Release 1.1
Technical Documentation
01/2006
TD_Repair_L1-L3_AX72_R1.1.pdf Page 41 of 41
19 Display Problems
Fault Symptoms
Customer: GRT:
Display problems, like missing lines or columns on the LCD
or display contrast problems or illumination problems
Display problems
Display connector
Problems
Watch for oxidation and
damaged pads of the
Connector
caused by customer
SCRAP - has to be send
separately to WSC
okay
Check the status of the
Connector visually
Use the resistor test
function of a
multimeter to check
connection between
spring contacts and
soldering contacts.
The value must be
~0Ω
Exchange
Display
Connector
Continue with
higher repair level
okay
not
oka
- check for twisted or
bent contacts
- check for dry joints
Back to customer
without repair
Connector DISPLAY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number: L36334-Z97-C205
E-commerce order name: CONNECTOR DISPLAY 10POL
Soldering temperature: ~ 360°C Tip Temp.
IRIS Diagnose Code: 21000 Display / Performance
22000 Display / Background Illumination
Company Confidential
2006©BenQ
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