Zenith h 664

Page 1

MODEL H60 ,
Ch. 6302

The LF. transformers incorporated in this
receiver are of the new permeability tuned
type. The advantage of an LF. transformer
of this type is its extreme stability under
various humidity and temperature Condi-
tions. The upper coil is the Secondary and
the lower the primary. When adjusting
these LF. transformers the tuning wrench
68 -19 can be inserted into the top slug, ro-
tated until maximum output is obtained and

then dropped down to the lower slug and the
same operation repeated. The tuning
wrench is so designed that turning one slug
does not affect the adjustment of the other.
In the event the receiver oscillates during
phono operation, adjust 016 4-80 mmf.
capacitor to a point at which the oscillation
ceases.

This position of no oscillation will some-
times vary with different cartridges, and in
this case readjustment of (316 must be made.

GAQG OR
IEATB
tSfJfiTRANS.
lads L2 223%?

PHONO JACK A.C. con gfigfigoger
LWPTERMINALSWR - 33%.: OR
WW 3 IO @ C5
man a :

:3 OSCILLATO ~ :
TflluMER __.
P1LOT LIGHT
TUNING
. . istorie V/d Radio HONO-RADIO TONE CONTROL ON-OFF SWITCH AND
V8! V H 3W1TCH VOLUME CONTROL

AéCHIEF
DocUMENTATIEDIENSI'

NVHR

TUBE AND TRIMMER lOCATlON

ALIGNMENT PROCEDURE

CONNECT DUMMY INPUT 810. SET
OPERATION OSCILLATOR TO ANTENNA FREQUENCY D151. AT TRIMMERS PURPOSE

l Converter .5 Mid. 455 Kc. 600 Kc. L3. 4, 5. 6 For I. 1-".
Grid Alignment

2. One Turn -- 1600 Kc. 1600 Kc. 6-3 Set Oscillator
Loop Coupled to Dial Scale.
Loosely to .

3 Wave Magnet -- I400 Kc. T1400 Kc. C-Z Align Antenna

Stage

ll? TURN OF ST DING

ON FRONT PULLEY AS
SHOWN

STRING WFIABPF"
AROUND BULLEY
3N DIRECTlON SHOWN

N BAC

SPRN
op mgr. pULLEY

I l/i.I TURNS OF STRING
ON SMALL WLLEY

IDIAI. CABLE DRAWING AND
DETAIL or I. r. TRANSFORMER

Hum 04 smmc WRAPPED
AROUND RIVET AND | 1/2

TURNS OF STRING WRAPPED
AROUND FULLEY AS SHOWN

Tum-e
ma

Detail 0
IF Trlndormtr

Page 2

-_ -I

'nofE-L H6614,
. Ch. 6H02

USE ONLY IfiNITfi NON-INDUCTIVE
ELECTROLYTIC CONDENSER FOR
RIPLACEMENT .

unramsromza auueeamc an:
1mm .1 TERMINAL A: FIRST YERMINAL

If ANY OTHER TYPE OF (LECTROLYTIC
IS USED IT WILL BE NECCSSARY 1'0 ADD
PARTS SHOWN IN DOTTED LINES.

cLoanwuss mo ADJACENT TO manta
Jug. weweo no» aovom or canals.
1 1:51 POINT

P A R T S L [S T
MODEL H664 CHASSIS 61-102
PART DIAG. PART DIAG.
F NO. NO. DESCRIPTION N0. NO. DESCRIPTION
D131 Assembly Miscellaneous
12:32 gmfifiigg Exam 11-35 Line Cord & Plug - 6 it. long
46455 To Control Knob 12-1312 Pilot Light Socket Mtg. Brkt.
46 424 Toning Control Knob 14-1293 Plastic Cabinet for H664 {Top Section)
59455 Dial Pointer 12-1294 Plastic Cabinet for H664 (Bottom Section)
79-911 Pilot Light Socket 3. Wire 16" Packins Cam _
30-69 Dial Cord Tension Spring 17-116 Wave-magnet Retell-1mg Clamp
80-»209 Dial Card Tension Spring 19-169 Recon} Changer Mtg. Chp (3 used]
83-1868 Pilot Light Indicotor Strip 24'5 Class 0
100-67 PL] Dial Light Bulb 40-93 Cabinet Cover Hinge (2 used}
18860 Retaining Ring [used on 5-11857) 40'94 Cover Support Hinge
188-102 Knob Retaining Ring (4-6 42.4) '25 Pf? 3
8-17638 Dial Cord Asaembly (Short) 49""97 5P1 72' PM 5PM? .
5-17639 Dial Cord Assembly (Long) 5123 5° 8 v°1ce Con-
8-17640 Pulley g! Bushing Assembly 52-588 TWO Prong Receptacle F Cable
3-1785? Tuning Shaft & Pulley Assembly 54F129 Speed Nut (? sea on DID]. Scale Mtg. & 3 58d
5-17923 Volume Control Knob Assembly Hamish W83
54-139 3/8-32x9/16" Palnut God. (1 ea. used on
Coils & Chokes 85-499 to 63-22?0)
54-140 3/8-32x9/16x3/32 Hex Nut-Steel N.P.(used
95-1101 Tl lst. LF. Transformer °n 63-3259) _
95-1102 T2 2nd. I.F. Transformer 544-27! 6-32x1/4 Palnut Cad. (1 ea. used on 95-1101
5-12603 L7 Phone Oscillator C011 Assembly & 95'1102) .
5-1379'9 L2 Oscillator Coil Assembly 57-1713 Record Changer Tum Plate
78.709 Octal Tube Socket
Condensers 18-801 Octal Tube Socket. [used only when 3525GT is
used)
32-3 ca .01 mo. Ceramic (Disc) (3 used} saw 78'3 mum Tube 50'3" (2 used)
22-4 C10 .004 we. Ceramic (Disc) (2 used) 500v 73-307 Miniature Tm" 50 (3 59d?
22 -5 cs no Mmm. Ceramic (Discflor za-mnsoov 73'3 Miniature Tube 50*
[32-178 Cg .05 Mid. ' 200v 78-910 Elect. Cond. Socket
22-829 C4 .05 Mid. [3 used) 2001! 39-330 Record Changer Mtg. Spring (4 uszd)
32-1182 C11 .01 Mid. 400v 85.499 51 Phone-Radio Switch [or 85-512)
2.2-2242. (316 Trimmer Cond. 94295 Guns a: Spkr. Mtg. Bushing (4 used)
22-22.72 C12,13.14 Elect. Cond. 20Mtd..150v x 40 mo. .. 150v 94-753 Bushing (4 used on 57-1113)
J 80 Mid. _ 150v 112-773 #6::3/8 Phil]. BuH.5.T. 5t. Br. (2 ea, used 011
zz_zz73 Cl Two Gang Variable 00nd, 5:1?65] & 24-566 & 4 need on 40.94)
22-2311 C17 100 Mmfd. Ceramic 500V 113-320 #8xé Phill. F1t..Hd. S.T. (4 used on each
105 -27 U] Couplnte Unit (or 1 ea. 22-3 3: 22-854 8: 40-93)
2 ea, 63-1393) 112-827 6-32x3/8 Phill. Flt. Hd. S.T. Br. (3 ,used I
on Dial Scale Mtg)-
Resistors 112-828 6-20x7/8 pm. no. He. sur. (4 used on
: 5'? 4713]
63-1z19m4 22 ohm w.w. 1/2w 20% Ins. Res. 114-39 #8x1/4" Hex Hd. S.T. (used 01112-1812)
53-1574 R13 1000 ohm m; 207, Ins. Res. H4542 #10-32xl-l/4" Hex Washer Hd. Cad. (4 used
63-1782 R8 320 ohm 1/23? 10% Ins. Res. chasm Mtg)
63-1786 R5 1000 all, l/ZW 1,15 Res. 125-8! Strain Relief Groznxnet
63-1800 R1 1 2200 ohm 1/23? 20% Ins. Res. 135-82 Strain Relief Gromet
1.3-1323 Ra 10K ohm(3 used)1_/2W 20% Ins. Res. 126-674 Dial Light Shield
63-134239 22K ohm 1/zw 20% Ins. Res. 138-45 Cabinet Grill
63-1856R15 47K ohm(2 used) l/ZW 20% Ins. Res. 188 '34 Retaining Ring (used on 63-2269}
63 -l 936 R3 2.2 Megohm(3 used) new 20% Ins. R35, 196 ~172 Speaker Gasket
53-1940 R7 4,7 Megohm 1/2! 20% Ins. Res. 2029858 Instruction'Book (Radio-Phono)
63-1961 R1 15 Megohm' l/ZW 30% Ins. Res. 544041 Cobra~Matic Record Changer
63-197? R12 150 ohm WI 10% Ins. Res. 34 5780 Cobra. Cartridge AsSembly
63-2269R10 Tone Control 8-1641? Record Adapter Plug 82 Envelope Assembly
63-2210 R6 Volume Control 8: Switch. 5-17551 L1 Wovemagnet Assembly