Arvin 651T Schematic

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Product Information:
Model:651T
Manufacturer:Arvin (Noblitt-Sparks)
Description:RE-323

Schematics Content:

Please note: this content is a computer-generated interpretation of the above schematic and is provided only to help assist you in locating this schematic. For the actual text, please consult the schematic above. Thank you.

Page 1:

SPECIFICATIONS

FREQUENCY RANGE
Broadcast . 540-1600 kc
TUBES AND FUNCTIONS

5 5W4 Rectifier

POWER SUPPLY
105-125 Volts, ACDC, 35 Watts

POWER OUTPUT
Undistorted
Maximum

THE ANTENNA

This receiver has _a built-in loop which gives satisfactory
mnce from a broadcasting station or where the electrical
lead on the loop will improve reception.

This receiver is designed to operate without a ground connection and no attempt should be made to use one.

ALIGNMENT PROCEDURE

Output meter connection.. speaker voice coil
Output meter reading to indicate 500 milliwatts (standard output) .................................................................................. 1.27 volts
Dummy antenna value to be used in series with generator __________________ See chart below
Connection of generator output lead ........................................................................................................................... See chart below
Connection of generator ground lead ................................................................... Flaming ground

Generator modulation ............................................

Position of volume control ..........

Position of dial pointer with variable fully closed

reception in most locations. If the receiver is located some dis-
interference is high, an outside antenna connected to the pickup

MODEL 6511*, ch. Ria-32.3'

LOUD SPEAKER
Type: Permanent magnet
Size: 5 Inch
Voice coil impedance .......................................... 3.2 Ohms

CHASSIS FEATURES
Automatic Volume Control
Built-in Loop
Underwriters' Listed

OPERATING CONTROLS
I. Left knob
2. Right knob

PHYSICAL DIMENSIONS
Length
Height
Depth .

. ON-OFF Sw and Volume
_____________________________ Tuning

Ili/4 inches
_ 7 inches
s 6 inches

YY30% 400 cycles
............... Fully clockwise
......................................... Last mark at left end of dial

(C) John F. Rider

Page 2:

PAGE 23-30 ARVIN _ ..._ _... --
MODEL 651T, Ch. REI-323

ALIGNMENT PROCEDURE

Output meter connection ............................................................................................................................... Across speaker voice coil
Output meter reading to indicate 500 milliwatts (standard output) ................................................................................. 1.27 volts
Dummy antenna value to be used in series with generator output .......................................................................... See chart below

.See chart below

Connection of generator output lead .................................................................

Connection of generator ground lead Floating ground
Generator modulation ........................ "50% 400 Cycles
Position of volume control ........................................... >> ................................................................................................. F ully clockwise
Position of dial pointer with variable fully mark at left end of dial
Position Frequency Generator Trimmers Adiusted Function
of of Dummy Output in Order Shown for of
Variable Generator Antenna Connection Maximum Output Trimmer
Open 455 .05 mfd. 12BE6 Grid Al, AZ, A5, A4 IF
1400 l400 *Test Loop A5, A6 on Osc,
Variable Condenser Ant.
600 600 *Test loop Check Point

*Standard Hazeltine Test Loop Model 1l50 or 3 turns of wire about 6" in diameter placed about one foot from the set

The alignment procedure should be repeated in the original order for greatest accuracy. Always keep the output from
the signal generator at its lowest possible value to make the AVC action of the receiver ineEective.

0

VOLUME CONTROL
i. SWITCH

TU BE LAYOUT

0F PARTS UNDER CHASSIS

(C) John F. Rider

Page 3:

ARVIN
MODEL 651T, Ch. RE-323

moon wqm? wme S5,

(C) John F.

Page 4:

PAGE 23-32 ARVIN

HOW TO ORDER PARTS

parts should be ordered by Arvin part number, description and model number of receiver from your Arvin
Distributor. The Distributor will order from the factory.

Parts shipments are F.01B1 Columbus, Indiana. Prices are subiect to Change without notice.

REPLACEMENT PARTS LIST FOR 65`IT

Puri Schematic Par' Sehemafie
Number Location Description list Number Location Description Us?
Capacitor: AD25559-1 Baile ass'_y. with cloth St
C25 569 C1, A, B Capacitor, variable 2.25 mmm" S 310
c23470 c11 capacitor, Elect. 20-40-20 150V 1.45 _ Ebony fCh-sold Cloth)
c20065-251 cs capacitor, Mica 250 mmf. soov .15 ADZ>559~3 Bnnlo "SW Won dofn Bl.
C20067-503 C2, C10 Capacitor, paper tubular, .05 mf. nmlwrd? 340
C20068 503 C5' C4 Caxg?or' P3P" wma" 05 mf _Zo A255501 Knobs, ivory .50
(220068-103 C6, Cs Capacitor, paper tubular, .01 mf. AZSSSH Knobs. willpw g_reen 430
400V _20 A255586 Knobs, California Tan .30
A202306 c12 Capacitor, 4.7 mmf. .10 A255584 Knobs' Ebony , -50
A240554 C_p_ Couplate _50 D25579 Numerals Dial (Specify Number) .25
D25556-1 Pointer, Ivory 1.50
Resistors D25556-Z Pointer, Willow Green 1.50
C20061_223 R1 Resiston 22 K 1/2W_ 20% _10 D25556-3 Pointer, California Tan 1.50
(220061-225 R2 Resistor, 2,2 mcg. 1/2W. 20% .10 [3255564 Polnfofi Ebony 1-50
C20061-151 R5 Resistor, 150 1/2 W. 20% .10 D25572 L1 Antenna loop & rear Cover 1.50
C20120-121 R11 Resistor, 120 VZW. 10% .10 B23456 Antenna loop mtg. brkt. .10
(220061-150 R12 Resistor, 15 14W. 10% .10 ?25565 Carton 81 filler .75
C20070-121 R15 Resistor, 120 1W. 10% .10 AC24210-1 LZ Coil, Oscillator .60
C20070-122 R14 Resistor, 1200 1W. 10% .10 CZOISB-IG Cord, line .45
C20061-470 R15 Resistor, 47 l/2W. 20% .10 A19351 Dial light bulb No. 47 .20
(220061-475 R7 Resistor, 4.7 meg. l/ZW. 20% .10 A25481-2 Dial light socket .55
C20061-222 R8 Resistor, 2200 l/zW. 20% ,10 A202453 Socket, wafer, center pin
_ shielded .15
Cubin" PM" A202434 Socket, wafer, plain 115
A25579-1 Arvin Name .20 (223467 Speaker 5" 5.00
R25546-1 Cabinet, Ivory 4.20 AD25574-1 Speaker hrkt. Bt pointer shaft
R25546-Z Cabinet, Willow Green 4.20 ass'y. 1.15
R25546-3 Cabinet, California Tan 4.20 A140474 Spring Clip mtg. LF. transf.
11255464 Cabinet, Ebony 4.20 (5 for) .10
AD25559-l Bame ass'y. with Cloth & C21797-16 T1, T2 Transformer LI". 1.20
numerals 3.10 A19561 Tuning shaft hair pin Clip (lOfor) .15
Ivory (Ch-gold cloth) AC25464-1 T3 Transformer output 1125
AD25559-2 BaEle ass'y. with cloth 81 C25576 R6 Volume Control 1 meg. IAW.
numerals 3.10 20% 1.00
Willow Green (green-gold cloth) A2557S Tuning shaft .30

(C) John F. Rider

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