Yamaha PX 3 5 8 10 serie Class D AMPs service manual

Page 2

PX10/PX8/PX5/PX3

INIPORTAN T NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic ser-
vice procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have
therefore not been restated.

WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, de-
struction of expensive components and failure of the product to perform as specrfied. For these reasons, we advtse all

Yamaha product owners that all service required should be performed by an authorized Yamaha Fletailer or the appointed
service representative.

IMPORTANT : T_h_is presentationor sale of this manual to any individual or firm _does not constitute authorization certification, recog-
nition of any applicable technical capabilities, or establish a pnncrpal-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in
specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the
distributors Service Division.

WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by
grounding yourself to the ground bus in the unit (heavy gauge b ack wires connect to this bus.)

IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck in work before you apply power to the unit.

WARNING: This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm.
DO NOT PLACE SOLDEFI, ELECTRICAL/ELECTRONIC OFI PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/ flux
vapod

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.

IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord

WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT. The wires in this mains lead are coloured in accordance with
the following code:

GREEN-AND-YELLOW: EARTH

BLUE : NEUTRAL

BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the
terminals in your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E
or by the safety earth symbol ® or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

(3 wires)
I WARNING
Components having special characteristics are marked A and must be replaced with parts having specification equal to those
originally installed.

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AWARNING

Please keep the USB cap out of reach of children, to keep them from accidentally swallowing it.
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This [I mark indicates a dangerous electrically live terminal. When connecting an external wire to
this terminal, it is necessary either to have a person who have received appropriate guidance on

. ®
@ m© O handling" make the connection orto use leads or a cord that have been manufactured in such a
' _ a ' way that the connection can be made simply and without problem.
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