Lexicon MPX 1 V1.10 - UPGRADE User manual

THESE SERVICE INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. DO NOT
PERFORMANYSERVICINGOTHERTHANTHATCONTAINEDINTHESEINSTRUCTIONSUNLESSYOU
ARE QUALIFIED TO DO SO. REFER TO SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE.
WARNING
MPX 1 Version 1.10
Software Upgrade Instructions

SAFETY SUMMARY
The following general safety precautionsmust be observed duringall phases of operation,service and repair of this
instrument. Failure to comply with these precautions, or with specific warnings elsewhere in these instructions
violates safety standards of design manufacture and intended use of the instrument. Lexicon assumes no liability
for the customer's failure to comply with these requirements.
SAFETY SYMBOLS
General definitions of safety symbols used on equipment or in
manuals.
Instructionmanualsymbol:theproductwillbe
marked with this symbol when it is necessary
fortheusertorefertotheinstructionmanualin
order to protect against damage to the instru-
ment.
Indicates dangerous voltage. (Terminals fed
from the interior by voltage exceeding 1000
volts must be so marked.)
The WARNINGsigndenotesahazard.Itcalls
attentiontoaprocedure,practice,conditionor
the like which, if not correctly performed or
adhered to, could result in injury or death to
personnel.
The CAUTION sign denotes a hazard. It calls
attention to an operating procedure, practice,
condition or the like which, if not correctly
performed or adhered to, could result in dam-
age to or destruction of part or all of the
product.
The NOTE sign denotes important informa-
tion. It calls attention to procedure, practice,
condition or the like which is essential to
highlight.
GROUND THE INSTRUMENT
To minimize shock hazard the instrument chassis and cabinet must
be connected to an electrical ground. The instrument is equipped
withathree-conductorACpowercable.Thepowercablemusteither
be plugged into an approved three-contact electrical outlet or used
with a three-contact to two-contact adapter with the grounding wire
(green) firmly connected to an electrical ground (safety ground) at
thepoweroutlet.The powerjackandmatingplugofthepowercable
meet International Electrotechnical Commission (IEC) safety stan-
dards.
DO NOT OPERATE IN AN EXPLOSIVE
ATMOSPHERE
Do not operate the instrument in the presence of flammable gases
or fumes. Operation of any electrical instrument in such an environ-
ment constitutes a definite safety hazard.
KEEP AWAY FROM LIVE CIRCUITS
Operating personnel must not remove instrument covers. Compo-
nent replacement and internal adjustments must be made by quali-
fiedmaintenancepersonnel.Donotreplacecomponentswithpower
cableconnected.Undercertainconditions,dangerousvoltagesmay
exist even with the power cable removed. To avoid injuries, always
disconnect power and discharge circuits before touching them.
DO NOT SERVICE OR ADJUST ALONE
Donotattemptinternalserviceoradjustmentunlessanotherperson,
capable of rendering first aid and resuscitation, is present.
DO NOT SUBSTITUTE PARTS OR MODIFY
INSTRUMENT
Because of the danger of introducing additional hazards, do not
install substitute parts or perform any unauthorized modification to
the instrument.
DANGEROUS PROCEDURE WARNINGS
Warnings, such as the example below, precede potentially danger-
ousproceduresthroughoutthismanual.Instructionscontainedinthe
warnings must be followed.
Dangerous voltages, capable of causing death, are present in
this instrument. Use extreme caution when handling, testing
and adjusting.
WARNING
WARNING
CAUTION
NOTE:
Electrostatic Discharge (ESD) Precautions
The following practices minimize possible damage to ICs
resulting from electrostatic discharge or improper inser-
tion.
• Keep parts in original containers until ready for use.
• Avoid having plastic, vinyl or styrofoam in the work
area.
•. Wear an anti-static wrist-strap.
• Discharge personal static before handling devices.
• Remove and insert boards with care.
• When removing boards, handle only by non-conduc-
tive surfaces and never touch open-edge connectors
except at a static-free workstation.*
• Minimize handling of ICs.
•. Handle each IC by its body.
• Do not slide ICs or boards over any surface.
• Insert ICs with the proper orientation, and watch for
bent pins on ICs.
• Use anti-static containers for handling and transport.
*To make a plastic-laminated workbench anti-static, wash with
a solution of liquid detergent, and allow to dry without rinsing.
CAUTION
© Lexicon, Inc. 1997
3 Oak Park
Bedford MA 01730-1441
781-280-0300
Fax: [phone]

Update Installation Instructions
MPX 1 Version 1.10 Software Upgrade
The update kit includes:
1 MPX 1 ROM (U23)
1 IC Extractor Tool
1 UpgradeInstallationInstructions(thisdocument)
1 MPX 1 1.1 Preset Menu
Youwillalsoneeda#2Phillipsheadscrewdriverandananti-
static wriststrap.
Installing the new software is an easy process, but to avoid
problems, please follow these instructions carefully. Pay
particular attention to the precautions listed in the safety
summary andthosewhich appearthroughout these instruc-
tions. Any damage caused during installation is not covered
under warranty.
Ifyou'dliketokeepanyoftheV1.00programsthathavebeen
removed, store them into user registers (201-250) before
installingthenewsoftware.Theyarefullycompatiblewiththe
1.10 upgrade.
WARNING
TURN OFF AND DISCONNECT ALL POWER
TO THE MPX 1 PRIOR TO INSTALLING
UPGRADE SOFTWARE.
Open the MPX 1
Remove theeight(8) screws which attachthehousing tothe
unit: three (3) on each side and two (2) at the rear.
Carefully flex the housing to separate it from the unit and lift
it off. If you haven't already done so, put on your anti-static
wriststrap before proceeding to the next step.
Install the IC
Referringtotheillustrationtotheright,locatetheROM(U23).
Using the IC extractor tool, remove the ROM at U23 and
insert the new ROM in its place.
Be careful toalign the IC correctly, and toavoid bending any
pins.WhentheROMisinserted, carefullyinspect eachpinto
be sure that it has not been bent.
Replace Cover
Repositionthecoverandreplacetheeightscrews.Becareful
not to overtighten the screws.
Reconnect Power
Reconnect the power and audio connections and turn the
power on. The MPX 1 will automatically reinitialize to the
factorydefaultsettings,sorttheprograms,andloadProgram
1.
Notch
Pin 1
CAUTION
ICs inserted backwards will be destroyed.
Incorrect insertion of ICs is also likely to
cause damage to the board.
CAUTION

Lexicon Part No. 070-12466 Rev 1 Printed in U.S.A.
3 Oak Park
Bedford MA 01730-1441
781-280-0300
Fax: [phone]