Problems with the KD S5050 may be caused by the CD you're attempting to play.
The JVC KD S5050 is an in-car CD player and radio. As with all electronic equipment, problems can occur, but there may be a simple solution, so it is always worth troubleshooting the player yourself before making a potentially expensive service call. Some problems may be caused by the player itself but others may be related to the CD you are trying to play.
Instructions
1. Turn the volume knob clockwise to increase the sound level.
2. Press the "Eject" button to see if there is a CD in the slot.
3. Check to ensure the CD is inserted the right way up.
4. Try another CD.
5. Hold the "CD" button and press and hold "eject" for two seconds to unlock the CD player.
6. Hold the "Standby/On Attenuator" button and press and hold "Eject" for two seconds.
7. Hold the "Select" button and press and hold the "Standby/On Attenuator" button for two seconds to reset the unit.
8. Pull the control panel to remove it. Pull the trim plate to remove it. Insert the two handles that came with the unit into the slots on each side. Gently pull them apart and out to remove the unit from its case.
9. Check to see if the antenna plug is firmly inserted into the antenna terminal.
10. Follow the wires from the power cord to the battery. Check to ensure that the black lead is connected to the ground terminal and the yellow lead is connected to the positive terminal. The type of connection may vary but will usually be an o-ring that can be fitted over the bolt on the connector that connects the battery to the car.
11. Follow the speaker leads to the speakers and check the connections. The type of connection may vary depending on the speakers but will usually be a connector slot that must be slid firmly into place.
Tags: button press, button press hold, press hold, Attenuator button, Check ensure, connection vary