëåíèÿ 0 ìÀ. Ïîñëå íàæàòèè êíîïêè âêëþ÷åíèÿ òîê ïîòðåáëåíèÿ 60 ìÀ è ïðèìåðíî ÷åðåç 10 ñåêóíä ïàäàåò äî 0 ìÀ. Ïðè ïîäêëþ÷åíèè ðîäíîãî àêêóìóëÿòîðà è çàðÿäíîãî óñòðîéñòâà ÷åðåç àìïåðìåòð òîê ïîòðåáëåíèÿ 0 ìÀ, ò.å. çàðÿäêè íåò.
Áûëè ïðîèçâåäåíû èçìåðåíèÿ â ñëåäóþùèõ òî÷êàõ:
1. Áûëà ïðîâåäåíà ïðîâåðêà äîõîäèò ëè íàïðÿæåíèÿ ñ USB ðàçúåìà äî ÊÏ U1301 (PM8110) ÷åðåç ìèêðîñõåìó U3503 (BQ24312DSG) â ðåæèìå çàðÿäêè. Âûâîä 1 ìèêðîñõåìû - ýòî Âõîä, à âûâîä 8 ìèêðîñõåìû - ýòî Âûõîä . Íà âûõîäå ìèêðîñõåìû íàïðÿæåíèå 5  èìååòñÿ.
2. Áûëè ïðîâåäåíû èçìåðåíèÿ âòîðè÷íûõ íàïðÿæåíèé ñ ÊÏ U1301 (PM8110), à èìåííî:
Âûâîä 43 VREG_S1_1P15V - 1,27 Â
Âûâîä 85 VREG_S2_1P05V - 1,26 Â
Âûâîä 74 VREG_S3_1P35V - 1,48 Â
Âûâîä 53 VREG_S4_2P1V - 2,28 Â
Âûâîä 31 VREG_L1_1P225V - 0 Â
Âûâîä 36 VREG_L2_1P2V - 1,3 Â
Âûâîä 6 VREG_L3_1P15V - 1,26 Â
Âûâîä 14 VREG_L4_1P2V - 1,3 Â
Âûâîä 30 VREG_L5_1P3V - 0 Â
Âûâîä 18 VREG_L8_1P8V - 1,91 Â
Âûâîä 33 VREG_L9_2P05V - 0 Â
Âûâîä 35 VREG_L12_UIM1 - 0 Â
Âûâîä 25 VREG_L14_1P8V - 0 Â
Âûâîä 32 VREG_L16_3P3V - 0 Â
Âûâîä 29 VREG_L17_2P9V - 3 Â
Âûâîä 5 VREG_L18_2P95V - 3 Â
Âûâîä 16 VREG_L19_2P85V - 0 Â
Âûâîä 23 VREG_L20_3P075V - 3,18 Â
Íà âñåõ êîíäåíñàòîðàõ ïî ýòèì öåïÿì ãäå íàïðÿæåíèå ñîñòàâëÿåò 0 Â êîðîòêîãî çàìûêàíèÿ îòíîñèòåëüíî "çåìëè" íåò.
ß ãðåøó íà ÊÏ, íî åñòü ñîìíåíèÿ â ñòîðîíó EMMC. Òàì óñòàíîâëåíà EMMC ïàìÿòü SKhynix H9TP64A8JDMCPRKGM
Ñíÿë EMMC è ïîäêëþ÷èë ê êîìïüþòåðó è îí òåëåôîí óâèäåë êàê qualcomm hs-usb qdloader 9008.
EMMC ïîäêëþ÷èë ê Z3X è ñ÷èòàë ñëåäóþùèé êîíôèã:
Êîä:
EMMC CID : 90014A48384731650503A8D549BE5248
EMMC CSD : D02701320F5903FFFFFFFFEF8A4040D2
Èçãîòîâèòåëü eMMC: ID: 0090 , OEM ID: 014A
EMMC Date: 05/2015 Rev.0x3
EMMC NAME: H8G1e , S/N: 2832550334
EMMC NAME (HEX): 48384731652000
EMMC ROM1 (Main User Data) Capacity: 7456 MB
EMMC ROM2 (Boot Ðàçäåë 1) Åìêîñòü: 4096 kB
EMMC ROM3 (Boot Ðàçäåë 2) Åìêîñòü: 4096 kB
EMMC RPMB (Replay Protected Memory Block) Capacity: 4096 kB
EMMC Permanent Write Protection: No
EMMC Temporary Write Protection: No
EMMC Password Locked: No
Extended CSD rev 1.7 (MMC 5.0)
Boot configuration [PARTITION_CONFIG: 0x38] Boot from:ROM1 (Main User Area)
Boot bus config [177]: 0x00 , width 1bit , Partition config [179]: 0x38.
H/W reset function [RST_N_FUNCTION]: 0x00
High-capacity W protect group size [HC_WP_GRP_SIZE: 0x00000000]
Partitioning Support [PARTITIONING_SUPPORT]: 0x07
Device support partitioning feature
Device can have enhanced tech.
Partitioning Setting [PARTITION_SETTING_COMPLETED]: 0x00
Ñ÷èòûâàíèè èíôîðìàöèè ñ ROM1 ïðîøëî óñïåøíî, áåç îøèáîê.
Çàïàÿë îáðàòíî EMMC â òåëåôîí è ïðîáîâàë ïîäêëþ÷èòü ê êîìïüþòåðó. Êîìïüþòåð ñíîâà ïåðåñòàë åãî îïðåäåëÿòü. Áåç EMMC êîìïüþòåð îïðåäåëèë òåëåôîí êàê qualcomm hs-usb qdloader 9008.
Ïîïðîáîâàë â ýòè öåïè, ãäå íàïðÿæåíèå 0 Â, à èìåííî:
Âûâîä 31 VREG_L1_1P225V - 0 Â
Âûâîä 30 VREG_L5_1P3V - 0 Â
Âûâîä 33 VREG_L9_2P05V - 0 Â
Âûâîä 35 VREG_L12_UIM1 - 0 Â
Âûâîä 25 VREG_L14_1P8V - 0 Â
Âûâîä 32 VREG_L16_3P3V - 0 Â
Âûâîä 16 VREG_L19_2P85V - 0 Â
ïîäàòü 1,1 Â, äëÿ òîãî ÷òîáû ïîñìîòðåòü òîêè ïîòðåáëåíèÿ ïî ýòèì öåïÿì. Òîêè îòñóòñòâîâàëè.
ÊÏ ïîêà íå ìåíÿë, ïî ïðè÷èíå åãî îòñóòñòâèÿ. Íî âñå-òàêè ïåðåä òåì êàê çàêàçàòü ÊÏ, õî÷ó óòî÷íèòü êàê äîëæíû ïîÿâëÿòüñÿ âòîðè÷íûå íàïðÿæåíèÿ ñ åãî âûõîäà. Ìîæåò ýòè íàïðÿæåíèÿ äîëæíû ïîÿâëÿòüñÿ ïî ñèãíàëó îò ïðîöåññîðà? Êòî-íèáóäü ìîæåò îáúÿñíèòü ïîñëåäîâàòåëüíîñòü çàïóñêà è ôîðìèðîâàíèÿ âòîðè÷íûõ íàïðÿæåíèé.
Ñïàñèáî.