Panasonic PV-D301 Service Manual page 20

5. Open the Cassette Cover fully.
6. Remove the tape slack by rotating the Takeup Reel Gear of the
cassette tape as shown in Fig. 4-3.
7. Take out the cassette tape.
8. Connect the Power or Battery to set the Mechanism to STOP
Position.
6.1.8. HOW TO USE TP BOARD
6.1.8.1. TP Board is required when:
1. performing "Tape Interchangeability Adjustment."
Fig. 4-3
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