Fonotalk Corp. 500 BI Schematic

Fonotalk Corp. 500 BI

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Product Information:
Model:500 BI
Manufacturer:Fonotalk Corp.

Schematic Pages

PNG: Page 1 Rider Manual Volume 18

Schematics Content

Page 1:

FONOTALK CORP.

MODELS 500 BI, 500 BW

PARTS LIST PART NO. DESCRIPTION
1C2 Loop antenna assembly
18B6 Tuning gang condenser
12Y4 lst I.F. transformer 456 KC
12Y8 2nd I.F. transformer 456 KC
15Y11 Two section electrolytic cond.
26Y3 Vol. cont. & Switch 1 megohm
20Y5 Oscillator coil
45B6 5 " PM dynamic speaker
66-1 Pilot lamp 6-8 volt type 47

NOTE: All DC voltages measured with 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 rocket contact indicated. All voltages are positive DC unless otherwise marked. Volume control full on. Lid voltage 117 volte AC.

ALIGNMENT PROCEDURE

The following equipment is necessary to properly align this chassis:
1. A signal generator which will provide an accurately calibrated signal at the frequencies listed.
2 An output meter.
3. A non-metallic screwdriver.
4. Dummy antenna: -1 mfd., - 10 mmf.