Brand: KENWOOD
Category: Audio
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for UD-701 / UD-751M
Uploaded: Nov. 21, 2025, 7:26 p.m.
Warranty Information
Warranty information not explicitly stated in the provided pages.
- Before Applying Power: Unpack carefully, check for damage, and ensure proper AC voltage selection.
- System Connection: Connect all components before plugging into the power outlet, following the diagram for vertical or horizontal arrangement. Ensure secure cord connections.
- Speaker Connection: Connect speakers to the power amplifier/graphic equalizer unit, paying attention to polarity and using the correct color-coded cords.
- Antenna Connection: Connect AM and FM antennas according to the instructions for different regions.
- Basic Operation: Use the remote control or unit controls to select input sources, adjust volume, tune stations, play CDs, and operate the cassette deck.
- Timer Functions: Set timers for automatic power on/off and sleep functions.
- Maintenance: Clean heads and pinch rollers, and handle cassette tapes and CDs properly.
Troubleshooting and error codes
| Symptom | Cause | Remedy |
|---|---|---|
| Remote control operation is not possible. | Batteries are exhausted. The remote control is too far apart from the system, the controlling angle is deviated or there is an obstacle in between. The parallel cord is not connected properly. There is no tape or CD set in the component to be played. An attempt is made to play the cassette deck which is recording something. The A/B switch is not set properly. |
Replace with new batteries. Operate the unit inside the remote controllable range. P. 18 Connect properly referring to "Connections". Set a tape or CD in the component to be played. Wait until the recording ends. Set the A/B switch properly. |
| Sound is not produced. | The speaker cords are disconnected. The volume control is set to the minimum position. The MUTE switch of the preamplifier/tuner unit is switched ON. The headphone plug is inserted into the jack. The parallel cord is not connected. |
Connect properly referring to "Connections". Adjust to an optimum volume. Switch MUTE OFF. Unplug the headphone plug. Check the connection of the parallel cord. P. 8 |
| Sound is not produced from the omni-top or main speakers. | The LINEAR ACOUSTIC control is turned to the fully clockwise or counterclockwise position. The speaker cords are disconnected. |
Adjust the control properly. P. 20 Connect properly referring to "Connections". P.9 |
| Sound is not produced through headphones. | The LINEAR ACOUSTIC control is turned completely to the MAIN position. The DUAL SOUND is OFF (indicator not lit). |
Adjust the control properly. P. 20 Press the DUAL SOUND key to ON. P. 43 |
| Environmental sound cannot be played. | The speaker cords are disconnected. | Connect properly referring to "Connections". P.9 |
| The STAND BY indicator blinks and sound is not produced. | The speaker cords are short-circuited. | Turn the power OFF, remove the short-circuit and turn the power ON again. |
| Sound is not produced from the left or right speakers. | The speaker cords are disconnected. The BALANCE control is turned completely to the left or right position. |
Connect properly referring to "Connections". Adjust the optimum left and right balance. P. 21 |
| Sound is not produced from the surround rear speakers or their volume is very low. | The rear speaker cords are disconnected. The surround play mode is not activated. The rear level is set to the minimum volume. |
Connect properly referring to "Connections". Activate a surround mode. Adjust the rear level. P. 75 |
| The clock display blinks without changing the figures. | There was a power failure. The power cord was unplugged from the outlet. |
Adjust the present time again. Adjust the present time again. P. 19 |
| Timer operation is not possible. | The present time has not been adjusted or there was a power failure. The timer ON time and OFF time have not been set. The timer execution was not set up. |
Adjust the present time referring to "Clock adjustment". Set the timer ON time and OFF time. P. 80 Press the EXE key to set the execution. |