Sony Radio Cassette-Corder (140-8004) Troubleshooting Faxback Doc. # 31197 The unit does not operate. The supplied AC power adapter is not connected, and no batteries are in the battery compartment. Batteries are installed incorrectly. Cassette cannot be inserted. Improperly tape insertion. (Insert with exposed tape side up). < PLAY is depressed. Tape does not play when < PLAY is pressed. II PAUSE is engaged. Button REC cannot be depressed. No cassette in the holder. The cassette inserted has its tab removed. If so, cover the slot with plastic tape. << FF or >> REW has been depressed. No sound from speaker. An earphone is plugged in. The VOL control is turned down completely. The FUNCTION selector setting is correct. Poor playback, recording or erase quality. Dirty heads. Clean the illustrated portions with a cotton swab moistened with cleaning fluid or denatured alcohol. (SP/LB 3/9/96)