Heathkit IM 13 Schematic

Page 1

22 MEC 22 MEG 22 MEG 22 MEC
\A/ J\A\

RANGE SWITCH
WAFER A

VI
6AL:5

- G} . 9 005 IO MEG
:22MEG ::
b . " OHMS AC DC @
.05 ® ADJ CAL CAL . '
NOTES° . __ __ ; IOK ' IOK IOK
ALL RESISTANCES IN OHMS K = 1000, MEG = 1,000,000. ® ® ___ :-
ALL RESISTORS 1/2 WATT UNLESS OTHERWISE SPECIFIED. ® ®
ALL. CAPACITORS IN pfd UNLESS OTHERWISE SPECIFIED.
ALL VOLTAGES MEASURED WITH RESPECT To CHASSIS GROUND. ,
FUNCTION '

ALL VOLTAOES POSITIVE UNLESS OTHERWISE SPECIFIED. / SMTCH
voLTACES TAKEN WITH AN II MEGOHM VTVM. FUNCTION SW'TCH/- ---~ -- --- - -- --/-,- - _ ._... _ ._...... __ _ __ __ _ _L__ 7.... __ __ . -
ALL SWITCHES VIEWED FROM THE REAR. ' / WAFER A FRONT FUNCTION SWITCH wag-i2 a /
RANGE SWITCH IN MAXIMUM COUNTERCLOCKWISE POSITION. WAFER A REAR _
FUNCTION SWITCH IN Ac POSITION.

PROBE

I
I '
IMEG DC I, ______ I .
I W.Wf
| A 1

OHMSI

r.

___ 2.162 6.838

.
IOK 2|.62K 6838K 216.2K 683.8K MEG MEG .5
BLACK
TEST LEAD
so-esv 20 LIED
.NECATIVE ~- L+I50v
RANGE SWITCH I 381-? g T.
WAFER C REAR RED POSITIVE DI
~------ l20 VAC IOMA
RED

RANGE SWITCH RANGE SWITCH
/ WAFER B FRONT WAFER A REAR
FUNCTION

/ , / 9K [30K 900K QMEC, SWITCH
HEATHKIT® .0542.

9.I 90 900 WAFER C
/ . / +®®®G®®®
SERVICE BENCH VTVM / VAC

REAR
El. IM I3 I / I / -_:.. BATTERY / 50/60 CPS "
MOD .- L ._ . _ . _ _ - _ Z _ - 1. _/

SCHEMATIC OF THE