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Nokia 62435i Manuals
Manuals and User Guides for Nokia 62435i. We have
1
Nokia 62435i manual available for free PDF download: Troubleshooting Manual
Nokia 62435i Troubleshooting Manual (68 pages)
Brand:
Nokia
| Category:
Handhelds
| Size: 3.71 MB
Table of Contents
Troubleshooting
1
Table of Contents
2
6235/6235I/6236I Mobile Terminal
5
RF Components
6
Preliminary RF Troubleshooting
7
RF Troubleshooting Equipment List
7
Transmitter RF Troubleshooting
8
Transmitter Block Diagram
8
Transmitter Schematics
9
Transmitter Troubleshooting Guidelines
10
Transmitter Troubleshooting Setup
10
AMPS Tx Setup
11
Cell Tx Setup
14
PCS Setup
16
Transmitter RF Troubleshooting Procedures
18
Failed Test: Tx PA Detector
19
Transmitter Output Spectrum
20
Transmitter Test Points
21
Tx RF Part Diagram
21
Tx DC Test Points
22
Tx RF Test Points
23
Tx DC Power Supply Test Points
24
Transmitter UHF lo
25
Tx UHF lo Schematic
25
Tx UHF lo (N7000) Test Points
26
PCS Tx UHF Spectrum Output
26
Cell Tx UHF Spectrum Output
27
Receiver RF Troubleshooting
28
Receiver Block Diagram
29
Receiver Schematics
29
RF AGC Status
30
Turning on the Rx Path
31
Switching the Rx Gain States
33
Checking AMPS from RF to IQ
33
Checking Cell Receiver from RF to IQ
34
Checking PCS Receiver from RF to IQ
36
Receiver Diagnostic Signal Tracing
37
Receiver DC Test Points
38
Receiver RF Test Points
39
Receiver if Test Points
40
Receiver Logic Input Voltages
41
N7160 Receiver Overview
41
Synthesizer Troubleshooting
43
Synthesizer Block Diagram
44
Synthesizer Schematics
45
Synthesizer Troubleshooting Setup
46
Top Level Troubleshooting
46
Incorrect PLL Frequencies
47
VCTCXO Troubleshooting
48
VCTCXO Manual Tuning
48
AFC Voltage Troubleshooting
49
UHF Synthesizer Schematic
52
UHF Synthesizer Troubleshooting
52
UHF Synthesizer Test Points
54
Typical UHF lo Spectrum Outputs
54
Rx VHF lo (N7100) Schematic
56
Rx VHF lo Troubleshooting
57
Tx UHF lo (N7000) Schematic
58
Tx UHF lo (N7000) Troubleshooting
59
Typical Transmitter UHF lo Spectrum Outputs
59
GPS Troubleshooting
60
GPS RF Block Diagram
60
GPS RF Schematic
61
GPS Troubleshooting Setup
61
Self Test Failure
63
Oscillator Failure
63
CW Test Failure
63
GPS RF Troubleshooting
63
GPS DC Test Points
64
GPS RF Test Points
65
FM Radio Troubleshooting
65
FM Radio Schematic
65
FM Radio Troubleshooting Setup
66
FM Radio Part Layouts and Probe Points
66
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