TRANSMITTER CAP
TRANSMITTER
UNIT
TRANSMITTER
BOARD
ISS 3, SECTION 501-211-102
Fig. 1-G6B Handset Assembly (G7B Handset is Arranged Similarily)
(2) Connect yellow and green leads to the
terminals from which the white leads were
removed •so that the yellow lead is electrically
wired to the
R
terminal on the network and
the green lead is wired to the
GN
terminal on
the network.t
(3) Test the handset through the full range of
volume control.
3.02
When connecting G6- and G8-type handsets
to
telephone sets equipped
with
TOUCH-TONE
dials, the dial must provide common switch contact
arrangements which will prevent dial sidetone
amplification by the handset amplifier. If the set
contains a 25A3 (MD), 25B3 (MD). or 25H4 (MD)
dial, install a 25W3, 25Y3, or 25P4, respectively,
and connect dial and handset as shown in Table B.
3.03
When connecting G6- or G8-type handsets
to
1660-series (MD) telephone sets equipped
with 26B (MD) or 26D (MD) card dialers, install a
26F card dialer and connect dialer and handset as
shown in Table B.
Schematics
3.04
Fig. 3 through
9
show schematic diagrams
of the amplifier type handsets.
4.
MAINTENANCE
4.01
M aintenance of G6-, G7-, and G8-type
handsets is limited to the following:
eReplacing cracked or broken receiver and
transmitter caps.
e Replacing defective transmitter units.
eReplacing defective handset cords.
eCleaning with water-dampened cloth.
4.02
Maintenance of Gl3-type handsets is limited
to cleaning with a water-dampened cloth,
as the transmitter and receiver caps are cemented
to the handset handle at the time of assembly.
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501-211·102-i03_1970-10·03.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle
Rock, Colorado Mar02, 2012 22:07:22