If your Retrolife HQKZ-006 turntable is spinning too fast or too slow, your records may sound distorted or off-pitch. Fortunately, you can restore accurate playback by adjusting the motor speed. This guide explains the principle behind motor speed adjustment and provides step-by-step instructions to get your turntable spinning correctly.
Why Adjust the Motor Speed?
The motor drives the turntable platter, which controls the speed at which your vinyl spins. If the motor rotates too quickly or slowly, the record will play at the wrong pitch and tempo, affecting the music quality. By adjusting the motor’s rotation using its calibration holes, you can correct deviations caused by wear, belt tension, or slight manufacturing variations. This ensures the platter rotates at the correct 33 1/3 or 45 RPM for accurate playback.
Steps to Adjust the Motor Speed
Tools You’ll Need
- Screwdriver set (Phillips/flathead)
- Small flathead (1-head) screwdriver for motor adjustment
- Flashlight (optional, for better visibility)
Step 1: Open the Bottom Panel
Turn off and unplug the turntable.
Loosen the 6 screws on the bottom key board (refer to the numbers marked in the diagram/picture).
Gently lift the bottom plate to access the internal components.
Step 2: Locate the Motor
The motor is usually highlighted or circled in red in the diagram.
Step 3: Identify the Adjustment Holes
The motor has two calibration holes:
“L” hole → controls 33 1/3 RPM speed
“H” hole → controls 45 RPM speed
Step 4: Adjust the Motor Speed
Insert the 1-head screwdriver into the desired adjustment hole.
Turn clockwise → decreases speed (slower)
Turn counterclockwise → increases speed (faster)
⚠️ Tip: Make small adjustments at a time and test playback after each turn to avoid over-correcting.
Step 5: Test and Fine-Tune
Reassemble the bottom plate lightly.
Play a record or use a strobe disc or smartphone app to check RPM accuracy.
Repeat adjustments until the platter spins at the correct speed.
Maintenance Tips
Keep the motor area clean to prevent dust from affecting rotation.
Apply a drop of light oil to the motor shaft if it feels dry.
Check the belt for wear; replace if necessary to maintain consistent speed.
Store the turntable in a dry, dust-free environment to protect both the motor and your records.
Conclusion
Adjusting the motor speed of the Retrolife HQKZ-006 turntable with Bluetooth output is straightforward with careful attention. By following these steps, you can restore accurate RPM for 33 1/3 and 45 records, ensuring your vinyl sounds exactly as it should.
If speed issues persist after adjustment, contact Retrolife customer support for assistance.