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Junior Varsity
JBL PRX series auto-off disable?
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<blockquote data-quote="Pete Dunn" data-source="post: 214257" data-attributes="member: 14245"><p>I thought that I had better add a bit. On these units the actual muting part of the circuit is on the Class D amp/ power supply card. The front panel DSP card controls this via the ribbon cable, centre pin nearest the edge of the front panel input card. If the screws that hold the connectors to the front panel are removed, removing another 8 or so inside attaching the card to the stand-offs will let you hold the PCB in your hand. The small PCB track that goes to the centre pin carries the 'kill' signal. If the PCB track is cut the amp will stay on forever! Pete</p></blockquote><p></p>
[QUOTE="Pete Dunn, post: 214257, member: 14245"] I thought that I had better add a bit. On these units the actual muting part of the circuit is on the Class D amp/ power supply card. The front panel DSP card controls this via the ribbon cable, centre pin nearest the edge of the front panel input card. If the screws that hold the connectors to the front panel are removed, removing another 8 or so inside attaching the card to the stand-offs will let you hold the PCB in your hand. The small PCB track that goes to the centre pin carries the 'kill' signal. If the PCB track is cut the amp will stay on forever! Pete [/QUOTE]
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JBL PRX series auto-off disable?
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