Am Tuner Section - Kenwood DPX304 Service Manual

DPX304/DPX308U/DPX404U
DPX-MP3120/U5120/U5120S
SPECIFICATIONS (DPX-MP3120/U5120/U5120S)
FM tuner section
Frequency range
200 kHz step .................................. 87.9 MHz – 107.9 MHz
50 kHz step .................................... 87.5 MHz – 108.0 MHz
Usable sensitivity (S/N = 26dB) ............. 11.2 dBf (1 μV/75 Ω)
Quieting Sensitivity (S/N = 50dB) ....... 19.2 dBf (2.5 μV/75 Ω)
Frequency response (±3 dB) ..........................30 Hz – 15 kHz
Signal to Noise ratio (MONO) ....................................... 63 dB
Stereo separation (1 kHz) ............................................. 40 dB

AM tuner section

Frequency range
10 kHz step .........................................530 kHz – 1700 kHz
9 kHz step ...........................................531 kHz – 1611 kHz
Usable sensitivity (S/N = 20dB) ...................... 31 dBμ (36 μV)
CD player section
Laser diode ................................................................. GaAlAs
Digital fi lter (D/A) ............................... 8 Times Over Sampling
D/A Converter ............................................................... 24 Bit
Spindle speed ....................................... 500 – 200 rpm (CLV)
Wow & Flutter .................................. Below Measurable Limit
Frequency response (±1 dB) ..........................10 Hz – 20 kHz
Total harmonic distortion (1 kHz) .............................. 0.008 %
Signal to Noise ratio (1 kHz) ....................................... 105 dB
Dynamic range ............................................................. 93 dB
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
AAC decode .......................................... AAC-LC ".m4a" fi les
USB Interface (DPX-U5120/U5120S)
USB Standard .................................USB1.1/ 2.0 (Full speed)
Maximum Supply current .......................................... 500 mA
File System .............................................................FAT16/ 32
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
AAC decode .......................................... AAC-LC ".m4a" fi les
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
Audio section
Maximum output power ...........................................50 W x 4
Full Bandwidth Power (at less than 1% THD) ..........22 W x 4
Speaker Impedance ................................................... 4 – 8 Ω
Tone action
Bass ..............................................................100 Hz ±8 dB
Middle .............................................................1 kHz ±8 dB
Treble .........................................................12.5 kHz ±8 dB
Preout level / Load (CD) ................................2000 mV/10 kΩ
Preout impedance ..................................................... ≤ 600 Ω
Auxiliary input
Frequency response (±1 dB) ..........................20 Hz – 20 kHz
Input Maximum Voltage ............................................1200 mV
Input Impedance .......................................................... 10 kΩ
General
Operating voltage (11 – 16V allowable) ........................14.4 V
Maximum Current consumption ......................................10 A
Installation Size (W x H x D) ......... 178.0 x 100.0 x 155.0 mm
Weight .......................................................................... 1.5 kg
KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
changed without notice.