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Nokia operates a policy of continuous development. Nokia reserves the right to make changes and improvements to any of the products described in this document without prior notice. Under no circumstances shall Nokia be responsible for any loss of data or income or any special, incidental, consequential or indirect damages howsoever caused.
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RM-235 ESD protection ESD protection Nokia requires that service points have sufficient ESD protection (against static electricity) when servicing the phone. Any product of which the covers are removed must be handled with ESD protection. The SIM card can be replaced without ESD protection if the product is otherwise ready for use.
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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/e- mail. Please state: •...
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RM-235 General Information Share • Nokia XpressShare - share effortlessly from Gallery or after capture via Email, Bluetooth, MMS or IrDA • Direct connection to TV via cable or WLAN (UPnP) • Video call and video sharing support. (WCDMA services) •...
• Bluetooth wireless technology 2.0 + EDR • Nokia 3.5 mm AV connector Add-on software framework • Symbian 9.3 OS • Nokia Series 60, 3rd edition, feature pack 2 • Java: MIDP2.0 • C++ and Java SDKs Additional technical specifications •...
The table below gives a short overview of service devices that can be used for testing, error analysis, and repair of product RM-235. For the correct use of the service devices, and the best effort of workbench setup, please refer to various concepts.
The table below gives a short overview of service devices that can be used for testing, error analysis, and repair of product RM-235. For the correct use of the service devices, and the best effort of workbench setup, please refer to various concepts.
The table below gives a short overview of service devices that can be used for testing, error analysis, and repair of product RM-235. For the correct use of the service devices, and the best effort of workbench setup, please refer to various concepts.
• Connect suitable antenna to signal generator Note: You may alternately use a known good FM radio broadcast as a test signal. 2. Attach the Nokia headset to the phone’s AV connector. 3. Use Scroll button to autotune to the radio frequency. Issue 1 COMPANY CONFIDENTIAL Page 3 –41...
GPS antenna pogo pins and the GPS ASIC. It also contains a receive button. Before this test is performed a known good RM-235 unit should be tested in order to calibrate the setup. The signal level of the Signal Generator should be adjusted so a reading of SNR 40 dB is achieved with the reference unit.
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The FMTx 2.0 implementation is based on the Silicon Laboratories Si4713 low power FM transmitter device. This device has some state of the art features which have been utilised in the Nokia implementation. Apart from having excellent RF transmitter performance and exceptional AF performance the device offers a number of unique features, including the ability to retune the output stage of the device to ensure optimal matching between the Tx antenna and the output stage of the device.
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On RM-235 the _SEN is pulled high by connecting it to VIO. RM-235 uses a loop antenna which is located in the removable C-cover of the device. The loop antenna also acts as the tuning inductor which is required by the Si4713 chip. The location of the antenna in the removable cover means that ESD protection is required to prevent damage to the Si4713 device.
If the _SEN signal is not correct (i.e. not selecting the correct I2C address), then this is also another possible reason why control of the FMTx 2.x feature might not be possible. For RM-235 the I2C address used for FMTx 2.x will be 0x63.
Typical maximum swing of these tones will be ~636mV peak to peak. The maximum swing may vary between Nokia handsets but for the FMTx 2.0 implementation, the swing should not be greater than the aforementioned value.
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If the ‘AutoJump’ tick box is checked then this list will be transmitted to the FM receiver to allow the handset to perform AF jumps. This is dependent on the Nokia handset and if the FM receiver is RDS capable.
• GND (Battery ground) Charging This phone is charged through the smaller Nokia standard interface (2.0 mm plug). Charging is controlled by energy management, and external components are needed to protect the baseband module against EMC, reverse polarity and transient frequency deviation.