New Technology from Sony
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Tips, guides and reports for people repairing televisions and electronic equipment TELEYISIO AND HOME ELECTRONICS REPAIR JUNE 2003 £3.20 New technology from Sony Low -drop linear regulators The ChipQuick desoldering technique Build this PAT tester 06 The Panasonic Euro-4H chassis 97700326413 Satellite, Audio, Monitor, TV, VCR and DVD faults Ifever youneeded proof that thererea substitute for the original Dave here may look somewhat like the man himself, but when he breaks into song you'll agree, he'll never be a patch on the original. Illustratingour pointperfectlythat sometimes a substitute justisn't good enough. That's why the comprehensive and cost effective range of Classic DVD and CD lasers are all originals, making them the obvious choice. Contact your usual Classic, distributor quoting the type number of the laser you require and ask for the Classic original. Watch your post for your free copy of our laser listing or contact us for an advance copy. For more information on the entire Classic range or details of a distributor near you, call 01635 278678, visit us on the web; www.classic-electronics.co.uk or email us at sales©classic-electronics.co.uk classic Technical helpline 01635 278678 CONTENTS June 2003 Vol. 53, No. 8 451 Comment 478 All about low -drop linear An adventurous life. regulators Editor 452 Teletopics If you are not careful you can get instability problems with low -drop linear voltage regulator John A. Reddihough The analogue TV switch -off. Grundig's insolvency. ICs. The reasons for this lie in the frequency and Combined screen/speaker system. DVD update. phase characteristics of the feedback loop in the IC and the characteristics of the output capacitor used. Advertisement Sales Ray Porter, M.Sc., C.Eng., MIEE, explains the 454 The ChipQuick SMD removal kit theory and describes the practical points that need Reuben Gurunlian Component removal problems have got worse with to be observed. 0208 722 6028 the increased use of sophisticated surface -mounted ICs. Some of them have a couple of hundred pins, Fax 0208 770 2016 and you may find it necessary to replace one 482 DX and Satellite Reception simply to confirm a diagnosis. It's a formidable The Gulf War dominates this month's reception Publishing Director task but, as Steve Beeching, I.Eng., MIEE has reports. Broadcast news. Latest ways of providing discovered, there's a solution - the ChipQuick kit. live video news via satellite. PC MPEG decoder Tony Greville cards. Aerial -based noise -cancelling systems. 456 Latest technology from Sony Roger Bunney reports. Managing Director 486 DVD faults Roy Greenslade 487 Letters A warning on the provision of guarantees. TiVo Note that we are unable to could have been a winner. Car radios. answer technical queries over the telephone and cannot 489 Monitors provide information on spares Every year Sony hosts a major European event in Guidance on repairing monitors and related equipment. Berlin, where new products are unveiled and other than that given in our advances in CE technology are introduced. George Spares Guide. Cole reports on this year's presentation. 492 VCR Clinic 493 Test Case 486 Disclaimer 460 The Panasonic Euro-4H chassis We work hard to ensure that the The 4H version of the Euro-4 chassis incorporates 494 TV fault finding information presented in Television 100Hz scanning. An added PCB takes over from is accurate. However, Television's the previous video processor/RGB publisher - Highbury Business processor/timebase generator chip. Brian Storm 498 Web service Communications - will not take describes the change and what it involves. Useful websites for TV professionals, technicians responsibility fo-r any injury or loss and enthusiasts. of earnings that may result from 462 Help wanted applying information presented in 500 Audio faults the magazine. It is your Hints and tips on repairing professional and responsibility to familiarise yourself 469 Service Casebook consumer equipment. with the laws relating to dealing Michael Maurice selects interesting items from his with your customers and suppliers, notebook. and with safety practices relating 502 Satellite notebook to working with Digibox fault reports. Digital channel update. C - electrical/electronic circuitry - 470 Practical PAT testing band transmissions from Atlantic Bird 3 at 5°W. particularly as regards electric Ian Rees concludes his guide, with details of an easy - Middle East newsfeeds. shock, fire hazards and explosions. to -build tester. 474 Books to buy 505 Next month in Television 476 Test report: 506 What a life! A further batch of emails brings all manner of the Sony RM- subjects to the fore, including customer problems VL700T universal and humour, cat's -whisker and other early radio RC unit receivers, camerawork and filmmaking, and the Jeff Scoins finds the ideal decline in broadcasting standards. Also possible Next issue, dated problems with use of the Astra 2D satellite. Donald universal remote -control July, on sale June 18 unit in the Sony range. Bullock's monthly commentary. TELEVISION June 2003 449 Clearance Sale - 20 Remote Controls £20.00 (mixed all well known brands) HITACHI A -ABATTERIES5p each FERGUSON VIDEO DECKS AMSTRAD ADAPTOR - VPT - TEXT - AIWA 1500 UE33-BO I £3.00 NEW TYPES MAIN SWITCHES VA354 £2.00 MATSUI VXA 1100 MRF7-7E33 10 MIXED £2.00 CAMCORDER BATTERY HIGH MATSUI 1500 MATSUI ORION VIDEO TUNER IF VT311-VT210-VT311 CAPACITY 9.6V 1800MA-VA310 ORION D1094 £5 £9 POST £5.00 REEL DRIVE £2.00 £3.00 ORION D1096 FERGUSON ZSK2761 CAMCORDER BATTERY CHARG- ORION D2096 ETC IF2105-RE £5.00 600v/lOamp N FETS £100 CAPSTAIN MOTOR FOR ABOVE MTP201 I -APO() £5.00 £5.00 ER 9.6 VOLTS VAZ65 EACH £6.00 TDA 8362N DECKS £8.00 UHF - ICC5 £5.00 15p CAMCORDER CAR ADAPTOR 24CO2 20 HIGH VOLTAGE CAPS 1500V - VHF - ICC5 £5.00 TDA8I78S £5.00 CHARGER - AND BATTERY- 2000V MIXED £1.00 TX85, TX86, TX89, TX90 £3.00 VA308 TDA2653A EACH £4.00 TDA4866 £3.00 £5.00 TX98, T99, TX100 EACH £4.00 MITSUBISH VIDEO CAMCORDER LENS 20FF - FILTERS HEAD & DRUM 948B231820 £10.00 TELE-CONVERSION LENS x1.4 & FERITE CABLE CLAMPS EACH 30p ORION 1500 - UE33 B09 £4.00 HEAD 928B654080 £5.00 x0.7 £1.00 PANASONIC UNIT GUM IDLER £2.00 CARDIOID CAMERA MICRO- HANDSETS SMALL UHF/VHF £3.00 LOPT CT2145 £5.00 PHONE -VA SUPER 218 TELE- 3 IN ONE PHILIPS UNIVERSAL HANDS SET £5.00 FERGUSON CT246 £5.00 SCOPIC BOOM & STAND £5.00 DECCA DOUBLE SIDE NICAM £10 PHILIPS TUNERS NTSC FS936E CHROME BOARD-ICCS NICAM LCD £4.00 ICC5 NICAM SINGLE BOARD ICC5 £3.00 I/Cs U4647TKF OR HA11498 £6.00 FERGUSON £10 PHILIPS TUNER U1343/5 31-39-147- DECK AND CAPSTAN MOTOR: 15281 £3.50 BSB £1.50 TATUNG FV61LV- FV62LV, FV67LV 10 OFF NEW TYPE HAND SETS FV4IR/3V59 £10.00 UNIVERSAL 205 OR EQUIVALENT FV68LV MITSUBISHI £5.00 + £5.00 POST FV4 I R/FV42-FV51-52 WITH AERIAL SOCKET £3.00 NEW CHASSIS TUNER EACH £30.00 ICC5 £7.00 ALL COMPONENTS AND LOPT FV70B, FV71LV, FV72LV, [K2000, IK7000 EACH £4.00 TELEVISION MAINS LEAD WITH CT2IAVIBS1 £6.00 POST £5.00 FV74LVX SRD2, SRD3, SRD4 EACH £1.00 MOULDED PLUG 2'/2 METRES CT28AVIBSJ EACH £30.00 T780 £2.00 LONG 20p EACH CAR IMMOBILISER WITH KEY FV77HV £30.00 TV/SATELLITE WITH FST £3.00 3 CORE COMPUTER MAINS LEAD £5.00 FV3IR £12.00 HITACHI 2'/2 METRES LONG £1 EACH TUNER UE25-B56D £3.00 HEAD AND DRUM CPT2158 (NO REPLACEMENT) FERGUSON ICC 7 HAND SET £3.00 MODULATOR-SATELLITE-T1040- £5.00 MOTORS SRD3/4 £2.00 FERGUSON VIDEO VIDEO RM933E VIDEO PLUS HITACHI PANEL-T1228B FV90 LV HAND SET £3.00 £30.00 CAPSTAN 150E £3.00 TEXT FOR TX89, TX98, TX99, FV80 LV HAND SET £3.00 MATSUI MATSUI BRIDGE RECTIFIERS 10 FOR £1.00 TX100 £6.00 1500 £5.00 CAPSTAN I/C NO. M56730 ASP CAMCORDER -UNIVERSAL PANEL -TUBE BASE-ICC5 £5.00 VSR 1500 £4.00 £15.00 BATTERY 9.6V - 1400MA FOR PANEL-TUBE-BASE-TX89, TX98, VX3000 £3.00 2 TYPES 1995 TO 1997 MODELS JVC-PANASONIC-PHILIPS£5.00 TX99 £5.00 3000/ORION - TV AND VIDEO £2.00 MATSUI VIDEO DECKS WITH DESOLDER PUMP £2.00 PANEL -TUNING 1509G-TX9, TXIO RC = PACE 900, FERGUSON, CAPSTAN MOTOR AND HEAD FILTERS - 455 & 480 EACH 10p £5.00 SONY, GRUNDIG £5.00 P/P £5.00 £20.00 GAS SOLDER IRON-PORTASOL PUSH BUTTON UNIT-TX85, TX86 - MITSUBISHI MITSUMI HOBBY £10.00 8 BUTTONS £5.00 RM35 - VIDEO £5.00 MOD MRF7-UF32 £5.00 INFRA RED DETECTOR NOKIA MOD TMUG3-103A £5.00 WIDE/SHORT ANGLE WITH HITACHI RC202 £4.00 MITSUBISHI RELAY £5.00 DECODER -TELETEXT PC232A5 - VP9401 CAPSTAN-HSE4I-I/C MSI782ASP INFRA RED RECEIVER-MATSUMI ISSUE 4 £15.00 DI096 12.1111 MINIATURE £1.00 HEAD AND DRUM - 620E £12.00 VXA 1100 PANEL -1K2-FM221 I STEREO £5.00 TELETEXT CONVERSION KIT AND VIDEO PLUS 12vto 15 D.C. PSU AC 9V IA £1.50 SAMSUNG TV MODULATOR WITH LEADS QUARTZ HALOGEN - £3.00 CORE 2 904 ITT TEXT PANEL £3.00 HANDSETS, TV & VIDEO - 12 VIDEO IV 75R 500W 200V FOR OUTDOOR AUDIO IV 10K 1996/7 MATSUI TYPES EACH £3.00 LAMPS £1.00 COMPLETE REPAIR KIT, CLUTCH HVIO0 £3 EACH RELAYS -SUB MINIATURE 25p VIDEO CHASSIS WITH TUNER-IR POST £4.00 £5.00 AND PINCH ROLLER, IDLER SATELLITE TUNER UNIT -2427611 TV AERIAL AMPS VHF /UHF MATSUI - ORION D2906 MATSUI £7.00 .... BASE BAND/VIDEO OUT 1 WAY 20dB EACH £5 £3.00 DECKS WITH HEADS - TUNERS 2 WAY18dB EACH £5 HITACHI D1096 VXA110 VP 9401 £16.00 IF TERC8-022A TBJZA-00ZA-ALPS 4 WAY 10dB EACH £5 AC ADAPTOR 19v DC 2.5A SW HEAD-VSR 1500 = ORION D2096 £3.00 8 WAY4dB EACH £5 MODE £3.00 £5.00 SATELLITE SXT2302 180968£3.00 240v MAINS SCART TO 4 PHONO LEADS 1.5M PANEL-MAIN-VSR 1500 SATELLITE £3.00 P/P £5.00ea £3.00 SCART TO 6 PHONO LEADS £3.00 WITH BASE BAND MIN COMPUTER 3 PIN MAINS LEADS SCART TO "D" PLUG £1.00 SXT2302234 £4.00 2'A METRES LONG - GREY SCART TO SCART LEADS - SAMSUNG TECUS983 VA24A SMALL UNF/VHF £3.50 EACH £1.50 ALL PINS CONNECTED VHF -Tuner with Aerial Socket VHF/UHF - TEKE4- 112A £4.00 2 METRES LONG - BLACK - 1.5 METRES UHF Fit most new TV's £5.00 4944 EACH £1 MODULATORS £2.00 U321, U341, U342, U343 1 SOUND 5.5MHZ MPM 1000T £1.00 FERGUSON NICAM MODULE III U344, U4I I, U412.