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Extracted text from Heathkit GD 125Q Manual (Ocr-read)
Page 1
·,
TYPICAL COMPONENT TYP S
This chart is a guide to commonly used types of elec tions should prove helpful in identifying most parts and
tronic c omponents. The symbols and related illustra- reading the schematic diagrams.
RESISTOR ~ CAPAC ITOR W. AJt, ...
-wwv ~ --1 t- A ~
POTENTIOME ~ER o ~ ~ (CONTROL) ;.-
---wvvr -
t ~
ELECTROLYT IC m CAPACITOR
--±1t= ~W ~~ .'.
~
P L AT E g" - - S U P P RE SS OR @ -- SCR E E N
- - GR ID TUBE ' CATH OD E - :.---- flLAM EN T
~
p CO L L EC T O R ~ TR A N SISTOR c-: BASE EM I TT ER ~ C OLLE CT OR
B~ @ NPN EM ITTE R -
.., . ~
~
NEON BULB
FUSE ' ~. :....-;.. '"
~
ILLUMINAT (5;9NG . ./ BULB ., /h ,I,' / . I,'
-------- SPST SWITCH (TOGGLE)
- ..-.r r _ ...-' ....
DPDT
-B-METER
W
R E C T I F I E~ . ....- . (DIODE) ..
: )Y ~
~
CONDUCTORS
+ +-r -----
NO T CONNECTED SHIELDED CONNECTED
PHONE JACK
EARTH GROUND
~
PHO NO ~ o-JACK () ,
~
~'CROPHO ~
CHASSIS GROUND
VARIABLE ~ CAPACITOR
---1t ./ ~
riI\ RECEPTACL ~E . " " .. / ~
\!!T - wt 1
,
LOOP
B INDING POST
TRANSFORMER
~
(A DJ U S TA B L E POWDERED IRON
CORE) ARROW
t
IN DIC A T ES D IR
E CTI O N O F COR E
MOVE M E N T TO
I N C R E A S E IND UC T AN C E
INDUCTOR (COIL)
C POWER
[ T RA N S
FORMER
G
T ANTENNA
GENERAL
]
]
][
TRANSFORMER
( ADJUSTABLE CORE)
~
: :
I I
I I
PIEZOELECTR IC
~D~ CRYSTAL
Page 2
Assembly
a nd
Operation
of the
®#k~
Q MULTIPL IER
MOD EL 6 0 - 1 25
H E A TH COM PANY,
BE N T O N HA R B OR ,
MI CH I G A N
TABLE OF CONTENTS
Intro du c t i on . - - - - - - - - - - - - - - - - - - 2
Pa r t s Lis t. - - - - - - -- --- - - - - - - - - 3
Step- By-S t ep As se mbl y
C ha s s i s As s e
mbly. - - - - - - - - - - - 4
F u n c
tion Switc h Wiri ng. - - - - - - - - 6
I n s t a
llatio n . - - - - - - - - - - - - - - - - - - - 12
Alignment . - - - - - - - - - - - - - - - - - - - - 13
Op e r a t i on . - - - - - - - - - - - - - - - - - - - - 15
I n Ca s e
Of Dif fic ulty. - - - - - - - - - - - - - 16
Specificatio ns. - - - - - - - - - - - - - - - - - 16
C i r c u
it Desc r i p t i on. - - - - - - - - - - - -- 17
Sc he
ma tic ----- (fo ld out fro m pag e). - - - 19
Ccp yri gh l " r965 Heath Compa ny ,ill ".( I.IJ .ru.tr ,( 1 2-17-65
