Cx:a non-polar capacitor, power input capacitance interference
IC:integrated circuit module
Ux:an IC (Integrated Circuit Component)
Tx:the test point (factory test)
Spk1:Speaker (buzzer, speaker)
CY(Y capacitor: high-voltage ceramic capacitors, safety regulations)
CX(X capacitor: high-voltage film capacitors, safety regulations)
R117:Motherboard resistance, number 17.
T101:Transformer on the motherboard.
Q104(E, B, C): Transistor, E: Emitter, B: Base, C: Collector
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