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Conference cookie::notes$archive:cd_v1

Title:Welcome to the CD Notes Conference
Notice:Welcome to COOKIE
Moderator:COOKIE::ROLLOW
Created:Mon Feb 17 1986
Last Modified:Fri Mar 03 1989
Last Successful Update:Fri Jun 06 1997
Number of topics:1517
Total number of notes:13349

594.0. "Leaving it in" by WILVAX::BSALLOWAY () Thu Jan 08 1987 20:17

    I have a Pioneer Pd-M6 CD changer, which utilizes a 6-disk magazine
    to play up to 6 CDs in one session.  It also has a drawer for a
    single disk.  Since I don't have that many CDs (*yet*), I find it
    convenient to just leave the magazine in the player and turn the
    power off.  I was wondering if this had any affect on the player
    or the disks, either with the multi- or single disk magazine.
    
    The magazine makes storage easy, since I can store 6 related disks
    in one place without opening and closing 6 jewel boxes.  But the
    lazy man's panacea is to just have 6 Talking Heads albums available
    with the flick of a switch.  Am I doing any harm?
                 -Brian
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594.1Leave it on!THORBY::MARRASee Romans 6:23 for more detailsFri Jan 09 1987 11:5113
    
    On the suggestion of Walt and a couple of others, I have had my
    entire system *ON* since about mid-summer.  The system *does* sound
    better after being on a few days, and it has not suffered any
    drawbacks.  My suggestion is to leave the entire system ON for a
    week and see if you notice any difference in the sound.
    
    In answer to your question, I don't know, but I can't think of any
    reason why leaving the discs in the machine would hurt anything;
    unless the machine gets really really hot and the discs melt.
    	
    						.dave.
    
594.2No Pohblem!!MIGHTY::MICHAUDFri Jan 09 1987 12:498
    Well, I also have this unit. I like it... Reading the manual, if
    I remember correctly, states that you should remove the magazine
    from the unit when not in use. I don't see how leaving it in will
    hurt the unit or the disk. The only potential problem that I see
    would be weakening of the springs on the front door.. Once the disk
    has stopped playing (either on it's own or by you hitting stop or
    eject), it is retracted back into the magazine, where it stays in
    stop mode. Well, that's my two cents worth. 
594.3but what about...NEXUS::GORTMAKERSat Jan 10 1987 02:489
    re: leaving it on.. My amp has not been turned off for 2 years with
    the only exception being a power failure with no problems.
    However, the owners manual on the cd player said to turn off 
    when not in use to conserve the life of the unit.
    Question: is the laser operational(running) when the unit is
    on but not playing a disk? anyone know?
    
    -jerry
    
594.4Mine hasn't munched itself or a disk yet...EUREKA::REG_BMoutain Man(iac)Tue Jan 27 1987 21:1028
    
    	I also have this unit ("I have this unit also" ?).  Anyway, I
    leave cartridges in it most of the time.  Due to a problem that
    I *MUST* get around to some time, I power it off when not in use
    since it transmits (either radiates or goes back through the power
    cord) something horrible that my tuner doesn't like.  As long as
    you don't hit the power button while a disk is playing I don't see how
    it will do any harm.

    	Reg
    
    PS Thanks in advance for all the tips I'm going to get on how to
    isolate and cure the interference problem.   The reason it doesn't
    bother me is that it is the tuner that is affected, not the amp,
    so turning the CD player off when listening to the radio is quite
    acceptable.
    
    	As to the issue of having the CD player warm, I suspect that
    cycling it would have shaken out infancy problems earlier, i.e. more
    probable that they would have been discovered in the warranty period,
    and a burned in unit doesn't benefit significantly from staying powered
    on (reliability wise).  Since most of the active logic is digital its
    probably a binary condition as to whether it works or not, this only
    leaves the D-A section, if that has significantly different linearity
    as a function of temperature then thats a bug that I would want fixed.
     
    
    
594.5MAGIC::DICKSONWYSIWYG is a crockMon Feb 02 1987 19:1910
My CD player instructions warned against placing the unit
too close to a tuner, as there would be interference.  Mine
is two shelves away, with a tape deck in between, and there
is still some fuzz getting through.  I turn the play off
when I am not using it anyway, as otherwise it gets quite
hot.  (This is normal, the book says)

Only a problem if I want to tape the CD/tuner while listening
to the tuner/CD.  This has never happened, so far.  (My amp
has an independant program selector for the "record out".)