MCU Flash Loading

The flash loading equipment is connected to the baseband by means of the test connector before the module is cut out from the frame. Updating SW on a final product is done by removing the battery and connect a special adapter that contains the necessary contacting elements. The contacts on the baseband board are test points that are accessable when the battery is detached. The power supply for the base band is supplied via the adapter and controlled by the flash programming equipment. The base...

Info

Charge Switch Circuit Diagram The charging switch transistor V304 controls the charging current from the charger input to the battery. During charging the transistor is forced in saturation and the voltage drop over the transistor is 0.2-0.4V depending upon the current delivered by the charger. Transistor V304 is controlled by the PWM output from N300, via resistors R309, R308 and transistor V311. The output from N300 is of open drain type. When transistor V304 is conducting the...

Pscld N External Components

N300 performs the required power on timing. The PSCLD, N300 internal power on and reset timing is defined by the external capacitor C330. This capacitor determines the internal reset delay, which is applied when the PSCLD, N300 is initially powered by applying the battery. The baseband power on delay is determined by C311. With a value of 10 nF the power on delay after a power on request has been active is in the range of 50-150 ms. C310 determines the PSCLD, N300 internal oscillator frequency...

External IO and ADconverters

This block is used to measure specified voltages. It also controls the mobile antenna motor (AMC) and the car radio mute (CMR). Specified voltages are car battery voltage +VB, ignition sense voltage (IGNS) and phone charging voltage +VC. For CRM and AMC current are also controlled by this block. There are 4 external connectors to other units, and one internal speaker connector. These external connectors are the car connector, the system connector, the microphone connector and the speaker...

Circuit Description Summary

The transceiver electronics consists of the Radio Module (RF + BB blocks), the UI-module and the display module. The UI-module is connected to the Radio Module with a connector and display module is connected to UI-module by solder joint. BB blocks and RF blocks are interconnected with PCB wiring. The Transceiver is connected to accessories via a bottom system connector with charging and accessory control. The BB blocks provide the MCU and DSP environments, Logic control IC, memories, audio...

Operation

The PHF-3 has external connections to car battery, ignition sense, car radio muting, external microphone and external speaker. The unit has a HF-connector that provides an interface to the phone via external antenna unit. The connection can be made directly or using the extension cable between PHF-3 and AAH-1D. There is also an internal speaker inside the handsfree unit. The unit consists of a switching mode rapid charger, HF-speaker and HF-microphone amplifiers, volume control circuit, voltage...

Standard Handsfree Unit PHF

The standard handsfree unit enables the phone to operate in handsfree mode. The unit is attached to the vehicle interior using mounting plate MKE-7, or swivel mounting plate HHS-7. The mounting must be secured with a screw (delivered with MKE-7 HHS-7). A temporary installation can be achieved using installation belts (not supplied). Power is supplied from the vehicle's battery via the power cable PCH-4J. The standard handsfree unit provides the power supply to the phone via the system...

SIM Interface

The SIM interface is the serial interface between the smart card and the baseband. The SIM interface logic levels are 5V. The baseband is designed in such a way that a 3V technology SIM can be used whenever it is available. The SIM interface signals are generated inside the ASIC. The signals coming from the ASIC are converted to 5V levels. The PSCLD circuit is used as the logic voltage conversion circuit for the SIM interface. The PSCLD circuit also contains the voltage regulator for the SIM...

Contents

Batteries for Battery Pack BLJ-1 Battery Pack BLJ-4 Battery Pack BMH-1 Battery Pack Chargers for NHE-8 9 Fast amp Light Charger Universal Mobile Charger Fixed Mobile Charger LCM-1 Power Cable PCM-5 Desktop Stand Handsfree Headset Kit Headset Adapter Headset Adapter Data accessories for NHE-8 9 Data Card DTP-2 ver II Infra Red Data Link JLC-1 and JLP-1 Technical Documentation Non Serviceable Accessories

Functional Circuit description

The following sections of circuitry are included on the PCB - Liquid Crystal Display Module and peripheral circuitry - Keyboard amp Display back light circuits - Buzzer driver circuit and connection pads - Pads for microphone and speaker connection - A method of connection between the user interface PCB and the main system board The functions are described in details below. See UIF Schematic on page NO TAG for further information.

Fast Light Charger ACH

Extremely light, functionally designed fast amp light charger charges your phone battery quickly. Plug the charger into a wall outlet and connect the connector to the bottom of your phone. When not using the charger, you can wrap the cord around it and attach the loose end to the slot on top. The charging time is approximately 45 minutes for the 470 mAh battery. Check the charging status on the phone display. You can use your phone also while charging. Operating within voltage range 90 V 250 V...

Introduction

This chapter contains a list of products modules together with their associated order codes, and details of the technical specifications for the Transceiver these specifications are split into general, transmitter and receiver functions. The NHE-8 9 are handportable cellular phones for the pan-European GSM network. They have a GSM phase 1 power class 4 transceiver providing 11 power levels with a maximum output power of 2W. The basic handportable package offers the user a standard battery pack...