Panasonic SA-HT640WPL Service Manual page 26

SA-HT640WPL
Block diagram:
IC Package Information
Soldering Information
Wave Soldering/Dipping: The maximum permissible temperature of the solder is 260 ｰC; solder at this temperature must not be in
contact with the joints for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds.
Manual Soldering: If the temperature of the soldering iron bit is less than 300 ｰC it may remain in contact for up to 10 seconds. If
the bit temperature is between 300 and 400 ｰC, contact may be up to 5 seconds.
26