TX6n/5n/4n Reference Manual 11
Controls and Connectors
To ensure adequate cooling air intake, the filter elements must be cleaned when they have become clogged. Follow
the description below to clean each of the filter elements.
1. Make sure that the power to the amplifier is turned off.
2. Disconnect the power cable from the AC outlet.
3. Remove the two screws that fasten the front filter grill, and remove the grill.
4. Remove the filter element, and wash it in plain water. If the filter element is exceptionally dirty, mild deter-
gent may be used.
5. Dry the filter element completely.
•Never replace the filter element while it is still wet.
6. Replace the filter element on the air intake, hook the front filter grill on the amplifier, and secure it using the
screws. (The replacement part number of the filter element is WN311200.)
Cleaning the air filters
CAUTION
Filter elementFront filter grill