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YPT-420 Owner’s Manual
PLEASE KEEP THIS MANUAL
This product utilizes batteries or an external power supply (adapter). DO
NOT connect this product to any power supply or adapter other than one
described in the manual, on the name plate, or specifically recom-
mended by Yamaha.
WARNING:
Do not place this product in a position where anyone could
walk on, trip over, or roll anything over power or connecting cords of any
kind. The use of an extension cord is not recommended! If you must use
an extension cord, the minimum wire size for a 25’ cord (or less ) is 18
AWG. NOTE: The smaller the AWG number, the larger the current han-
dling capacity. For longer extension cords, consult a local electrician.
This product should be used only with the components supplied or; a
cart, rack, or stand that is recommended by Yamaha. If a cart, etc., is
used, please observe all safety markings and instructions that accom-
pany the accessory product.
SPECIFICATIONS SUBJECT TO CHANGE:
The information contained in this manual is believed to be correct at the
time of printing. However, Yamaha reserves the right to change or modify
any of the specifications without notice or obligation to update existing
units.
This product, either alone or in combination with an amplifier and head-
phones or speaker/s, may be capable of producing sound levels that
could cause permanent hearing loss. DO NOT operate for long periods
of time at a high volume level or at a level that is uncomfortable. If you
experience any hearing loss or ringing in the ears, you should consult an
audiologist.
IMPORTANT: The louder the sound, the shorter the time period before
damage occurs.
Some Yamaha products may have benches and / or accessory mount-
ing fixtures that are either supplied with the product or as optional
accessories. Some of these items are designed to be dealer assembled
or installed. Please make sure that benches are stable and any optional
fixtures (where applicable) are well secured BEFORE using.
Benches supplied by Yamaha are designed for seating only. No other
uses are recommended.
NOTICE:
Service charges incurred due to a lack of knowledge relating to how a
function or effect works (when the unit is operating as designed) are not
covered by the manufacturer’s warranty, and are therefore the owners
responsibility. Please study this manual carefully and consult your dealer
before requesting service.
ENVIRONMENTAL ISSUES:
Yamaha strives to produce products that are both user safe and environ-
mentally friendly. We sincerely believe that our products and the produc-
tion methods used to produce them, meet these goals. In keeping with
both the letter and the spirit of the law, we want you to be aware of the
following:
Battery Notice:
This product MAY contain a small non-rechargeable battery which (if
applicable) is soldered in place. The average life span of this type of bat-
tery is approximately five years. When replacement becomes necessary,
contact a qualified service representative to perform the replacement.
This product may also use “household” type batteries. Some of these
may be rechargeable. Make sure that the battery being charged is a
rechargeable type and that the charger is intended for the battery being
charged.
When installing batteries, never mix old batteries with new ones, and
never mix different types of batteries. Batteries MUST be installed cor-
rectly. Mismatches or incorrect installation may result in overheating and
battery case rupture.
Warning:
Do not attempt to disassemble, or incinerate any battery. Keep all batter-
ies away from children. Dispose of used batteries promptly and as regu-
lated by the laws in your area. Note: Check with any retailer of
household type batteries in your area for battery disposal information.
Disposal Notice:
Should this product become damaged beyond repair, or for some reason
its useful life is considered to be at an end, please observe all local,
state, and federal regulations that relate to the disposal of products that
contain lead, batteries, plastics, etc. If your dealer is unable to assist
you, please contact Yamaha directly.
NAME PLATE LOCATION:
The name plate is located on the bottom of the product. The model num-
ber, serial number, power requirements, etc., are located on this plate.
You should record the model number, serial number, and the date of pur-
chase in the spaces provided below and retain this manual as a perma-
nent record of your purchase.
Model
Serial No.
Purchase Date
SPECIAL MESSAGE SECTION
92-BP
(bottom)
