Nokia RH-44 Series Manuals

Manuals and User Guides for Nokia RH-44 Series. We have 2 Nokia RH-44 Series manuals available for free PDF download: Troubleshooting - Bb, Assembly

Nokia RH-44 Series Troubleshooting - Bb

Nokia RH-44 Series Troubleshooting - Bb (40 pages)

Transceivers

Brand: Nokia | Category: Cell Phone | Size: 0.59 MB

Table of Contents

Table of Contents
3
Troubleshooting Overview
5
- Flash Programming
  6
  - Connections to Baseband
    6
  - Baseband Power up
    7
  - Flash Programming Indication
    7
  - Flashing
    7
- Power up and Reset
  9
  - Power up with PWR Key
    11
  - Power up When Charger Is Connected
    11
  - RTC Alarm Power up
    12
- Power off
  12
- Power Consumption and Operation Modes
  12
- Power Distribution
  13
- Clock Distribution
  14
  - Rfclk (19.2 Mhz Analog)
    14
  - Rfconvclk (19.2 Mhz Digital)
    15
  - Cbusclk Interface
    15
  - Dbusclk Interface
    16
  - Sleepclk (Digital)
    16
  - Sleepclk (Analog)
    17
- Charging Operation
  17
  - Battery
    17
  - Charging Circuitry
    18
  - Charger Detection
    19
  - Charge Control
    20
- Audio
  20
- Display and Keyboard
  20
- Accessory
  21
Test Points
22
Troubleshooting/Flowcharts
23
- Top Troubleshooting Map
  23
- Phone Is Totally Dead
  23
- Flash Programming Doesn't Work
  23
- Phone Is Jammed
  28
- Power Doesn't Stay on or the Phone Is Jammed
  29
- Charger
  31
- Audio Faults
  32
  - Earpiece
    32
  - Microphone
    33
  - MIDI
    34
  - Vibra
    35
- Display Faults
  36
- Keypad Faults
  38
  - Power Key
    38
  - UI Modules
    39

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Nokia RH-44 Series Assembly

Nokia RH-44 Series Assembly (12 pages)

Transceivers

Brand: Nokia | Category: Cell Phone | Size: 1.09 MB

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