Mitsubishi lt 640 service en
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Page 1
AMGA/ MITSUBISHI
SERVICE MANUAL
LINEAR TRACKING TURNTABLE
MODEL L164o
MITSUBISHI ELECTRIC SALES AMERICA, INC.
3019 East Maria Street Compton, California 90221
Page 2
LT-640 _ i
CONTENTS:
SPECIFICATIONS ......................... 2
COMPONENT TERMINOLOGY AND FUNCTIONS . . .......................................... 3
DISASSEMBLY INSTRUCTIONS .......................................................... 4
INFORMATION ON 10102 (MSM5831) .......................................... 5
ADJUSTMENT INSTRUCTIONS ....... 5
WIRING ........................ 7
PRINTED CIRCUIT BOARD . . . ...................................................... 9
SCHEMATIC DIAGRAM ................................................................ 11
EXPLODED VIEW (CABINET) ....................................................... 13
MECHANICAL PARTS DESCRIPTION (CABINET) ............................................. 14
EXPLODED VIEW (MECHANISM) ......................................................... 15
MECHANICAL PARTS DESCRIPTION (MECHANISM) . . ...................................... 16
PARTS LIST ........................................................................ 18
PACKAGING INSTRUCTION ............................................................ 20
SPECIFICATIONS:
I. PHONO MOTOR SECTION 3. CARTRIDGE SECTION
Drive system ............ Belt drive Type ................. Dual moving magnet
Motor ................. DC servo motor Stylus ................. 0.6 mil diamond
Platter Recommended tracking force . 29
Size ................ 30 cm (12") Output level (1 kHz, 5 cm/sec) 2.5 mV
Weight . i ........... 1.0 kg (2.2 lb) Channel separation (1 kHz) 1 A 16 dB
Material ............. Aluminum diecast
Platter speed ............ 33-1/3, 45 r.p.m. 4. GENERAL
Selection .......... . . Automatic Power consumption ....... 11 W
Wow and Flutter ...... . . 0.06% (Wrms) Dimensions (W x H x D) . . . . 462 x 459 x 180 mm
Signal to noise ratio ....... 55 d8 (IEC-B) (18-1/6 x1B~1/12 x 7-1/12")
65 dB (DIN-B) Weight ................ 11.5 kg (25.4?)
2 TONEAHM SECTION
Type ................. Linear tracking, straight
pipe, static balance type.
Overall lenght ........... 22.0 cm (8-5/8")
Effective Ienght .......... 19.0 cm (7-1/2")
Tracking error ........... ¢OI1°
Design and specifications are subiect to change without notice for improvement.