MARCH 1991 £1.80 TEFuision SERVICINGPROJECTSVIDEODEVELOPMENTS FREE PVC INSULATING TAPE Servicing the Panasonic U5 Chassis Hall -effect VCR MotorsDX-TV Ferguson TipsMicrowave Notebook A Serviceman Looks at VCR PSUs VCR ClinicTV Fault Finding 03 9 770 32647023 PARTS PROBLEM? COPS CATCHES For Sharp THE PARTS Sansui THE OTHERS Phone David Allen CANNOT REACH 0734-876444 AT PRICES THE OTHERS CANNOT MATCH Grundig VIEWDATA Phone Stan Perkins PRESTEL PHILIPS 0734-876444 MOVIES Willow Vale COPS 14in SCREEN FULL KEYBOARD BUILT IN MODEM Philips/Pye PRINTER PORT Whirlpool RS232 PORT RECONDITIONED Phone Frank Pratt FLOPPY DISC PORT TERMINAL 0734-876444 TAPE RECORDER PLAYPORT £238 SECURITY KEY + VAT SWITCH BRITISH MADE INTEREST FREE CREDIT Ferguson BSI APPROVED SUBJECT TO °0APR GEC BT APPROVED This business terminal is a unique concept, it exploits Fidelity the latest technology within a television receiver. A microprocessor is used to guide you through a wide Phone Philip Pratt choice of features simply and quickly. Options are presented on the screen in the form of menus which invite you to select Teletext, Prestel or any 0734-876444 computerised order processing facility for which you have access to, i.e. Willow Vale COPS, Philips MOVIES, Sharp VIEWDATA, National Panasonic, Amstrad, Akai, Fisher, Hitachi, etc. Mitsubishi, Moulinex, Goldstar The system is open ended in that future facilities can be catered for in the programming of the micro- JVC, Nat Panasonic, Pioneer, processor, such as cable TV, video disc and in house Matsui, Saisho, Samsung, data systems. Salora, Sanyo, Sony, Toshiba, A typewriter style keyboard is supplied and allows you full composition and editing facilities in LOCAL Yamaha and many others. EDIT mode and pages of text can be transferred from the internal memory to cassette tape, to a printer, or Phone Mike Curtis downline at will. Clock display and timer, time out, stand by mode, security key with locking key, 0602-870789 telephone number memory bank are all standard. ACCESS24 HOURS ADAY -7 DAYS A WEEK iTE The Parts Distributor NO PROBLEM who says YES C-7 fl 1:1110 March Vol. 41, No. 5 1991 Issue 485 On sale February 20th 404"6114...-;6,..., er.srirriv S.NrWCte.:10101riCEIMISCOLISAAPXYle COPYRIGHT IPC Magazines Limited, 1991. Copyright this month inall drawings, photographs and articles published inTelevisionisfully protected 329Leader and reproduction or imitation in whole or in part is expressly forbidden. All reasonable 330Service Briefs - Ferguson precautionsaretakenbyTelevisionto Tips and modifications for TV/VCR products collated ensure that the advice and data given to from Ferguson Feedback. readers are reliable. We cannot however guaranteeit and we cannot accept legal 332Letters responsibility for it. Prices are those current Servicing the Panasonic U5 Chassis Nick Beer as we go to press. 336 Basically a very reliable chassis, but there are several things worth knowing about. Complete with faults list. CORRESPONDENCE 338Teletopics All correspondence regarding News, comment and developments. advertisements should be addressed to the Advertisement Manager, "Television", 340 VCR Clinic King'sReach Tower,StamfordStreet, Reports from Philip Blundell, AMIEIE, Eugene Trundle, London SE1 9LS. Editorial correspondence Alfred Damp, Steve Cannon, John Coombes, Nick Beer should be addressed to "Television", IPC and Donald Bullock. Magazines Ltd., King's Reach Tower, Stamford Street, London SE1 9LS. 342Long-distance Television Roger Bunney DX conditions and reception and news from abroad. Joe Cieszynski INDEXES AND BINDERS 344 The Hall -effect Motor While more complex than other types of VCR motor the Indexes to Vols. 36, 37 and 38 are available Hall -effect type has several significant advantages. Its at £1 each from the Editorial Office (address principles, drive circuitry and fault-finding procedures. above). Bindersthatholdtwelveissuesof 348Subscription Offer Televisionareavailablefor£4.50 from Television Binders, 78 Whalley Road, 351 Microwave Notebook John Coombes Wilpshire, Blackburn BB1 9LF. Make Some recent microwave oven innovations and notes on cheques out to "Television Binders". servicing. 352Test Cast 339 SUBSCRIPTIONS 353 CD Player Casebook An annual subscription costs £21.60 in the Reports from Mike Leach, Nick Beer and Philip Blundell, UK, £25.50 overseas (by surface mail - ask AMIEIE. for airmail quote if required). Send orders withpayment to Quadrant Subscription 354 A Serviceman Looks at VCR PSUs Jeff Herbert Services Ltd., Oakfield House, Perrymount A look at current VCR power supply designs from the Road, Haywards Heath, Sussex, RH16 3DH. servicing angle. 355Book Review BACK NUMBERS Subject toavailability,copiesofissues 355Next Month in Television published during the last 12 months are 358Steve's Camcorner Steve Beeching, T. Eng. availableat £1.80 each from Television, Leads and connectors and some of the problems that can John Denton Services, Unit 13, Thornham arise. Grove, Stratford, London E15 1DN. Please make cheques/postal orders payable to IPC 360Fifty Years in Radio and TV, Part 3 Harold Peters Magazines Ltd. The period when TV took off, with the Coronation, and the UK became a nation of viewers. QUERIES 362 TV Fault Finding We regret that we cannot answer technical Reports from Philip Blundell, AMIEIE, Eugene Trundle, queriesover the telephonenor supply Nick Beer, Mick Dutton, Steve Cannon, Ed Rowland, J.K. service sheets. We will endeavour to assist Potts and K.W. Saxon. readers who havequeriesrelatingto 364 What a Life Donald Bullock articlespublishedinTelevision,but we Cars and traffic wardens add to life's problems. cannot offer advice on modifications to our published designs nor comment on alterna- OUR NEXT ISSUE DATED APRIL WILL tive ways of using them. 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