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POWER AMPLIFIER
SERVICE MANUAL
P5000S
P7000S
A manufacture number should use this The service manual of PA 011698 should be used for
manual with goods of 9 or more figures. the goods whose manufacture number is 7 figures.
The example of a manufacture number The example of a manufacture number
UCCKX01001 KL01001
9-11 figures 7 figures
CONTENTS
SPECIFICATIONS 3/4
DIMENSIONS ..................................................................... 5
PERFORMANCE GRAPHS ................................................ 5
PANEL LAYOUT 6
CIRCUIT BOARD LAYOUT&WIRING
..................................... 8
DISASSEMBLY PROCEDURE ..................................... 14
IC BLOCK DIAGRAM 21
CIRCUIT BOARDS ................................................ 22
INSPECTION 35/43
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
PA 011756
P5000S: 200410-162750
P7000S: 200410-194250 HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K765 04.11
P5000S/P7000S
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry , and more specifically Yamaha Products, are already known and under-
stood 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 per-
sonal injury, destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certi-
fication, recognition of any applicable technical capabilities, or establish a principal-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 distributor's 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 black wires connect to
this bus).
IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power
to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and / or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR 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 vapor!
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-YELLO W : 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 termi-nal
which is marked with the letter L or coloured RED.