Motorola A760 Service Manual SPEC
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Beijing Competency Centre
Beijing MCIC
No.39A Zi Zhu Yuan Road
Beijing
P.R.China
Website: gs.mot.com/cc
FIELD SERVICE BULLETIN
FSB Number: BJCCFSB2003- 108
Author: Xu Changhong
Date: 29 October 2003
Total No. Of Pages: 2
Subject: GSM EZX (A760) LCD Bright Dot Inspection Standard
Model Affected: EZX (A760) GSM/DCS
Level of Repair:
Problem
Currently , more and more EZX phones were returned with complaint of “ bright dot” , after tested in BJ
R&D , find it’s within spec, belong to NTF. In order to control such returns again later in the field , we
worked out a inspection standard with BJ R&D and TJ factory regarding bright dot issue. This bulletin is
to provide a LCD dot inspection standard complied with Motorola specification of EZX LCD module.
(Motorola Memo 133672)
1. Electrical Defect
All LCD modules will be 100% checked for visual defects caused by electrical failures ( “ dots stuck
on or off “ ). The number of such defects allowed on any given display will be as follows
Visual Defects Allowed
Bright Dots or Dark Dots Shall be 1 or less
2. Cosmetic Defect
The cosmetic requirement of the entire display module viewing area with transparent touch panel
and front light needs to meet:
Dark or Bright Lines 0
MOTOROLA CONFIDENTIAL PROPRIETARY Page 1
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Beijing Competency Centre
Beijing MCIC
No.39A Zi Zhu Yuan Road
Beijing
P.R.China
Website: gs.mot.com/cc
Circular
Average Diameter
D (mm)
0.25 < D
0.2 < D <=0.25
0.12 < D <= 0.2
D <= 0.12
Minimum Distance Maximum Quantity
(mm)
0
2
10
3
Ignore
Linear
Width Length
W (min) L (min)
0.05 < W 0
2.0 < L 2
1.5 < L <=2.0 4
0.03 < W <=0.05
L <=1.5 5
10
For cosmetic defect checking , inspector can adjudge by eye observation based on experience. If
still unsure according to experience, please compared to the sample with cosmetic defect , then
draw a conclusion.
Field Service Action
Customer Returns:
If a EZX phone is returned to Service Centre for repair with the Customer Complaint of “LCD bright dot ”
, please follow the above standard to check if phone’s within spec.
Service
N/A
Call
N/A
Inventory
Center Action:
Service Entry Code
EPPRS Code
Complaint Code:
Root Cause Code:
PRC E-Service Code
Complaint Code:
Root Cause Code:
MOTOROLA CONFIDENTIAL PROPRIETARY Page 2
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