User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 55
Issue 1 06/01
2.14.2 Memory card switch troubleshooting:
NOTE1: Memory card switch pressed (lid closed) => ADC reading ’Memory
Card Cover Detection’ is in state ”0” => MMC_Switch – line = 0V
Memory card switch released (lid opened) => ADC reading ’Memory Card Cov-
er Detection’ is in state ”1” => MMC_Switch – line = 2.8V
Open WinTesla
MMC
Close MMC card cover and
Open RAE3 lid after boot
Faulty
circuit
D300 (MAD)
or PWB
YES
YES
MMC Card cover switch
problem
Testing–>
ADC Readings
lid open
according to
WinTesla ?
wait updated values
from WinTesla
*
Lid
closed
according to
WinTesla ?
*
Check J001
(MMC switch)
OK
Check C002 and V001
OK?
Check mech.
functionality
of J001
check contact
surfaces
MMC cover
switch J001
OK
OK?
MMC cover
switch J001
broken
NO
NO
OK
YESNO
Check
R006
OK?
R006
faulty
* note:
Cover opened MMC cover detection =”1”
Cover closed MMC cover detection = ”0”
Figure 41.