Heathkit IG 102 Schematic

Page 1

* *BAND SWITCH $2

BAND SWITCH

DECKLFRONT DECKLREAR DECK B FRONT DECK B REAR/
.-
[CZ
I... BF * E D
-_- FRONT VIEW
TUNING CAPACITOR _ _ 6/0
7 7 5
47II F 1 /
LLLLF / :
BAND (:9
F' C6 R3 _£8 REAR VIEW
HO 55 .--.2. 2 IO-365 =
4-! 30
i- 4700 C20 9/2 3K
._ .Ol H NE m3
192 C70) .437 m ATTENUATOR 680
$301 VZA 31 V23 GEO
__ 3/2 6AN8 1/2 BANB
.
0 RF OUT
EXT MOD IN
AF OUT
.022 _ __ __ _
_ 4 mo 49
390 132
mm SCHEMATIC OF THE
AF
T2 HEATHKIT®
_ _.._ RF SIGNAL GENERATOR
T, _ MODEL IG-102
RED . + |30
OFF NOTES:
BLK I20 VAC I' C253
20 MA 50 ALL RESISTORS ARE 1/2 WATT UNLESS MARKED OTHERWISE.
RED 200V ALL RESISTOR VALUES ARE IN OHMS I K = mom.
1 ALL CAPACITOR VALUES ARE IN ufd UNLESS MARKED OTHERWISE.
YEL 0 -: O INDICATES VOLTAGE READING.
'05-'25 VAC # 47 ALL VOLTAGES ARE Dc POSITIVE UNLESS MARKED OTHERWISE.
50-60 CPS em 83" LAW ALL VOLTAGES ARE MEASURED FROM POINT INDICATED To CHASSIS
c2; YEL GROUND, EXCEPT AC VOLTAGES ON POWER TRANSFORMER
WINDINGS.

VOLTAGE READINGS TA KEN WITH AN 11 MEGOHM INPUT VTVM.
: VOLTAGES MAY VARY 110%. ,
ALL SWITCHES SHOWN AT FULL COUNTERCLOCKWISE ROTATION,
EXCEPT SWITCH S3 WHICH IS AT FULL CLOCKWISE ROTATION.
TUNING CAPACITOR CLOSED.
SWITCH LUGS WITH THE SAME NUMBERS ON DECKS AR AND AF ARE
CONNECTED TOGETHER (12 TO 12, 11 TO II, ETCJ.
*VOLTAGE MEASURED WITH BAND SWITCH 52 AT BAND F.
**ALL SECTIONS SHOWN HERE ARE VIEWED FROM THE FRONT
PANEL: SWITCH SHOWN IN BAND A POSITION.