Repair Logigrams ( To Be Completed ); Pigeon Blanc, 35 370 St Germain Du Pinel France; Trouble Shooting Help Guide - Mitsubishi Electric TRIUM 110 Service Manual

7 Repair Logigrams ( to be completed )

The repair logigrams are achieved after few mobile returns to the Mitsubishi' s after sales service.
Then these logigrams are delivered in FI instructions form to the repair centers via E-mail.

8 Trouble Shooting help guide

Defects observed
CHARGING PROBLEM
Charge consumption:
Start around at 125mA, displays "Charging", fall over between 520 to 580mA with back light, then fall around 450 to 500mA.
Same consumption
Check Battery
No charging
Incorrect Voltage
Incorrect Voltage
Mitsubishi Testmode
AUDIO PROBLEM
Tone test no good
Noisy reception
Noisy reception
Noisy reception
Key sound
DISPLAY PROBLEM
Frozen LCD
Incomplete display
Backlight
White screen
Inconsistent display
Freezing display
No display
Wrong characters
Error message
Version A
Date: 05/02
12/22
Measure/Investigation
Mobile consumption stay at 120mA
Mobile displays "Check battery"
Visual check: connector J103 broken
Mobile display "incorrect Voltage"
Mobile display "incorrect Voltage" and J103 & J101 already
Mobile displays "Mitsubishi testmode"
Check the multiactor connection
During a test call on network, audio reception defect
In a test call network; micro, receiver and speaker already
Good in a test call network but noisy in a real call
Key sound no good
A wave can be seen during the display
Informations missing during the display
Check the LEDs
Nothing displayed in normal mode and in testmode
Character problems during the display
The display stop during the On/Off process
Mobile turn off when a key is pressed
Wrong characters on LCD
Enter lock code
+:
Z.A. Pigeon Blanc, 35 370 St Germain du Pinel France
( :
FAX:
changed
changed
Mitsubishi Electric Telecom Europe S.A.
After Sales Services
+33 (0)2 23 55 16 30
+33 (0)2 99 75 71 62
Service Manual
Trium 110
Component no good
correctives action
Check J101, soft upgrade,
change TR112
Change J103, Check J101
J103
Check J103 & J101
Check R126, TR103
TR112 & D117
Change IC300
multiactor
Micro, multiactor
IC300
IC300
Soft upgrade
IC300
Change LCD or LCD
connector
Change the defected LEDs
Check J201 soldering
Change J201 if broken or
twisted
change LCD
Change J201
Soft updating
Soft upgrade, change
IC300
Soft upgrade
Setting upgrade