Harman Kardon CH120 Owners Manual - Page 12

TROUBLESHOOTING CHECKLIST Most of the problems are due to incorrect operation of this unit. If this unit does not 'operate as you intended, first check the items in the checklist. Also check other related components such as the speakers, amplifier and other electrical equipment you use with this unit. Problem Cause Remedy The tape does not run. •Tape has too much slack. • Eject the cassette and remove tape slack. Sound flutters. •Tape head, capstan or pinch roller is dirty. •Clean those parts using a special cleaning •Cassette tape is bad. cassette. •Use new cassette. Unit does not play back. •Incorrect connection. •Sound is not recorded on the tape. •Tape head is dirty. • Be sure all connections. • Exchange with a recorded tape. • Clean the tape head. Sound is distorted. •Tape head is dirty. •Clean the tape head. • Incorrect setting of the 70 pSEC SWITCH. • Set 70p SEC SWITCH according to the type of tape. High frequency sound is not •Tape head is dirty. •Clean the tape head. clear. • Incorrect operation of DOLBY NR or 70 •Set the switch correctly. ,uSEC SWITCH. Broadcast cannot be heard. AM sound is noisey. •The tape is running. • Incorrect connection of the antenna. •The unit is effected by the amplifier. • Eject the cassette. •Check the antenna connection wire. •Move the amplifier to a location farther away from the antenna. Sound has ignition noise. • Poor connection of ground. • Poor power line filtering. • Be sure to secure ground lead. •Add a power line filter to the + Battery wire. 11