Mitsubishi dp ec1 service

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1*l MITSUBISHI
INTEGRATED LOGIC CONTROL TURNTABLE

DP - ECl

SERVICE MANUAL

CONTENTS

SERVICE DATA ............................. 2
COMPONENTS AND FUNCTIONS ................. 4
ASSEMBLY METHOD ......................... 6
CARTRIDGE ATTACHMENT ..................... 8
STYLUS PRESSURE ADJUSTMENT .............. 10
STYLUS TIP HEIGHT ADJUSTMENT ' ............ ll
ARM REST HEIGHT ADJUSTMENT .............. 12
ANTI-SKATING ADJUSTMENT ................. l3
CONTROL ................................. l3
LEAD-IN POSITIONING ..................... 21
HORIZONTAL ARM SPEED ADJUSTMENT ......... 23
ARM RETURN POSITIONING .................. 23
PU ARM REPLACEMENT ...................... 24
PHONO MOTOR CONTROL CIRCUIT ADJUSTMENT .. 25
PARTS LOCATION .......................... 27
TROUBLESHOOTING ......................... 28
BLOCK DIAGRAM ........................... 30
EXPLODED DIAGRAM OF MECHANISM ........... 31
PCB ..................................... 32
WIRING .................................. 35
DP-ECl BASIC SCHEMATIC DIAGRAM .......... 36
PARTS LIST .............................. 37

AMITsualsul ELECTRIC oonmmnou

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SPECIFICATIONS

It __1-

Type

r_- __ J _7

Driving System

Drive System

Platter

Speeds

Speed Adjustemtn
Wow and Flutter
Rumble

- -

i

Electronically controlled fully

automatic operation

:-=

Direct drive system,

24-slot DC, FG servo motor

Aluminum alloy die-cast

Diameter
Weight
33-1/3,
selection
i3%
0.025%

45 rpm,

312 mm (12-1/4 in.)
1.8 kg (4.01b.)

electronic

-65 dB (IEC B-weighted)

_J - __, _- -

Tonearm Section

Tonearm

Stylus Force Range
Overhang

Offset Angle
Tracking Error Angle
Head Shell

Cartridge Weight Range

Auto Mechanism

._---

17

Static balance universal type,

Overall arm length

320 mm
(12-5/8 in.)

Pivot-stylus distance 227 mm

0-3.0 gr. (0.1 gr.
14 mm (9/16 in.)
22°

+2.9°, -l.5°

(9 in.)

step)

Aluminum die-cast (9.8 gr.)

8-16 gr. (W/head shell)
12-20 gr. (W/head shell + sub-
weight)

Auto lead-in