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Dead laser

Laser diode has no output; disc not read at all.

5 repair logs

Victor RG-M1 Wondermega: Dead Laser, RGB Mod & Recap
+84 photos✓Successful repair

Sega — Wondermega

Victor RG-M1 Wondermega: Dead Laser, RGB Mod & Recap

Someone else's Victor RG-M1 Wondermega, JVC's branding of the Sega Wondermega, sent in for refurbishment and described as fully functional. It arrived with a blown supercapacitor and a loose capacitor rattling around inside the shell, later traced to a pad beside the DC input jack where the machine had taken a hard knock. Carts played happily but it would not read a single CD. A full recap followed, roughly 70 capacitors across every board, with white vinegar and isopropyl baths, flux and fresh solder over dodgy vias and the regulators, and DeoxIT through the karaoke pots and microphone jacks. The cart side came back fine, the CD side did not. A detour along the way cured the vertical jailbars on the composite and S-video outputs with an Oleg Endo RGB kit, tapping the Sony CXA1145M encoder and swapping the stock S-video port for a Saturn-style DIN. The supercapacitor was replaced and later superseded by an F-RAM install. The CD fault survived a complete chassis swap, a clean bill of health on every board and a working spindle motor, which left the laser. The owner sourced new old stock, and once it was fitted and its board recapped in turn, the machine read both originals and backups. Finished with UV protectant and packed up.

Dead laserDisc read errorJailbars+1
Jul 23, 20261 thread
PC Engine CD-ROM2 internal mechanism with the laser assembly, motor, PCB and wiring on the white plastic chassis, showing the shaft where the old crumbling gear sat and where the new 3D-printed replacement gear was about to be fitted.
+18 photos✓Successful repair

NEC — PC Engine CD-ROM2

NEC PC Engine CD-ROM² Restoration: Gears, Laser & Recap

This NEC PC Engine CD-ROM² threw everything at me: 3D printed gears, a dead laser, a Discman sacrifice and a spindle height mystery, before a full recap finally brought it home. Worth every frustrating hour of it.

Dead laserDisc read errorBroken drive rail/gear+1
Dec 28, 20254 threads
Sega Mega-CD 1 PCB during recap, showing multiple leaking capacitors removed, with soldering iron and desoldered components on white work mat.
+29 photos✓Successful repair

Sega — Mega-CD 1

Sega Mega-CD Model 1 Restoration (2nd Unit)

A second Sega Mega-CD Model 1, bought after my first died from a non-OEM laser: a full recap, deep clean, optical-drive service and joint reflow brought this one back.

Dead laser
Oct 4, 20256 threads
Macro of the Panasonic FZ-1 mainboard's power-supply section, the area worst hit by capacitor leakage: an L4960 regulator, the silver inductor L31 (marked 101), surrounding SMD diodes and resistors, a red status LED and the Panasonic "MDFUP064" silkscreen, with the through-holes darkened and corroded from electrolyte damage.
+21 photos✓Successful repair

3DO Company — Panasonic FZ-1

Panasonic FZ-1 3DO: Recap & ODE (2nd, Laser Donor)

This is the Panasonic FZ-1 3DO whose laser went to save its sibling. With the drive dead anyway, a full recap and an ODE installation was the logical conclusion.

Dead laserLeaking capacitors
Dec 4, 20234 threads
Panasonic FZ-1 motherboard with multimeter probes, solder wick, and desoldering tools during PSU trace repair and recapping restoration work.
+42 photos✓Successful repair

3DO Company — Panasonic FZ-1

Panasonic FZ-1 3DO: PSU, Laser Swap & ODE (1st)

PSU repairs on this Panasonic FZ-1 3DO required bridging badly damaged traces, and a missed ceramic cap connection sent the console into a reboot loop. Sourcing a replacement laser meant buying a whole other console, but it runs now, and has since gained an ODE with SD card access through the AV expansion bay.

Dead laserPSU failureMagic smoke
Nov 16, 20226 threads