SPECIFICATIONS
JBL On TIME™ 400iHD
Frequency Response: 75Hz – 20kHz
troubleshooting
sOUND QUALITY
Symptom | Possible Problem | Solution | Note |
English
Power Consumption: 30 Watts maximum
JBL On Time™ 400IHD Transducer: Phoenix SE
Power: 6 Watts x 2 < 1% THD
Input Impedance: >5k Ohms
No sound from the | No power to the unit | Make sure the wall power outlet or power strip has |
JBL On Time™ 400IHD |
| power. Make sure all switches for outlet/power |
speaker dock |
| strip are on and that all switches for speaker |
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| system are on. |
| Incorrect source selection | Ensure that the correct source is selected; choose |
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| FM radio as a source. Turn up the volume. Check |
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| the system with a known good source, such as your |
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| iPod. Connect the Aux In cable to the headphone |
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| jack on your iPod. |
Is the display on? If not, power is not getting to your JBL On Time 400IHD unit; try the solutions shown.
Input Sensitivity: 500mV RMS for rated power output
Power (USA/Canada): 120 Volts, 60Hz AC
Dimensions:
(W x D x H) (361mm x 128mm x 79mm) Weight: 2 lb (0.9kg)
Disposal: Do not dispose of this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.
Important: Use UM4/AAA/LR03
No sound or weak signal from | Bad reception from current location | Reposition your JBL On Time 400IHD unit until you | If you are still getting a weak signal |
the AM/FM radio |
| find better reception. | from AM broadcasts, connect the |
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| external AM antenna to the AM |
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| antenna jack. |
| Interference | Check surrounding area for any possible |
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| interference; wrap up any excess cables. |
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Sound comes only from one | iPod or audio cable is not seated | Make sure the iPod or Aux In cable is seated all the | If you are using an extension cable |
side/channel | properly | way into the JBL On Time 400IHD unit. | or a |
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| a 3.5mm stereo |
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Distortion (static, crackling or | Noise may be caused by interference | Turn monitor off to see whether noise is eliminated. |
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hissing sounds) | from a monitor, cell phone or other | Move JBL On Time 400IHD unit’s cables farther |
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| transmitting device | away from monitor. |
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| JBL On Time 400IHD unit is being over- | Ensure that the unit is connected to an appropriate |
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| driven by an amplified audio source | source device. Make sure that all signal cables are |
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| inserted snugly into receptacles. |
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| Volume level may be too high | Check volume of source device; some devices |
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| will distort the output signal if the volume is set to |
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| Maximum. |
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Too much bass or treble | Check the EQ setting on your iPod or | We recommend that the source device EQ be set |
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| source device | to Flat or Off. |
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JBL On Time 400IHD unit emits | Input cables not plugged in properly | Check input cable connection. |
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a loud hum or buzzing noise |
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Speaker system experiences | Input cable may be picking up | Wrap up excess input cable to make it as short |
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radio frequency interference | interference | as possible. |
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or picks up a radio station |
| Purchase a ferrite clamp and attach it over the |
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| input cable; a clamp can be purchased at your local |
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| electronics store. |
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www.jbl.com 21