xx手機(jī)故障判別方法-資料下載頁
2025-07-13 20:09本頁面
【導(dǎo)讀】1）外殼上不應(yīng)有明顯的裂痕、裂縫、凹痕、碰傷等；內(nèi)外殼連接處完整牢固，沒有開裂痕跡；2）電池防水標(biāo)識紙：是否色澤鮮艷，若進(jìn)水后其色彩都會暗淡；3）電池觸點(diǎn)：無斷裂、無缺失、無氧化的痕跡；若電池有以上人為損壞跡象，則該電池不在保修范圍之內(nèi)。1）電性能良好的手機(jī)上電池后不開機(jī)，而該機(jī)使用其他電池或直流電源可正常開機(jī)。2）充電10-15分鐘后，依舊無充電顯示且不開機(jī)。致）后依無法開機(jī)。與環(huán)境溫度有關(guān)的不充電故障投訴。電池當(dāng)前的實(shí)際有效容量以及充電飽滿程度。不同類型和芯片工藝的SIM卡的工作電流相差很遠(yuǎn)，新型／SIM僅是。5V／SIM卡的幾分之一。而SIM卡在整機(jī)功耗中占著相當(dāng)大的比重。網(wǎng)絡(luò)情況以及手機(jī)發(fā)射系統(tǒng)的效率。第五步：使用電池測試儀對電池容量進(jìn)行測試，檢測結(jié)果容量≥80%的電池為合格電池。二次與移動SIM卡通話，第三次與聯(lián)通SIM卡通話。試電池電壓，記錄其數(shù)值，關(guān)機(jī)截止電壓為，偏差正負(fù)。
【正文】 9+/3dbm Level 11:21+/3dbm Level 15:13+/3dbm Level 19:5+/5dbm Set MS at channel 1,62,124 Set MS at channel 62 Set MS at channel 62 Set MS at channel 62 Set MS at channel 62 Frequency error +/ Set MS @ TX power level 5,15,19 for channel 1,62,124 Phase error 5 degree rms, 20 deg peak Set MS @ TX power level 5,15,19 for channel 1,62,124 Power time template +/10us6dbc or –6dbm +/18us30dbc or –17dbm +/28us59dbc or –36 dbm Set MS @ TX power level 5,15,19 for channel 1,62,124 Output RF spectrum (due to switching transient) Power level5: Fc+/400khz:19dbm Fc+/600khz:21dbm Fc+/1200khz: 21dbm Fc+/1800khz:24dbm Set MS @ TX power level 5 for channel 62 RBW=30khz VBW=100khz Peak Hold Measurement Output RF spectrum (due to modulation) Fc+/200khz: 30dbc or –36dbm Fc+/250khz: 33dbc or –36dbm Fc+/400khz: 60dbc or –36dbm Fc+/600khz to 1800khz: 60dbc or –51dbm Fc+/1800 to 3000khz: 63dbc or 46dbm Fc+/3000 to 6000khz: 65dbc or 46dbm Fc+/=6000khz: 71dbc or 46dbm Set Ms TX power level 5 for channel62 RBW=30khz VBW=30khz For1800khz RBW=100khz RBW=100khz Sensitivity 102dbm for ClassⅡ RBER% Set MS TX power level 5 at channel 1,62,124 RSSI 80dbm+/4dbm Set MS TX power level 5 at channel 62 604041501C 聯(lián)想手機(jī)故障判別方法 12 2． DCS 1800 Items Required Spec Test condition TX power level Level 0: 30177。2 dbm Level 15:0+/5dbm Set MS at channel 513, 700, 884 Set MS at channel 700 Frequency error +/ Set MS @ TX power level 0,15 for channel 513,700,884 Phase error 5 degree rms, 20 deg peak Set MS @ TX power level 0,15 for channel 513,700,884 Power time template +/10us6dbc or –6dbm +/18us30dbc or –17dbm +/28us48dbc or –48dbm Set MS @ TX power level 0,15 for channel 513,700,884 Output RF spectrum (due to switching transient) Power level0: Fc+/400khz:22dbm Fc+/600khz:24dbm Fc+/1200khz:24dbm Fc+/1800khz:27dbm Set MS @ TX power level 0 for channel 700 RBW=30khz VBW=100khz Peak Hold Measurement Output RF spectrum (due to modulation) Fc+/200khz: 30dbc or –36dbm Fc+/250khz: 33dbc or –36dbm Fc+/400khz: 60dbc or –36dbm Fc+/600khz to 1800khz: 60dbc or –51dbm Fc+/1800 to 6000khz: 65dbc or –51dbm Fc+/=6000khz: 77dbc or –51dbm Set Ms TX power level 0 for channel700 RBW=30khz VBW=30khz For1800khz RBW=100khz RBW=100khz Sensitivity 102dbm for ClassⅡ RBER% Set MS TX power level 0 at channel 513,700,884 RSSI 80dbm+/4dbm Set MS TX power level 0 at channel 700
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