Allied Purchasing, Inc. 571X Schematic

Get a print!
Price: $8.00
In stock
Product Information:
Model:571X
Manufacturer:Allied Purchasing, Inc. (Aria)

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:

PAGE 17-10 ALLIED PURCH

ALLIED PURCHASING, INC.

Tam "_ no [\ m ,
. Su: WILT wb _..
s e L mow w Yu _
zum.; Elm _ _ `

Rider

Page 2:

ALLIED PURCH PAGE 17-11

ALLIED PURCHASING, INC. MODEL 571K
ALIGNMENT PROCEDURE
The following equipment is necessary to properly align this chassis:
1. A signal generator which will provide an accu- 3. A non-metallic screwdriver.
rately calibrated signal at the frequencies listed.
2. An output meter. 4. Dummy antenna: - ,1 mfd., _ 10 mmf.
CONNECTION DUMMY T0 TUNE
GENERATOR AT RADIO ANTENNA DIAL TRIMMERS REMARKS
IF 455 ke. 14Q7 grid .1 mfd. HF end [Fctlrjin?mlirs Tune to max-Ll
53,: . 14 I .d , Set limit of
u Rc. Q7 gri 10 mmf. LF end Osc. trimmer B band
1400 kc. 14Q7 grid 10 mmf. 1400 kc. Anti trimmerA Tune to max.

mrs was j

Tube Layout

1-14Q7 Oscillator and Mixer tube
1--50A5 Power Output tube'

Frequency Ranger." A , _ v540-1700 kc.
Intermediate Frequency ..... VY"455 kc.
Power Supplym..Y .105-125 volts AC-DC
Loudspeaker ...................................... 5-inch Dynamic
V.C. Impedance .......................... 3,5 ohms at 400 cycles

TUBE COMPLEMENT

Dial Mechanism

1-14A7 iF Amplifier tube
1--35Y4 Rectifier tube

1-] 4B6 Second Detector and First Audio tube

Electrical and Mechanical Specifications

Power Output (Undistorted)... .75 watts
Power Output (Maximum). ._ 1.5 watts
Tuning Drive Ratio ......................... 3 to 1
Rated Power Input".A . w n watts

(C)John F. Rider

Page 3:

PAGE 17.12 ALLIED PURCH

MODEL 571K ALLIED PURCHASING, INC..
SOCKET VOLTAGIS
TUBE POSITION 1 z a 4 5 s 1 s
14Q7 Osc. and Mixer 37.5 AC 99 99 _4,2 0 0` 0 24.5 AC
14A7 IF Amplifier 12.5 AC 99 99 0 0 0 0 24.5 AC
l 1436 2nd Det-_lst Audio 0 16 0 0 0 0 0 12.5 AC
50A5 Power Output 85 Ac 915 99 0 0 0 5_9 37.5 AC
35Y4 Rectifier 117 AC 112 AC 0 112 AC 0 0 112 85 Ac

NOTE: All DC voltages measured with a 1000 ohm-per-volt meter from ON-OFF
switch (_B) to socket contact indicated. All AC voltages are measured
from ON-OFF switch (-B) to socket contact indicated.

All voltages are positive DC unless otherwise marked.
Volume control full on.
Line voltage.il7 volts AC.

Parts Layout
('hassis Model 571K with
Loctal Tubes .
SEIVICI PARTS LIST I
Symbol Port No. Description Symbol Part N0~ Description
0.6 80318503 Cap., Mold. Paper, .05 mfd., 400 v- T-1 B-51010-1 Transformer Assy., 1st 1F
C-7 BD210503 Cap., Paper, .05 mid., 200 v. 'r-x B-51o11.1 Transformer Assy., 2nd IF
04,9 BD410103 Cap., Paper, ,01 mfd., 400 v. sP-l 0-51014 Speaker, 5-inch Dynamic, 350 ohm
(212, 13 BD410203 Cap., Paper, .02 mfd.. 400 v. 8.51162-1 shaft, Dial Drive
'C-ii BM78A101 Cap,, Mica, 100 mmf- A-51163 Spring Clip for Dial Drive Shaft
C~11 BM78A471 Cap., Mica, 470 mmf. A-51202 Link, Dial Drive
R-9 BRlGClSl Resistor, 150 ohm, 1/2 w. 8-51330-1 Rubber Channel
R-2 BRI7BI56 Resistor, 15 megohm, 1/3 w. A-51331 Spring, Dial Bracket
R4 BR17B223 Resistor, 22,000' ohm, 1/3 w. A-51778 Service Sheet
R-3 BR17B224 Resistor, 220,000 ohm, 1/3 w. A-51787 Spring, Cable
R-5 BR17B335 Resistor, 3.3 megohm, 1/3 w; A-51869 Antenna Reel Assembly
R-6 BRI7B685 ReSiStOT, 6-8 meSOhm, 1/3 W- L-IC D-54902 Permeability Tuner Assembly
A-2163 Cable, Dial Drive L~2 B-54903 Coil Assembly, Cathode
C-10 A-8948 Cap., Elec., 40-20 mid., 150 v. 0.28 3-54904-1 capacitor, Trimmer
R-4 3-9051-1 Control, Vol. & Sw., 500,000 ohm. B-55120>>1 Stud, for Dial Drive Link
rder parts not listed by specifying (l) Part Name, (2) Model Number (include number following dash), (3) Run Number

(C)John F. Rider

Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!