Troubleshooting; Specifications - Jensen MPX6411 - Radio / CD Instruction Manual

TROUBLESHOOTING

Problem Cause
Does not operate No power to yellow wire;
(display does not no power to red wire
light)
Inline fuse blown
No power to unit Inline fuse blown
No speakers oper- Speaker harness not con-
ate (display lights nected
normally)
Not all speakers Incorrect splices or con-
operate nections
Speaker wires shorting to
chassis ground or to each
other
Blows fuses Power wire shorting to
ground
Speaker wires shorting to
ground
Incorrect fuse/fuse too
small
CD skips too much Receiver mount is not
solid or backstrap is not
secure
Corrective Action
Check connection with test light;
check vehicle fuse with test light.
Replace fuse.
Check/replace fuse.
Connect speaker harness; check
speaker wires.
Check all splices and connec-
tions.
Check splices, insulate all bare
wires.
Make sure wire is not pinched.
Make sure wire is not pinched.
Install fuse of correct rating.
Check mounting and backstrap,
tighten if needed.
16

SPECIFICATIONS

CEA Power Ratings
Power Output . . . . . . . . . . . . . . . .16 watts RMS X 4 channels into 4-ohms @ < 1% THD+N
Signal to Noise Ratio. . . . . . . . . . . . . . 90dBA below reference. (Reference: 1 watt, 4-ohms)
Dynamic Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Watts @ 4-Ohms all channels driven
Frequency Response . . . . . 20Hz to 20kHz (-3dB), Auxiliary input used as source reference
Reference Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4VDC
CD Player
Signal to Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>90dBA
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Hz to 20kHz, -3dB
Channel Separation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 55dB @ 1kHz
D/A converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-Bit/Ch
FM Tuner
Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5MHz - 107.9MHz
Mono Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12dBf
50dB Stereo Quieting Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16dBf
Stereo Separation @ 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >30dB
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Hz to 14kHz, -3dB
AM Tuner
Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530kHz - 1720kHz
Sensitivity @ 20dB Signal to Noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30uV
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Hz - 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 to 16VDC, negative ground
Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 amp, ATO type
Wire Harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-pin quick-disconnect
DIN chassis dimensions . . . . . . . . . . . . . . . . . . . . . 2" X 7" X 7" (51mm x 178mm x 178mm)
Specifications subject to change without notice.
MPX6411