Dolby Laboratories 425 Specifications download pdf (Page 55)

Dolby

Professional Reference Monitor Manual 45

Appendix A

PRM-4200 Maintenance

ThischapterdescribessomebasicmaintenanceproceduresfortheDolby

PRM‐4200.

A.1 Replacing the Filter

YourPRM‐4200hasafilterinstalledthatyouneedtocheckperiodically.Whenthefilter

containsanexcessiveamountofdust,youneedtoreplaceit.

ToreplacethePRM‐4200filter:

1. ObtainanewfilterfromDolbyLaboratories(DolbyPartNumber6321540

2. UseaPhillipsscrewdrivertoloosenthetworetainingscrewsatthetopofthefilter

door,whichislocatedonthePRM‐4200rearpanel.

3. Usingbothhands,pullthefilterdooroutoftherearpanel,asshowninFigure A‐1.

FigureA‐1 

FigureA‐2 

Figure A-1 Remove Filter Door

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Dolby Laboratories 425 Specifications Page 55