Unwind DT-920 - Manual (Page 7)

MAINTENANCE
Cleaning the cabinet
Use a clean soft cloth moistened with plain lukewarm
water and wrung dry. Never use benzol, benzene or other
strong chemical cleaners since these could damage the
finish of your unit. It is important that no liquid reaches the
inside of the unit.
WARNING:
FOR YOUR PERSONAL SAFETY, BE SURE TO
DISCONNECT THE AC POWER CORD BEFORE
PROCEEDING WITH ANY MAINTENANCE OR CLEANING.
TROUBLESHOOTING GUIDE
If you have followed the instruction and are having difficulty operating the unit, locate the SYMPTOM in the left column
below. Check the corresponding POSSIBLE CAUSE and CORRECTIVE ACTION columns to locate and remedy the
problem.
Servicing:
Should this product require service, refer to the TOA Electronics, Inc., TOA Canada Corporation warranty.
SPECIFICATIONS DT-920
Tuning range AM:
FM:
520kHz - 1710kHz (10kHz steps)/522kHz - 1710kHz (9kHz steps)
87.9MHz - 107.9MHz (200kHz steps)/87.5MHz - 108.0MHz (50kHz steps)
FM usable sensitivity
AM usable sensitivity
Power requirements
Power consumption
Dimensions (W x H x D)
Weight
14.7dBf
700µV/m
120V AC ±10%, 60Hz
6 Watts
Approx. 420 x 82 x 270 mm
Approx. 2.8 kg
IMPORTANT INFORMATION
All specifications are subject to change without notice.
-6-
SYMPTOM
No power when the POWER button is set to
ON.
Poor FM reception.
Continuous or intermittent hissing noise
during AM reception, especially at night.
A humming noise can be heard during AM
broadcast reception.
The tuner operation or display is not normal.
POSSIBLE CAUSE
No power plug connection at the AC outlet.
No antenna is connected.
Shorted or faulty connection(s) between the
FM antenna and the tuner.
The antenna is not positioned for the best
reception.
Noise caused by motors, fluorescent lamps,
lightning, television. etc.
The power cord may be too close to the AM
loop antenna or the antenna wire.
The memory must be reset.
CORRECTIVE ACTION
Insert power plug into the AC outlet
Connect the supplied FM antenna to the FM
antenna terminals on the rear panel of the unit.
Refer to the "CONNECTIONS" section.
Check the connections to the FM antenna
terminals on the rear panel of the unit.
Change the position of the antenna. Refer to the
"CONNECTIONS" section.
Keep the unit away from noise sources.
Install an outdoor AM antenna (Noise may be
reduced, but not completely eliminated.)
Position the power cord away from the antenna
line and the AM loop antenna.
Adjust the position of the AM loop antenna.
Disconnect the power cord, then press the
RESET button (rear of the tuner) at least 20
seconds. See page 5.