02208nam a22002057a 4500003000400000005001700004008004100021020001000062028007900072040002400151082001700175100005000192245008100242260007100323300000700394504151100401650004401912650001701956700002901973OSt20190430120448.0170710b        xxu||||| |||| 00| 0 eng d  aMES32  bNational Instructional Media Institute (NIMI)c36280d24/04/2017q09/06/17  aBSDUbEnglishcBSDU  a621.384bREP  aNational Instructional Media Institute (NIMI)  aRepair & Maintenance of PA and Audio Systems : For Modular Employable Skills  aChennaibNational Instructional Media Institute (NIMI)c2013,c2008  a87  aContents
Practical
Construct a Power Supply
Troubleshoot Defects in Simple Power Supplies
Troubleshoot the Elements of Public Address System
Fault Finding Procedure for Loudspeaker
Fault Finding Procedure for Microphone
Fault Finding Procedure for Preamplifier
IC Audio Power Amplifiers Using PC 1230
Identify and Operate the Controls of a Compact Disc Player
Identify Internal Parts of a CD Player
Servicing CD Player with the Complaint "Set Dead"
Servicing CD Player with the Complaint "Tray Does Not Open"
Servicing CD Player with the Complaint "Disk Not Reading"
Servicing CD Player with the Complaint "Track Jumps"
Servicing CD Player with the Complaint " DC Gets Ejected"
Servicing CD Player with the Complaint "Remote Not Working"

Theory
Power Supply
Power Supplies and their Defects
Public Address System
Audio Section Element
Impedence Matching and Types of Wire Used for Connecting Mic and Speakers in IF Section
Preamplifiers and Wireless Microphones
Audio Power Amplifiers Using IC's
Compact Disc Player
Internal Parts and Working of CD Player
Troubleshooting Audio/Video CD Player with the Complaint "Deadset"
Troubleshooting Audio/Video CD Player with the Complaint "Tray Does Not Open"
Troubleshooting Audio/Video CD Player with the Complaint "Disc Not Reading"
Troubleshooting Audio/Video CD Player With the Complaint "Track Jumps/Skips"
Troubleshooting Audio/Video CD Player With the Complaint "CD Gets Ejected
Troubleshooting Audio/Video CD Player With the Complaint "Remote Not Working"  aElectronics : Modular Employable Skills  aPA and Audio  aDGT, MSDE, Govt of India