Troubleshooting; Specifications - Dual XR4110 Installation & Owner's Manual

Problem
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuses
"ER" appears
on display
FM Tuner
AM Tuner
General
Power Output: 5 Watts RMS x 4 channels at 4 ohms and < 1% THD+N
Signal to noise ratio: 60dBA (reference: 1 watt into 4 ohms)
Cause
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Black wire not connected
Fuse blown
Speaker wires not connected
One or more speaker wires touching each
other or touching chassis ground
Yellow or red wire touching chassis ground
Speaker wires touching chassis ground
Incorrect fuse rating
USB or SD card compatibility issue
Tuning range: 87.5MHz-107.9MHz
Usable sensitivity: 10dBf
50dB quieting sensitivity: 25dBu
Stereo separation @ 1kHz: 40dB
Frequency response: 30Hz-18kHz
Tuning range: 530kHz-1710kHz
Usable sensitivity: 35dBu
Frequency response: 80Hz-2kHz
Speaker output impedance: 4~8 ohms
Line output voltage: 1.5 Volts RMS
Fuse: 5 amp AGC
Dimensions: 7" x 2" x 4.2" (178 x 50 x 107 mm)
Design and specifications subject to change without notice.
CEA-2006 Power Standard Specifications
(reference: 14.4VDC +/- 0.2V, 20Hz~20kHz)
XR4110 OPERATION

Troubleshooting

Check connections for proper
voltage (11~16VDC)
Check connection to ground
Check connections at speakers
Insulate all bare speaker wires from
each other and chassis ground
Check for pinched wire
Check for pinched wire
Use fuse with correct rating
Device capacity must be less than
File system is incompatible - it must

Specifications

Action
Replace fuse
16GB.
be FAT or FAT32.
9