Panasonic CQ4330U CQ4330U User Guide - Page 20

Troubleshooting (Continued) ❐ Radio Trouble Much noise in FM stereo and monaural broadcasts. Preset station is reset. Cause/Step The antenna ground lead is not connected properly. a Connect the antenna ground lead properly. The radio antenna is not extended enough. a Extend fully the radio antenna. Battery cable is not correctly connected. a Connect the battery cable to the terminal that is always active. ❐ Cassette Tape Trouble No sound. Tape sound quality is poor. High tones are improperly emphasized. Reproduction of high tones is poor. Wow and flutter level is very high. Cause/Step Blank tape is inserted in the unit. a Insert recorded tape into the unit. Heads are dirty. a Clean heads. (See page 12) Poor quality tape. a Use better quality tape. Dolby B NR tape plays with Dolby B NR off. a Set Dolby B NR to ON. Metal type tape plays with normal mode. a Change Normal mode to Metal mode. Non-Dolby B NR tape plays with Dolby B NR on. a Set Dolby B NR to OFF. Normal type tape plays with Metal mode. a Change Metal mode to Normal mode. Heads are magnetized. a Demagnetize heads. (Ask a service representative for advice.) Tape running mechanism is dirty or out of order. a Clean tape running mechanism, or repair it. (Ask a service representative for advice.) ❐ Sound Setting Trouble No sound from left, right, front, or rear speaker. Left and right sounds are reversed in stereo listening. 20 CQ-4330U Cause/Step Left and right balance, or front and rear balance is off on one side. a Adjust balance/fader setting as appropriate. Cables are not correctly connected. a Connect the cables correctly. The right speaker wire is connected to the left speaker and the left speaker wire to the right speaker. a Connect the speaker wires to the correct ones.