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9 MMC Connector Problems
Fault Symptoms
Customer:
MMC malfunction
not
okay
Exchange
MMC connector
Connector MMC
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding
components! Resolder new component afterwards.
E-commerce order number: L50634-Z97-C415
E-commerce order name:
Soldering temperature:
IRIS Diagnose Code:
Attention: Avoid excessive heat in order not to damage the plastic material of the
connector (see problem SLIM-Lumberg connector)
Technical Documentation
TD_Repair_L2.5L_S75_R1.0.pdf
MMC connector Problems
Watch for oxidation and
damaged pads of the
MMC connector
okay
Check the status of the
MMC 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 RS MMC X75; CONNECTOR RS MMC X75
~ 360°C TIP Temp.
4E000 Interfaces/ Memory Card Rerader
Company Confidential
2005©BenQ
GRT:
Tbd.
Back to customer
without repair
not
okay
caused by customer
SCRAP
- has to be send
separately to WSC
- check for twisted or
bent contacts
- check for dry joints
okay
Continue with
higher repair level
Release 1.0
10/2005
Page 11 of 15
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