Firmware Update For Pp440 -Controller Board Only - Husqvarna WS442HF Workshop Manual

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JTAG Connection
Power Supply Connection
FIRMWARE UPGRADE
Firmware update for PP440
-Controller board only
First see: Opening the PP 490 (p.
124)
WARNING!
Switch off and unplug the
power pack. Wait at least
5 min before starting the
maintenance and services.
1� Disconnect the controller boards
power supply cable�
2� Connect Multiprogrammer�
Cable 1 to "power supply connec-
tion" and cable 4 to "JTAG con-
nection" on the controller board,
both at the same time�
NOTE! The polarization bump
on the connector for cable 4
must be oriented towards the
connector for cable 1�
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