GAI-Tronics 12550-102 User Manual

Pub. 42003-149

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

Receiver/Amplifier Replacement Kit

MODEL 12550-102

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 which is conf idential and propriet ary to GAI-Tronics. GAI - Tronic s
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

This kit is used on the following model sta tions:

• 10450-003 • 10450-102 • 472-001 • 473-001 • 476-001 • 477-001 • 478-002

• 10450-101 • 10450-202 • 472-002 • 473-002 • 476-002 • 477-002

The Model 12550-102 kit includes the following components:

Description

Qty

1 Handset SMT PCBA
1 Headset receiver
2 Screw
2 Brass eyelet

Installation

Removing the Old Receiver

1. Unscrew the microphone cap , and remove the

microphone ass embly and nylon was her.

2. Loosen t he t wo screws on the micr ophone

assembly, and remove the three blac k wires a nd
brown wire. L oc ate the s plice connection of the
two white wir es . Remove the vinyl electrical tap e
fr o m the splice, a n d remove t h e l arger wh i te wire
(r eceiver wir e) fr o m the ju mper c lip. See Figure

1.

OTE: On older stations, the brown wire is

N

replaced by a green wir e.

Figure 1. J umper Clip Installation

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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ODEL 12550-102 RECEIVER AMPLIFIER REPLACEMENT KIT Page: 2 of 3

3. Remove the two sc rews that s ec ure the handset page swit ch to the handset. Ca refully remove the page

switch c over plate, actuat or cover, retur n spri ng, ac tua tor, and contact enclosure fr om t he handset
handle. See Figure 3.

4. Unscrew the receiver ca p , and c arefu lly remove the receiver/amplifier assembly.

5. Discard t he old receiver and amplifier assembly.

Installing the New Receiver and Amplifier PCBA

1. Place the new r eceiver element o n a fl at surface, and i n stall the a mplifier pri n ted circuit boa rd assembly

(PCBA) on the receiver using the brass eyelets and screws provided as shown in Fi gure 2.

Figure 2. Receiver/Amplifier I ns tallation Diagra m

2. Carefully ins ert t he wires fr om t he amplifier P CBA into t he handset handle (bla c k and br own wires go

to the microphone ca vity, and the white wir e goes to the page switch c utout midway on the handle).

3. Ins ert the a mplif i er P CBA in to t h e recei v er cavity of the handset handle u n til the r eceiver is pro per l y

seated i n the handset.

4. Rep l ace the receiver cap.

5. Insert the sp ade termina l f rom the receiver white wire into t he ju mper clip, along with the white wire

from the coil cord. See Figure 1. Tape the jumper clip with vinyl electrical tape.

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