Zenith 701

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zenith 701

Extracted text from zenith 701 (Ocr-read)


Page 2

PAGE 5-4: ZENITH

MODEL 701

MODEL 702
Schematic, Socket.

Alignment Data

ZENITH RADIO CORP.

c-Stl

Pfl_-.--_--7

, .0! our.
ORA-ed! I I

V04 (lrtffi- CON/90-

IN CORD
-1

A" if»: 456' KC

DECIMALS Ate MICROFARAoa.

-WHOLe NUMBERS ARE Germs.

NUMBERS PREFIXED bY LETYEES
ARE PARTS.

VOLrALses ARE Fm»! pomrs
INDICATED To ce-msses

GROUND. VOLUME CONTROL
ON FULL. "sunken ON A.C.

-LCHASSIS GROUND
o CONDENSERS m one UNIT c-szo

.5516 CTOR

Srhemetie circuit diagram Model 70! name Superheterodyne, with automatic volume control

l ees . at on time. to rehelenee this set the areeedure is an foiloam Attach
a assshlfflgyeiebgseliflam the r-lrd of the 606 tube in heel: of the verlahle mdeneer and elimet
the trlnunlnn condensers ol- the . F. transformers to maximum deflection en en cutout. meter eag-
neoted errors the nrimery of the speaker lnoui trensformer. While adjusting these trimmers. _t e
variable condenser should he at the maximum tenacity position-at the extreme right of its rotation.

t ls o t the antenna wire and connect an oscillator in e_eriee with a 75 met. con-
-man- -tin: -Imam" coil. Rotate the condenser -it" to "'9 """mu'" -'-i-y -Mm--
extreme left turn. and adiust the trimmer condenser at the rear section of the variable eliminate;I to
resonance with an oeeilletor set at -'25 kiloeyelee. then ndlust the condenser 0' -I0- "'0"? "it"
of the variable condenser to resonance. Align at «nonizoo-Iooo-son-eoo-sao kllecyc cs.

bend slotted plates of variable condenser if necessary.

MODEL 70!


ANTENNA kw

m -A" m 700-

11F PEAK 456 KC.

c- oz-«eo m
I-. AMIC '

1,92%-.

6c-uu3-a enemies.

-can AL! Mt MIC-OLA-Apa.

~0U.-l$ mFIIEO BY II'WERa
Al! DART uranium

IIMG lulu- ARI melts.

:- COIIOENSER tfl Ohi- U'u'l-. C1525
Av--IOSTOI ace-looms: Alana-Lu
III ..I-. CAN Q5140, 7-.

UGLYAOIII "some: Into-e Ira-«1'5 "
encocA'ren To cusses alum-e0 -0--
VMME cantata; ON FULt. ~

A- napalm Carine-sues , .

le (yufitm use one -If. 7'1?-

lt- I

'1" IO.

Iv .-

Alumna
(Jar

mum

Ill)

m-GOO Meta":

m -1'-

the trimming condensers el the l.

J I: IN
Attrflz
e 0 :16
01:14am



0- -e

roe» VIOI '0 I- Due-I

A- 4|.an "sun all [pymfnm
tube. A C. QC. LtNE 6-517 -


Sehemtle Circuit Diagram and Aligning Instructions flouel 702 A006 Sunerheterenyae

renown new:

«mm. at any time. he "balance this set the recall-- is es feline: Atteeh
a 456 lslleeyele esellieter to the grid of the BA? tulle in but: of the variable condenser and adlust

F. muster-mere to maximum detection a In euteut Deter eon-
eeetell aereae the erlmary at the speaker ineut tra
variable eenienear eheulll be at the maximum saeaeity position--at

Internet. While allustlne these firemen. the
the «new rilht el its-relation.

With switch lever no In 200.800 meter uoeitieli. disconnect the antenna wine and eenneet an
oscillator in series with a 2_50 min. condenser to the entenne eoil. rotate the condenser Plates to
the minimum ennaeity position. extreme left turn. and adjust trlmuer condenser oi the millater

and rear section of the rarinhle ta resonance with the oscillator set at 200 meters. ndlust the
MODIi L 702 mm teetien to "entrance at 2:5 mum, alien at 250-3004004110 meters and bend

slotted plates at variable enndenser if neeeseery. .-I-e -last long wave.
witch lever down. set variable at maximum «may

Im-aooo- meters. with
. extreme rieht turn. and tune eenerater to

maximum output. than peel: long wave udder (hexuen nut el L. W. Fodder). at the Mine tilllo

tuning eeeillater until maximum output is attained.

Attaeh eeeilleter leans to grill e! 6A7 ground.

set variable eendenser at minimum ennui? extreme left turn. and adjust eeeilleter te reeenanee

with set. Remove eeelllater lead from or:

- . -.--e-..-- -e ~---..- __..._.__- .-.

et 8A7 and atteeh to antenna Ieed. then adjust lon
wave lt.i-'. trimmer to maximum outth {set screw enlistment at L.

either oscillator or variable condenser while leaking this aulustmeet.

W. Fender). DO not dish:

SUFPA V 1 11V:

"-42.? _

[NIP/VIVA.