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RH-54
User Manuals: Nokia RH-54 Unlocked Cellular Phone
Manuals and User Guides for Nokia RH-54 Unlocked Cellular Phone. We have
4
Nokia RH-54 Unlocked Cellular Phone manuals available for free PDF download: Troubleshooting Instructions, Manual, Disassembly Instructions Manual, Service Tools
Nokia RH-54 Troubleshooting Instructions (72 pages)
Brand:
Nokia
| Category:
Cell Phone
| Size: 2.73 MB
Table of Contents
Table of Contents
3
Baseband Troubleshooting
7
Baseband Test Points
7
Fig 1 BB Test Points
7
Troubleshooting Diagrams
8
Fig 2 BB Test Points 2
8
Phone Is Dead
9
Fig 3 Phone Is Dead Troubleshooting
9
Flash Programming Does Not Work
10
Fig 4 Flash Programming Troubleshooting
10
Power Does Not Stay on or Phone Is Jammed
11
Fig 5 Phone Jammed Troubleshooting
11
Display Information : "Contact Service
12
Fig 6 Troubleshooting When Contact Service Message Seen
12
The Phone Does Not Register to the Network, or the Phone Cannot Make a Call
13
Fig 7 no Call Troubleshooting
13
Charging Troubleshooting
14
Fig 8 Phone Is Off:no Current from Charger
14
Fig 9 Display Info:charger Connected, Not Charging
15
Audio Troubleshooting 1, 2
16
Fig 10 Microphone Does Not Work
16
Fig 11 Top: Earpiece Does Not Work
16
Audio Troubleshooting 3: Headset Does Not Work
17
Fig 12 Headset Does Not Work
17
Upper Block Failures
18
Fig 13 Vibra Troubleshooting
20
Introduction to RH-53/54 RF Troubleshooting
23
General Description of the RF Circuits
24
Receiver Signal Path
24
Transmitter Signal Path
24
Fig 14 Receiver Signal Path
24
Pll
25
Fig 15 Transmitter Signal Path
25
Fig 16 Frequency Plan
27
RF Key Component Placement
28
Fig 17 RF Key Component Placement
28
Troubleshooting
29
Common Circuit
29
Power Supply Configuration
29
Fig 18 Power Supply Configuration
29
Fig 19 UEM Measuring Points
30
General Instructions for Synthesizer Troubleshooting
31
26 Mhz Reference Oscillator ( VCXO )
31
Example Signal Measured at VCXO Output (R420)
32
Vco
32
Fig 20 Measured Signal at VCXO Output
32
Troubleshooting Chart for the Synthesizer
33
Fig 21 Troubleshooting Chart for Synthesizer
33
Measurement Points for the Synthesizer
34
Receiver Troubleshooting
37
Front End Module (FEM) Control Signals
37
Renesa FEM Logic
37
RFMD FEM Logic
37
Measurements Points
38
Measurement Points for the Receiver
38
Receiver
40
General Instructions for GSM850 RX Troubleshooting
40
General Instructions for GSM1900 RX Troubleshooting
43
Receiver
46
General Instructions for GSM900 RX Troubleshooting
46
General Instructions for GSM1800 RX Troubleshooting
48
RH-53/54 Transmitter Troubleshooting
53
Measurement Points for the Transmitter
53
General Instructions for TX Troubleshooting
54
Troubleshooting Chart for GSM900 Transmitter
56
Logic Signals for the Front End Module
57
Renesa FEM Logic
57
RFMD FEM Logic
58
Analog Power Control Signals (TXC, VPC, VDET)
58
I/Q Signals
60
Alignment
61
Manual Alignment with Phoenix
61
RX Calibration
61
RX Band Filter Response
64
Tx Power Tuning
64
I/Q Tuning
66
RF Control
69
Autotune (RH-53 with CMU200)
70
File Adjustments
70
Phoenix Setup
70
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Nokia RH-54 Manual (38 pages)
System Module
Brand:
Nokia
| Category:
Cell Phone
| Size: 0.44 MB
Table of Contents
Table of Contents
3
Abbreviations
6
Introduction
9
Technical Summary
9
Fig 1 RH-53/54 Bb Block Diagram
9
List of Features
10
Technical Specifications
12
Modes of Operation
12
No Supply
12
Power off
12
Acting Dead
13
Active
13
Sleep Mode
13
Charging
13
Regulators
14
DC Characteristics
15
Supply Voltage Ranges
15
Regulators Voltage Ranges
16
Interconnection Diagram
17
External Signals and Connections
17
Battery Connector
17
Fig 2 Ipower Distribution Diagram
17
Baseband - RF Interface
18
Internal Signals and Connections
18
Audio
18
Speaker (Ringer & Earpiece)
19
Hinge Flex Connection
19
Fig 3 Flex Con. Pin out
20
Baseband Board Clocks
21
Functional Description
22
Audio External
22
Headset Detection
22
Fig 4 External Audio Interface
22
Pnphf Detection
23
Audio Internal
23
Earpiece/Ringer
23
Microphone
24
Fig 5 Earpiece/Ringer Interface
24
Vibra
25
Introduction
25
Acoustic Design
25
Batteries
25
Fig 6 Microphone Interface
25
Keyboard
26
Fig 7 BL-4C Battery
26
Fig 8 Keyboard PWB Layout
26
Display & Keyboard Backlight
27
LCD Backlight
27
Keyboard Light Effects
27
Lcd
28
Memory Module
28
Fold Detection-Switch
28
SIM Interface
28
Fig 9 UEM, UPP and SIM Interface
28
SIM -Reader
29
SIM Switch and Card Detection
29
Fig 10 Upper Block B-Cover SIM-Slide Slot
29
Fig 11 SIM Draw and Switch
30
Assembly
31
Flex
31
Security
32
Test Interfaces
33
Connections to Baseband
33
Fig 12 Test Pattern
33
FBUS Interface
34
Test Points
34
RF Functional Descriptions
36
RF Block Diagram
36
Frequency Synthesizers
36
Vcxo
36
Vco
36
Fig 13 RF Block Diagram
36
PLL Synthesizer, Functional Description
37
Receiver
37
Fig 14 Simplified BB, Either I or Q Channel
37
Agc
38
Transmitter
38
Dual Band FEM
38
Power Control Scheme
38
Fig 15 Power Loop
38
Nokia RH-54 Service Tools (12 pages)
Brand:
Nokia
| Category:
Cell Phone
| Size: 0.31 MB
Table of Contents
Custom Service Tools
5
Standard Service Tools
7
Service Cables
10
DA-27 Working Instruction
12
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Nokia RH-54 Disassembly Instructions Manual (14 pages)
Brand:
Nokia
| Category:
Cell Phone
| Size: 1.44 MB
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