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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
Technical Manual
Ref. Three
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Crossover Frequencies: Frequency Response: Sensitivity: 6 ohms 20 to 125 watts 400Hz, 3500Hz 47Hz-25kHz +/-3dB 90dB @ 1 watt,1 meter
Reference Series 3-Way Speaker
PHYSICAL SPECIFICATIONS:
1x - Polycell Tweeters 1x - 5" (12.7cm) IMG Midrange 1x - 8" (20.3cm) IMG Woofer Dimensions: 21-5/8"H x 10-1/2"W" x 9-7/8"D (includes grille) XXXXXXXXX54.92cm(H) x 26.67cm(W) x 25.08cm(D) Cabinet Not Sold Grille #026-4575 Crossover #015-4582 Logo #716-4326
PRODUCTION HISTORY
Introduced in 1991 Discontinued 1993 Original Retail Price: $439.00/pair
TECHNICAL INFORMATION
TWEETER #902-4606 DIAPHRAGM #751-5099
5" (12.7cm) MIDRANDGE #902-4585
8" (20.3cm) WOOFER #902-4592
23" BLU/BLK .110" FEMALE CLIP
C1 2.5µF NPE
L1 0.60mH
TWEETER
23" BLUE .205" FEMALE CLIP
L2 C2 45.0µF NPE .80mH
R2 3.0� 10W C3 10.0µF NPE
22" WHT/BLK .110" FEMALE CLIP
INPUTS
L3 2.50µF
MIDRANGE
22" WHT .205" FEMALE CLIP
L4 3.0mH
15" RED .250" FEMALE CLIP
C4 150.0µF NPE
WOOFER
REV A
8-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
Ref. Three Reference Series 3-Way Speaker
15" RED/BLK .205" FEMALE CLIP
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