CD 100 Servo and Sub-Code CPU ROM backups
Some time ago i had a development F 8421 Compact Disc Player Handmodel nr. 85 on my workbench , The player had two development MAB processors and ROMS chips , i made a backup...
Category: CD 101
CD 101 Refurbish and Repair
bought a broken CD 101 , someone already had a go to fix it . but failed. Power supply has been recappen with 3 or 4 different brands of capicitors 33µf...
CD 101 Repair and Refurbish
Laser on/off direct to switch CD101 don’t use interconnection Laser on/off via Frontpcb Cleaning Solderside Decoder board Remove circuitboards New IC-Sockets Caps CDM-0 Board New Buttons Resoldering lots of dry...
CD 101 repair
CD 101 , Won’t read disc , Missing 1 channel , 2nd channel distorted sound… Lots of dust Clean solder side Found Broken trace Broken SAA7030 produced...
A record-disc player comprising a braking mechanism for braking a Disc
A record-disc player comprising a braking mechanism for braking a Disc Octrooi – NL8300731A – Platenspeler met en remmechanisme voor het afremmen van een plaat. Patent – US4562563 – A record-disc player comprising a...
Marantz CD 63
Some corners missing on PCB More PCB missing Laser power doorswitch connectors missing Small problem found Broken trace to Resistor 3554 Problem solved and testing