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Radio Repairs (technical notes) (Capacitor polarity info)

Did you know why most Antique Radios fail to work? TAKE A LOOK

Circuit Schematic Symbols

COMPONENT SYMBOL ALTERNATE
Antenna, Balanced
[Schematic Symbol]
Antenna, General
[Schematic Symbol]
[Schematic Symbol]
Antenna, Loop, Shielded
[Schematic Symbol]
Antenna, Loop, Unshielded
[Schematic Symbol]
Antenna, Unbalanced
[Schematic Symbol]
[Schematic Symbol]
Resistor, Fixed
[Schematic Symbol]
Resistor, Variable
[Schematic Symbol]
Battery
[Schematic Symbol]
Capacitor, Feedthrough
[Schematic Symbol]
Capacitor, Fixed, Nonpolarized
[Schematic Symbol]
Capacitor, Fixed, Polarized
[Schematic Symbol]
Capacitor, Ganged, Variable
[Schematic Symbol]
Capacitor, General
[Schematic Symbol]
Capacitor, Variable, Single
[Schematic Symbol]
Capacitor, Variable, Split-Stator
[Schematic Symbol]
Cathode, Cold
[Schematic Symbol]
Cathode, Directly Heated
[Schematic Symbol]
Cathode, Indirectly Heated
[Schematic Symbol]
[Schematic Symbol]
Cell
[Schematic Symbol]
Circuit Breaker
[Schematic Symbol]
Crystal, Piezoelectric
[Schematic Symbol]
Rectifier, Diode, General
[Schematic Symbol]
Female Contact, General
[Schematic Symbol]
Ferrite Bead
[Schematic Symbol]
Fuse
[Schematic Symbol]
Ground, Chassis
[Schematic Symbol]
[Schematic Symbol]
Ground, Earth
[Schematic Symbol]
Handset
[Schematic Symbol]
Headphone, Double
[Schematic Symbol]
Headphone, Single
[Schematic Symbol]
Inductor, Air-Core
[Schematic Symbol]
Inductor, Iron-Core
[Schematic Symbol]
Inductor, Tapped
[Schematic Symbol]
Inductor, Variable
[Schematic Symbol]
[Schematic Symbol]
Jack, Phone, 2-Conductor
[Schematic Symbol]
Jack, Phone, 3-Conductor
[Schematic Symbol]
Jack, Phono
[Schematic Symbol]
Lamp, Incandescent
[Schematic Symbol]
Lamp, Neon
[Schematic Symbol]
Microphone
[Schematic Symbol]
Photocell, Tube
[Schematic Symbol]
Rectifier, Tube-Type
[Schematic Symbol]
Speaker EM and PM
[Schematic Symbol]
[Schematic Symbol]
Switch, Momentary-Contact
[Schematic Symbol]
Switch, Rotary
[Schematic Symbol]
Switch, SPDT
[Schematic Symbol]
Transformer, Air-Core
[Schematic Symbol]
Transformer, Iron-Core
[Schematic Symbol]
Transformer, Tapped Primary
[Schematic Symbol]
Transformer, Tapped Secondary
[Schematic Symbol]
Transistor, Bipolar, npn
[Schematic Symbol]
Transistor, Bipolar, pnp
[Schematic Symbol]
Tube, Pentode
[Schematic Symbol]
Tube, Tetrode
[Schematic Symbol]
Tube, Triode
[Schematic Symbol]
Wires, Connected, Crossing
[Schematic Symbol]
[Schematic Symbol]
Wires, Not Connected, Crossing
[Schematic Symbol]
[Schematic Symbol]

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10/10/05