Component Location And; Power Supply Board (Psb) Terminals - AT&T BELL SYSTEM Touch-A-Matic 870A1 Identification, Installation, Connections, Operation, And Maintenance

32 automatic dialer
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SECTION 501-164-201
(2)
No
telephone
numbers
can be recorded,
deleted, or changed in memory.
(3) Manually and automatically
dialed digits
may be intermixed.
(Depression
of RE-
CORD OFF button not required. )
(4) LAST NUMBER DIALED
feature
dis-
abled.
(10) Reassemble adjunct dial.
COMPONENT
LOCATION AND ACCESS INFORMATION
Danger:
When it is necessary
to
access
component
parts
of terminal
areas,
ac
power
must be disconnected.
A.
Power Supply Board (PSB) Terminals
3.09
(1)
(2)
(3)
(4)
(5)
To access the terminal field on the power sup-
ply board, proceed as follows.
Disconnect power unit from ac outlet.
Remove the faceplate (paragraph
3.10).
Loosen the captive cover screw at the bottom
of the cover around the dial (Fig. 2).
Remove the cover.
Loosen the two captive dial mounting
screws.
Note:
On units with metal dial brackets, the
screws will have to be removed.
Fig. 5 —2870A
1 Dial, Connection
of D-180818
Kit of Parts, Record Disable Feature
Only
Page 12

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