Silicon ChipQueensland TV repairs need a safety check, not a licence - February 2003 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Queensland TV repairs need a safety check, not a licence
  4. Feature: PICAXE: The New Millennium 555? by Stan Swan
  5. Project: The PortaPAL Public Address System by John Clarke and Leo Simpson
  6. Review: WM232-UHF Wireless Modem by Peter Smith
  7. Project: 240V Mains Filter For Hifi Systems by Ross Tester
  8. Project: The SC480 50W RMS Amplifier Module; Pt.2 by Peter Smith and Leo Simpson
  9. Product Showcase
  10. Feature: Using Linux To Share An Optus Cable Modem; Pt.4 by John Bagster
  11. Project: A Windows-Based EPROM Programmer; Pt.3 by Jim Rowe
  12. Weblink
  13. Vintage Radio: Aligning TRF & superhet radio front-ends by Rodney Champness
  14. Feature: Tracking Down An Elusive Fault In Windows XP by Stephen Davis
  15. Notes & Errata
  16. Market Centre
  17. Advertising Index
  18. Book Store
  19. Outer Back Cover

This is only a preview of the February 2003 issue of Silicon Chip.

You can view 27 of the 96 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Articles in this series:
  • PICAXE: The New Millennium 555? (February 2003)
  • The PICAXE: Pt.2: A Shop Door Minder (March 2003)
  • The PICAXE, Pt.3: Heartbeat Simulator (April 2003)
  • The PICAXE, Pt.4: Motor Controller (May 2003)
  • The PICAXE, Pt.5: A Chookhouse Door Controller (June 2003)
  • The PICAXE, Pt.6: Data Communications (July 2003)
  • The PICAXE, Pt.7: Get That Clever Code Purring (August 2003)
  • The PICAXE, Pt.8: A Datalogger & Sending It To Sleep (September 2003)
  • The PICAXE, Pt.8: The 18X Series (November 2003)
  • The PICAXE, Pt.9: Keyboards 101 (December 2003)
Items relevant to "The PortaPAL Public Address System":
  • PortaPAL PCB patterns (PDF download) (01103031-4) (Free)
  • Panel artwork for the PortaPAL (PDF download) (Free)
Articles in this series:
  • The PortaPAL Public Address System (February 2003)
  • 12V SLA Battery Float Charger (March 2003)
  • The PortaPAL Public Address System; Pt.2 (March 2003)
  • Fitting A Wireless Microphone To The PortaPAL (August 2003)
Items relevant to "The SC480 50W RMS Amplifier Module; Pt.2":
  • SC480 amplifier module PCB, TO-218 transistor version [01201031] (AUD $12.50)
  • SC480 amplifier module PCB, TO-3 transistor version [01201032] (AUD $15.00)
  • SC480 amplifier module power supply PCB [01201033] (AUD $5.00)
  • SC480 50W RMS Amplifier Module PCB patterns (PDF download) [01201031-3] (Free)
Articles in this series:
  • The SC480 50W RMS Amplifier Module (January 2003)
  • The SC480 50W RMS Amplifier Module; Pt.2 (February 2003)
Items relevant to "Using Linux To Share An Optus Cable Modem; Pt.4":
  • zplog script (Software, Free)
Articles in this series:
  • Using Linux To Share An Optus Cable Modem; Pt.1 (November 2002)
  • Using Linux To Share An Optus Capble Modem; Pt.2 (December 2002)
  • Using Linux To Share An Optus Cable Modem: Pt.3 (January 2003)
  • Using Linux To Share An Optus Cable Modem; Pt.4 (February 2003)
Items relevant to "A Windows-Based EPROM Programmer; Pt.3":
  • Upgraded Software for the EPROM Programmer (Free)
  • Windows-Based EPROM Programmer PCB patterns (PDF download) [07112021-5] (Free)
  • Panel artwork for the Windows-Based EPROM Programmer (PDF download) (Free)
Articles in this series:
  • A Windows-Based EPROM Programmer (November 2002)
  • A Windows-Based EPROM Programmer; Pt.2 (December 2002)
  • A Windows-Based EPROM Programmer; Pt.3 (February 2003)
  • Upgraded Software For The EPROM Programmer (June 2004)

Purchase a printed copy of this issue for $10.00.

PUBLISHER’S LETTER www.siliconchip.com.au Publisher & Editor-in-Chief Leo Simpson, B.Bus., FAICD Production Manager Greg Swain, B.Sc.(Hons.) Technical Staff John Clarke, B.E.(Elec.) Peter Smith Ross Tester Jim Rowe, B.A., B.Sc, VK2ZLO Rick Walters Reader Services Ann Jenkinson Advertising Enquiries Leo Simpson Phone (02) 9979 5644 Fax (02) 9979 6503 Regular Contributors Brendan Akhurst Rodney Champness, VK3UG Julian Edgar, Dip.T.(Sec.), B.Ed Mike Sheriff, B.Sc, VK2YFK Philip Watson, MIREE, VK2ZPW Bob Young SILICON CHIP is published 12 times a year by Silicon Chip Publications Pty Ltd. ACN 003 205 490. ABN 49 003 205 490 All material copyright ©. No part of this publication may be reproduced without the written consent of the publisher. Printing: Hannanprint, Noble Park, Victoria. Distribution: Network Distribution Company. Subscription rates: $69.50 per year in Australia. For overseas rates, see the subscription page in this issue. Editorial & advertising offices: Unit 8, 101 Darley St, Mona Vale, NSW 2103. Postal address: PO Box 139, Collaroy Beach, NSW 2097. Phone (02) 9979 5644. Fax (02) 9979 6503. E-mail: silchip<at>siliconchip.com.au ISSN 1030-2662 * Recommended and maximum price only. 2  Silicon Chip Queensland TV repairs need a safety check, not a licence Predictably, the Publisher’s Letter in last month’s issue has brought forth howls of anguish from all those affected by the new Queensland legislation requiring electronics servicemen to take out an electrical contractor’s licence. I have had quite a few people phone me to rant about how unreasonable the new re­quirement is, how they might avoid it (they can’t) and whether there are any sanctions (fines of up to $30,000). In every case, I have agreed that the requirement is unrea­sonable (stupid, ridiculous and ludicrous are other words that come to mind) and advised the person concerned to log on to relevant website (www.eso.qld.gov.au) and wade through what they must do. In some cases people have said that they could not understand the requirements on the website. Yes, I’m not sur­prised. The trouble with these people is that they think it might be logical and sensible – it isn’t and nor is the language and presentation of the website. I have also advised every caller to contact their local Member of Parliament and make their feelings known in the stron­gest possible fashion. That is what they should have done some time ago when we were campaigning for the right of everyone to do their own electrical wiring and related issues. Interestingly, on January 8th, the Brisbane “Courier Mail” ran a story stating that only 11 of an estimated 1000 repairs has applied for the licence, in spite of the new regime taking effect on 1st February 2003. A spokeswoman for Industrial Relations Minister Gordon Nuttall said that “the Government had done all it could do to alert repairers to the new licensing requirements”. Yeah, yeah. Funny that they did not take out any adverts in SILICON CHIP or other relevant magazines. No, whether you are a repairer or just a consumer, you should get onto your local member of parliament and tell him or her that the situation is ridiculous. Furthermore, tell them that if the Electrical Safety Office was really interested in safety, they would not require electronics repairers to take out an irrele­vant licence. At this stage the politician might be wanting an intelligent alternative. You can give them this: If the ESO is really concerned about the safety of repaired electrical and electronic appliances, why don’t they require that a standard safety check be done and each appliance be fitted with a sticker to say it has passed. The safety test could include physical and electrical checks of the power cord, insulation resistance and so on. Wouldn’t that make more sense? The relevant portion of the Electrical Safety Act should immediately be sus­pended, repealed or otherwise nullified, to allow some common­sense to be brought to bear. But again, I’m not hopeful. Leo Simpson Special note: due to a printing problem, many readers in Western Australia have had difficulty obtaining a fault-free December 2002 issue. We arranged for the issue to be reprinted and sent to WA but evidently many readers were still unable to get copies from newsagents. To help those readers, we can supply the December 2002 issue for $6.60, including postage, until the end of March 2003. www.siliconchip.com.au