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Explains the function of the protection circuit and how to handle its activation.
Steps for removing the outer cabinet and the front panel.
Guides removal of Power Switch/Headphones PCB and FL Drive PCB.
Guides removal of Volume, Operation Switch, and Rear Panel PCBs.
Details removal of audio circuitry and power supply PCBs.
Steps for checking the main PCB and reassembling the front panel.
Procedures for removing power IC, regulator transistors, and the power transformer.
Guides removal of V. Control Amp PCB, transistor, and the fan motor.
Procedures for setting the voltage amplifier idling (ICQ) level.
Identifies test points and specifies adjustment VRs for the idling process.
Detailed diagram showing component placement on the main PCB.
Diagrams for V. Control Amp, Operation Switch, and Volume PCBs.
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General
