Yamaha RX530/AVR55 User Manual

Information on critical components and leakage current measurement procedures.

Detailed technical specifications for the audio output and input stages.

Technical details for the FM tuner reception capabilities.

Technical details for the AM tuner reception capabilities.

Step-by-step guide for disassembling the receiver unit.

Preparation and initial checks before performing adjustments.

Test points and expected voltages for power supply verification.

Procedure for adjusting the idling current for power transistors.

Procedures for tuning and adjusting FM reception parameters.

Adjusting FM distortion, sensitivity, and discriminator balance.

Procedures for AM tuner and digital control section adjustments.

Schematics for the front end tuner circuits.

List of electrical components for LCD and main circuit boards.