Denon DCM-420 User Manual

DENON
Hi-Fi Component
ACA
SERVICE
MANUAL
a MODEL DCM -420
MODEL DCM-320
STEREO CD PLAYER
— TABLE OF CONTENTS —
OPERATING INSTRUCTIONS (DCM-420) ....... 0c ccc cece cece cee cece ees
; OPERATING INSTRUCTIONS (DCM-320) ........ cece cece erence ee eee eens
SPECIFICATIONS 2.0.00... cece cece cee ee eee eee e eee e nee eens is §
NOTE FOR HANDLING OF LASER PICK-UP .......... 0. cece cee e eee e eens
DISASSEMBLY ...... pee ot Scat SAV ecamyS (a, Sen ayah et cached av ava Sie wthe’ tat ahar dene wc roSeta als
ADJUSTMENT, sccpss. 5 sue. nSeegieiciane 3 and Sie daathioe Sue oie eed ea od lave Ba we dle Se edaan
HEAT RUN MODE FUNCTION .... 20... ccc cece cece eee eee ees fed a
IC TERMINAL FUNCTION 2.0... 0. cece cece cece eee cee eee e ees
NOTE ON PARTS LIST ...... ais aby winleng Ka ws GNIS HewneE a ae Sane see
PARTS LIST OF PW.BOARD ...........-2 0c eee eee eee cette ee Bec wieisetntecalcs
PARTS LIST OF MECHANISM UNIT .... 0.0... cece eee cece e erence eee enees
a EXPLODED VIEW OF MECHANISM UNIT .... 2.6... eee eet ee eee eee
EXPLODED: VIEW -ccs.ctisceldeuidlaits oacaia nei ale cteiba ates wen aie bested eens
PARTS LIST OF. EXPLODED VIEW... ccc cee eee eens
a PARTS LIST OF PACKING & ACCESSORIES .......... cc cece eee e eee eee
PW.BOARD? "sc, sac. Sr2 5 elajets gb susieke si tiaiuonansae Paavo Oreiagis ehedicard eee GR Ae ass
WIRING DIAGRAM ..... cc eee ee eee eee eee erent en ee eenenes
SEMICONDUCTORS ..... 0.66. eee ene n eee eeee
} SCHEMATIC DIAGRAM
aiaved Lscenttomeeaueie 15
seta guave: Sava tetbca,aud auensees 32
EE Te 33
NIPPON COLUMBIA CO. LTD.

Denon DCM-420 Specifications

General

Type	CD Player
Frequency Response	2 Hz - 20 kHz
Signal-to-Noise Ratio	100 dB
Channel Separation	90 dB
Dynamic Range	100 dB
Playback Capability	CD, CD-R, CD-RW
Output Level/Voltage	2.0 V
Disc Capacity	5 Discs