Yamaha msp3 powered monitor service manual

Page 1

MONITOR SPEAKER

MSP3

SERVICE MANU

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l CONTENTS (E 1X)

SPECIFICATIONS (Itaéfifi) ................................................... 3
PANEL LAYOUT (Hill/V4 7N] I~> ......................
BLOCK DIAGRAM (in v 7 ax 7/75 A) ........

CIRCUIT BOARD LAYOUT (1: v L w 7 r7 l~)
WIRING (Tail) .................................................
DISASSEMBLY PROCEDURE (fifififllfi)
IC BLOCK DIAGRAM (I071: -y 7!)

CIRCUIT BOARDS (>- NEW.) ........... . 11
INSPECTION (IRE) ............................................................... 13
OVERALL CIRCUIT DIAGRAM (RBEJESI)

PARTS LIST

PA 011605

2001091548000

.YAMAHA

HAMAMATSU JAPAN
1.386K-344 m an Primed In Japan 2001.10

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MSP3

IMPORTANT NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel II has been assumed
that basic service procedures inherent to the industry. and more specrfically Vamaha Products, are already known and under
stood by the users, and have therefore not been restated

WARNING: Failure to lollow appropriate service and salety procedures when servrcing this product may result in per-
sonal injury, destruction of expensive components and failure oi the product to perform as specriied. 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 oi this manual to any indiVidual or tirm does not constitute authorization certifi-
cation, recognition of any applicable technical capabilities, or establish a principalragent relationship oi
any term

The data provided is belived 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, theretore, inevitable
and changes in specitication are subject to change without notice or obligation to retrofit. Should any discrepancy appear to
exist. please contact the distributors Service Divrsion

WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourselt 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 Lil work before you apply power
to the unit.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production at 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 detects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC 0R PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!

Avoid prolonged, unprotected contact between solder and your skini When soldering, do not inhale solder lumes or expose
eyes to solder/flux vapor!

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

IMPORTANT NOTICE FOR THE UNITED KINGDOM

Connecting the Plug and Cord

IMPORTANT. The wires in this main lead are coloured in
accordance with the following code:
BLUE: NEUTRAL
BROWN: LIVE

I
i
As the colours of the Wires in the main lead of this apparatus may not
corres and with the coloured markings identifying the terminals in

your p ug, proceed as follows:
i
I
i

The BLUE wire must be connected to the terminal that is marked with
the letter N (or coloured BLACK).

The BROWN wire must be connected to the terminal that is marked
With the letter L (or coloured RED).

Be certain that neither core is connected to the earth terminal of the
three pin plug.

I WARNING

Components having special characteristics are marked [5 and must be replaced with parts having specification equal to those
originally installed.

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