HR-MB3
1 – 1
Audio
HR-MB3
Service Manual
HR-MB3
Market
E
CHAPTER 1.
GENERAL DESCRIPTION
[1] Specifications
[2] Names of parts
Power source:
DC 6 V: AC adaptor
(AC 100 - 240 V, 50/60 Hz)
DC 5 V: USB bus power
Power consumption:
7 W (switching type AC adaptor)
Charging time:
Approx. 4 hours
(fully charged, when using the
AC adaptor included with the
unit)
Dimensions:
Width: 56.5 mm (2-1/4")
Height: 17.4 mm (11/16")
Depth: 105.5 mm (4-5/32")
Weight:
113 g (0.25 lbs.)
Sockets:
Earphones
(impedance: 32 ohms)
USB (Exclusive type)
DC input
Frequency response:
20 - 20,000 Hz
Audio format:
WMA (CBR/VBR),
MP3 (CBR/VBR), WAV (PCM)
Bit rate:
WMA (32 - 320 kbps),
MP3 (8 - 320 kbps)
Sampling frequency:
WMA (8 - 48 kHz),
MP3 (8 - 48 kHz),
WAV (22.05 - 48 kHz)
Music MetaData:
ID3 Tag (Version 1.0/1.1/2.3/
2.4), WMA object
Storage media:
4 GB hard disk drive (1 inch)
Output level:
Earphones: 5 mW + 5 mW
(maximum output level/32
ohms)
Battery life:
Up to 20 hours of continuous
playback by fully charged re-
chargeable Lithium-ion battery
PC interface:
USB 1.1/2.0
Notes:
A combination of sampling frequency and bit rate dif-
fers depending on audio format.
Continuous playback:
At 128 kbps, in MP3 format (earphone output: 0.1 mW
+ 0.1 mW, backlight: not set to "Always", equalizer: set
to "Flat")
Actual battery life will vary with use.
The values are the standard values when the unit is
used at an ambient temperature of 25°C (77°F).
1. Earphones Socket
2. Hold Switch
3. Play Mode/Information Indicator
4. Battery Indicator
5. Return/Power Off Button
6. Character/Time/
Information Indicator
7. Menu/Power On Button
8. Cursor Button
9. Play/Stop/Enter/Power On Button
10. 6 V DC Input Socket
11. USB Socket (Exclusive type)
12. Battery Switch
Normal
1:00
[3/8]
STOP
Music Name1
Artist Name1
Album Name1
1
3
5
9
6
7
8
2
10
11
12
4
The display varies depending on the operation.
The display language can be changed (default: En-
glish).
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