Step  | Action  | Yes  | No  | 
|---|---|---|---|
1  | Verify the customer's complaint. Does the cassette player destroy tapes?  | Go to Step 5  | Go to Step 2  | 
2  | Using a good-quality tape, determine whether the cassette player performs poorly or is inoperative. Does the cassette player perform poorly?  | Go to Step 5  | Go to Step 3  | 
3  | Check the cassette player for obstructions behind the tape door. Is an obstruction found?  | Go to Step 4  | Go to Step 8  | 
4  | Inspect to see if the obstruction can be removed using gentle force. Is the obstruction removed?  | Go to Step 5  | Go to Step 6  | 
5  | Clean the cassette player head, the capstan, and the drive system. Does the tape play properly?  | Go to Step 7  | Go to Step 6  | 
6  | Replace the audio system. Is the repair complete?  | System OK  | --  | 
7  | Check the cassette player for normal operation. Is the repair complete?  | System OK  | --  | 
8  | Advise the owner of a defective or worn tape. Is the repair complete?  | System OK  | --  |