GAI-Tronics 12703-001 User Manual

Pub. 42003-180A

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

EZ Page Speak er Voice Coil

Replacement Kit

Model 12703-001

Confidentiality Notice

This manual is pr ovided s olely as a n op erat ional, installation, and maintenance guide and contains sens itive
bus ines s and t echnic al infor ma tion tha t is confident i al and p roprietary to G AI-Tronics. GAI-Tronics
retains a ll intellectual pr operty and other rights in or to t he inf ormation c ontained herein, and s uch
informa tion may only be used in connection wit h the operation of you r GAI- Tronic s pr oduct or system.
This ma nual may not be disclosed in any form, in whole or in p art, dir ec tly or indirectly, to any t hird pa rty.

General Information

The Model 12703-001 EZ Page Speaker Voice Coil Replacement Kit is used with the following EZ Page
Interc om models: GC-AC1, GC-DC1 , and G C-AC2. Ea c h kit consis ts of t he s peaker voic e coil element
(4-ohm) only– no other parts a re required.

Recommended Tools

• #1 P hillip s scr ewdr iver

• #2 P hillip s scr ewdr iver

• Flat blade screwdriver (1/4 × 4 min.)

• Long needle nose pliers

• Flat blade screw starter

Removal of Old Voice Coil Element

WARNING

N

OTE: For ea se of voice coil disassembly a nd re-assembly, remove the unit from its mounting and place it

on a flat surface.

1. Disconnec t power f rom the unit.

2. Using the # 2 screwdriver , remove the s ix fr ont pa nel s c rews t hat secur e the front cover t o the housing.

3. Slowly pull the fr ont cover assembly from the rear hou sing and s et aside to the left. B e careful not to

disconnect the attached wires.

4. Loca te and disc onnec t the P2 connector (2-conduct or speaker connection) from the pr inted circ uit

board assembly (PCBA).

Disconnect power from the unit before opening or servicing the unit.

GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA

610-777-1374  800-492-1212  Fax : [phone]

ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS

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5. Using the #1 Phillips screwdriver, remove the center screw secur i ng the nameplate on the speaker cone

tip and set the screw and na meplate a side.

6. Using the #2 Phillips screwdriver, remove the three sc rews holding the s ou nd def lector t o the spea ker

driver housing a ssembly.

7. Using the fl at b lade screwdriver, remove the three s c rews located a long the rea r of t he s peaker driver

housing assembly. Slowly p ull the driver as sembly and the att ached wires out of t he enclosure f ar
enough to allow suf f ic i ent room to wor k. Slide t he 3 - conduct or ca ble through the enclosure casting
hole as neces sary.

8. Note the location of wire color c onnec tion to the t wo voic e coil terminals: bla c k to termina l 1 and

yellow to terminal 2. The terminal numbers a re identifi ed i n the s peak er driver housing assembly
adja c ent to the connect ion.

9. Pla c e t he driver a ssembly on its nose.

CAUTION

Complete the remaining steps, being careful not to damage the driver gasket assembly.

10. Using the long needle nose pliers, gently remove each wir e connection by pulling straight upwa rd and

set the wire aside.

11. Using the #2 Phillips sc rewdriver , remove the two sc rews securing t he s upporting strap across the

permanent magnet. Set the supporting strap and screws aside.

12. Gent ly grasp the permanent magnet ass embly and pull str aight upward.

13. Using the long needle nose pliers, gently grasp each ter minal and lift upward s lightly to sep arate the

defective coil a ssembly fr om t he s p eaker driver hous i ng assembly.

14. Gent ly separat e t he gasket from the voice coil for reuse.

Installment of Replacement Voice Coil

WARNING

Extreme car e must be used while performing the following steps to avoid damaging the
replacement voice coil.

1. Reinser t the previously removed voice coil gasket int o the spea ker driver housing a ssembly.

2. Inser t the new repl acement voice coil into the speaker driver housing ass embly.

NOTE: Place t h e l ar g er (k ey ed ) tab of the v oice coi l as sembly to pi n 1 a s identifi ed o n the s peak er
driver housing a ssembly.

3. Ensure tha t the voice coil is f i rmly seat ed int o the cavit y by pressing around t he ou ter edges of the

voice coil assembly.

4. Position the permanent magnet ’ s larger side indent ations in line wit h the two screw holes in the s peaker

driver hou sing assembly and the smaller side indentations with the termina l c onnections.
Using extreme care, center the magnet over the voice coil and gently place it into the cavity.

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5. Repos ition the permanent magnet ’ s indentations, if necessary.

6. Firmly press on the permanent magnet to ensure that it is fully seated into the cavity.

7. Reinstall the supporting strap across the rear of the permanent magnet and tighten securely.

8. Using the long needle nose plier s, reconnect t he s peaker wire connections to the new voice coil a s

follows: black to t erminal 1, yellow to ter mina l 2. (Terminals are identified on the sp eaker dr iver
housing assembly.) Ens ure connect ions are fully seated.

9. As necess ary, reposition t he driver assembly’s large round gasket, ensuring proper alignment with t he

screw holes in the rear of the upper enclosure section.

10. Gent ly reposition the speaker driver housing a ssembly into the rear enclosure housing. As sist the

spea ker wires back into the electronics cavity, ensuring tha t the section of protecti ve t ubing covering
the speaker wires is positioned between the upper and lower cavities correctly.

11. Realign the sp eaker driver a ssembly’s three mounting holes with the enclosu re’s rear mounting holes

and reinsert the three screws using a flat blade starter screwdriver.

12. Using the fla t blade screwdriver , tighten the sc rews.

13. Using the #2 Phillips sc rewdriver, reins tall t he s ound deflector to the sp eaker dr iver housing assembly

using t he three screws previous ly removed.

14. Using the #1 Phillips sc rewdriver, reins tall t he nameplate onto the speaker cone tip using the scr ew

previou sly removed.

15. Rec onnect the P2 connector (2- c onductor speaker connection) to the PCB A’ s J2.

16. S lowly reinstall the front cover as sembly into the rear housing, ens uring that no wires are pinc hed or

stressed.

17. Using the #2 Phillips sc rewdriver, reins tall t he front cover to the hou sing using the six front p anel

screws previously removed.

18. Reins tall u nit and check f or pr oper operat ion.

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Warranty

Equipment. GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any

GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall
comply with the then-current product specifications and product literature, and if applicable, shall be fit
for the purpose specified in the agreed-upon quotation or proposal document. If (a) Seller’s goods prove
to be defective in workmanship and/or material under normal and proper usage, or unfit for the purpose
specified and agreed upon, and (b) Buyer’s claim is made within the warranty period set forth above,
Buyer may return such goods to GAI-Tronics’ nearest depot repair facility, freight prepaid, at which time
they will be repaired or replaced, at Seller’s option, without charge to Buyer. Repair or replacement shall
be Buyer’s sole and exclusive remedy. The warranty period on any repaired or replacement equipment
shall be the greater of the ninety (90) day repair warranty or one (1) year from the date the original
equipment was shipped. In no event shall GAI-Tronics warranty obligations with respect to equipment
exceed 100% of the total cost of the equipment supplied hereunder. Buyer may also be entitled to the
manufacturer’s warranty on any third-party goods supplied by GAI-Tronics hereunder. The applicability
of any such third-party warranty will be determined by GAI-Tronics.

Services. Any services GAI-Tronics provides hereunder, whether directly or through subcontractors,

shall be performed in accordance with the standard of care with which such services are normally
provided in the industry. If the services fail to meet the applicable industry standard, GAI-Tronics will
re-perform such services at no cost to buyer to correct said deficiency to Company's satisfaction provided
any and all issues are identified prior to the demobilization of the Contractor’s personnel from the work
site. Re-performance of services shall be Buyer’s sole and exclusive remedy, and in no event shall GAI­Tronics warranty obligations with respect to services exceed 100% of the total cost of the services
provided hereunder.

Warranty Periods. Every claim by Buyer alleging a defect in the goods and/or services provided

hereunder shall be deemed waived unless such claim is made in writing within the applicable warranty
periods as set forth above. Provided, however, that if the defect complained of is latent and not
discoverable within the above warranty periods, every claim arising on account of such latent defect shall
be deemed waived unless it is made in writing within a reasonable time after such latent defect is or
should have been discovered by Buyer.

Limitations / Exclusions. The warranties herein shall not apply to, and GAI-Tronics shall not be

responsible for, any damage to the goods or failure of the services supplied hereunder, to the extent
caused by Buyer’s neglect, failure to follow operational and maintenance procedures provided with the
equipment, or the use of technicians not specifically authorized by GAI-Tronics to maintain or service the
equipment. THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE IN LIEU OF AND
EXCLUDE ALL OTHER WARRANTIES AND REMEDIES, WHETHER EXPRESS OR IMPLIED BY
OPERATION OF LAW OR OTHERWISE, INCLUDING ANY WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Return Policy

If the equipment requires service, contact your Regional Service Center for a return authorization number
(RA#). Equipment should be shipped prepaid to GAI-Tronics with a return authorization number and a
purchase order number. If the equipment is under warranty, repairs or a replacement will be made in
accordance with the warranty policy set forth above. Please include a written explanation of all defects to
assist our technicians in their troubleshooting efforts.

Call 800-492-1212 (inside the USA) or 610-777-1374 (outside the USA) for help identifying the
Regional Service Center closest to you.

(Rev. 10/06)