NOKIA UP9 System Module Documentation

Overview
This document set contains technical documentation for the Nokia Mobile Phones NSB6 System Module UP9, including interconnection block diagrams, multiple circuit diagrams, and layout/testpoint references for layout version 12.
Specifications
- Brand: Nokia
- Model: UP9 System Module
- Compatible Series: Nokia NSB-6
- Module Code: 0201362
- Module Type: GSM RF and Baseband System Module
- Network Support: GSM 900 / EGSM 900 / GSM 1900
- GSM 900 Power Class: Class 4 (2 W)
- GSM 1900 Power Class: Class 1 (1 W)
- Main Components: CHAPS, CCONT, COBBA-GJP, MAD2WD1
- Power Management: Battery charging, voltage regulation, and sleep-mode control
- Communication Interfaces: RF, SIM, Audio, Infrared, and User Interface
- Main Functions: Signal processing, network communication, power control, and system management
- PCB Layout Version: 12
- Documentation Issue: Issue 1, June 2000
Document Scope & Named Figures
| Item | Version / Edit (as stated) | Layout Version |
|---|---|---|
| Connection between RF and Baseband modules | 12.03 Edit 12 | 12 |
| Baseband Block Interconnections | 12.03 Edit 12 | 12 |
| Circuit Diagram of Power Supply | 12.03 Edit 16 | 12 |
| Circuit Diagram of MAD | 12.03 Edit 14 | 12 |
| Circuit Diagram of CPU Block | 12.03 Edit 14 | 12 |
| Circuit Diagram of RF Block | 12.03 Edit 43 | 12 |
| Circuit Diagram of Audio and RFI | 12.03 Edit 14 | 12 |
| Circuit Diagram of IR Module | 12.03 Edit 8 | 12 |
| Circuit Diagram of UI | 12.03 Edit 12 | 12 |
| Layout Diagram of UP9 Top | Version 12 (as stated) | 12 |
| Layout Diagram of UP9 Bottom | Version 12 (as stated) | 12 |
| Testpoints of UP9 Top | Version 12 (as stated) | 12 |
| Testpoints of UP9 Bottom | Version 12 (as stated) | 12 |
| RF Testpoints (from UP9 Circuit Diagram) | Layout version 12 (as stated) | 12 |
| RF Testpoints (from UP9 layout) | Layout version 12 (as stated) | 12 |
Document metadata (as stated in source): NSB6 System Module UP9; Issue 1; 06/2000; Nokia Mobile Phones Ltd.; PAMS Technical Documentation.
Connection between RF and Baseband modules
Baseband Block Interconnections
(Version 12.03 Edit 12) for layout version 12
Circuit Diagram of Power Supply
(Version 12.03 Edit 16) for layout version 12
Circuit Diagram of MAD
(Version 12.03 Edit 14) for layout version 12
Circuit Diagram of CPU Block
(Version 12.03 Edit 14) for layout version 12
Circuit Diagram of RF Block
(Version 12.03 Edit 43) for layout version 12
Circuit Diagram of Audio and RFI
(Version 12.03 Edit 14) forlayoutversion 12
Circuit Diagram of IR Module
(Version 12.03 Edit 8) for layout version 12
Circuit Diagram of Ul
(Version 12.03 Edit 12) for layout version 12
Layout Diagram of UP9
— Top (Version 12)
Testpoints of UP9 — Top (Version 12)
RF Testpoints of UP9 — Circuit Diagram for layout version 12
RF Testpoints Of UP9 — layout (version 12)
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Module not powering on | Battery or power circuit fault | Check battery contacts and power supply. |
| No network signal | RF circuit or antenna issue | Inspect antenna connections and RF circuitry. |
| SIM card not detected | Dirty contacts or SIM interface fault | Clean SIM contacts and inspect the connector. |
| No audio output | Speaker or audio circuit problem | Check speaker connections and audio circuitry. |
| Charging failure | Faulty charging connector or circuit | Inspect charger connection and charging components. |
| Infrared not working | IR module or connection fault | Inspect IR components and signal connections. |
| Display not responding | Display connector or interface issue | Check display contacts and connections. |
| Frequent shutdowns | Unstable power supply | Check battery condition and power regulation. |
Documents / Resources
![]() | UP9 System Module |
References
- User Manualmanual.tools

