To Next PageTo Next PageWhy is my Pioneer A-307R Amplifier not turning on?
If your Pioneer Amplifier isn't getting power, first ensure the power plug is securely inserted into the outlet. Also, check if the amplifier is plugged into another component's power outlet (like a timer) and that the other component is powered on. Finally, make sure the AC INLET plug is fully inserted into the jack.
How to fix no sound on Pioneer A-307R Amplifier?
If you're not getting any sound from your Pioneer Amplifier, check that all connecting cords are securely connected to the terminals. Ensure that the terminals and pin plugs are clean. Make sure the TAPE 2 MONITOR button is set to OFF (unless you're using an adapter component). Verify that other components are operating correctly and that the INPUT SELECTOR matches the component you want to play (CD, TUNER, PHONO, LINE, TAPE 1/MD). Also, confirm that at least one of the SPEAKERS selector buttons is set to ON.
What to do if Pioneer Amplifier remote control is not working?
If the remote control for your Pioneer Amplifier isn't working, first replace the batteries. Ensure you're operating the remote within 7 meters and at an angle of 30 degrees of the remote sensor. Check that the remote control cord is correctly connected. Also, make sure no fluorescent light is shining directly on the amplifier's front panel remote sensor window.
Why is there no sound from one speaker on my Pioneer A-307R?
If you're only getting sound from one speaker on your Pioneer Amplifier, check the connecting cords or speaker cords on the side that isn't producing sound to ensure they are securely connected. Also, verify that the BALANCE control is set to the center position.
How to troubleshoot tape recording issues on Pioneer A-307R Amplifier?
If you cannot record tapes with your Pioneer Amplifier, ensure that all connections are properly reconnected. Make sure the TAPE 2 MONITOR button is set to OFF. If you are still experiencing issues, consult the operating instructions for the cassette deck.
What to do if I cannot copy tapes on my Pioneer A-307R?
If you're having trouble copying tapes with your Pioneer Amplifier, ensure that the INPUT SELECTOR knob and TAPE 2 MONITOR button are set correctly. If you are still experiencing issues, consult the operating instructions for the cassette decks.
General| Speaker load impedance | 4 - 16 ohms |
|---|---|
| Frequency Response | 5Hz to 100kHz |
| Total Harmonic Distortion (THD) | 0.08% |
| Signal-to-Noise Ratio | > 100 dB |
| Input Sensitivity | 150 mV |
| Output | Speakers |
Precautions for continued protection of customer and technician.
Importance of using specified replacement parts for safety.
Exploded view and parts list for product packing.
Exploded view of the external parts of the amplifier.
List of external parts for different models.
Comparison of parts across different models.
Overall connection diagram showing main assemblies and interconnections.
Schematic diagram for volume and headphone assemblies.
Schematic diagram for the AC primary assembly.
Schematic diagram for the AF (Audio Frequency) assembly.
Schematic diagrams for front L, front R, and optical assemblies.
PCB connection diagram for the volume assembly.
PCB connection diagrams for headphone and AC primary assemblies.
PCB connection diagram for the AF assembly.
PCB connection diagrams for the front L assembly.
PCB connection diagrams for front R and optical assemblies.
Comprehensive list of major PCB assemblies and their part numbers.
Detailed list of semiconductor and capacitor parts for the volume assembly.
Detailed list of parts for the headphone assembly.
Detailed list of parts for the AC Primary Assy.
Contrast table for AC Primary Assy parts.
Specific parts list for the AWX7113 assembly.
Contrast table for DAF Assy parts across models.
Detailed parts list for the AWX7119 assembly.
Procedure for adjusting idle current for amplifier stability.
Pin assignment and function details for the PD5443A IC.
Step-by-step instructions for disassembling the unit.
Block diagram illustrating the functional units of the amplifier.
Description and layout of the rear panel connections and ports.
Description and operation of front panel controls and indicators.
Technical specifications for amplifier performance and power.
Explanation of buttons and their functions on the remote control unit.
