Numark CDN450, Service Manual

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2. SPECIFICATION
2.1 APPLICATION Model CDN 450, Dual CD/MP3 player.
2.2 POWER SOURCE
AC 100~240V, UNIVERSAL TYPE
2.3 DIMENSIONS
Base Unit 482(W)x 88.8(H)x 246(D)mm
Control Unit 482(W)x 88.8(H)x 76.5(D)mm
2.4 WEIGHT 6.5 KGS
2.5 FEATURES
(1)
Sigma-delta design with 64x over sampling D/A converter.
(2) Adjustable pitch percentages: +/-4%,+/-8%,+/-16%. MP3 (CD)
(3) Selectable elapsed, remain and total remain time display.
(4) ID3 display (Folder/Title/Artist/File).
(5) Relay play allow consecutive playback during two decks.
(6) Seamless Loop (uninterrupted loop playback).
(7) 20 seconds Anti Shock Protection (per side).
(8) Pitch Bend +/-32%(100%). MP3(CD)
(9) Instant start within 10 ms.
(10) Plays MP3/CD and CD-RW discs.
(11) 4 kind of fast search mode.
(12) Fader start control input.
(13) Single/Continuous.
(14) Auto cue.
(15) Auto BPM.
(16) Master Tempo.
(17) Scratch Function.
(18) Folder selector.
(19) Pitch display.
(20) Frame search.
(21) +/-10 track.
(22) S/PDIF digital output.
2.6 AUDIO CHARACTERISTICS (TEST DISC: TCD-782)
ITEM TYPICAL LIMIT CONDITION
(1) OUTPUT LEVEL 2VRMS +/-0.5dB 2VRMS +/-1dB 1KHz, 0dB
(2) CHANNEL BALANCE WITHIN 0.2dB WITHIN 1dB 1KHz, 0dB
(3) DYNAMIC RANGE 85dB 82dB 10KHz,20dB
(4) FREQUENCY RESPONSE 20-20KHz +/-0.4dB 20-20KHz +/-1dB 0dB OUTPUT
(5) DE-EMPHASIS TOLERANCE -20dB+2.4/-0dB -20dB+3/-0dB 16KHz,-20dB
(6) CHANNEL SEPARATION 93dB 90dB 1KHz, 0dB
(7) THD+N 0.015% 0.019% 1KHz, 0dB
(8) S/N 92dB 90dB 1KHz, 0dB
2.7 SEARCHING TIME (TEST DISC: TCD-782)
ITEM TYPICAL LIMIT CONDITION
(1) SHORT ACCESS TIME 2Sec 3Sec PLAY NEXT TRACK
(2) LONG ACCESS TIME 4Sec 5Sec TRACK 1 TO 23, 23 TO 1
2.8 PLAYABILITY
ITEM TYPICAL LIMIT CONDITION
(1) INTERRUPTION 1mm 0.7mm TCD-726
(2) BLACK DOT 1mm 0.6mm TCD-726
(3) FINGER PRINTS 75um 65um TCD-726
(4) ECCENTRICITY 140um 140um TCD-712 W/O TRACK JUMP
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