Ericsson EF738 Service Manual page 92

The Ericsson service philosophy includes the ambition that engineers serving our
telephones also possess a general knowledge of the system for which they are
intended, as well as of the phone itself and its accessories.
This manual contains consequently not only information regarding the actual serv-
ice work but also additional information as stated below.
Section 1: System Introduction
- network description
- frequency tables
Section 2: Technical Description
- description of the mechanical design
- operational description of the electronic circuitries
- technical specifications
Section 3: Test/Service Programs
- test equipment
- test program
- ETACS service program
- keypad NAM programming
- flash programming
Section 4: Service Instructions
- system connector signals
- disassembly/reassembly
- PCB exchange
- fault finding and alignment
Section 5: Accessories
- technical descriptions of available accessories
Section 6: HandsFree Installation
- installation instructions regarding vehicle handsfree kits
Section 7: Spare Parts
- section reserved for separately distributed spare parts lists
Section 8: Service Messages
- section reserved for separately distributed service messages
Preface