Audience suitability
| Problem | Likely Cause | Solution (from the manual) | | :--- | :--- | :--- | | | Loose power cord or blown fuse. | Check the AC plug. Open the fuse holder next to the power inlet. Replace with 250V 5A slow-blow fuse. | | CD skips constantly | Vibration (because you tried to make it portable). | Place the unit on a solid, level surface . Do not put it on a cooler or soft ground. | | Loud hum through speakers | Ground loop or inverter noise. | If using a portable battery/inverter, switch to pure sine wave . If on AC, use a 3-prong to 2-prong ground lift adapter (temporarily). | | Remote control not working | Dead batteries or sensor blocked. | Manual says: Replace batteries. The IR sensor is behind the left side of the display panel. | | Tape deck eats tapes | Worn pinch roller (common in portable use due to dust). | Manual says: Clean the capstan and pinch roller with a cotton swab and isopropyl alcohol. | sony lbtd505 user manual portable