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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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COMPACT DISC PLAYER (AUDIO) x CD PLAYER (AUDIO) x DISC PLAYER (AUDIO) xx AUDIO EQUIPMENT xx COMPACT DISC (AUDIO) xx DIGITAL AUDIO CD player phase corrector. Overcomes the time-delay problem when only one digital-to-analog converter is being used to decode both the left and right channels. Tips on modifying a Magnavox (Philips) 1040, 2040 or 3040 compact disk (CD) player. Op amp meets CD. Getting high performance sound from a CD player will reguire applying POOGE principles to the analog circuits, power supplies, contacts, wiring, etc. An overview of the steps to be taken. Modifying Yamaha's CD2 player. Changes to the analog section will improve the sound. Techniques are applicable to other manufactures' players. Servo circuit designed to control DC offset in the Sony CDP-520ES. Adventures with the Magnavox 2040SL. Simple modifications for the Magnavox series of CD players. Est. cost: $100. POOGE-4. Philips and Magnavox CD player modifications. Part 1. Includes a related article evaluating the modifications. POOGE-4. Philips and Magnavox CD player modifications. Part 2. Includes a related article evaluating the modifications. Greening Magnavox 14-bit CDs. Three levels of modifications to improve a Magnavox FD2040SL. Apple II stereo remote control. Interfacing a computer to a CD player's keypad and display circuitry. Use the computer to program the CD and keep track of which CD is currently being played. Direct modifications for the Magnavox CDB-560 CD player. Test report on the ADCOM GCD-575 CD player. A simple, high quality CD output amp. Also shows how to modify the analog output section of a CD player (Philips model 303) so that the signal can be input to this new amplifier section. Tips on upgrading (POOGEing) a TEAC CD player. Tip on dampening vibration of CD players by filling empty portions of the cabinet with latex bathroom caulk. High performance analog circuitry for CD players. How to redesign the analog sections to improve the quality of the music. Improving the Magnavox (Philips-based) CDB-650's DAC, analog section, clock jitter, grounding, and power supply. Tips on modifying older CD players (those which use CDB-650 digital technology). Tips on eliminating resonance (vibrations) in the pressed steel case of CD players which can affect the sound quality. Tips on using the Burr-Brown OPA2604 dual operational amplifier to upgrade a CD player. Tips on revamping a CD player chassis to improve damping. PC board correction for the Magnavox 471 disc player is noted. Review of Radio Shack's Optimus CD-3400 portable CD player. Includes tips on connecting the player to your amplifier and improving the battery power supply. Using lead foil to dampen vibration in low-cost CD players. A 6.3-volt power supply for the Radio Shack CD3400 portable CD player is better regulated and has less noise than the typical battery eliminator. Using filtering to overcome mistracking of a Dolby processor when a "noisy" CD player with 1-bit DAC technology is being recorded on a cassette deck. AC line filter for use with a Philips-style CD player. Curing vibration ills. Using low-tech methods to harness and eliminate unwanted vibration effects in audio system components (such as CD players and turntables). Simple enhancements to improve the sound of your CD player. (1) Capacitorless output. (2) Change the output capacitors to oil-and-paper or oil-filled caps. A universal CD-player digital output. An interface design that lets the CD player (transport) communicate with an external device (digital-to-analog converter/DAC). Part 1. Circuit description. An optical (non-wire) interface for connecting a CD player to the DAC (digital-to-analog converter). Advantages include the elimination of ground loops, the lack of transmission-line effects, and absence of other bandwidth limitations. A universal CD-player digital output. Part 2. Construction. Tip on improving the audio quality of the Philips CD 960 compact disk player involves the use of inductors. Jitter reduction for Philips-based players. Reclocking project reduces jitter, improves CD player performance, and provides information on working with digital circuits. Rebuilding the Denon DCD-1015 compact disk player to allow variable-speed operation. Useful when playing CDs that have been remastered from old 78-rpm and/or 33-1/3-rpm recordings. Other models of variable-speed CD players are also noted. Upgrade the Rotel RCD 970BX compact disk player. Est. cost: $10. Headphone amplifier for CD players which lack a headphone jack. Build the "Tubehead" preamp to mellow the harsh sound of compact discs. A hybrid circuit that combines both low-noise solid-state op-amps and vacuum tubes. Est. cost: $79. Troubleshooting and repairing CD players and CD-ROM drives. The basics of how these devices work. Troubleshooting CD players and CD-ROM drives. Locating the source of common problems. Troubleshooting and repairing CD players and CD-ROM drives. Understanding how compact disk information storage and playback works will assist in making repairs. Troubleshooting CD players and CD-ROM drives. An extensive list of problems and possible causes. Troubleshooting and repairing CD players and CD-ROM drives. General inspection, cleaning and lubrication. Troubleshooting and repairing CD players and CD-ROM drives. Common problems and cures. Troubleshooting and repairing CD players and CD-ROM drives. Startup problems (any situation where the device refuses to recognize or play/access a disk). Troubleshooting and repairing CD players and CD-ROM drives. Tracking (play and seek) problems, servo systems, and a general procedure for performing servo alignment. Troubleshooting and repairing CD players and CD-ROM drives. Common problems that occur with a variety of Pioneer models, CD player "eye pattern" signals, and other items of interest. How to repair the most common home electronics problems. (1) CD player. (2) Videocassette recorder. (3) Video camera. (4) Cordless telephone. How to service a compact disc player that skips. A valued vacuum tube Denon 1500. Upgrading a CD player output stage to produce better audio quality than is currently available commercially. Includes tips on modifying the more common Philips/Magnavox CD players. Current-to-voltage converter for CD output. How to give your CD player a tube makeover for the best possible sound. Identifying defective electric motors. Emphasis is on small motors found in VCRs, tape players, turntables, etc. Includes instructions for building a Motor Voltage Box to supply various voltages for checking. Testing CD players. New standards for specifying compact disc player performance are examined. Emphasis and deemphasis for compact discs. A detailed look at what appears to be an anachronistic adoption of an old technique to state-of-art recordings. Repairing compact disc players. Part 1. How CD players work. Repairing compact disc players. Part 2. Features found on a typical CD player. Repairing compact disc players. Part 3. More typical player circuits, a look at mechanical systems, and adjustments you can make. Repairing compact disc players. Part 4. Adjustments (continued) and troubleshooting. Repairing compact disc players. Part 5. Troubleshooting (continued). How to repair CD players. An introduction to CD operation and basic troubleshooting equipment and techniques. | |||||||||
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