Mitsubishi dp ec8 service en
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Page 1
MITSUBISHI
AUDIO SYSTEMS
I.
SERVICE MANUAL
TU RNTABLE
MODEL DP-EC8
CONTENTS:
NAMES OF PARTS: ................................................................ 2
SPECIFICATIONS: ................................................................ 2
ADJUSTMENT INSTRUCTIONS: ....................................................... 3
TONEARM REMOVAL AND ADJUSTMENT: .............................................. 4
EQUIVALENT CIRCUIT AND PIN OUT OF ICs: ............................................ 6
INFORMATION ON LOGIC IC (MSM-5831RS) .............................................. 8
WIRING DIAGRAM: ............................................................... 9
SCHEMATIC DIAGRAM ............................................................ 11
PRINTED CIRCUIT BOARD: ........................................................ 13
PARTS LIST: ................................................................... 15
EXPLODED VIEW: ............................................................... 16
PARTS LIST OF EXPLODED VIEW: ................................................... 17
AMITSUBISHI ELECTRIC CORPORATION
Page 2
NAMES OF PARTS / SPECIFICATIONS
1.
2
18
SPECIFICATIONS:
1. PHONO MOTOR SECTION
Type
Drive mechanism
Motor
Platter Diameter
Weight
Material
Platter speed
Wow and Flutter
Signal to noise ratio
2. TONEARM
Type
Overall length
Effective length
Overhang
Tracking error (30 cm LP)
Electronically controlled
fully automation operation
Direct drive
Ouarz PLL DC servo
30 cm (12)
1.1 kg (2-7/16 lb)
Aluminum die-cast
33-1/3, 45 rpm
0.025 % (Wrms)
3: 0.04 % (DIN Wp-p)
60 dB (lEC-B)
75 dB (DIN-B)
Static balance, straight arm
290 mm (11-3/8")
227 mm (8-15/16")
14 mm (9/16")
+30 ~ -10
Offset angle
Head shell Material
Weight
Possible cartridge weight
Tracking force adjustment
Output capacitance
3. CARTRIDGE
Type
Stylus
Tracking Force
Output level (1 kHz, 5cm/sec)
Channel separation
4. GEN E RA L
Power consumption
Dimension (W x H x D)
Weight
powpmgsw
5°
11.
12.
13.
14.
15.
16.
17.
LIGHT EMITTER
LEAD-IN AND REST POSITION
ADJUSTMENT SCREW
. STOP BUTTON I D I
LIFT/CUE BUTTON (AV)
. START BUTTON I 4)
REPEAT BUTTON
. SPEED RESET BUTTON
INDICATOR
QUARTZ LOCK INDICATOR
PLATTER MAT
PRISM
COUNTER BALANCE WEIGHT
TRACKING FORCE
ADJUSTMENT KNOB
ANTI-SKATING
ADJUSTMENT KNOB
ARM LIFTER
ARM REST/POWER SWITCH
TONEARM
HEAD SHELL
22
GFRP
3.7 gr.
5 ~ 9 gr.
0 ~ 3 gr.
200 pF
Dual MM
0.6 mil Diamond
2 gr.
3 mV
20 dB
11 W
424 x130 x 378 mm
(16-11/16 x14-7/8 x 5-1/8")
8 kg (17-5/8 lbs)
Disign and specifications are subject to change without
notice for improvement.