User Guide

ManualsBrandsNokia ManualsCell Phone6670

Nokia Customer Care 6(a) - Baseband Troubleshooting

Company Confidential RH-51/52, RH-67/68

List of figures

Page No

Fig 1 Main troubleshooting diagram....................................................................................................7

Fig 2 Phone is jammed or dead..............................................................................................................8

Fig 3 BB selftest items..............................................................................................................................9

Fig 4 Flashing troubleshooting 1........................................................................................................ 10

Fig 5 Flashing troubleshooting 2........................................................................................................ 11

Fig 6 General power check................................................................................................................... 13

Fig 7 CBUS test points........................................................................................................................... 14

Fig 8 CBUS waveform ............................................................................................................................ 15

Fig 9 Flash interface layout (FBUS/MBUS test pads layout) ..................................................... 16

Fig 10 Not charging on display........................................................................................................... 17

Fig 11 Nothing happens when charging ..........................................................................................18

Fig 12 ADC reading view....................................................................................................................... 19

Fig 13 USB interface troubleshooting............................................................................................... 21

Fig 14 UPP_WD2 and UEME SIM connections............................................................................... 22

Fig 15 SIM power up waveform.......................................................................................................... 23

Fig 16 SIM answer to reset waveform.............................................................................................. 23

Fig 17 Insert SIM card troubleshooting............................................................................................ 24

Fig 18 Keypad troubleshooting 1 ....................................................................................................... 25

Fig 19 Keypad troubleshooting 2 ....................................................................................................... 26

Fig 20 Display troubleshooting ........................................................................................................... 27

Fig 21 Illumination troubleshooting 1.............................................................................................. 28

Fig 22 Illumination troubleshooting 2.............................................................................................. 29

Fig 23 MMC troubleshooting .............................................................................................................. 30

Fig 24 Internal microphone troubleshooting.................................................................................. 31

Fig 25 External microphone troubleshooting ................................................................................. 32

Fig 26 Internal earpiece troubleshooting......................................................................................... 33

Fig 27 External earpiece troubleshooting........................................................................................ 34

Fig 28 IHF troubleshooting................................................................................................................... 35

Fig 29 Accessory detection troubleshooting................................................................................... 36

Fig 30 Sharpness of picture is worse in edges than in center ................................................... 39

Fig 31 Shaking hands caused blurring of this image. ................................................................. 40

Fig 32 Near objects in image get skewed when shooting from a moving car...................... 40

Fig 33 Noisy image taken in +70deg............................................................................................... 41

Fig 34 Image which has been taken “against the light”. ......................................................... 41

Fig 35 Flicker in image of white uniform object illuminated by strong fluorescent light. 42

Fig 36 A lens reflection effect caused by sun shining above the scene.................................. 42

Fig 37 A good quality picture taken indoors...................................................................................42

Fig 38 Effects of dust in optical path ............................................................................................... 44

Fig 39 Camera HW troubleshooting.................................................................................................. 46

Fig 40 Hardware failure troubleshooting......................................................................................... 47

Fig 41 Bad image quality troubleshooting ......................................................................................48

Fig 42 EM calibration window ............................................................................................................ 50