Nokia NSD-6 Manuals

Manuals and User Guides for Nokia NSD-6. We have 1 Nokia NSD-6 manual available for free PDF download: Disassembly & Troubleshooting Instructions

Nokia NSD-6 Disassembly & Troubleshooting Instructions

Nokia NSD-6 Disassembly & Troubleshooting Instructions (44 pages)

Brand: Nokia | Category: Cell Phone | Size: 1.31 MB

Table of Contents

Table of Contents
3
Troubleshooting
8
Baseband Troubleshooting
8
Main Circuit Sections
8
- Power Circuitry
  8
- Ccont
  8
- Vbat
  8
- Vref
  8
- Linear Regulators
  9
  - Vbb
    9
  - RF Regulators (VR1-VR7)
    9
  - V2V (Vmad)
    9
- Switch Mode Regulator
  9
  - V5V (+5V_Power)
    9
  - Vsim (3V_5V)
    9
  - A/D Conversion
    10
  - Watchdog
    10
  - Serial Bus
    10
  - Penta
    10
- External Regulators
  11
- Clocks
  11
  - Sleep Clock
    11
  - System Clock
    11
  - CDMA Clock
    11
- Charging Circuit
  11
- Cafe
  12
- Microphones
  12
- Earpiece and XEAR
  12
- Clock Circuit
  12
- Ampsmod
  12
- Transmit and Receive RF Signals
  12
- Mad4
  13
- Dsp
  13
- External Regulator
  13
- Mcu
  13
- Memories
  14
Problems
14
- Phone Won't Power up
  14
- Flash Align
  14
  - Test 9
    14
  - Test 10
    14
- In the Field
  14
- Battery will Not Charge
  14
- Audio Failures
  15
- List of Test Points
  16
- Test Point Diagrams
  19
RF Troubleshooting
20
Wintesla General Set up
20
Testing Menu
21
- AMPS Fault Finding Setup
  21
- Cell Band CDMA Fault Finding Setup
  22
- PCS Band CDMA Fault Finding Setup
  23
- Tuning Menu
  23
- AMPS Tuning AFC
  24
  - Description of Test
    24
  - Definition of Result
    24
  - Manual Verification
    24
  - Troubleshooting
    25
- AMPS Tuning Tx Power Levels
  25
  - Description of Test
    25
  - Definition of Result
    26
  - Manual Verification
    26
  - Troubleshooting
    27
- AMPS Tuning Tx Modulation Index
  28
  - Description of Test
    28
  - Definition of Result
    28
  - Manual Verification
    29
  - Troubleshooting
    29
- AMPS Tuning RSSI
  29
  - Description of Test
    29
- Definition of Result
  29
  - Manual Verification
    30
  - Troubleshooting
    30
- AMPS Tuning Rx Audio Gain
  32
  - Description of Test
    32
  - Definition of Result
    32
  - Manual Verification
    33
  - Troubleshooting
    33
- 800 CDMA Tuning Tx if AGC
  33
  - Description of Test
    33
  - Definition of Result
    33
  - Manual Verification
    34
  - Troubleshooting
    34
- 800 CDMA Tuning LNA Switch
  35
  - Description of Test
    35
  - Definition of Result
    36
  - Manual Verification
    36
  - Troubleshooting
    36
- 800 CDMA Tuning Rx if AGC
  36
  - Description of Test
    36
  - Definition of Result
    37
  - Manual Verification
    37
  - Troubleshooting
    37
- 800 CDMA Tuning Rx if Compensation
  38
  - Description of Test
    38
  - Definition of Result
    38
  - Manual Verification
    38
  - Troubleshooting
    38
- 1900 CDMA Tuning Tx if AGC
  39
  - Description of Test
    39
  - Definition of Result
    39
  - Manual Verification
    39
  - Troubleshooting
    39
- 1900 CDMA Tuning LNA Switch
  40
  - Description of Test
    40
  - Definition of Result
    40
  - Manual Verification
    40
  - Troubleshooting
    41
- 1900 CDMA Tuning Rx if AGC
  41
  - Description of Test
    41
  - Definition of Result
    41
  - Manual Verification
    42
  - Troubleshooting
    42
- 1900 CDMA Tuning Rx if Compensation
  42
  - Description of Test
    42
  - Definition of Result
    42
  - Manual Verification
    43
  - Troubleshooting
    43
Test Point Values
44

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