CD3720XM Troubleshooting, Specifications, Reset

CD3720XM

Troubleshooting

Problem	Cause	Corrective Action
Does not operate	No power to yellow wire; no	Check connection with test light;
(display does not light)	power to red wire	check vehicle fuse with test light

	Inline fuse blown	Replace fuse
No power to unit	Inline fuse blown	Check/replace fuse
No speakers operate	Speaker harness not	Connect speaker harness; check
(display lights normally)	connected	speaker wires

Not all speakers	Incorrect splices or	Check all splices and connections
operate	connections

	Speaker wires shorting to	Check splices, insulate all bare wires
	chassis ground or to each
	other

Blows fuses	Power wire shorting to	Make sure wire is not pinched
	ground

	Speaker wires shorting to	Make sure wire is not pinched
	ground

	Incorrect fuse/fuse too small	Install fuse of correct rating
Error-1 (CD Player)	Mechanism error	Press RESET, insert disc and try
		again

Error-2 (CD Player)	Servo error	Press RESET, insert disc and try
		again

CD skips too much	Receiver mount is not solid	Check mounting and backstrap,
	or backstrap is not secure	tighten if needed

Reset

After removing the front panel, use a pencil tip (or any non-metallic object) to press RESET (20).

Remove Radio From Dash

To remove the radio from the dash, detach the front panel and remove the trim ring by gently pulling up in the middle to release the plastic snaps. Insert removal keys between the radio chassis and sleeve to depress locking springs. Pull the radio out of the dash.

Specifications

CEA Power Ratings

Power Output. . . . . . . . . . . . . . . . . . . . . . . . . . . 16 watts RMS X 4 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . 70dBA below reference. (Reference: 1 watt, 4-ohms) Dynamic Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 watts @ 4-ohms x 4 channels Frequency Response. . . . . . . . . . . . . . . . 20Hz to 20kHz (-3dB), Auxiliary input used as source reference Reference Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4VDC

CD Player

Signal to Noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >90 dB Frequency Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Hz to 20kHz, -3 dB Channel Separation @ 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >55 dB D/A Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Bit/CH

FM Tuner

Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5MHz – 107.9MHz FM Mono Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 dBf 50 dB Quieting Sensitivity (stereo) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 dBf Stereo Separation @ 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >35 dB Frequency Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30Hz to 12kHz, -3dB

AM Tuner

Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530kHz – 1710kHz AM Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30uV Frequency Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30Hz to 2kHz, -3dB

Auxiliary Input

Input Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mV RMS for 1 watt RMS into 4-ohms Frequency Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20Hz to 20kHz, -3dB Input Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10k-ohms

General

Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 – 16 VDC, negative ground Fuse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 amp fast blow ATO Wire Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-pin quick-disconnect Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7" x 7" x 2" (178mm x 178mm x 51mm)

Specifications subject to change without notice.