Servicing satellite TV equipment /
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| Author / Creator: | Beer, Nick. |
|---|---|
| Imprint: | Oxford ; Boston : Newnes, 1998. |
| Description: | 1 online resource (viii, 160 pages :) : illustrations |
| Language: | English |
| Subject: | |
| Format: | E-Resource Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/13607943 |
Table of Contents:
- Front Cover; Servicing Satellite TV Equipment; Copyright Page; Table of Contents; PREFACE; ACKNOWLEDGEMENTS; Chapter 1. INTRODUCTION; Service necessities; Workshop conditions; Field operations; The fault; The repair; Intermittent faults; Adjustments; Repair estimates; Equipment lifespan; Service Information; Spare-part ordering; Chapter 2. TOOLS AND TEST EQUIPMENT; Hand tools; Ladders; Signal strength meter; Field monitor; Spectrum analyser; Test equipment for digital signals; Multimeter; Oscilloscope; Signal generators; Bench power supply; Frequency counter; Portable appliance tester.
- Infra-red output detectorInfra-red handset tester; Chapter 3. DISHES AND FEEDS; The dish reflector; Reflector constructions; Non-metallic dishes; When is it necessary to replace a dish?; Painting dishes; Dish antennae configurations; Dish alignment; Weak signals; Booms and feed mounts; Cables; Chapter 4. Depolarisers and low noise blocks; Depolarisers; Types of depolariser; Voltage switching (Marconi); The low noise block (LNB); DiSEqC (Digital Satellite Equipment Control); Chapter 5. Distribution systems; Signal distribution rnethods; Safety; Depolarisation control; I.f. distribution.
- Powering systemsChapter 6. Actuators and positioners; The actuator arrn; Actuator feedback; Positioners; Chapter 7. Tuners and tuning systems; The tuner; Chapter 8. Video processing circuits; Demodulators; Video de-emphasis, amplifiers and filters; Teletext; Chapter 9. Receiver audio circuits; EUTELSAT; Aadr DIGITAL RADIO; Digital audio via satellite; Typical symptoms; The audio path; The modern approach to audio processing; Audio switching; Muting; Dolby Surround and Pro-Logic; Audio power arnplifiers; Interfacing with the outside world; Chapter 10. Power supply circuits; Safety.
- Mains filteringFuse types; Linear PSUs; Rectifiers; Stnoothing/reservoir capacitors; Split supplies; Transistor regulators; IC regulators; D.c.-d.c. converters; Protection Zener diodes; Power indicators; Chapter 11. System control circuits; Fault finding system control circuits; Input problems; Output problems; Data buses; Memory circuits; Displays; Electronic variable resistors (EVRs); Chapter 12. R.f. modulators and amplifiers; What?; Conventional modulators/amplifiers; Voltage supplies; Signal inputs; Broadband modulators; Setting r.f. outputs; Internal modulator failures; R.f. amplifiers.
- Dealing with interference pick-upR.f. amplifier problems; Amplifier/modulator problems; Fault finding in general; Chapter 13. Decoders and descramblers; Security; Decoder interfacing; Videocrypt; Security process; Pirate Videocrypt hacks; Videocrypt faults; Lock-ups; Vision faults; Random operation of Videocrypt decoder; Radiation; D2MAC decoders; Chapter 14. Digital television and MPEG-2; Principles of digital video; Digital Television; Source Image coding; Application of redundancy; Transrnission modulation methods; Receivers; Data and communications; Servicing.