American Bosch 56 Schematic

American Bosch 56

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Product Information:
Model:56
Manufacturer:American Bosch (United American Bosch & Fred M. Link)

Schematic Pages

PNG: Page 1 Rider Manual Volume 1
PNG: Page 2 Rider Manual Volume 1

Schematics Content

Page 1:

American Bosh Magneto Corp.

Model 56 Battery Operated

C1. Trimming Condenser
C2. Antenna Condenser .00025 mf.
C3. Screen By-pass Condenser .5 mf.
C4. 2nd RF Tuning Condenser
C5. 3rd RF Tuning Condenser
C6. Detector Tuning Condenser
C7. 2nd RF Alignment Condenser
C8. 3rd RF Alignment Condenser
C9. Detector Alignment Condenser
C10. Grid Condenser .00025 mf.
C11. Detector By-pass Condenser .001 mf.
C12. Detector By-pass Condenser .001 mf.
C13. Filament By-pass Condenser .5 mf.
C14. Filament By-pass Condenser .5 mf.
C15. Screen By-pass Condenser .5 mf.
C16. Plate By-pass Condenser .5 mf.
C17. Plate By-pass Condenser .5 mf.

R1. Volume Control (Antenna) 10,000 ohms
R2. Volume Control (Screen) 50,000 ohms
R3. Filament Resistor 12.8 ohms
R4. Filament Resistor 12.8 ohms
R5. Filament Resistor 12.8 ohms
R6. 2nd RF Grid Resistor 250 ohms
R7. 3rd RF Grid Resistor 250 ohms
R8. Grid Leak 2 meg.
R9. Main Filament Resistor .55 ohms

T1. 1st Audio Transformer
T2. 2nd Audio Input Transformer
T3. 2nd Audio Output Transformer

L1. Variometer
L2. 2nd RF Coil
L3. 3rd RF Coil
L4. Detector Coil
L5. Detector Choke Coil

The table model is known as the model 56 and is to be used with the Bosch model 616 speaker. The console model (model 56AB) consists of the table model used in conjunction with the AB console. A type 612 speaker is used in the console.

Page 2:

AMERICAN BOSCH MAGNETO CORP.

Model 56