
Do you have a question about the Onkyo P-388F and is the answer not in the manual?
Instructions for replacing fuses, emphasizing using identical types and ratings for fire risk prevention.
Procedure for measuring insulation resistance between power supply and chassis GND on U.S.A. models.
Guidance on setting the voltage selector for worldwide models to match local power supplies.
Instruction to affix the correct rating label when replacing the power transformer T903.
Guidance on using specified screws for installing the power transformer T903 on the chassis.
Description of the power switch function and its indicator light behavior.
Details on the remote control sensor receiver for the RC-235S transmitter.
Explanation of the output attenuator switch for adjusting output level and left/right adjustment.
Information on the volume control knob and its operation via remote control.
Guide to selecting recording sources for tape decks, including MC, MM, TUNER, CD, OFF, and LINE.
How to use the input selector switch to choose program sources and indicator functions.