ST-40
Rework stencil
ST-40 is a rework stencil that is used with the RJ-93 rework jig to
service the Front End Module (N7520).
ST-53
Rework stencil
ST-53 is a rework stencil used when servicing the accelerometer
(N2501).
It is used together with the rework jig RJ-166.
ST-55
Rework stencil
ST-55 is a rework stencil used when servicing the Z7540 and Z7541
duplexers. It is used together with the rework jigs RJ-157 and RJ-160.
ST-65
Rework stencil
ST-65 is a rework stencil used when servicing the GSM 850/900 TX filter
(Z7503).
This stencil is used together with the rework jig RJ-201.
SX-4
Smart card
SX-4 is a BB5 security device used to protect critical features in tuning
and testing.
SX-4 is also needed together with FPS-20/FPS-21 when DCT-4 phones
are flashed.
RM-414; RM-570
Service Devices and Service Concepts
Page 2 –14
COMPANY CONFIDENTIAL
Issue 2
Copyright © 2009 Nokia. All rights reserved.
