Kenwood KTC-HR100 - Manual (Page 11)

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Troubleshooting Guide
What might appear to be a malfunction in your unit may
just be the result of slight misoperation or miswiring.
Before calling service, first check the following table for
possible problems.
?
The HD Radio mode cannot be selected.
✔ The connection wire is not connected.
☞ Use the connection wire to connect the control unit and the HD
Radio tuner.
✔ HD Radio tuner is connected to KCA-S210A or other units.
☞ Connect the HD Radio tuner directly to the control unit.
? Nothing happens when the buttons are pressed.
✔ The computer chip in the unit is not functioning normally.
☞ Press the reset button on the Control/Controller unit .
?
No sound can be heard, or the volume is low.
✔ The input/output wires or wiring harness are connected incorrectly.
☞ Reconnect the input/output wires and/or the wiring harness
correctly. See the section on .
✔ The preset broadcast station is not transmitting in the mode that was
set with .
☞ Please set to "Auto".
✔ In digital AM broadcasting, receive mode switches between stereo and
monaural too often.
☞ Receiving condition is bad or unstable. Stereo is chosen when
receiving condition is good, and it switches to monaural when the
condition becomes bad.
✔ HD Radio tuner is connected to KCA-S210A or other units.
☞ Connect the HD Radio tuner directly to the control unit.
? Radio reception is poor.
✔ The car antenna is not extended.
☞ Pull the antenna out all the way.
✔ The antenna control wire is not connected.
☞ Connect the wire correctly, referring to the section on
Wires to Terminals>.
Specifications
Analog FM tuner section
Frequency range (200 kHz space) ............87.9 MHz – 107.9 MHz
Usable sensitivity (S/N = 30dB) ....................9.3dBf (0.8 µV/75 Ω)
Quieting Sensitivity (S/N = 50dB) ...............15.2dBf (1.6 µV/75 Ω)
Frequency response (±3 dB) .................................30 Hz – 15 kHz
Signal to Noise ratio (MONO) ..............................................70 dB
Selectivity (±400 kHz).......................................................≥ 80 dB
Stereo separation (1 kHz) ....................................................40 dB
Digital FM tuner section
Frequency range (200 kHz space) ............87.9 MHz – 107.9 MHz
Frequency response (±3 dB) .................................30 Hz – 15 kHz
Signal to Noise ratio (STEREO)............................................70 dB
Analog AM tuner section
Frequency range (10 kHz space) ...................530 kHz – 1700 kHz
Usable sensitivity (S/N = 20dB) .............................28 dBµ (25 µV)
Digital AM tuner section
Frequency range (10 kHz space) ...................530 kHz – 1700 kHz
Frequency response (±3 dB) .................................30 Hz – 15 kHz
Signal to Noise ratio (STEREO)............................................70 dB
General
Operating voltage .............................14.4 V (11 – 16 V allowable)
Current consumption........................................................500 mA
Operating Environment .......................................-20 °C – +70 °C
Installation size (W × H × D) .................188.5 Ч 30.0 Ч 145.5 mm
7-7/16 Ч 1-3/16 Ч 5-3/4 in.
Weight .................................................................1.65 lbs (750 g)
Specifications subject to change without notice.