To Next PageTo Next PageWhat to do if there is no audio from Panasonic SU-HTB485EB main set speaker but video is present?
If you have video but no sound from the main speakers of your Panasonic Stereo System, verify the HDMI audio line, ensure parts are properly soldered, check the HDMI audio setting, confirm the TV speaker selection setting, and ensure the player audio output is set to ON.
How to fix Panasonic Stereo System when power does not turn on?
If your Panasonic Stereo System is not turning on, check the cable connection from the Button PCB to the Main PCB. Also, check the cable connection at the 3P connector (CN6113) of the Button PCB and the 5P connector (CN6105) of the Main PCB. Inspect the wire condition of the cable connecting the Button PCB to the Main PCB, and check the continuity of the 3P cable wire. Verify the voltage across the power switch and inspect the switching power module AC inlet solder condition and AC cord insertion condition.
Why is there no sound from my Panasonic Stereo System SB-HWA480 subwoofer?
If you are not getting any sound from the SB-HWA480 subwoofer of your Panasonic Stereo System, check the wireless connection between the main unit and the subwoofer.
What to do if Panasonic SU-HTB485EB power input but turns off immediately?
If your Panasonic Stereo System powers on but immediately turns off, check each DC supply output voltage.
How to troubleshoot no audio output with HDMI/ARC on Panasonic SU-HTB485EB Stereo System?
To troubleshoot no audio output with HDMI/ARC support on your Panasonic Stereo System, check the ARC circuit and HDMI cable. Also, check the [HDMI]-[Main Digital Amplifier] 30P FFC connector.
What does error F76 mean on my Panasonic Stereo System, and how do I fix it?
If your Panasonic Stereo System displays error F76 and powers off, check each DC supply output voltage (e.g., +13V, +6V, +5V, +3.9V, +3.3V, +1.8V).
What to do if the wireless link light on my Panasonic Stereo System is red?
If the wireless link light on your Panasonic Stereo System is red, power cycle the main unit and subwoofer.
How to resolve no audio output from HDMI input 1 on Panasonic SU-HTB485EB Stereo System?
If there is no audio output from HDMI input 1 on your Panasonic Stereo System, check the [HDMI]-[Main Digital Amplifier] 30P FFC connector.
How do I fix no audio output from OPT input 1 on Panasonic Stereo System?
If you're experiencing no audio output from OPT input 1 on your Panasonic Stereo System, check the OPT terminal and OPT cable. Also, check the [Main Digital Amplifier] JK1601 (1)?3.3V output (3) SPDIF waveform.
What does it mean when my Panasonic Stereo System has power but displays an FL error?
If your Panasonic Stereo System has power but shows an FL display error, check the [Main] board and communication error or consider exchanging the [BT] module.
General safety advice for servicing and handling the equipment.
Specific precautions related to the AC power cord for EB models.
Procedures to follow before starting repair or adjustment work.
Explanation of the protection circuitry and its operation.
Important cautions to observe when replacing fuses.
Details on safety-critical components and their identification.
Guidelines to prevent damage to sensitive electronic components from static discharge.
Precautions for servicing using lead-free solder, considering environmental regulations.
General information about the service manual's content and ordering procedures.
Details on the audio output power and amplifier characteristics.
Information on input/output terminals and supported interfaces.
General specifications like power consumption and dimensions.
Specifications related to the speaker drivers and types.
Details on the wireless module's frequency range and channels.
Specifications for the Bluetooth system, version, and profiles.
Explanation of button functions on the main unit and active subwoofer.
Description of the functions of each button on the remote control.
Details on accessing and using Service Mode Table 1 for diagnostics.
Details on accessing and using Service Mode Table 2 for diagnostics.
Table showing how software versions are displayed in Service Mode.
Table indicating how model names are displayed in Service Mode.
Table showing region codes displayed in Service Mode.
List of error codes and their corresponding diagnostic meanings.
A flowchart to guide troubleshooting of unit malfunctions.
Specific troubleshooting steps for wireless connectivity issues.
Steps to troubleshoot issues with the HDMI module.
List of necessary service tools and fixtures for repair.
Flowchart outlining the disassembly process for internal inspection.
Information on different types of screws used in the unit.
Diagrams showing the location of major parts within the units.
Step-by-step guide for disassembling the main speaker unit.
Step-by-step guide for disassembling the active subwoofer.
Procedures for checking components in the main speaker unit.
Procedures for checking components in the active subwoofer.
Block diagrams illustrating the system control, HDMI, audio, and power supply for the main unit.
Block diagrams for the active subwoofer's audio, power supply, and overall system.
Diagram showing wiring connections for the main speaker unit.
Diagram illustrating wiring connections for the active subwoofer.
Notes and symbols used in the schematic diagrams.
Detailed circuit schematics for the main speaker unit components.
Detailed circuit schematics for the active subwoofer components.
PCB layout diagrams for the main speaker unit components.
PCB layout diagrams for the active subwoofer components.
Voltage measurement values for various points in the main speaker unit.
Voltage measurement values for various points in the active subwoofer.
Exploded views showing cabinet part locations for SU-HTB485.
Exploded view showing cabinet part locations for SB-HWA480.
Lists of mechanical parts for the main unit and subwoofer.
Lists of electrical components for the main speaker unit.
General safety advice for servicing and handling the equipment.
Specific precautions related to the AC power cord for EB models.
Procedures to follow before starting repair or adjustment work.
Explanation of the protection circuitry and its operation.
Important cautions to observe when replacing fuses.
Details on safety-critical components and their identification.
Guidelines to prevent damage to sensitive electronic components from static discharge.
Precautions for servicing using lead-free solder, considering environmental regulations.
General information about the service manual's content and ordering procedures.
Details on the audio output power and amplifier characteristics.
Information on input/output terminals and supported interfaces.
General specifications like power consumption and dimensions.
Specifications related to the speaker drivers and types.
Details on the wireless module's frequency range and channels.
Specifications for the Bluetooth system, version, and profiles.
Explanation of button functions on the main unit and active subwoofer.
Description of the functions of each button on the remote control.
Details on accessing and using Service Mode Table 1 for diagnostics.
Details on accessing and using Service Mode Table 2 for diagnostics.
Table showing how software versions are displayed in Service Mode.
Table indicating how model names are displayed in Service Mode.
Table showing region codes displayed in Service Mode.
List of error codes and their corresponding diagnostic meanings.
A flowchart to guide troubleshooting of unit malfunctions.
Specific troubleshooting steps for wireless connectivity issues.
Steps to troubleshoot issues with the HDMI module.
List of necessary service tools and fixtures for repair.
Flowchart outlining the disassembly process for internal inspection.
Information on different types of screws used in the unit.
Diagrams showing the location of major parts within the units.
Step-by-step guide for disassembling the main speaker unit.
Step-by-step guide for disassembling the active subwoofer.
Procedures for checking components in the main speaker unit.
Procedures for checking components in the active subwoofer.
Block diagrams illustrating the system control, HDMI, audio, and power supply for the main unit.
Block diagrams for the active subwoofer's audio, power supply, and overall system.
Diagram showing wiring connections for the main speaker unit.
Diagram illustrating wiring connections for the active subwoofer.
Notes and symbols used in the schematic diagrams.
Detailed circuit schematics for the main speaker unit components.
Detailed circuit schematics for the active subwoofer components.
PCB layout diagrams for the main speaker unit components.
PCB layout diagrams for the active subwoofer components.
Voltage measurement values for various points in the main speaker unit.
Voltage measurement values for various points in the active subwoofer.
Exploded views showing cabinet part locations for SU-HTB485.
Exploded view showing cabinet part locations for SB-HWA480.
Lists of mechanical parts for the main unit and subwoofer.
Lists of electrical components for the main speaker unit.
General| Brand | Panasonic |
|---|---|
| Model | SU-HTB485EB |
| Category | Stereo System |
| Type | Soundbar |
| Channels | 2.1 |
| Bluetooth | Yes |
| HDMI Inputs | 1 |
| HDMI Output(s) | 1 |
| Optical Input | 1 |
| USB Playback | Yes |
| USB Port | 1 |
| FM Radio | No |
