Display Problems - Siemens SXG 75 Service Manual

23

Display Problems

Fault Symptoms
Customer:
Display problems
Exchange
display
connector
Connector DISPLAY
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50634-Z97-C380
E-commerce order name:
Soldering temperature:
IRIS Diagnose Code:
Technical Documentation
TD_Repair_L1-L3_SXG75_R1.1.pdf
Display Problems
Watch for oxidation and
damaged pads of the
Display connector
not
okay Check the status of the
Display connector
visually
not
okay
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts.
The value must be ~0Ω
CONNECTOR DISPLAY 20POL
~ 360°C TIP Temp.
21000 Display / Performance
22000 Display / Background Illumination
Company Confidential
GRT:
Current measured failed
not
okay
okay
okay
2005©BenQ
Release 1.1
Back to customer
without repair
caused by customer
SCRAP - has to be send
separately to WSC
- check for twisted or
bent contacts
- check for dry joints
Continue with
higher repair level
Page 59 of 61
11/2005