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ISS 5, SECTION
503-603-101
O-leOel8
FIG. A
FIG B
KIT OF PARTS
:
MEMORY
POWER SUPPLY BOARD (NOTE 4)
-
--
PSB
i
I VGL
P5
VGL
(G-BK)
I
DTT
(G-R)
(_
INPUT
• ) ("
2
I _.._L__
FIG. K
(BR-R)
lOT
I_
(R-G)
I Pc__
_(R)
(BK-O)
I SH
i_
--
--
(BK-BL)
°1
voo_,,.. .'i v°°-' - "
-
--
/
RESET
(O-BK)
Q
PB
RESET, _,
.............. 7
i0
,, ;
:VR
>
VR
I0
yDD-2, _
I
VDD-2
_
(BL-BK)
B+
' ._
B+
(G-R)
®
PB
, _
PB
(
FIG. K
(R)
NEG
:C
>1
'
NEG
i "
>I
(G._(_)
,,
_.G. x
POS
, _
,,_ 1
POS
_r,,_
(BK)
/
17 , '
IW(_)
(BK-BL)
c.
,8;
cR
*
(G-W)
• •
19 _ -
FIG. I
PL
16
(R-BL)
FIG. C
PL
' _
20 _ I
(BK)
FIG. K
(BL-R)
P2
CD
_
(Y-G)
(o-w) _2,;I_,'
,
(_-w)
: (Y-G)
(O-R)
(W-S)
I / 2
__/
H2'
b R)
; _
(O-Y)
-
I" 3 "1
l (V-BL)
; _
(BL-V)
(Y-O) =_,
_1
H3'
_
(W-G)
FIG
!(Y-DR) ' _. 5
_
HI'
FIG.
hiO)
]_
(R-O)
VDD
•
r_
t _ 6
\I
G
(W-G)
t_
L2" G I_(BL) l]
; (W-O)_
, . 7
_
L3
--I(R-G)__/_'
'qF"_- ST RAP (BK)
(BR-W)
:(,-w)_ _ "' Cc
l (W--BL) ;_
-
-
9
_1
_._-STRAP
(BK)
i
(W-BR)
/
_
!
i \
I
24
_
(Y-O)
(_
DR
I
CD
-
(O-R)
PL
:(DR-W)-J--(
_/"
25
26
(BL-Y)
__
DTT
BATTERY
( Y- BL)
_
SPR
!
1
.P o '"
/_1-B-(Y)
-:
STRAP
(S)
(_
I
l ....
(BK)
I%
3 x_l
(BK)
(BK)
I
l
;:
3
(BK)
(NOTE 5)
(W)
LRS-I
(BK)
2
(BK-O)
Q
COM
FIG. E
B+ (R)
_
a _
B+ (R)
(S)
i
J
/
" /
:
(BL-V)
NOTES:
(V-BL)
I. FOR 3B SPEAKERPHoNE
WITH
149B ADAPTER
MB7
(G-Y)
RELAY
OR 4A WITH
82B CONNECTING
BLOCK,
USE (O-V) LEAD. FOR 4A
(DR-W)
SPEAKERPHoNE
WITH 82A(MD) CONNECTING
(Y-G)
(W-BR)
BLOCK, LEAD WILL
BE (V-BR).
2. FOR 28?2AIM SET - (BL)
(NOTE I)
FOR 28'72A2M SFl - (Y)
(G-Y)
(_
SPO
5. I OR 28?2AIM SF_ r - (Y)
35
(
-
)
FIG
I
FOR 28'72A2M SET -
(BL)
OPTIONS FOR F I G. B-
4. FACTORY WIRED WITH
l_), @,
AND @
OPTIONS
(j_ WITHOUT DIAL TONE DETECTOR
@
WITH SPEAKERPHoNE
5. REMOVE STRAP IF ONE-TOUCH CALL I NG IS PROV IDED
(_) WITH POLAR ITY GUARD
(_ W I TH DIAL TONE DETECTOR
WITHOUT POLARITY GUARD
@,
(_ AND _
WITH ONE-TOUcH CALLING
(_ WITHOUT SPEAKERPHoNE
*
INSULATE AND STORE
Fig. 9--2872AIM
(MD)
or 2872A2M
Telephone
Set, Connections
(Sheet
1 of 5)
Page
33
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