Mitsubishi Electric MUX-25TV - E1 User Manual

YOUR ONE -STOP SOURCE OF ELECTRONICS INFORMATION ICD 08559 V APRIL 1986 $1.95 CANADA $2.50 THE MAGAZINE FOR ELECTRONICS & COMPUTER ENTHUSIASTS 1

Only NRI gives you professional hands -on training and equipment to prepare you for today's high -tech video electronics servicing careers. Becom

And the revolution has spread to the business sector as tens of thousands of companies are purchasing expensive high -tech video equipment used to tra

llIiI/ NEW PRODUCTS//Il/il 11 For more information on products described, please circle the appropri- ate number on the Free Information Card bound

manual desoldering. The pumps are equipped with antistatic tips to pro- tect static -sensitive ICs and other components, while the pump mech- ani

NEW PRODUCTS .. . vide overload protection, so there is no fuse to replace. Finally, a univer- sal connector allows the power pack to be used wit

COMMODORE 64 COMPUTER (Order Now) S 139'5 C128 Disks 79' ea.* Paperback Writer 64 $39.95 10" Comstar 10X Printer $148.00 13" Colo

1 EVALUATIONS ill/ItEMP Canon 's Canon vision Model VM -El 8 -mm Camcorder Giant camera maker Canon U.S.A. has added an 8 -mm camcorder to it

Good horizontal (high frequency) resolution, left, measured an easy 3 MHz. Vertical resolution at 400 lines, right, was also very good. The Tektr

Check Digital IC's in- circuit Fast! In the field or on the bench. B &K PRECISION gives you the answers for TTL or CMOS Model 550 (for TTL)

UR CAREER HORIZONS... START WITH CIE. Microprocessor Technology. Satellite Communications. Robotics. Wherever you want to go in electronics... star

The Ultimate in Low -Cost Test Equipment At last! Here is your opportunity to take your pick from a new test equipment line that has all the fe

New Electronic Products Coming Up A roundup of new video, audio and other consumer electronics models Sharp Model VC -685U "High Quality"

I 1 ELECTRONICS April 1986 Rabbit Systems "VCR Rabbit" accessory. Panasonic "Pocket Watch" 3.5 " LCD color TV set. 0 tinue

LCD panel, triangle color formation, and black matrix, which dramatically improve contrast and overall picture quality. And, of course, there is an

VIDEO STAINER KIT ds ,,ssE...- 47o srFa xrr Discwasher "Video Starter Kit." Sansui Cinemasound adjustable -reflector rear speakers. the int

Brook Ave., Lyndhurst, NJ 07071) S -10 speakers, for $150 per pair. Rather than have speakers all around, some people prefer to cuddle up on the co

Another automobile device that might well appeal to a lot of people is TaleLights (Willas USA, 8933 Quartz Ave., Northbridge, CA 91324). This is a

90503). If you've ever forgotten (or never learned) how to use your an- swering machine in remote mode, you would appreciate Phone Mate's

From McGraw -Hill ... the professionals' publisher ELECTRONICS ENGINEERS' HANDBOOK, 2/e by D. G. Fink & D. Christiansen 209/812 Pub.

Computers Reading by Computer Optical data entry is explored, and the Oberon "Omni- Reader" that scans copy and inputs the data to a compute

The actual character scanning is done by a photodetector buried within the read -head assembly. Two small lamps on either side of the decoder provide

Where's Your ELECTRONICS Career Headed? The Move You Make Today Can Shape Your Future Yes it's your move. Whether on a chess board or in

NEWLINE is simply what it implies: when the button on the read head is released at the end of the line a car- riage return is inserted so th

"... its operating speed is s-l-o-w." Fig. I TEST SHEET: Read this first and retain for future reference OMNI- READER by OBERON INTE

Part 2 (Conclusion) All About Telephones and How to Repair Them A look at telephone repair By TJ Byers Last month, in Part 1 of this article we e

CONNECTOR MODULE Lt r.. 3 0 GRD 0} L2 0 LINE ORD RINGER TERMINAL BOARD AND "NETWORK" CAPACITOR RED YEL RED BLK GRN 1.0 m YEL HOOKSWITCH .

and open and 0.039- second closed. Each 100- millisecond (0.100- second) period represents a dial pulse, and each pulse represents a part of a nu

Row 1 Row 2> --- Row 3 >--- Row 4>--- Column 1 f Column 2 Column 3 H oo kswitch detect Mute Redial Select Keypad logic Main control logic W

An Audio Step Generator This project takes the tedium out of making frequency- response tests on audio equipment By Jack Cunkelman Running a frequenc

< --^ti-- Test Instrument Project N %rnr- cc -- m Hi, U p U - -{n rn Y 2 -cr s' Fig. I. Schematic diagram of main analog circuitry that mak

C2 R19 50K GAIN 47uF NOTE: IC = NE5534N 100 K 4.7K -15V 601 Output 1 1 601 Output 2 1 Fig. 2. This alternate output circuit provides outputs that pr

C.O.M.B. BREAKS THE SATELLITE TV PRICE BARRIER! KLM 8 -ft. SATELLITE TV RECEIVER SYSTEM HIGH PERFORMANCE! TOP NAME BRAND! FACTORY NEW! FIRST QUALITY!

I Hifi I/MODERN E ICS THE MAGAZINE FOR ELECTRONICS & COMPUTER ENTHUSIASTS APRIL 1986 OM.tiI-RL-1DER t eliminate th. ream]. 32 36 50 22 VOLUME 3

Fig. 4. This view shows analog circuit board layout on perforated board and front -panel component mounting details. ICs are in sockets. former and

4 Super Disk° Diskettes Now... Diskettes you can swear by, not swear at. Lucky for you, the diskette buyer, there are many diskette brands to choose f

S1 to the SET LEVEL position. Con- nect an oscilloscope probe to the top of GAIN control R19. Plug in the Step Generator's line cord and turn

AlL752K Lowest Price In The USA! 752K ATARI® Computer System Sale Students Word Processing Home Business LOOK AT ALL YOU GET FOR ONLY $ 379 INDIVI

Construction Project A Versatile Printer Stand This build -it- yourself printer stand provides three paper "trays "and features optional &qu

R4 6.8K. 2VV 117V ac -1 SO2 M0V2 ON.0 F1 NC y 0--À I K1 D6 1N4001 1C D7 1N4001 D1 D4 = I 1N5400= I M 0 V 1 sol 01 R1 J1si 100 ______ C2 100 NF D8 12V

sion is built around standard 36 -pin Centronics -compatible connectors, the serial version around 25 -pin mini- ature DB -25 connectors with flat

15" (151/29 1" ) (1 1 (111) f`: TOP and BOTTOM 3/4" clear Plexiglas or 1/2" plywood or particleboard (2 required) 123/4"

Project A Day /Night Safety Beacon Based on electronic photoflash circuitry, this portable safety device can be seen by oncoming traffic both day and

560; c C6' H5' 01 2N5259 02 2N5269 I NOTE: 'See text. >1 4 T1' 01 R2 C5 1N4004 470K 0.1,F D2 1N4004 C3 ,-. 20 N F C4 209 Cl

Rade Ihaek Parti PIaee Tm ART YOUR NEXT PROJECT AT THE SHACK' Build With the Best! Manufacturer's First -Quality ICs (1) (3) s (5) .._ (6)

Fig. 2. Etching- and -drilling guide. r1,3 Ti 1 B n n - C6- T2,1 r - D1- -- D2- C4 C3 -R2- -ÿFT1,1 FT1, 3. Components-placement guide. placement a

NIMMMI! brittle core may crack or shatter. Also, place a fiber washer between the head of the screw and the core. The flashtube and trigger tra

Project Add Stereo Sound To Your TV Receiver This device readies any TV receiver to use a commercial stereo TV converter for full- spectrum stereo sou

TV RECEIVER 0. Video amp Sound detector Coupler Sound detector ii Squelch Output to stereo decoder Fig. 1. This block diagram shows the main sectio

Cl 1001pF o-l- IF input L1 L2 II II C7 C11 0 13 470;F r7 m C3 100 pF C2 5-60pF C4 0.001p R1 100 C5 --oV/V- R7 22K C9 100 o IC1 a CA3089 0.01 p F T

Fig. 3. If you wish to fabricate your own printed- circuit board, use this actual- size etching- and -drilling guide. d a -1--i III CC ' Ç6 to C

Why No Converter Project Some readers may be wondering why we are not providing construction de- tails for a complete stereo TV converter. There ar

214-23 4 -8116 ELECTRONIC SURPLUS SPECIALS 214- 234 -8105 MACHINE PIN SOCKET CIRCUIT BOARD BONANZA 22 PIN GOLD PLATED SOCKET 5 pcs $100 Stk. NICS

Ululi ELECTRONICS NOTEBOOK/Il/litINIII Audio Amplifier Experiments By Forrest M. Mims III In this era of digital electronics, it's easy to overl

Fig. 2. A surplus hydrophone. inductive feedback that can cause the am- plifier to oscillate at high gain levels. To further reduce the possibil

Famous A very special guide to what the exciting world of computer and electronics kit - building can do for you. The informative Heathkit Catalog

ELECTRONICS NOTEBOOK of pops, crunches, gurgles and the like. Even when the hydrophone was sub- merged in some of the deeper holes (8 to 10 feet),

lines in the silver coating of two small glass mirrors. One grid was mounted in a fixed position, the other attached to the diaphragm of a modif

ELECTRONICS NOTEBOOK... voice reproduction will be influenced by the dimensions of the transmitter and the amount of ambient sunlight reaching the so

IIIRIü800KS81111111 Designing Electronic Circuits by Robert G. Middleton. (Prentice Hall. Hard cover. 351 pages. $29.95.) As electronics design -typ

X1111 SOFTWARE FOCUS !'III Faster Than a Reading Bullet By Art Salsberg With so much to read and so little time to do it, anything to speed up

- - = = =_ --== 1I NM THE FIRST NAME IN ELECTRONIC TEST GEAR Save 530 on the RAMSEY 20MHz Dual Trace Oscilloscope Unsurpassed quality at an unbeatab

IIIii/HA RD WARE HACKER New electronic memory chips, a new microprocessor chip, the UART defined & some circuits, how drawings are made By Don Lan

per motor drivers, a pulse position modu- lator, and a two -way UART serial com- munications channel interface sound? If that's not enough for

HARDWARE HACKER baud rates include 300 baud for modems and 9600 baud for printers. You can roughly relate baud rate to cps (characters per second)

is one way to do a power -on reset. Any other scheme that briefly brings pin 21 high after power -up will work as well. One possible use for thi

NEW! Lower Price Scanners Communications Electronics;" the world's largest distributor of radio scanners, introduces new lower prices to ce

HARDWARE HACKER... Let's quickly sum up some of the key secrets of my new schematic drawing utilities: First is a gray rubber grid that lets y

IIIIPC PAPERS//I/lit First Impressions: Ashton -Tate's Framework II Integrated Software package; Tecmar's MegaFunction Memory- Expansion, R

PC PAPERS .. Apps Disk Create Edit Locate Frames Words Numbers Graph [2Q Graph] (Thousands) 88 60 48 28 B Apri ----May -- [Letter to the Edito

ing, but what's an AUTOEXEC.BAT file for? Heaven Can Wait Now I'll take off my reviewer's hat; I con- sidered writing an April Fool ite

V MMINIMMI Top Shortwave Programs By Glenn Hauser Each year, Review of International Broadcasting conducts a listener survey under the auspices of

790 and sold the 710 facilities to a viru- lently anti -Castro group, Radio Marnbi, WAQI (pronounced "aqui," not "wacky ").

COMMUNICATIONS . . . Jamaica. We've been hearing JBC Ra- dio One on a new frequency of 850 kHz during hours of darkness. Ron Schatz says chann

Telephones (from page 39) ments are supplanting the carbon mike, particularly in electronic tele- phones, so be alert to it. The final element is th

MODERN H ELECTROAIICS MART Classified Commercial Rates: 90d per word, 15 -word minimum ($13.50) prepaid. (Word count includes name and address, ZIP

100 for $1700 1 litFLASHER LED 5 volt operation red jumbo T 174 size $1.00 each NEW GREEN FLASHER CAT #LED -4G $1.00 BI -POLAR iumbororf si e LED HOL

Nil/Ill hRN ELETR4ICS NEWSI/ilh!11 COMPUTER MAJORS DOWN. Along with decreased computer sales, fewer college freshmen chose computers as a major in

ADVERTISERS' INDEX RS# Page# 35 All Electronics Corp 93 49 B&K Precision 18 C.O.M.B 45, 89 171 Cleveland Institute of Flee 21 31, 25 Commu

C O R P O R A T I O N 1- 800 -344 -4539 AK, Puerto Rico - 218 -681 -6674 Telex - 62827914 TWX -- 9103508982 DIGI KEY CORP ' NATIONAL OK

Add Stereo Sound To Your TV Receiver l (from page 64) An interior view of the finished project. driver with a metal shank for the alignment pr

COMPUTERS A T WHOLESALE SMARTEAM MODEM 103/212A- Operates at 300 BAUD and 1200 BAUD BELL 103 and 212A compatible HAYES compatible Auto answer, dial

The First Full- Featured System Designed for Easy Do -It- Yourself Installation Radio Shack's new Home Satellite TV System brings you the winn

CABLE -TV ' WE'LL MATCH OR BEAT ANYONE'S E ADVERTISED RETAIL WHOLESALE ICES! 4*21 BONANZA! ITEM SINGLE UNIT PRICE DEALER 10 -UNIT PRICE