请教高手翻译维修说明书--中文翻译成英文

Question

一、 拆机方法（注意事项）：
The method of
① 用十字螺丝批将底壳上的四颗螺丝拆下；
② 将底壳拆开，用烙铁将电池正、负极线焊开，然后将底壳取下，在底壳的摄像头装饰圈上贴一层保护膜防止摄像头镜片入尘，再用胶纸将电池的正极粘贴住，防止在维修时电池短路而损坏电池；
③ 将PCB板上的喇叭线焊下，用十字螺丝批将PCB板上的四颗螺丝拆下，然后取出PCB主板,将LCD显示屏及主板从中壳内一起取出；（注意：拆PCB板时要留意LCD显示屏的排线不得受力，防止将LCD显示屏排线拉断）
二、维修方法
1、死机：
① 在电池正负极两端引出正、负两条引线，将稳压电源调至3.7V左右，长按POWER开机钮开机并同时观察电流表有无启动电流，如无电流则检查POWER贴片开关有无假焊或损坏；再测量POWER开关连接“VIN”端有无3.7V左右的电压，若无电压或电压低则检测Q4 有无损坏，R102、R103有无损坏开路；仔细查明原因更换不良元器件；
② 长按P0WER开机钮开机，瞬间电流在80mA－140mA，但松开后又回到初始状态，此时首先检测是否是MP4整机的驱动程序丢失。如条件允许可从同型号的好机上拆下FLASH内存IC予以更换确认或重新升级试之。升级方法参照升级说明书。
③ 如更换FLASH内存IC或更新程序后任未改善，用万用测量U6、U17及U1 IC各引脚是否通路，用万用表检测各IC引脚的对地阻值是否正常，各供电脚有无开路，测量是否有短路或开路的不良现象；
④ 长按POWER开关开机，电流表显示大电流（在150mA－300mA），此故障现象的原因多为主机的后级供电电路与地短路或电源稳压输出电路有异常造成，此时先检测主机的各级供电如：1.8V、3.0V对地有无短路或阻值变小，如发现电阻变小或短路，应逐级断开各稳压IC及供电电感，同时测量该级电路的对地电阻有无变化，当在断开某级电路后电阻回复正常时，应重点检测该级电路的相关元件有无击穿、漏电、损坏等；如果检测到1.8V供电电路对地电阻变小或不正常，则先断开 L14 2.2UH电感，检查是否本级短路，并测量负载端电阻是否正常，如为负载电阻异常，则检查C2、C3、C4、C5、C6、C68、C78、C84、C90、BC6、U16 TVP5150和U1 SPMP3052A是否不良或漏电等；如1.8V 供电正常，再检测U12稳压IC输出的第5脚3.0V供电对地电阻有无短路或阻值变小，如阻值变小或短路则拆下稳压IC测量负载端对地电阻；如对地电阻不正常则检测C1、C10、C12、C14、C28、C29、C33、C71、BC4、BC8、BC10、BC11、BC12、BC13、BC14、U1、U2、U3（显示屏）、U6、U17等相关电路元器件有无损坏或短路的现象；仔细查明原因更换不良元器件；（注意：由于某些用户在插SD卡时手法不当，导致将SD卡的弹片插变形而造成VDD、VCC、供电与GND短路，在维修时要特别留意此处故障）应将电感L4拆下再测量；如3.0V 供电正常，再测测U13稳压IC输出的第5脚3.0V供电对地是电阻有无短路或阻值变小,如阻值变小或短路则拆下稳压IC测量负载端对地电阻；如对地电阻不正常则检测C7、C8、C9、C74、C75、C93、U1、U13、U16等相关电路元器件有无损坏或短路的现象；仔细查明原因更换不良元器件；
⑤ 如1.8V与3.0V无短路或阻值变小现象，再检测“VBAT”正极对地阻值是否变小或短路，正常正向电阻应在50K-70K左右，如BAT+端无短路迹象，阻值正常；再检测电源电路C60、C61、U15、Q3等相关电路有无存在异常，查明原因更换不良元器件；

Answer 1

First, Chiji methods (Note matters):
The method of
① Cross with a screwdriver on the Dike will be removed four screws;
② Dike will open with iron battery is, a negative electrode wire bonding, and then Deke will be removed, Deke camera decorative circle posted a protective film to prevent dust into the camera lens, and then tape battery cathode paste living to prevent and repair damage to short-circuit when the battery cell;
③ PCB board will be the speaker wire bonding, with a screwdriver will cross the PCB board removed four screws, and then remove PCB motherboard, LCD display and a crust removed from the board; (Note: when the demolition of PCB board pay attention to the LCD cable not force, to prevent LCD monitor cable breakage)
Second, the maintenance of
1 Dead:
① at both ends of the battery positive and negative electrodes leads positive and negative two fuses, will be raised to 3.7 V power supply around long boot by POWER button boot and at the same time observe whether ammeter starting current, without the current inspection POWER patch is a switch No false welding or damage to measurement POWER switch linked to the "VIN"-about whether the voltage of 3.7 V, in the absence of voltage or low voltage detection Q4 there is damage, R102, R103 whether damage to pave the way; carefully to identify the reasons for the replacement of undesirable components;
② P0WER long boot by boot button, and instantly the current 80 mA-140mA, but to return to the initial state after release, this is the first test for the driver MP4 components are lost. If conditions permit can be good from the same type of plane removed FLASH memory IC to be replaced or re-confirmed the escalation trial. Upgrade upgrade method reference manuals.
③ such as FLASH memory IC replaced or updated procedures did not improve, he was appointed by 10,000 by measuring U6, U17 and U1 IC pin is the pathway, with a multimeter testing of the IC pins whether it is normal for the resistance, whether electricity feet Open, measuring whether there is a short circuit or open the undesirable phenomena;
④ long boot by POWER switches, ammeter shows that current (150 mA-300mA), the reasons for this phenomenon of multiple failures for the mainframe level after the power supply circuit and short circuit or power regulator output circuit abnormal result of this first mainframe If power at all levels: 1.8 V, 3.0V and availability of short-circuit or smaller resistance, such as resistance found smaller or short-circuit should be step by step and disconnect the power supply inductance voltage regulator IC, and the measurement circuit on the resistance to change there, when in a certain disconnect circuit back to normal after the resistance, should focus on the detection circuit components related to whether the breakdown, leakage, damage, etc. If detected on the 1.8 V power supply circuit and Resistance smaller or not normal, first disconnect L14 2.2UH inductance, check whether the short circuit level, and measure whether it is normal load-resistance, such as abnormal load resistance, check C2, C3, C4, C5, C6, C68, C78, C84, C90, BC6, U16 TVP5150 and U1 SPMP3052A whether poor or leakage; such as 1.8 V power supply normal again detection U12 regulator IC output of 3.0 V power supply 5 feet on the ground resistivity whether short or resistance Small changes, such as the resistance change is small or short-circuit voltage regulator IC removed measurement of the end-load resistance; such as resistivity anomalies were detected C1, C10, C12, C14, C28, C29, C33, C71, BC4, BC8 , BC10, BC11, BC12, BC13, BC14, U1, U2, U3 (screen), U6, U17 circuit components, and other related damage, or whether the short circuit; carefully to identify the reasons for the replacement of undesirable components; (Note: Due some users in the SD card inserted malpractices led to the SD card inserted deformation caused by shrapnel VDD, VCC, and GND short supply, maintenance, failure to pay special attention here) should be removed to L4 inductance measurement; such as 3.0 V power supply normal again Cece U13 regulator IC output of 3.0 V power supply 5 feet on the resistance there is to short-circuit or smaller resistance, such as resistance change is small or short-circuit measurement removed regulator IC Load end of the resistance if the resistivity anomalies were detected C7, C8, C9, C74, C75, C93, U1, U13, U16 circuit components, and other related damage, or whether the short circuit; carefully to identify the reasons for the replacement of undesirable components;
⑤ such as 1.8 V and 3.0 V with short or smaller resistance phenomenon, be detected "VBAT" positive change of the resistance is small or short-circuit, the normal resistance should be positive in about 50 K-70K, such as BAT +-no signs of short-circuit , the resistance of normal power supply circuit to detect C60, C61, U15, Q3, and other related circuit there are abnormal, identifying the reasons for the replacement of undesirable components;

Answer 2

First, opens machine the method (matters needing attention): The method of ① Dismantles with the cross screw-driver's bottom shell in four screws; ② Disassembles the bottom shell, with the iron the battery, the cathode seam welding operates, then takes down the bottom shell, pastes protective film in the bottom shell's camera decoration circle to prevent the camera lens to enter the dust, uses the gummed paper to glue again battery's positive electrode, prevents when the service the battery short-circuits damages the battery; ③ Under the PCB board's on loudspeaker seam welding, dismantles with the cross screw-driver's PCB board on four screws, then takes out the PCB motherboard, together takes out the LCD display monitor and in the motherboard shell; (attention: Opens when the PCB board must pay attention the LCD display monitor's platoon line not to the stress, prevents the LCD display monitor row of line abruption) two, service method 1, to halt: ① Draws out the plus and minus two lead wires extremely in the battery positive and negative both sides, transfers to about 3.7V the voltage-stabilized source, whether there is long starting and simultaneously observes the ampere meter starting current according to POWER starting Niu, if whether there is doesn't have the electric current to inspect POWER to paste the piece switch to assume welds or the damage; Whether there is surveys the POWER switch connection again “VIN” about the end 3.7V voltage, if does not have the voltage or the voltage is low whether there is, then examines Q4 to damage, R102, whether there is do R103 damage the opening; Verifies the reason replacement bad primary device carefully; ② Long according to P0WER starting Niu starting, instantaneous electric current in 80mA-140mA, but after loosening, returns to the original state, this time first examines whether is the MP4 complete machine driver loss. If the condition permission may dismantle FLASH from the same model good opportunity memory IC to replace the confirmation or to promote tries it. Promotion method reference promotion instruction booklet. ③ If after replacing FLASH memory IC or the refresh routine, no matter what has not improved, with multi-purpose surveys U6, whether U17 and U1 the IC various pins circuit, examines each IC pin with the avonmeter to the place resistance number to be whether normal, whether there does each power supply foot lead the way, surveys whether to have the short circuit or the opening undesirable tendency; ④ Long according to the POWER switch starting, the ampere meter demonstrated that the big electric current (in 150mA-300mA), this breakdown phenomenon's reason many have after main engine's level feed circuit and the place short circuit or the power source constant voltage output circuit exceptionally creates, this time first examines main engine's all levels of power supplies for example: 1.8V, whether there is do 3.0V short-circuit to the place or the resistance number change are small, like the discovery resistance changes small or the short circuit, should progressive separation various constant voltages IC and the power supply inductance, whether there is simultaneously surveys this level of electric circuit's resistance to ground to change, when after separating some level of electric circuits the resistance reply is normal, should key examine this level of electric circuit's related part whether there is to penetrate, the leakage, the damage and so on; If examines the 1.8V feed circuit resistance to ground changes small or is not normal, then separates L14 the first 2.2UH inductance, inspects whether this level to short-circuit, and surveys the head end resistance to be whether normal, like is unusual for the load resistance, then inspects C2, C3, C4, C5, C6, C68, C78, C84, C90, BC6, U16 TVP5150 and U1 SPMP3052A whether bad or leakage and so on; If 1.8V supplies power normally, whether there is examines U12 constant voltage IC the output the 5th foot 3.0V power supply resistance to ground to short-circuit or the resistance number to change again is small, if the resistance number changes small or the short circuit dismantles the constant voltage IC survey head end resistance to ground; If the resistance to ground isn't normal examines C1, C10, C12, C14, C28, C29, C33, C71, BC4, BC8, BC10, BC11, BC12, BC13, BC14, U1, U2, U3 (display monitor), U6, whether there is U17 and so on related electric circuit primary device to damage or the short circuit phenomenon; Verifies the reason replacement bad primary device carefully; (attention: Because certain users when inserts the SD card the technique is improper, causes to insert the SD card shrapnel the distortion to create VDD, VCC, the power supply and GND short-circuits, when service wants the special attention here breakdown) to dismantle inductance L4 surveys again; If 3.0V supplies power normally, measured again whether there is U13 constant voltage IC the output the 5th foot 3.0V power supply is the resistance short-circuits to the place or the resistance number changes is small, if the resistance number changes small or the short circuit dismantles the constant voltage IC survey head end resistance to ground; If the resistance to ground isn't normal examines C7, C8, C9, C74, C75, C93, U1, U13, whether there is U16 and so on related electric circuit primary device to damage or the short circuit phenomenon; Verifies the reason replacement bad primary device carefully; ⑤ If 1.8V and 3.0V do not have the short circuit or the resistance number change the small phenomena, examines “VBAT” again the positive electrode to the place resistance number whether to change small or the short circuit, the normal forward resistance should about 50K-70K, like the BAT+ end non-short circuit sign, the resistance number be normal; Examination power circuit C60, C61, U15, whether there is are Q3 and so on again related the electric circuit to exist unusually, verifies the reason replacement bad primary device;

Answer 3

金山快译翻译的,不知道准不准啊

A, dismantle a machine method(regulation):
Method
The ① criticizes to dismantle four screws of bottom hull a bottom with ten word screws;
The ② tears open bottom hull and use to hot irons to be positive the battery, anode line the Han open, then dismantle the bottom hull and be like in the shoot of bottom hull a the adornment fence in to stick the 1 F protection film to prevent°from shoot to be like a mirror slice go into dust, again use gum paper to glue the cathode of battery to stick, prevent°from while maintain battery short circuit but damage battery;
③ The trumpet line of the circuit board plank Han bottom, criticize with ten word screws circuit board plank of four screws dismantle bottom, then take out the circuit board main plank, hold the LCD manifestation and the main plank is from the medium hull inside take out together;(Notice:Dismantle circuit board plank to keep in mind the LCD manifestation hold of the row line can not be subjected to dint and prevent°from holding a LCD manifestation row line to pull and break)
Two, maintain a method
1, crash:
① The plus or minus pole both ends derivation is taking two fuses in the battery, will steady press power supply to adjust to the 3.7 Vs or so, long switch on according to the strength the knob switch on combine in the meantime observe electric current form have already had no start electric current, if the Mayday flow, check strength to stick a slice of switch to have have no false Han or damage;Then the diagraph make switch's linking " wine" to carry have already had no the 3.7 Vs or so electric voltage, if the Mayday press or the electric voltage be low then examine Q4 have already had no damage, the R102 emollient quantity, the R103 have have no the damage open a new road;Cautiously find out reason to replace a bad dollar a spare part;
The ② is long to press the P0 WERs to switch on knob to switch on, the moment electric current is at 140 mamas of 80 mama －s, but loose open after again return to a beginning to start appearance, examine first at this time whether is the MP4 drive of the whole machine procedure to throw to lose.If the condition allow can from together model number of very on board dismantled Shan now memory integrated circuit to replace to confirm or re- get stripe to try it.Get stripe the method accordings to get stripe manual.
If the ③ replaced Shan now memory integrated circuit or renewal procedure successor and improve, use ten thousand use to measure the integrated circuit of the U6, U17 and U1 each lead feet whether thoroughfare, use ten thousand examine each integrated circuit to lead feet with the form of to ground resistivity whether normal, each power supply feet openned a new road, diagraph whether have short circuit or open a new road of bad phenomenon;
The ④ is long press make the switch switch on, electric current form shows big electric current(at 300 mamas of 150 mama －s emollient quantity), this empress class power supply electric circuit and ground short circuit or power supply which breaks down phenomenal reason much for the host are muchsteady to press exportation electric circuit to have unusually result in, examine the all levels power supply of host first at this time such as: 1.8 Vs, the 3.0 Vs has already had no short circuit or resistivity to diminish to the ground, if discover that the electric resistance diminish or short circuit, should pursue class to break to open each steady press integrated circuit and power supply electricity, measure that class electric circuit in the meantime of have already had no variety to the ground electric resistance, in time of break to open after the some electric circuit electric resistance to back to normal, examined the related component of that class electric circuit and broke through in response to the point, electric leakage, damage etc.;If examine the 1.8 V power supply electric circuit ground electric resistance to diminish or falsely often then break first to open the L142.2 UH electricity, check whether this class short circuit, and measure a load to carry electric resistance whether normal, such as in order to load an electric resistance abnormality, then check C2, C3, C4, C5, C6, C68, C78, C84, C90, before A.D.6, the U16 TVP5150 and the U1 SPMP3052 As whether bad or electric leakage etc.;Such as 1.8 V power supply normal, examine U12 again steady press integrated circuit output's 5 the feet 3.0 V the power supply has to the ground electric resistance have no short circuit or resistivity diminish, such as the resistivity diminish or the short circuit then dismantled steady press integrated circuit diagraph a load to carry electric resistance to the ground;Such as often then examine C1, C10, C12, C14, C28, C29, C33, C71 to the ground electric resistance iniquity, before A.D.4, before A.D.8, before A.D.10, before A.D.11, before A.D.12, before A.D.13, before A.D.14, U1, U2, U3(show to hold), U6, the U17 waits a related electric circuit dollar spare part to have phenomenon of have no damage or short circuit;Cautiously find out reason to replace a bad dollar a spare part;(Notice:Because the skill for some customers to put SD card isn't appropriate and cause play of SD card the slice put to transform but result in VDD, VCC, power supply with connect ground short circuit, need to specially keep in mind to here break down while maintain)in response to dismantle to measure again under the electricity L4;Such as 3.0 V the power supply be normal, again measure U13 steady press integrated circuit output's 5 the feet 3.0 V the power supply is an electric resistance to have to the ground have no short circuit or resistivity diminish, such as the resistivity diminish or the short circuit then dismantled steady press integrated circuit diagraph a load to carry electric resistance to the ground;Such as often then examine C7, C8 to the ground electric resistance iniquity, C 9, C 74, C 75, C 93, U 1, U 13, U 16 wait a related electric circuit dollar spare part to have phenomenon of have no damage or short circuit;Cautiously find out reason to replace a bad dollar a spare part;
⑤ Such as the 1.8 Vs and the 3.0 Vs have no short circuit or resistivity diminish phenomenon and examine " VBAT" a cathode again resistivity to the ground whether diminish or short circuit, normally and just to electric resistance in response to about 50 Ks K-70s, like bat+carry have no short-circuit evidence, resistivity normal;Examine power supply electric circuit C60, C61, U15 again, the Q3 waits related electric circuit to have depletion in the abnormality and find out reason to replace a bad dollar a spare part;

Answer 4

这种东西要付钱给翻译才会有人翻的，而且不便宜，这里可能就。。。

Answer 5

你太狠了本回答被提问者采纳