Ericsson EF738 Bedienungsanleitung

service manual

Ericsson Mobile Phone

Type 1030601-BV

EN/LZB 126 1319 R2A

Test/Service Programs

Ericsson Mobile Phone EF738

Test/Service Programs

Contents

Test Equipment_____________________________________ 5

Recommended Instruments _________________________________ 5

Other Equipment__________________________________________ 6

Test Program_______________________________________ 7

How to Use _______________________________________________ 7

Initiating the Test Program______________________________________ 7

Return to TEST INPUT ________________________________________ 7

Exit ________________________________________________________ 7

Individual Test Options ____________________________________ 8

Overview of the Test Program __________________________________ 15

ETACS Service Program____________________________ 17

Hardware Requirements___________________________________ 17

Software Installation______________________________________ 18

Starting the Program _____________________________________ 18

The Programming Cycle___________________________________ 19

Using the Menus _________________________________________ 19

How to Select _______________________________________________ 19

The Functions _______________________________________________ 20

File_____________________________________________________ 20

Edit ____________________________________________________ 21

Short Numbers____________________________________________ 31

Options _________________________________________________ 31

Re-Programming a Telephone______________________________ 32

Contents of Saved Short Number Files _______________________ 32

Keypad NAM Programming_________________________ 33

Long NAM Programming__________________________________ 34

Programmable Parameters _____________________________________ 34

Programming Instructions _____________________________________ 36

Default Values ______________________________________________ 38

Quick NAM Programming_________________________________ 40

Programmable Parameters _____________________________________ 40

Programming Instructions _____________________________________ 41

Default Values ______________________________________________ 42

Flash Programming ________________________________ 43

Introduction _____________________________________________ 43

Hardware Requirements___________________________________ 43

Software Setup___________________________________________ 43

Installing the Shell Program____________________________________ 44

Installing a Flasher Program____________________________________ 44

Flash Operation__________________________________________ 45

Hardware Setup _____________________________________________ 45

Flashing Instructions__________________________________________ 45

Test/Service Programs

Test Equipment

The type of equipment required for service on the Ericsson Mobile Phone EF738 is

listed below and includes instruments, tools, and other hardware.

Descriptions of the programs for test, service, NAM programming, ESN transfer,

and software upgrading are also included in the following subsections.

Recommended Instruments

Instrument Recommended Unit

Alternative 1:

Radio Test System Marconi 2960

lternative 2:

Communication Test Set Schlumberger 4031

Alternative 3:

Communications Test Set Schlumberger 4015

Alternative 4:

Radio Test Set Rohde & Schwarz CMS 52

Signalling Unit Rohde & Schwarz CMS-B13

Other alternatives:

Oscilloscope Tektronix 2235

Multimeter Hewlett-Packard 3468A

Digital Voltmeter Fluke 8060A

Power Supply Unit Power Box EK030-10

GROUND SUPPLY

POWER SUPPLY

INSTRUMENT (FRONT)

RF IN/OUT

SUPPLY CABLE (red)

GROUND CABLE (black)

ANTENNA CABLE

IN-AUDIO-OUT

KRY 101 1612/2

IN - AF - OUT

DB-9

DB-15

LPC

102 280

ANTENNA ADAPTER

Test/Service Programs

Other Equipment

Equipment Ordering Number

ETACS Service Program

Programming Interface NTZ 112 311

Connection Cable KRY 101 1135/10

Adapter LPC 102 280

Car Cradle KRY 109 1001/72

Test Handset NTZ 112 210

Antenna Cable NTZ 112 294

Antenna Cable Adapter RNT 403 012/003

Dummy Battery NTZ 112 310

Service Adapter Kit

- Test Interface Box LPC 102 280

- Audio Box KRY 101 1612/51

- Power Supply 110V KRY 101 1612/54

- Power Supply 220V KRY 101 1612/55

Standard tools and soldering equipment must also available

Note: When servicing mobile telephones, it is most important that a bench earthing

network is used to protect sensitive components against electrostatic discharge

(ESD).

Test/Service Programs

Test Pro

ram

How to Use

This document will describe the use of the built-in test program for the EF738.

After the more extensive descriptions found in Individual Test Options, an overview

follows in the form of a table with data referring to the different options.

This table will become a handy alternative after having some experience of the test

program.

Initiating the Test Program

The test program is initiated from the special test handset;

by holding down the Mbutton and pressing 90 40 59 or

by pressing 90 40 59 followed by M M

However, if the Test Program Enter function is enabled in the telephone, the pro-

gram can be initiated and run directly from the keypad by pressing the same

sequence (M = MENU).

When the phone enters the test mode, the hardware becomes initialized and the text

TEST INPUT appears in the display.

To step forward and backwards in the test program; press SEND and RCL.

To choose a specific test; press its number followed by the #button.

Return to TEST INPUT

Press the Cor Mbutton to return to the input mode where the TEST INPUT prompt

is displayed.

Exit

To exit from the test program; select test option 99 and press the #button.

Test/Service Programs

Individual Test Options

A list describing the use of the test program options follows below.

A summary of the test options and possible parameter values is given as well.

1 CH NUMBER Setting of channel number

Choose any chanel in the ETACS system (0-600, 1329-2047).

Default setting is channel 1.

To change channel number; enter a 4-digit decimal number fol-

lowed by #.

Use *and # to step backwards/forwards.

Channel number and signal strength are displayed.

2 TX POWER Sets the transmitter on and offF and determines the output power

level.

8off

7power level 7; minimum output power

6power level 6

5power level 5

4power level 4

3power level 3

2power level 2; maximum output power

When the power reduction function is activated in menu 76,

power level 2 will be displayed as ‘S’.

When the extra power option in menu 76 is activated,

power level 2 will be displayed as ‘X’.

4 FLASHER Used only when loading the program into a terminal.

5 PWR CAL Calibration of power levels.

Transmitter is turned on and tuned to the calibration channel.

Modify the power levels with the following keys:

# / *increases/decreases the power level

M+Sstores the value and steps to next power level;

transmitter is turned on

M+#starts calibration and displays power level;

steps forward to next power level (2->3->...->7->2).

Cturns off TX, restores channel no., returns to menu 0.

6 TX DETECT Performs two simple transmitter tests: a general Go/NoGo trans-

mitter test and a transmitter leakage test.

To start the test, press any key except C.

The result is displayed when the test is finished:

FF both tests passed

01 general transmitter test failed

02 leakage test failed

7 TX SENS Factory and level 5 repair only

Test/Service Programs

9 RF CAL Calibrates the RSSI levels based on the level of the signal cur-

rently being received.

The value determined for each level is the minimum strength

signal for that level, averaged over 16 readings to provide a

more reliable value.

The value for level 0 is used to update the Receiver Carrier

Detect (RXCD) such that signals below this level are ignored.

This value (plus a fixed offset) also determines the minimum

signal threshold for the AFC.

When the received signal is below this threshold, the AFC pro-

vides TCXO compensation based on a default temperature com-

pensation table.

The values for level 1 and 5 are used to determine the RSSI

graph to display.

The values for level 2, 3 and 4 are interpolated from these two

reference levels.

M+#displays the next RSSI level number and its current value

M+Sreads an averaged RSSI value and stores it

10 RX SENS Adjustment of the receiver audio output

M+#enables calibration and echoes the initial value

# / *increases/decreases the value by 1; new value is echoed

M+Sstores the current value

11 KEYPAD Factory and level 5 repair only

13 BANDGAP Factory and level 5 repair only

14 AUDIO DEV Adjustment of the audio deviation

M+#enables calibration and echoes the initial value

# / *increases/decreases the value by 1; new value is echoed

M+Sstores the current value

15 AFC Sets the AFC operating mode and displays AFC information

0only temperatue compensation

1temp. + age compensation

2temp. + age + freq. compensation, smoothed (default)

3temp. + age + freq. compensation, no smooth

4no compensation

Any other code entered in handset mode will display:

ABCCDDEEFF where

A= AFC operating mode

0only temperatue compensation

1temp. + age compensation

2temp. + age + freq. compensation, smoothed (default)

3temp. + age + freq. compensation, no smooth

4no compensation

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