Mitsubishi mc 8000 service en

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A MITSUBISHI

AUDIO SYSTEMS

SERVICE MANUAL

MUSIC CENTRE
MODEL MC-8000

AMITSUBISHI ELECTRIC CORPORATION

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MC-8000 l

SPECIFICATIONS

FM Section

Tuning range ............ 87.5MH2 ~ 108MHz

Usable sensitivity ......... 0.9uV (75 ohms)

Total harmonic distortion . . . 0.2%

Image response ratio ....... 45dB

Signal to noise ratio ....... 70dB

Stereo separation ......... 35d8

Aerial ................. Impedance 300 ohms
balanced and 75 ohms
unbalanced

MW Section

Tuning range ............ 525kHz ~ 1,605kHz

Sensitivity .............. GDOuV/m IS/N: 26dB)

Image response ratio ....... 40dB

Aerial ................. Ferrite bar aerial

LW Section

Tuning range ............ 150kHz ~ 350kHz

Sensitivity .............. 2mV/m (S/N: 26dB)

Image response ratio ....... 35dB

Aerial ................. Ferrite bar aerial

AMPLIFIER SECTION

Power output (1kHz, both

channels driven into into 8 ohms,

THD 0.5%) ............. 25 watts + 25 watts
(4 ohms)
20 watts + 20 watts
(8 ohms)

Total harmonic distortion . 0.05% (10 watts per chan-

(IkHz from AUX) nel power output, 4 ohms)
Input sensitivityllmpedance . . MIC 1.5 mV/IOk ohms
Frequency response ....... 3OHz~20kHz ($1.5 dB)
Hum and Noise .......... SOdB (DIN)
Tone controls

BASS ............... 18dB (IODHz)

TREBLE ............. inB (iOkHz)
TURNTABLE SECTION
Type ................. Electronically controlled

fully automatic operation

Phone Motor Section

Drive mechanism ......... Belt drive

Motor ................. DC servo motor

Platter ................ 300m (Aluminum die-cast)

Platter speed ............ 33-1/3, 45 r.p.m

Wow and flutter .......... 0.06% (W.R.M.s)

Signal to noise ratio ....... 55:13 (IEC-B), 65dB
(DIN-Bl

Toneorm Section

Type ................. Linear tracking, straight
tubular type, statically
balanced

Cartridge ............... AT«71 (Audio technical)

Stylus ................. Diamond

Stylus pressure ........... 2 gr

CASSETTE DECK SECTION

Tracks ................ 4 track, 2 channel
Tape speed ............. 4.75cm/sec.
Recording system ......... AC bias (85kHz)
Erasing system ........... AC erasing (85kHz)
Playback equalization
Normal .............. 3,180usecJ120usec.
Special and Metal ....... 3,180usec./70usec.
Frequency response
Normal .............. 30Hz~13.000Hz
Special and Metal ....... 30Hz~16,000Hz
Signal to noise ratio
DOLBY NR out ........ 45dB (DIN)
DOLBY NR in ......... 52dB (DIN)
Wow and flutter .......... 0.07% (W.R.M.S)
Channel separation ........ 25dB
Crosstalk ............... 50dB
Motor ................. DC servo motor

GENERAL

Power (Mains) consumption . . 170 watts (IEC nominal)
Dimensions (W x H x D) . 460 x 585 x 245 mm
(18-1/8 x 23-3/4 x 9-5/8")
18.5 kg (40.8 lbs)

T shaped FM aerial

AM lead aerial
Screwdriver (For Preset
FM adjustment)

Black mat 1730 cm (For
transparent or coloured
records)

Wrench (For fitting turn-
table)

Cloth cover

Weight ................
Accessories .............

"DOLBY and the Double D symbol" [1]" are ti'ademlrks
of Dolby Laboratories,

Noise reduction system manufactured under license from
Dolby laboratories.

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