Arvin 655SWT Schematic

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Product Information:
Model:655SWT
Manufacturer:Arvin (Noblitt-Sparks)
Description:RE-327

Schematics Content:

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Page 1:

yPAGE 23-26 ARVIN
MODEL GBSSWT, Ch. RE-327

SPECIFICATIONS
FREQUENCY POWER OUTPUT
Broadcast (AM) . 540-1600 KC Undistorted 10 Watts
Shortwave (SW) .6.0-180 MC Maximum . l5 Watts
Speaker Voice Impedance .................................... 3.2 ohms
TUBES AND FUNCTION OPERATING CONTROLS
12BE6 .. Converter l. Left Knob
lZBA6 LF. Amplifier 2. Center Knob Shortwave-Broadcast
. 12AV6 Det. lsr Audio 3. Right Knob ,, Tuning
SOCS .. . Output
35W4 Rectifier
PHYSICAL DIMENSIONS
Length 137/3 inches
Height . 65/3inches

Depth _ 75A; inches

TECHNICAL INFORMATION FOR SERVICE MEN

AM Tuning range-540 Kc to 1600 Kc. Intermediate Frequency-455 Kc. I.l". and R.F. measurements made at 500 milli-
watts output-approximately 1.27 volts on a rectifier type voltmeter connected across speaker voice coil.

Approximately input for 500 MW output: Rf. with standard loop: at 600 Kc, 480 uv/m, at 1000 Kc, 360 uv/m; at

Output meter connection
Output meter reading t
Generator Modulation ..... ~
Position of volume contro ,

cross speaker voice coil
1127 volts

. a, 400 cycles
.Fully clockwise

Set band switch..........,..... o left for AM alignment, to right or SW alignment
AM Alignment
Position ( high ) Generator Ad iust Trimmer
of Generator Dummy Generator Connection In Order Shown Trimmer
Variable Frequency Ant. Connection Ground Lead For Max. Output Function

Open 455 Kc .05 mid. Mixer Grid Floutin Grnd. A1, A2, A5, A4, LF.

Open 1670 Kc Test Loop Test p A6 Oscillator
Closed 535 Kc Test Loop Test Loop A5 Osc. Pad.
1400 Kc 1400 Kc Tent Loop Test Loop A7 Antenna

_me 600 Kc Test Loop Test Loop A5 Osc. Pad.

Connect generator lead to a Standard Hazeltine Test Loop, Model 1150, place two feet from the set loop, or three turns of
wire about six inches in diameter, placed about one foot from the set loop.

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 A.V.C, action of the receiver ineEective.

(C) John F. Rider

Page 2:

ARVIN P
MODEL 6558WT, Ch. RE-327

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(C)John F. Rider

Page 3:

PAGE 23-28 ARVIN

MODEL 655SWT, Ch. RE-327

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