RH-41
System Module
CCS Technical Documentation
Page 22
Nokia Corporation Confidential
Issue 2 09/2003
Test Interfaces
Production Test Pattern
The interface for RH-41 production testing is a 5-pin pad layout in the BB area (see the
following figure). The production tester connects to these pads by using spring connec-
tors. The interface includes the MBUS, FBUSRX, FBUSTX, VPP, and GND signals. The pad
size is 1.7 mm. The same pads are used also for AS test equipment, such as the module
jig and the service cable.
Figure 9: Top View of Production Test Pattern
Other Test Points
As BB asics and flash memory are CSP components, the visibility of BB signals is very
poor. This makes the measuring of most of the BB signals impossible. In order to debug
the BB, at least to some level, the most important signals can be accessed from the
0.6 mm test points. The figure below shows the test points located between the UEM and
the UPP. There is an opening in the baseband shield to provide access to these pads.
Figure 10: Test points located between UEM and UPP
3.
FBUS_RX
8.
GND
6.
VPP
7.
MBUS
2.
FBUS_TX
J 4 1 4
J 4 0 3
J 4 1 3
J 4 0 2
J 4 0 4
J 4 0 5
J 4 0 7
J 4 1 5
J 4 0 8
J 4 1 2
J 4 0 6
J 4 0 9
J 4 1 1
J 4 1 0
U E M (D 2 0 0 )
U P P ( D 4 0 0 )
P U R X
S L E E P X
S L E E P C L K
U E M I N T
C B U S C L K
C B U S D A
C B U S E N X
M B U S T X
M B U S R X
F B U S T X
F B U S R X
D B U S C L K
D B U S D A
D B U S E N 1 X
