Siemens S75 - Display Problems

Release 1.0
Technical Documentation
10/2005
TD_Repair_L2.5L_S75_R1.0.pdf Page 14 of 15
11 Display Problems
Fault Symptoms
Customer: GRT:
Display problems Current measured failed
Display Problems
Watch for oxidation and
damaged pads of the
Display connector
caused by customer
SCRAP - has to be send
separately to WSC
not
oka
y
okay
Check the status of the
Display connector
visuall
y
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts.
The value must be ~0
Exchange
display
connector
Continue with
higher repair level
okay
not
oka
y
not
oka
y
- 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: L50634-Z97-C380
E-commerce order name: CONNECTOR DISPLAY 20POL
Soldering temperature: ~ 360°C TIP Temp.
IRIS Diagnose Code: 21000 Display / Performance
22000 Display / Background Illumination
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