CD WALKMAN DISCMAN (1993)

D-127  1993.03.01


D-223  1993.05.10

  • optical signal pickup: KSS-331C
  • digital signal processors: CXD2515Q
  • digital filter: no
  • D / A converter: SM5872BS-ET ( 1-bit quarz the time-axis control )
  • audio + headphone amplifier: NJM2100M + BA3572FS
  • output ( 4.5V input level):
  • 1 , line output: Output level 0.8V rms , 50kΩ ; recommended load is greater than 10kΩ
  • , the headphone output: 4mW +4 mW , and 16Ω
  • , optical digital output : No
  • Dimensions (W × H × D): 132 × 26.8 × 151mm (including protrusions and controller)
  • quality: about 300g (including battery),

D-321  1993.06.01

  • optical signal Picker: KSS -331C
  • digital signal processor: CXD2515Q
  • digital filter: no
  • D / A converter: SM5853BF ( 1-bit quarz time-axis control )
  • audio + headphone amplifier: BA4533M
  • output ( 4.5V input level):
  • 1 , line output: output level of 0.85V rms , 50kΩ ; recommended load is greater than 10kΩ
  • 2 , headphone output: +4 mW 4mW , 16Ω
  • 3 , an optical digital output: Output level -21 to -15dBm ; wavelength, 630 ~~ 690nm , the peak level
  • volume (W × H × D): 132.5 × 25.9 × 155.3mm (including protrusions and controller)
  • Quality: about 340g (including battery),

D-421SP  1993.06.01

  • optical signal pickup: KSS-331C
  • digital signal processor the: CXD2515Q
  • Digital filter: CXD2511R
  • D / A converter: SM5853BF ( 1-bit quarz time-axis control )
  • audio + headphone amplifier: NJM2100V + NJM2100V + LA4533M
  • output ( 4.5V input level):
  • 1 , circuit output: Output level 0.8V rms , 50kΩ ; recommended load is greater than 10kΩ
  • 2 , headphone output: 5mW +5 mW 16Ω
  • 3 , an optical digital output:
  • size (W × H × D): approximately 142 × 36 × 158 mm (including protruding parts and controllers)
  • Quality: about 460g (including battery)

D-828K  1993.06.10

  • : KSS-331A
  • digital signal processor the: CXD2515Q
  • digital filter: no
  • D, / A converter: SM5853BF ( 1-bit quarz time-axis control )
  • audio + headphone amplifier: LA4534M
  • output ( 4.5V input level):
  • 1 , line output: output level of 0.65V rms , 50kΩ ; recommended load is greater than 10kΩ
  • 2 , headphone output: 4mW +4 mW , 16Ω
  • 3 , an optical digital output:
  • volume (W × H × D): 138 × 31.5 × 159mm (including protrusions and controller)
  • Quality: about 410g (including battery)

D-5500  1993.09.21

  • optical signal pickup: KSS-210B
  • digital signal processors: CXD2500BQ
  • digital filter + D / A converter: CXD8451M ( 1-bit quarz time-axis control )
  • audio + headphone amplifier: RC4558P + RC4558P + LA4597 + LA4597
  • output ( 9V input level):
  • 1 , line output: no
  • 2 , headset (speaker) output: stereo mini-jack
  • , optical digital output:
  • size (W × H × D): 409 × 151 × 272mm (including protruding parts and controls)
  • quality: about 1.8kg (including battery)

D-120  1993.10.21


D-626  1993.11.21


  

One thought on “CD WALKMAN DISCMAN (1993)

  1. hi…if it is possible i want a circuit including RC4558P + LA4597 with complete details. i have the la4597 datasheet but only i want is to have an input circuit to this IC which has bass and terrible feature. i am going to build a speaker on my own. i am waitnig for your kind reply….thanks in advance.

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