Solution: If the red wires of the two capacitors are separated, the diodes don't need to touch, just unplug the two red wires, switch them on and off, and then plug them in.
The lower left corner is the wiring diagram, which leads out some transformer secondary windings (S0 is directly fixed on the transformer core). This number is the terminal structure. Similarly, the filament coil is usually red, red-black, red-white silica gel wire, and the wire core is a wire with a wire diameter of 1.0.
Extended data:
Precautions:
1. coupling: the capacitance used in the coupling circuit is called coupling capacitance, which is widely used in capacitive coupling circuits such as resistance-capacitance coupling amplifiers to isolate DC and AC.
2. Filtering: The capacitor used in the filtering circuit becomes the filtering capacitor. This capacitor circuit is used in power filter and various filtering circuits, and the filtering capacitor removes the signal of a certain frequency band from the total signal.
3. Decoupling: The capacitance used in the decoupling circuit is called decoupling capacitance. This capacitor circuit is used in DC voltage supply circuit of multistage amplifier.
4. High-frequency vibration elimination: Capacitors used in high-frequency vibration elimination circuits are called high-frequency vibration elimination capacitors. In the audio negative feedback amplifier, in order to eliminate the high-frequency self-excitation that may appear in the vibration elimination circuit, the capacitor circuit is used to eliminate the high-frequency noise that may appear in the amplifier.
5. Resonance: The capacitor used in LC resonant circuit is called resonant capacitor, which is needed in both parallel resonant circuit and series resonant circuit of LC.