TCI Library www.telephonecollectors.info
AT&T Private Pay Phone Plus
February, 1988
B Replacement of Mechanical Components
Some hardware components are more likely to sustain vandalism or damage from improper
use. If physical damage is not readily visible, determine what is wrong using the
troubleshooting lists starting on page 57. Usually, problems with the coin chute are due to
jams. Problems with the hopper assembly, coin relay, totalizer, coin dial unit, and handset
are due to loose connections or vandalism. While most repair procedures should be
handled by trained repair personnel, you may wish to handle the replacement of some
mechanical components. On page 70 is a list of spare parts and optional equipment.
Instructions are included for replacing the following hardware components:
1. Coin Dial Unit -- This is the keypad assembly that attaches to the front cover housing.
The number being called is entered on this keypad. The switch hook assembly is a
part of the coin dial unit.
2. Handset G3AS-3 -- This is the hand held voice transmitter and receiver assembly. It
also includes an armored cord assembly to guard against vandalism. The handset is
hearing aid compatible.
3. Coin Chute 20A -- This is the coin handling mechanism that provides coin/slug
discrimination. The coin chute also selects the correct coin path for each
denomination of coin.
4. Return Chute Assembly -- This plastic chute connects the coin hopper assembly to the
coin return assembly. The return chute assembly provides the path for coins being
refunded to the user.
5. Coin Return Assembly -- This is the chrome plated slot on the front of the lower
housing that the user inserts his/her fingers into to collect returned coins.
6. Coin Box -- This is the box at the bottom of the phone in which the coins are stored.
7. LOUD Button Assembly -- This is the box on the front of the phone in which the LOUD
button is installed. It also contains a magnetic slug blocking feature.
Owner Manual
Page 60
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