Before we proceed.. THIS IS REAL ROCKET SCIENCE BE CAREFULL! Just kidding!! You need: RGB LED 2*5*7mm with common cathode ( you can find those at your local electronics store ) Header cable with enough length to cover the case width Resistors, see table below crimp tubes The LED Preview of the […]
Tag: Commodore
Amiga mainboard frequencies
Frequenties overview Pal system HSync 15.625 KHz VSync 50.00028194 KHz PAL_Hz=Systemclock/227/312.5 28Mhz 28.37516 MHz 14Mhz 14,18758 7Mhz 7.09379 MHz Y451 4.43619 MHz Y621 3 MHz NTSC system HSync 15,750 KHz VSync 59.94005233 KHz NTSC_Hz=Systemclock/227.5/262.5 28Mhz 28.63636 MHz 14Mhz 14,31818 7Mhz 7.15909 MHz Y451 4.43619 MHz Y621 3 MHz
Amiga tank mouse fix x-axis
Repaired a broken Amiga tank mouse ( rev-D A0102200 ). No X-axis movement. I compared the voltage levels of the IR-phototransistors with the levels of the Y-axis. There is a difference between the working axis ( Y ) ~460mv and none working axis ( X ) ~240mv. Voltage level on X-axis, 240mV Replacing IR-phototransistors There […]
Amiga 1200 Right mousebutton does not work
A1200. right mousebutton not working. and everytime you press the right mousebutton you hear a SLIGHT click in the speaker.. HERE is the solution! ground (!ha!!) to paula have no connection to ground on the 1200.. measure marked pin to ground on the motherboard and you will not have a continunity.. so make sure it connects to ground. and it will […]
CBM 8296D capacitor list
Capacitor list Download my used cap list: cbm-8296D-capacitor-list assy.no: 324645 Code Value Volt Ø(mm) H(mm) type C6 47uF 63 10 12 radial C11 47uF 63 10 12 radial C12 47uF 63 10 12 radial C9 100uF 10 6,3 11 radial assy.no: 251120-01 Rev A Code Value Volt Ø(mm) H(mm) type C89 220uF 10 8 12 […]