JBL 400P MP3 Docking Station User Manual

Symptom Possible Problem Solution Note
No sound from the
JBL On Stage 400P unit.
No power to the unit. Make sure the wall power outlet or power
strip has power. Make sure all switches for
the outlet/power strip are on and that all
switches for the speaker system are on.
Is the LED on? If not,
power is not getting
to your JBL On Stage
400P system; try the
solutions shown.
Incorrect source selection. Make sure the iPod/iPhone is properly
docked or that the auxilary cable is prop-
erly connected to an external audio device.
Turn up the volume. Check the system with
a known good source, such as your iPod/
iPhone. Connect the Auxiliary Port cable to
the headphone jack on your iPod/iPhone.
Sound comes from one
side/channel only.
iPod/iPhone or audio cable is
not seated properly.
Make sure the iPod/iPhone or Auxiliary
Port cable is seated all the way into the
JBL On Stage 400P unit.
If you are using a longer
cable, make sure it’s a
3.5mm mini-jack stereo
male-to-male cable.
Distortion (static,
crackling or
hissing sounds).
Noise may be caused
by interference from a
monitor, cell phone or
other transmitting device.
Turn monitor off to see whether noise is
eliminated. Move JBL On Stage 400P unit’s
cables farther away from monitor.
Too much bass
or treble.
JBL On Stage 400P is being
overdriven by an amplifi ed
audio source.
Volume level may be too high.
Check the EQ setting on your
iPod/iPhone or source device.
Make sure that the JBL On Stage 400P
unit is connected to an appropriate source
Make sure all signal cables are inserted
snugly into receptacles.
Check volume of source device.
Some devices will distort the output signal
if the volume is set to Maximum.
It is recommended that the source device
EQ be set to Flat or Off.
JBL On Stage 400P unit
emits a loud hum or buzz-
ing noise.
Input cables are not plugged
in properly.
Check input cable connection.
Speaker system experi-
ences radio frequency
interference or picks up a
radio station.
Input cable may be picking up
Wrap up excess input cable, in order
to make it as short as possible.
Error message: “Device is
not iPhone Compatible” is
displayed on iPhone after
docking on the unit.
iPhone has an old fi rmware
Upgrade iPhone fi rmware to latest version.
Undock & re-dock iPhone in unit.
Frequency Response: 40Hz – 20kHz
Power Consumption: 55 Watts maximum
JBL On Stage 400P Transducers: One Atlas
neodymium and four Odyssey
Power: 1 x 30 Watts (woofer)
2 x 15 Watts (tweeters), at 1% THD
Input Impedance: >10k Ohms
Signal-to-Noise Ratio: >85dB
Input Sensitivity: 250mV RMS for rated power output
Power (USA/Canada): 120 Volts, 60Hz AC
Power (Europe/UK): 220 – 240 Volts, 50Hz or 60Hz AC
Power (Japan): 100 Volts, 50Hz or 60Hz AC
Power (Australia): 240 Volts, 50Hz or 60Hz AC
Dimensions: 14-1/4
" x 7-3/16" x 3-3/4"
(W x D x H) (362mm x 183mm x 95mm)
Weight: 3.8 lb (1.7kg)
Power Supply Manufacturer: JBL, Inc.
Power Supply Model: 700-0084
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