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Philips Manuals
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ap4111
Service manual
Philips ap4111 Service Manual
Nordic mobile telephone
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Table Of Contents
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Contents
Table of Contents
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Table of Contents
Contents
General Information
Introduction
Mobile Installation
Portable Version
Technical Data
For Semi-Handsfree Operation
For Handset Operation
Receiver
Transmitter
Description of the Simplified Block Diagram
Installation Instructions
Survey of Installation Kits
Mounting Tray Kit
Mounting Cassette Kit
Antenna
Antenna Survey
Antenna with Magnetic Socket
Cable Connections
Mounting Cassette
Removal of Rear Cover
Magnetic Base
Disassembling of the Magnetic Base
Wiring Diagram
Connections of Options
External Alarm
Horn Alarm
Music Muting
Ignition Time-Out
Detailed Operation
Keys and Display
Turning on the Set
Service Indicators
In-Service Indicator
Tone Signals for Service Conditions
Roaming Failure Indicator
Call Indicator Lamp
Incoming Calls
Making a Call
Function Tone
Repeated Calls
Clearing an Incorrect Number or Digit
Answering a Call
Semi-Handsfree Operation
Abbreviated Entering
Storing a Number in the Memory
Recalling a Stored Number by Entering an Abbreviated Number
Cancelling a Number in the Memory
Checking the Contents of the Memory
Recalling the Last Called Number
Subscriber Procedure
Call Transfer
Programming of Ringing, Alarm and Light
Changing the Ringing Signal
Keyboard Beeper
Count the Time You Call
Electronic Lock
Locking Level
Lock Function
Light in Handset
Field Strength Display
MFT Signalling
Time out
List of Service Key Functions
Portable Kit
The Transceiver
Disassembling of the Transceiver
Removing of the Cover
Replacement of the Transceiver Part
Removing the System Board U1
Removing the PA-Stage U5
Description of the Transceiver
Description of the Block Diagram
Block Diagram
Description of Unit 1, System Board
On/Off Circuits
Power Supply
Computer Section
Other Circuits
Audio Control
Component Location, System Board
Description of Unit 2, IF- and AF-Amplifier
Field Strength Amplifier
Supervisor Filter
Circuit Diagram
Description of Unit 3, RX Synthesizer
Frontend
Voltage Regulators
Component Location, RX Synthesizer
Description of Unit 4, TX/AF Amplifier
Description of Unit 5, PA Stage
Service Instructions
Connecting the Service Interface Unit to the Transceiver and Handset
Explanation of the Software Functions
Test and Adjustment of the Transceiver
Voltage Reference Adjustment
Adjustment Locations
Test and Adjustments
Detailed Adjustment Procedure for Unit 2
Crystal Filter
Mixer and Oscillator
Detailed Adjustment Procedure for Unit 3
Reference Oscillator
Bandpass Filters
Mixer Gain
Receiver Performance Test
Sensitivity
Field Strength
Distortion
AF Level
Transmitter Performance Test
Transmitter Power Level
Modulations
Mechanical Parts
Exploded View, Transceiver
Electrical Parts
Handset
Disassembling of the Handset
Description of the Handset
Keyboard Test
Handset Loudspeaker and Microphone
Display Illumination Test
Component Location, Handset
Component Location, RF Filter
Exploded View, Handset
L/H Switch
Charging
Assembling
Disassembling of the Portable Cassette
Disassembling of the Battery Pack
Wiring Diagram, Portable Cassette
Service Interface Unit
Mounting Cassettes
AP 4016 Voice Operated Handsfree
Installation of the Interface Unit
Installation of the Connection Unit to the Handset Connection Cable
Location and Connection of Loudspeaker and Microphone
Operating Instructions
Activation of VOX Mode
Action of Semi-Handsfree Mode
Technical Description
VOX Circuit
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