To Next PageTo Next PageWhat to do if Bluetooth pairing fails on Panasonic Stereo System?
If you are experiencing Bluetooth pairing failures with your Panasonic Stereo System, you can try to perform a cold start. If the issue persists, consider replacing the Main PCB.
How to fix no key function on Panasonic SA-AKX220PN Stereo System?
If the key functions are not working on your Panasonic Stereo System, check and ensure that the panel connector is properly inserted. If the problem continues, you might need to change the Main PCB or the Panel PCB.
General| Brand | Panasonic |
|---|---|
| Model | SA-AKX220PN |
| Category | Stereo System |
| Language | English |
General safety guidelines for servicing the equipment, including important safety notices.
Procedure for checking leakage current when the unit is unplugged and the AC cord is jumpered.
Procedure for checking leakage current with the unit plugged into an AC outlet.
Precautions to take before performing repairs and adjustments, including capacitor discharge.
Information on the unit's protection circuitry and the procedure to follow if it activates.
Details about the Switching Mode Power Supply (SMPS) module used in the unit.
List of safety-critical parts marked with A, essential for preventing hazards.
Guidelines to prevent damage from static discharge to sensitive electronic components.
Safety precautions when working with the laser diode to avoid hazardous radiation exposure.
Information on the use and properties of lead-free solder for environmental conservation.
Specific handling precautions for the traverse unit to prevent damage from static electricity.
Methods for preventing electrostatic discharge during servicing, including worktable and human body grounding.
General information for service personnel regarding the manual and circuit modifications.
Step-by-step guide for updating the unit's software via a USB device.
Explains the function of each button on the remote control for the SA-AKX220.
Explains the function of each button on the main unit for the SA-AKX220.
Procedure to perform a cold start or initialize the unit to shipping mode.
How to enter and cancel the sales demonstration lock mode on the unit.
Table detailing various modes accessible in Doctor Mode for testing and diagnostics.
How to enter and use the self-diagnostic mode for checking errors.
Table listing error codes and their meanings for self-diagnosis.
Flowchart for diagnosing and resolving no power or no display issues.
Flowchart for diagnosing and resolving Bluetooth pairing failures.
Flowchart for diagnosing and resolving issues with unresponsive keys.
Flowchart for diagnosing and resolving issues with the remote control.
Flowchart for diagnosing and resolving USB device detection problems.
Flowcharts for diagnosing and resolving no sound issues across different modes.
Identifies specific check points on the Power PCB and Main PCB for voltage measurements.
Lists the types of screws used in the unit for assembly and disassembly.
Provides a flowchart outlining the sequence of disassembly steps for the unit.
Shows the locations of major components and printed circuit boards within the unit.
Step-by-step instructions for removing the top cabinet.
Step-by-step instructions for removing the front panel unit.
Instructions for removing the panel printed circuit board.
Instructions for removing the USB printed circuit board.
Instructions for removing the music port PCB, specific to AKX440 models.
Instructions for removing the rear panel.
Instructions for removing the main printed circuit board.
Instructions for removing the SMPS (Switched-Mode Power Supply) module.
Instructions for removing the CD mechanism unit.
Instructions for removing the CD interface printed circuit board.
Procedure for checking the panel and main PCBs.
Procedure for checking the SMPS module.
Block diagram illustrating the system control signal flow.
Block diagram illustrating the audio signal path.
Block diagram illustrating the power supply circuit.
Notes and symbols used in the schematic diagrams.
Detailed schematic of the main Micon circuit (part 1 of 3).
Detailed schematic of the main Micon circuit (part 2 of 3).
Detailed schematic of the main Micon circuit (part 3 of 3).
Schematic of the main circuit related to USB functionality.
Schematic of the main circuit for tuner and AUX inputs.
Schematic of the main circuit for DSP and Bluetooth functionality.
Schematic of the main circuit responsible for damp (speaker protection).
Schematic of the main voltage regulator circuits.
Schematic of the panel circuit, including buttons and display.
Schematics for USB, CD interface, and music port circuits.
Layout diagram of the main printed circuit board.
Layout diagrams for panel, USB, CD interface, and music port PCBs.
Standard voltage values for various test points on the main PCB.
Voltage measurement table for Main P.C.B. (part 1 of 3).
Voltage measurement table for Main P.C.B. (part 2 of 3).
Voltage measurement table for Main P.C.B. (part 3 of 3).
Voltage measurement table for the Panel P.C.B.
Exploded view showing the location of cabinet parts (1/2).
Exploded view showing the location of cabinet parts (2/2).
Details on how the SC-AKX220PN/PS unit is packaged.
Details on how the SC-AKX440PN/PS unit is packaged.
List of mechanical replacement parts with part numbers and descriptions.
List of electrical replacement parts with part numbers and descriptions.
