— 11 —Troubleshooting GuideWhat might appear to be a malfunction in your unit mayjust be the result of slight misoperation or miswiring.Before calling service, first check the following table forpossible 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 HDRadio 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 harnesscorrectly. See the section on .✔ The preset broadcast station is not transmitting in the mode that wasset with .☞ Please set to "Auto".✔ In digital AM broadcasting, receive mode switches between stereo andmonaural too often.☞ Receiving condition is bad or unstable. Stereo is chosen whenreceiving condition is good, and it switches to monaural when thecondition 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>.SpecificationsAnalog FM tuner sectionFrequency range (200 kHz space) ............87.9 MHz – 107.9 MHzUsable 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 kHzSignal to Noise ratio (MONO) ..............................................70 dBSelectivity (±400 kHz).......................................................≥ 80 dBStereo separation (1 kHz) ....................................................40 dBDigital FM tuner sectionFrequency range (200 kHz space) ............87.9 MHz – 107.9 MHzFrequency response (±3 dB) .................................30 Hz – 15 kHzSignal to Noise ratio (STEREO)............................................70 dBAnalog AM tuner sectionFrequency range (10 kHz space) ...................530 kHz – 1700 kHzUsable sensitivity (S/N = 20dB) .............................28 dBμ (25 μV)Digital AM tuner sectionFrequency range (10 kHz space) ...................530 kHz – 1700 kHzFrequency response (±3 dB) .................................30 Hz – 15 kHzSignal to Noise ratio (STEREO)............................................70 dBGeneralOperating voltage .............................14.4 V (11 – 16 V allowable)Current consumption........................................................500 mAOperating Environment .......................................-20 °C – +70 °CInstallation size (W × H × D) .................188.5 × 30.0 × 145.5 mm7-7/16 × 1-3/16 × 5-3/4 in.Weight .................................................................1.65 lbs (750 g)Specifications subject to change without notice.
