Mitsubishi dp ec20 service en

Page 1

A MITSUBISHI

AUDIO SYSTEMS

SERVICE MANUAL
MODEL DP-ECZO

CONTENTS

SPECIFICATIONS ........................................................................................................ 2
DESCRIPTION AND FUNCTION OF EACH PART ....................................................... 3
ASSEMBLY .................................................................................................................. 4
CARTRIDGE INSTALLATION ....................................................................................... 5
ADJUSTMENT ............................................................................................................ 5
OPERATING THE TURNTABLE .................................................................................... 7
ADJUSTMENT OF EACH PART ................................................................................. 10
PRINTED CIRCUIT BOARD .......................................................................................... 13
SCHEMATIC DIAGRAM ............................................................................................. 15
WIRING ..................................................................................................................... 17
EXPLODED VIEW ...................................................................................................... 19
PARTS LIST ............................................................................................................... 20

l1 j *- L I r j

AMITSUBISHI ELECTRIC CORPORATION

Page 2

SPECIFICATIONS
l. PHONO MOTOR SECTION

Type Electronically controlled fully
automatic operation

Drive mechanism Direct drive
Motor 12-pole quartz locked PLL DC servo motor
Platter Diameter 33.3 cm (13-18")
weight 1.8 kg
Material Aluminum die-cast
Platter speed 33-1/3, 45 r.p.m.
WOw and Flutter 0.025% (Wrms)

:o.ozs% (Wp-p, DIN 45-507)

Signal to noise ratio 65 dB (IEC-B)
80 dB (DIN 45-539)

2. TONEARM

Type S-type universal static balanced
Overall length 320 mm (12-5/8")
Effective length 227 mm (8-15/16")
Overhang 14 mm (9/16")
Tracking error (30 cm LP) +2.9° - -l.5°
Offset angle 22°
Head shell Material Magnesium alloy diecast
Weight 6. 2 9
Possible cartridge weight 11 g to 16.5 g (with head shell)
16 g to 21.5 g (with head shell and
sub-weight)
3. GENERAL
Power consumption 10 W
Dimensions (W X H X D) 470 X 135 X 395 mm)

(18-1/2 X 5-7/8 X 15-5/8")

Weight 13.5 kg (30 lbs)

Design and specifications are subject to change without notice for improvement.

_ 2 -