Pub. 42003-160A
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
PCBA Replacement Kit
MODEL 12556-001
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 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.
Instructions
The Model 12556-001 PCBA Replacement Kit contains one Model 69228 handset amplifier PCBA for use
in GAI-Tronics Smar tHandset™ s tat ions and S ma rtAmplifier™ stations.
WARNING
Remove the power from the station prior to servicing.
Remo ving the Old PCBA
1. Loosen the four s c rews a t the cor ners of t he front p anel, and pull t he p lug-in the a mp lif ier from t he
enclosure. All maintenance work from this point on should be p erformed a t a work bench with the
operator prop erly grou nded to avoid static discharge.
2. Loosen the fou r cha ssis screws ( Phillips) on the top and bot tom of the unit.
3. Carefully s lide t he chassis to the left , and separat e it f rom the front pa nel.
CAUTION
The power supply harness inside is short; do not pull it apart abruptly.
4. Remove the power supply wire harness from J6 on the Model 69241 PCBA by pressing the tab on the
locking connector.
5. Remove the au x/su bset c onnector at J2 from t he M odel 69228 PCBA (for Model 701-804 only).
6. Disconnect the sp ade termina ls at E1 through E7 . Needlenose pliers may be r equ ired.
7. Remove the four screws that secure the Model 69228 PCBA. DO NOT DISCARD THE
HARDW ARE. D i sconnect the assembly by grabb ing the PC BA at t he s i des near the J1 connector.
Unplug it from the PCBA below it.
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 800-492-1212 Fax : 610-796-5954
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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ODEL 12556-001 PCBA REPLACEMENT KIT Pub. 42003-160A
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Installing the New PCBA
1. Plug the replacement PCBA into J1 on the Model 69227 PCBA, and secure it with the existing screws.
2. Reconnect the spade lugs. See Figu re 1.
3. For Model 701-804 only
: Reat tac h the aux /subset connec tor at J2 on the Model 69228 PCBA.
4. Reconnect the 12- c onductor wire ha rness from the M odel 69241 baseboard to the Model 69242 power
supply PCBA on the front panel at J1.
5. Reatta ch the cha ssis and fr ont pa nel; and sec ure the top and bott om chassi s screws.
6. Plug the amplifier into the enclosure, and tighten the four front pa nel s c rews.
7. Reapply the power to the station.
Figure 1.
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