To B Connector (Upper Slider Part) Problems - Siemens S75 Service Repair Documentation

7 B to B connector (upper slider part) Problems
Fault Symptoms
Customer:
Upper slider keyboard malfunction
Upper slider keypad illumination does not work
Exchange
B to B
connector
C
onnector Board to Board
Use hot air blower to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50634-Z97-C340
E-commerce order name:
Soldering temperature:
IRIS Diagnose Code:
Technical Documentation
TD_Repair_L2.5L_S75_R1.0.pdf
B to B connector problems
Watch for oxidation and
damaged pads of the
B to B connector
not
Check the status of the
okay
B to B connector visually
not
okay
Continue with
higher repair level
BOARD TO BOARD 30-POL
~ 360°C TIP Temp.
32100 Keys / Main / No Function
32200 Keys / Main / Reduced Functionality
36000 Keys / Illumination
Company Confidential
GRT:
Keyboard malfunction
Current measured failed
not
okay
okay
okay
2005©BenQ
Release 1.0
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
Page 9 of 15
10/2005