Philips MCW770 Service Manual page 27

Wessli Module
This module is not intended to be repaired on component level.
Circuit Diagrams and Assembly Drawings are published for orientation only.
In case of defects please replace
the entire Printed Board respectively the Wireless LAN Card.
Parts can be ordered as follows:
3103 308 67861..........Printed Board Assembly Wessli (all versions)
2822 062 41028..........Wireless LAN Card WMOD WIFIB PCC2 B-120 US B (for /21/37)
2822 062 41031..........Wireless LAN Card WMOD WIFIB PCC2 B-120 EU B (for /22)
8-1
Wessli Module – Firmware Upgrade
The firmware of the Wessli Module can be upgraded via
wireless network. The network is used to transfer the new
firmware from the PC to the on-board Flash-ROM (IC
7103). Firmware and related tools are usually distributed as
zip-archive.
To upgrade the firmware of the Wessli Module proceed as
follows:
1. Insert the MCW770 Setup-CD into the CD-drive of the
PC and walk through the consumer installation.
2. Create a new folder "WiFiUpgrade" on the PC hard disk
and extract the content of the supplied zip-archive to this
location. The folder should contain the following files:
3. Open the Wireless LAN Utility via WiFi icon in the system
tray (right-click the icon and click on "View Available
Network").
4. Apply the following settings in the configuration tab:
8-1
5. Disable encryption in the security tab:
6. Open the "TCP/IP properties" in "Windows Network and
Dial-up Connections" and ensure that "Obtain an IP
address automatically" is selected.
7. Put the MCW770 into Installation mode as follows:
• Hold the PC-LINK button depressed for at least 5s.
• The display shows "INSTALLING".
• Wait for another 15s.
• Hold the BROWSE button depressed for at least 2s.
• Wait for another 15s.
• The display shows "EXPERT INSTALL" and the color of
the WiFi icon in the system tray turns to green.
• Wait for another 90s to ensure that the set has
optained its IP address.