Harman Kardon TD302 Owners Manual - Page 10
Troubleshooting, Checklist
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TROUBLESHOOTING CHECKLIST Most of the problems consumers have with their high fidelity system are due to incorrect operation. If this unit does not operate as you intended, first check the items in the following checklist. Also check other related components such as the receiver, turntable, speakers and other electrical equipment you use with this cassette deck. If a problem persists even though you have done as suggested in the checklist, consult your authorized Harman Kardon service station. Problem The tape does not run. (Cannot record or playback.) Unit does not play. Unit does not record. Sound is distorted. High frequency sound is not reproduced clearly. Cause •The power cord is not plugged in. •The tape is at its end. • Pause mode is activated. • Sound is not recorded on the tape. • Incorrect operation of the receiver. • Incorrect connection to the receiver. •The erase-prevention tabs are removed from the cassette shell. • Incorrect connection to the receiver. •INPUT LEVEL control knob is set to "0" position. • Distorted sound is recorded on the tape. •The tape is worn out. •A Dolby-encoded tape is reproduced with DOLBY NR switch "off". •Tape head is dirty or magnetized. •Tape head is dirty or magnetized. •Incorrect TAPE SELECTOR button is depressed. •A tape not recorded with the Dolby NR system is reproduced with the Dolby NR system ON. •The bias fine trim is misadjusted. Remedy • Plug the power cord. • Rewind the tape. • Cancel the pause mode by pressing the PLAY button. • Exchange with a recorded tape. •Turn on the power switch and tape monitor switch of the receiver. • Reconnect this unit to the receiver, referring to page 4. • Change the tape, or cover the holes with adhesive tape. (See page 2.) •Reconnect this unit to the receiver. (See page 4.) •Adjust the INPUT LEVEL control knob. (See page 7.) • Record again by setting the correct recording level. (See page 7.) •Change to a new tape. • Press the DOLBY NR switch and select the type of the Dolby NR system with the DOLBY NR TYPE selector. •Clean the tape head with a cotton swab or demagnetize the tape head. (See page 10.) • Clean the tape head or demagnetize it. (See page 10.) • Press the correct TAPE SELECTOR button according to the type of tape. (See the table on the page 7.) • Repress the DOLBY NR switch to the "off" position. •Adjust the BIAS FINE TRIM knob according to the instructions on page 8. 9
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