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The Mark VI has been carefully engineered to provide
many years of musical enjoyment without difficulty. Each
factory-assembled Mark VI has been subjected to a full
complement of performance tests prior to shipment. Never-
theless, through damage in transit, faulty kit assembly, or
human error, service may sometimes be required.
To provide rapid and reliable service, Dynaco has autho-
rized competent, well-equipped service facilities in several
localities in the United States and Canada, in addition to
its service facility at the factory. These stations are autho-
rized to make repairs in and out of warranty under the terms
listed below. Service is always available at the factory, but
you will often find a more convenient facility locally. A cur-
rent list of these facilities is enclosed. Write to Dynaco for
the name of the service station nearest you.
It is the owner's responsibility to take or send the unit
freight prepaid to the service facility. A dated bill of sale must
be submitted. In the event that you incorrectly diagnose
which unit is faulty, please understand that you will be
responsible for a check-out charge on any properly perform-
ing kit or factory-assembled unit submitted for testing.
Shipment should be made via motor freight, REA Express
(CN or CP Express in Canada), or Bus Package Express.
DO NOT USE PARCEL POST FOR IT IS NOT A SAFE METHOD OF
SHIPPING ELECTRONIC EQUIPMENT
to unauthorized parcel post shipment of the complete ampli-
fier, repairs will be made at the owner's expense, as neither
the factory nor the service stations has the facilities to
process parcel post claims. Be sure the shipment is fully
insured (note Bus Express limitations).
When shipping the amplifier, use the original carton with
all the styrofoam inserts. Include with the returned unit the
following information:
1. Your name and complete shipping address (Post Office
box numbers are not suitable);
2. The serial number (from the cover of this manual),
together with a copy of your dated bill of sale;
3. The symptoms, complete, but preferably brief. If the
problem is intermittent, this must be noted.
Once service work has been performed, an additional 90
day warranty on the service work is provided.
Warranties apply to the original purchaser only; they are
not transferable. They do not apply to units which have been
physically or electrically abused, or to units which have
been modified without prior written factory authorization.
The use of non-Dynaco replacement parts may in some in-
stances void the warranty. If you suspect a defect in a
transformer, the leads must be unsoldered, not cut for its
return. The warranty on the transformers is void if the leads
have been cut too short for re-use.
Dynaco maintains a Technical Services Department to
help you locate the source of, and possibly correct a problem
yourself. When writing, mention the serial number of the
Mark VI and any tests you have performed.
22
SERVICE POLICY AND LIMITED WARRANTY
. Should damage occur due
WARRANTY FOR KIT-BUILT UNITS
The components in a Mark VI kit are warranted for a
full year from the purchase date. If a defective component is
found in a completed circuit board module, or kit, simply
return that individual part to the factory prepaid, and it will
be replaced at no charge. Local service stations are not obli-
gated to supply separate parts.
If you cannot locate the source of the difficulty, ship the
entire Mark VI to the nearest authorized service station or
to the factory for service. A dated bill of sale must be sub-
mitted. In-warranty parts will be replaced at no charge,
although a service fee will be charged for the labor to diag-
nose, correct, and test the unit to ensure that it meets factory
specifications. Shipping charges to and from the service
facility are the owner's responsibility. Units will be returned
on a COD basis via motor freight wherever possible.
The return of the PC-44 circuit board for service to the
factory or to an authorized service station is not adequate
to assure proper operation, and a single circuit board sub-
mitted for repair will be returned unserviced.
This warranty is void if the kit has not been completely
assembled, or if other than rosin core solder has been used.
Units assembled with acid core solder or paste flux will be
returned unserviced.
WARRANTY FOR FACTORY ASSEMBLED UNITS
The Mark VI is warranted for a full year from the pur-
chase date, including parts and labor, and shipment costs
from the service facility to the owner (within the U.S. or
Canada). The owner is responsible for shipment to the
service facility, and must submit a copy of the dated bill
of sale.
SERVICE BEYOND THE WARRANTY PERIOD
Dynaco establishes maximum labor fees which may be
charged by its service facilities (plus the cost of parts, and
shipping charges) without prior approval by the owner.
A current list of authorized service stations, and the cur-
rent established fee for any unit will be supplied by Dynaco
on request. Dynaco cannot assume responsibility for ser-
vice at other than Dynaco authorized service stations.
Dynaco reserves the right to limit the service facility or
the established fees to two years from the date of purchase.
Dynaco assumes no liability or responsibility for injury or
damages sustained in the assembly or operation of this
equipment, or for damages to other equipment connected to
it. Dynaco reserves the right to make design changes with-
out the obligation to revise prior versions. Prices and speci-
fications subject to change without notice.
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