Pioneer CDJ-1000 CD Player "mount pcb" Questions

need to replace the whole PCB? you need to replace a switch, which is behind the plastic button and mounted on the PCB On the JVC cd Player at church, the play button broke loose from the front panel.

...? Mk3? On mk2's zener diode (D1221 - surface mount on JFLB / center display pcb) quite often goes short circuit and blows fuse / circuit protector IC106 - N10 400mA rating

working Mk1 ? Mk2 ? Mk3? On mk2's zener diode (D1221 - surface mount on JFLB pcb) quite often goes short circuit and blows fuse / circuit protector IC106 - N10 400mA rating http://www.technicsdjuk.com

...and it was. Take the cover off, and looking from the front you will see the power supply board mounted side ways on the left. Take a look at the two biggest capacitors on the board, they are the ...