Heathkit HM 10A Manual

Page 1

PRICE $2.00

H E AT H K I T®
ASSEMBLY MANUAL

HEATHKIT

I/

7,,.5 \.
TUNNEL DIPPER

MODEL HM-IOA

Page 23

Page I?

(Send my canister wring m the angles allow m Del 33. WI": 3 3 lackwuher IM 3 3-48 nut. Tlgillen "I: screw
so the up 0! (he lpxing la ovlr Ille phann locket hole. Do
CONTACT not let the spring touch me center lug or the phone sockel
SPRING or the lllotllflllg hirdnre A! III: phono lockel. Tighten Se»

curely.

(/Plug - call with a longer plh Into the phone socket to make
I?! the put mute- good Cantu! ml. the annular Aprlllg,
Remove the call.

(\(Whfll me ream-mu; 1-1/8" pkca a! cmnetung slrlp
behind the center cmduclor cl the phone socket. Bend
the center lug at the phonn locket back sllghlly. as ll la
mom- In Putorlal 3 on Page la. Solder the connectmg ttrlp

ACTUAL to the plume lugl The and al "to strip should he even wlth
the board lurllce. 'rlh bout the end at the mm and the
Den 3 S'ZE ' tax-mum, then solder the [we together.

( l/lhmll : 3.! screw lnla the circul! board to mount the
tanllctor apt-m. Thu; here: In: ttghtty m the hole In pm.
me good amulet wlth the toll, Thu urew nhwltlbe «If Place the tree land 0 the tunnel dlode between mzlwo
urewod um: um hole. COIIIECHIIg amp: I: lt wlll he connected tn one 0! them ln
1/6. e um step. Flue the 3.3 lull capacltor lead as shown
( stall the canlutor upelhg on the elreutl board as shown u. mum.) ;_