Nokia n81 Service Manual page 31

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RM-179; RM-223
Service Tools and Service Concepts
Issue 1
PK-1
PK-1 is a hardware protection key with a USB interface. It has the same
functionality as the PKD-1 series dongle.
PK-1 is meant for use with a PC that does not have a series interface.
To use this USB dongle for security service functions please register
the dongle in the same way as the PKD-1 series dongle.
PKD-1
SW security device is a piece of hardware enabling the use of the
service software when connected to the parallel (LPT) port of the PC.
Without the device, it is not possible to use the service software.
Printer or any such device can be connected to the PC through the
device if needed.
RJ-104
RJ-104 is a rework jig used when servicing the BTHFM (D6000) module.
It is used together with rework stencil ST-37.
RJ-157
RJ-157 is a jig used for soldering and as a rework jig for the engine
module. It is used together with the ST-55 stencil.
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Software protection
key
SW security device
Rework jig
Rework jig
Page 2 –11

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