Heathkit GT 1217 Schematic

Page 1

r ------------- ~ - ----------------- -

KEYBOARD I

Qty .3 43*

CIRCUIT BOARD

'76

'3

NOTES:

1. ALL RESISTORS ARE IMWATT, 5t RESISTOR VALUES

ARE IN OHMS IK'IDOD: M-I.000.000l.

2. ALL CAPACITORS ARE IN E.

3.0THIS SYHIDOL INDICATES A DC VOLTAGE TAKEN UNDER
NORMAL OPERATING CONDITIONS.

+DV

1
WTC

I
RLV I
I
' oo-u

4I7-OOI

.3 .

ION

4.0

THIS SYMDOL INDICATES A DCIVOLTAGE TAKEN DURING
BATTERY OPERATION.

5. v THIS SYMBOL INDICATES CIRCUIT BOARD GROUND.
RELAYS SHOWN IN NORNAL IIINEDERGIZEDI POSITION.

TELEPHONE INTERFACE CIRCUITR
RATED PARTS, OR CORRECT HEAT COMPANY PART.
FAILURE TO DO SO WILL VOID FCC REGULATIONS.

- REPLACE WITH SAME

TELEPHONE [NYEM'ACE
(sec ~01: 7)

CJ
ISO! 50V

50/50V

-J

r

o ---.---

. Page 5 of 5__
GT-I 2 1 595-2052
591-3002

0
E

70
TELEPHONE
L mt

JUNC 7 ION BOX

AstsAiA

um? _

TO TELEPHONE

SCHEMATIC OF THE

HEATHKITO
ELECTRONIC DIRECTORY/DIALER
MODEL 67.1217

AC 'TO'DC

CONVERTER IRWE

Page 2

r---.-~ ----- --n_-~------ ------- a-----

KEYBOARD

angry ?* 7 U L,

r W SW1 SW2 SW3 SW4
RL . T
El *2 3E1 ' w} {-9.}. 3.3;

+SV

I I I J 7 '
-¢ 4 -I
swe SW10 SWII swlz
| a
--6 -7 / -3
swzs swu sms swas I
L; f
I H
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I I
I
I
I
. E
u
: m «lac-0210 Vcc C no a
I .u' C5 010 .fl 2m I
I I "' m 3:. «7-001 J
I v 3:13. .333
I
I V v v
I
I
: CIRCUIT BOARD
| , .. 1....
l ._.._._._._ - 3.
I
I
I
I
h------~-----n----u-----~---q-_-------------¢-
mom ' moms svmoL IIIDICAIES
IAITEIIY omunou.

1. ALL RESISTORS ARE III-WATT. 5i. RESISTOR VALUES

ARE IN OHMS IK-IOOO; M'I.000.000I. 5. v THIS SYMBOL INDICATES

2. ALL CAPACITORS ARE IN I15. 0. RELAYS SNOW IN NORIAL
3.0THIS SYMBOL INDICATES A DC VOLTAGE TAKEN UNDER 1, IELEPNONE INTERFACE CIRC
NORMAL OPERATING CONDITIONS. RATED PARTS, 0A CORRECT

FAILURE TO DO SO WILL VOI