Nokia 9110 Service Manual

Page of 32
PAMS
Technical Documentation
RAE–2 
BS1
Page 5 – 28
Section 02/99
Test pads
Test pads are located under the battery pack. They include  JTAG port
which is used for After Sales Flashing purposes.  The different voltages
can be measured from these testpads.  Serial data transfer test pads are
used  for data transfer between the BS1 and BS8 modules.
Figure 5.
 Test pad layout