Full Panasonic service Manual, as described, no problems
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TCM-20DV
Pressman® Portable Cassette Recorder
v v v v � � � � � � � � � � � v DOUBLE RECORDING TIME VOICE OPERATED RECORDING (VOR) CLEAR VOICE� SOUND SYSTEM MIC JACK L/R MONAURAL EARPHONE JACK ONE TOUCH RECORDING LED (BATTERY LEVEL) FRONT SPEAKER AUTOMATIC SHUT-OFF CUE/REVIEW FUNCTION PAUSE SWITCH STOP PAUSE RELEASE FUNCTION HINGED BATTERY LID DC-IN JACK HAND STRAP ATTACHED STEP-UP FEATURE � NEW FEATURE