Motorola service manual Troubleshooting Chart, Troubleshooting E1000

Page 34

Troubleshooting

E1000

Troubleshooting

Troubleshooting Chart

Table 6. PF 0B91 Telephone: Level 1 and 2 Troubleshooting Chart

Symptom

Probable Cause

Verification And Remedy

 

 

 

1. Telephone will not turn on or stay on.

a) Battery either discharged or

Measure battery voltage across a 50 ohm (>1

 

defective.

Watt) load. If the battery voltage is <3.25 Vdc,

 

 

recharge the battery using the appropriate

 

 

battery charger. If the battery will not recharge,

 

 

replace the battery. If battery is not at fault,

 

 

proceed to b.

 

 

 

 

b) Battery terminals open or

Visually inspect the battery terminals on both

 

misaligned.

the battery and the telephone. Realign and, if

 

 

necessary, either replace the battery or refer to

 

 

a Level 3 Service Center for battery connector

 

 

replacement. If battery terminals are not at fault,

 

 

proceed to c.

 

 

 

 

c) Transceiver board defective.

Remove the transceiver board assembly.

 

 

Substitute a known good transceiver board and

 

 

temporarily reassemble the unit. Press the PWR

 

 

button; if unit turns on and stays on, disconnect

 

 

the dc power source and reassemble the phone

 

 

with the new transceiver board. Verify that the

 

 

fault has been cleared.

 

 

 

2. Telephone exhibits poor reception or

a) Antenna defective

Check connection between the antenna and the

erratic operation such as calls frequently

 

transceiver board. If the connection is OK,

dropping or weak or distorted audio.

 

substitute a known good antenna. If the fault is

 

 

still present, proceed to b.

 

 

 

 

b) Transceiver board defective.

Replace the transceiver board (refer to 1c).

 

 

Verify that the fault has been cleared and

 

 

reassemble the unit with the new transceiver

 

 

board.

 

 

 

3. Display is erratic, or provides partial or

a) Mating connections to or from

Check general condition of flex and flex

no display.

transceiver board faulty.

connector. If the flex and connector are good,

 

 

check that the display assembly mounting tabs

 

 

are fully engaged. If connector is not at fault,

 

 

proceed to b.

 

 

 

 

b) Transceiver board defective.

Replace the transceiver board (refer to 1c).

 

 

Verify that the fault has been cleared and

 

 

reassemble the unit with the new transceiver

 

 

board.

 

 

 

4. Incoming call alert transducer audio

Faulty transceiver board.

Replace the transceiver board (refer to 1c).

distorted or volume is too low.

 

Verify that the fault has been cleared and

 

 

reassemble the unit with the new transceiver

 

 

board.

 

 

 

5. Telephone transmit audio is weak.

a) Microphone defective.

Replace the microphone as described in the

(usually indicated by called parties

 

procedures. If fault is not cleared, proceed to b.

complaining of difficulty in hearing voice).

 

 

 

 

 

 

b) Transceiver board defective.

Replace the transceiver board (refer to 1c).

 

 

Verify that the fault has been cleared and

 

 

reassemble the unit with the new transceiver

 

 

board.

 

 

 

6. Receive audio from earpiece speaker is

a) Connections to or from transceiver

Check connection from the earpiece to the

weak or distorted.

board defective.

transceiver board. If connection is not at fault,

 

 

proceed to b.

 

 

 

34

October 4, 2004

6809490A73

Image 34
Contents E1000 2nd DraftPage Troubleshooting ContentsSpecifications Product Overview Part Number ChartsContents E1000 October 4 6809490A73 Product Names IntroductionProduct Identification Product ChangesConventions AudienceScope Introduction E1000Out-of-Box Failure Policy Warranty Service PolicyParts Replacement Product SupportSpecifications E1000 SpecificationsSpecifications GSM System Umts SystemProduct Overview E1000 Video Camera and Location SolutionsProduct Overview E1000 Product Overview General Operation Controls, Indicators, and Input/Output I/O ConnectorsMenu Key Volume Video Call General Operation E1000Color Display Typical DisplayHigh E D C B Empty User Interface Menu Structure Battery FunctionBattery Charge Indicator Menu NavigationBattery Removal OperationTools and Test Equipment Tools and Test EquipmentGeneral Test Equipment and Tools Disassembly E1000 DisassemblyRemoving and Replacing the Battery Door October 4 6809490A73To replace the battery Removing and Replacing the BatteryTo remove the battery DisassemblyTo remove the SIM card Removing and Replacing the SIM CardTo replace the SIM card To remove the front housing Removing and Replacing the Front HousingTo replace the front housing To remove the rear housing Removing and Replacing the Rear HousingTo replace the rear housing To remove the battery shield Removing and Replacing the Battery ShieldTo replace the battery shield To remove the key board Removing and Replacing the Key BoardTo replace the key board To remove the keypad Removing and Replacing the KeypadTo replace the keypad To remove the speaker assembly Removing and Replacing the Speaker AssemblyTo replace the speaker assembly Removing and Replacing the Joystick Assembly To remove the joystick assemblyTo replace the joystick assembly Removing the Joystick AssemblyRemoving and Replacing the Display Assembly To remove the Display AssemblyTo replace the Display Assembly To remove the camera Removing and Replacing the CameraTo replace the camera Identification Umts Subscriber Identity Module Usim Identification LabelMechanical Serial Number MSN Tion Label International Mobile Station Equipment Identity ImeiUmts Subscriber Identity Module Usim Identifica Imei Number BreakdownTroubleshooting E1000 TroubleshootingTroubleshooting Chart PF 0B91 Telephone Level 1 and 2 Troubleshooting ChartProgramming Software Upgrade and Flexing Part Number Charts E1000 Part Number ChartsExploded View Parts List Parts ListExploded View Diagram Symbols 689490A73 October 4 Index-1Index E1000 Index-2 October 4 689490A73Index-3 May 11 689490A73 Page @6809490A73@