Today on my workbench, a Nintendo Virtual Boy with a broken LCD screen on the right side of the device. I learned that the adhesive that has been used on the flat cable will damage the traces of the flat cable, and that is the reason that the screen of the Virtual Boys will stop […]
Category: bL0g
Roland MT-32 for recap on the workbench
Nice machine to play around with. More information about it: https://en.wikipedia.org/wiki/Roland_MT-32 The owner wants a recap on the machine, so I did that job.
Amiga 1200 no boot – black screen
Amiga 1200 on the bench with black screen, no power led blink and no disk drive ticking. DiagROM via serial output works, but no left mouse button. Let’s see.. First thought was U7 (CIA) because left mouse button and no FDD ticking sound. Removed U7, placed a PLCC socket and added a new CIA (8520) […]
Pioneer CLD-515 Power Supply Fix
Some WARNINGS before you start to fix your own PSU: If you have no experiences with repairs like this DON’T DO IT! If you try to fix it, it is at your own risk! Beware of the HIGH 300V+ (DC) voltages!! Beware that some capacitors can hold high voltages for some while, unload them with […]
Videopac G7200 – display not good and no audio
Got a Videopac G7200 on my bench. problems: Display shows horizontal bar No audio Power switch broken Display This is what the display is showing. \ Problem: Vertical Deflection is not good, good chance that a few capacitors are worn out. Lets have a look on the schematic: C51 must be 100uF, reads 62,77uF. Replaced […]