American Bosch 63 Schematic

American Bosch 63

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Product Information:
Model:63
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 BOSCH MAGNETO CORP.

Schematic Diagram of Model 63 Receivers

Page 2:

AMERICAN BOSCH MAGNETO CORP.

Model 63 Receiver

R1 - Antenna Resistor 500 ohms
R2 - De-coupling Resistor 1,000 ohms
R3 - Untuned Transformer Resistor 50,000 ohms
R4 - De-coupling Resistor 1,000 ohms
R5 - 3rd RF Cathode Resistor 600 ohms
R6 - Detector Resistor 1,000 ohms
R7 - Detector Cathode Resistor 50,000 ohms
R8 - Detector Plate Resistor .5 meg.
R9 - Volume Control .5 meg.
R10 - 1st and 2nd RF Bias Resistor 1 meg.
R11 - Bias Control Resistor 1 meg.
R12 - Filament Resistor 1.8 ohms
R13 - AVC Screen Resistor 20,000 ohms
R14 - Voltage Divider Resistor 150 oh ms
R15 - Voltage Divider Resistor 900 ohms
R16 - Voltage Divider Resistor 5,000 ohms
R17 - Voltage Divider Resistor 20,000 ohms
R18 - Filament Resistor 18 ohms
R19 - Filament Resistor 18 ohms
R2O - Filament Resistor 18 ohms
R21 - Tone Control Resistor .5 meg.
R22 - Voltage Divider Resistor 1,400 ohms
R23 - Voltage Divider Resistor 2,600 ohms
R24 - Voltage Divider Resistor 250 ohms

C1 - 1st RF Tuning Condenser
C2 - 1st RF Tuning Condenser
C3 - 3rd RF Tuning Condenser
C4 - 3rd RF Tuning Condenser
CS - Detector Tuning Condenser
C6 - Antenna Trimmer Condenser
C7 - 1st RF Alignment Condenser
C8 - 3rd RF Alignment Condenser
C9 - 3rd RF Alignment Condenser
C10 - Detector Alignment Condenser
C11 - Ground Series Condenser .0001 mfd.
C12 - 1st RF Coupling Condenser .04 mfd.
C13 - 2nd RF Condenser .5 mfd.
C14 - Cathode By-pass Condenser .5 mfd.
C15 - 3rd RF Coupling Condenser .04 mfd.
C16 - 3rd RF Cathode Condenser .5 nsfd,
C17 - Detector Condenser .04 mid.
C18 - Detector Cathode Condenser 1 mfd.
C19 - Detector Plate Condenser 1 mfd.
C2O - Detector Plate Condenser .0001 mfd,
C21 - Detector Plate Condenser .0001 mfd.
C22 - Audio Coupling Condenser .006 mfd.
C23 - Plate By Pass Condenser .25 mfd.
C24 - Screen By Pass Condenser .ZS mfd.
C25 - Plate By Pass Condenser .5 mfd.
C26 - AVC Plate By Pass Condenser .006 mfd.
C27 - AVC Screen Condenser .5 mfd.
C28 - Filter Condenser 4 mfd.
C29 - Filter Condenser 4 mfd.
C3O - Tone Control Condenser .006 mfd.

T1 - Input Transformer

B1 - AVC Plate Battery 22 1/2 volts
B2 - 2nd Audio "C" Battery 22 1/2 volts

S1 - Local Distance Switch
S2 - Phono Switch
S3 - Main Switch
S4 - Mute Switch