Nokia 2608 Service Manual
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Nokia 2608, RM-376 System Module and User Interface Issue1 Company Confidential Page 5-37 Copyright © 2008 Nokia. All rights reserved. Channel TX(MHz) RX(MHz) Channel TX(MHz) RX(MHz) Channel TX(MHz) RX(MHz) Channel TX(MHz) RX(MHz) Channel TX(MHz) RX(MHz) 338 835.14 880.14 375 836.25 881.25 412 837.36 882.36 449 838.47 883.47 486 839.58 884.58 339 835.17 880.17 376 836.28 881.2
Nokia 2608, RM-376 Baseband Troubleshooting Page 3-14 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. Microphone test
Nokia 2608, RM-376 Service Tools and Service Concept Issue1 Company Confidential Page 2-7 Copyright © 2008 Nokia. All rights reserved. Cables The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-376. CA-101 Micro USB cable The CA-101 is a USB-to-micro USB data cable that allows connections between the PC and the phone. PCS-1 Power Servi
Nokia 2608, RM-376 System Module and User Interface Page 5-28 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. Figure 21 Internal earpiece circuitry Internal speaker The output power for the auxiliary speaker output is typically 0.6 W sine wave into impedance is 7 ohm in 1k Hz. The 2608 also supports a hands-free speaker. Figure 22 Internal speaker circuitry ibra circuitry Vibra is used for Vibra alarm functi
Nokia 2608, RM-376 Service Tools and Service Concept Issue1 Company Confidential Page 2-11 Copyright © 2008 Nokia. All rights reserved. Automated Tuning and Alignment concept Figure 4 Automated Tuning and Alignment concept Type Description Product specific tools MJ-209 Module Jig Other tools PK-83 AMS SW Protection Key (USB) Nokia Care Suite PC with Nokia Care Suite service software (L3 version) R&S CMU200 with B89/PK800 module CDMA CALL BOX Cables CA-101 Micro USB cable PCS-1 Pow
Nokia 2608, Issue1 Company Confidential Page 2-1 Copyright © 2008 Nokia. All rights reserved. Nokia Customer Care 2- Service Tools and Service Concept
Nokia 2608, RM-376 System Module and User Interface Issue1 Company Confidential Page 5-33 Copyright © 2008 Nokia. All rights reserved. i T block diagram FM R o ip The Si4702 integrates the complete tuner function from antenn put to tereo audio output for FM broadcast radio p e acce clock to the RCLK pin. The Si4702 is based on the supe p e of Silic o Aero architecture offering unmatched interference rejec n g vity. e s e prog mming interface as the Si4700 and supports mult b s r m
Nokia 2608, RM-376 RF Troubleshooting Page 4-4 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. RF key components QSC6020 FEM TQM613025 RF connector Power detector SAW Filter
Nokia 2608, RM-376 Glossary Page 6-2 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. (This page left intentionally blank.)
Nokia 2608, RM-376 Service Tools and Service Concept Page 2-6 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. General tools The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-376 RJ-230 Soldering RJ-230 is a jig to support component level exchange with soldering machines for the engine module. PK-83 AMS SW Protection Key (USB) PK-83 is a hardware protection key with a USB interface to enable the use of the service software when connected to the USB port
Nokia 2608, RM-376 RF Troubleshooting Issue1 Company Confidential Page 4-11 Copyright © 2008 Nokia. All rights reserved. Receiver troubleshooting Introduction to rece oubleshooting RX can be tested by making a phone call or in local mode. For the local mode testing, use the RF CallTest in Nokia CDMA L3 PST service software. The main RX troubleshooting measurement is RSSI reading. This test measures the signal strength of the received signal. Setup for RX Troubleshooting Use the following steps to nfigure FTM mode for RF troubleshooting. 1. Connect RF test connect
Nokia 2608, RM-376 RF Troubleshooting Issue1 Company Confidential Page 4-21 Copyright © 2008 Nokia. All rights reserved. FM radio troubleshooting FM Voltage Test Point # Test Point Description Value 1 C1602.1, C1603.1 Vph 3.4V~4.2V 2 C1604.2 Vreg_ MSMP 2.6V
Nokia 2608, RM-376 RF Troubleshooting Page 4-2 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. General RF troubleshooting Introduction to RF troubleshooting Most RF semiconductors are static discharge sensitive ESD protection must be applied during repair (ground straps and ESD soldering irons). Pre-baking (TBD) These parts are moisture sensitive and must be pre-baked prior to soldering: z RFIC xxxx z PA xxxx Discrete components In addition to the key-components, there are a number of discrete comp
RM-376 System Module and User Issue1 Company Confidential Page 5-35 Copyright © 2008 Nokia. All rights reserved. Interface Frequency mappings CDMA 800 frequencies Chan nel TX(MHz) RX(MHz) Channel TX(MHz) RX(MHz) Channel
Nokia 2608, RM-376 Company Policy Issue1 Company Confidential Page VII Copyright © 2008 Nokia. All rights reserved. Company Policy Our policy is of continuous development; details of all technical modifications will be included with service bulletins. While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If any errors are found by the reader, NOKIA MOBILE PHONES Business Group should be notified in writing/email. Please stat
RM-376 RF Troubleshooting Page 4-20 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. CELL 800 TX Path Troubleshooting Troubleshooting flow
Nokia 2608, RM-376 Baseband Troubleshooting Issue1 Company Confidential Page 3-3 Copyright © 2008 Nokia. All rights reserved. Troubleshooting overview For practical reasons, troubleshooting is divided into two sections; z Baseband troubleshooting z RF troubleshooting
Nokia 2608, RM-376 Baseband Troubleshooting Page 3-8 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. Troubleshooting flow
RM-376 System Module and User Interface Page 5-20 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. SLEEP Clock waveform (32.768KHz +/-20ppm) Figure 12 Sleep_CLK Timing at 25P 0P C
RM-376 RF Troubleshooting Page 4-24 Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. Figure 9 Auto tuning concept with CMU200/Agilent 8960 Service software preparations Install the phone-specific data package. This defines the phone-specific settings. RF
Nokia 2608, RM-376 Amendment Record Sheet Page II Company Confidential Issue1 Copyright © 2008 Nokia. All rights reserved. Amendment Record Sheet Amendment No Date Inserted By Comments Issue 1 06/2008 Shelly Wang 09/2008 Shelly Wang update
RM-376 RF Troubleshooting Issue1 Company Confidential Page 4-13 Copyright © 2008 Nokia. All rights reserved. Cell Receiver Check DVGA and LNA offset value LNA Range DVGA LNA1 LNA2 LNA3 Input RF level (dBm) -92.6 -81.8 -53.8 -43.8 Reasonable offset value 10~70 80~152 160~277 280~430 Receiver RF test point For the
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