English

Controls and Functions
Owner’s Manual

6

Thank you for your purchase of the Yamaha Power Supply PW8. The PW8 has been specifically designed for
use with Yamaha professional audio equipment.
Please read through this manual carefully before beginning use, so that you will be able to take full advantage
of the features it provides and enjoy trouble-free operation for years to come.

Controls and Functions

1

POWER Switch

The PW8 supplies power to the connected mixer
when this switch is on.

PW8 Power-on Procedure

1

Make sure that the PW8 power switch is OFF.

2

Connect the PW8 to the mixer to be powered
using the cable supplied with the mixer.

3

Plug the PW8 power cord into an appropriate AC
outlet.

4

Turn the POWER switch ON.
NOTE

· The power to the PW8 will not be turned on unless the
PW8 is connected to the mixer using the power supply
cable included in the mixer.

2

Operation Monitor (+48V, +12V, +15V, -15V)

Displays the status of the four independent power
supply lines to the mixer. Normally (i.e., when no mal-
function has occurred), the green LEDs light. If a
malfunction occurs, the corresponding LED turns off.
If this happens, turn the POWER switch OFF, and
contact your Yamaha dealer or maintenance person-
nel.
Accessories
•Power cord
Owner's manual (this book)

Front panel

1 2

Be sure to turn the POWER switch OFF
before connecting the PW8 to the mixer to
be powered. Connecting the power supply to
the mixer to be powered while the POWER
switch is ON can damage the mixer.

Never obstruct the cooling vents located on
the front and rear panels of the PW8.