fm_towns:ha_type_power_supply
HA/HC/HB FM Towns Desktops share this power supply
C34 near the black relay will generally leak badly just like the other FMT Power Supply.
C06 requires 10mm spacing between leads. Everything else can use 5mm spacing.
| MICROFARAD | VOLTAGE | |
|---|---|---|
| C34 | 470UF | 25V |
| C30 | 470UF | 25V |
| C27 | 330UF | 25V |
| C05 | 1200UF | 180V |
| C07 | 47UF | 50V |
| C33 | 470UF | 10V |
| C29 | 1000UF | 25V |
| C26 | 1000UF | 25V |
| C24 | 2200UF | 10V |
| C23 | 2200UF | 10V |
| C22 | 2200UF | 50V |
Here is an explanation of the colors of the PSU wiring harnesses. There are two of them both being a single row. It's possible to cram an ATX inside the metal PSU shield as well if you follow this guide.
| Color | VOLTAGE | |
|---|---|---|
| P1 | RED | 5V |
| P2 | RED | 5V |
| P3 | RED | 5V |
| P4 | BLUE | 3.3V |
| P5 | BLUE | 3.3V |
| P6 | BLUE | 3.3V |
| P7 | WHITE | 12V |
| P8 | BROWN | -12V |
| P9 | BLACK | GND |
| P10 | BLACK | GND |
| P11 | BLACK | GND |
| P12 | BLACK | GND |
| P13 | BLACK | GND |
| P14 | BLACK | GND |
| P15 | BLACK | GND |
| Color | VOLTAGE | |
|---|---|---|
| P1 | RED | 5V |
| P2 | WHITE | 12V |
| P3 | WHITE | 12V |
| P4 | BLACK | GND |
| P5 | BLACK | GND |
| P6 | BLACK | GND |
| P7 | BLACK | GND |
| P8 | BLUE | ON-OFF SW (Power Button) |
| P9 | BROWN | TOWNS-OS OFF |
| P10 | NC | NC |
fm_towns/ha_type_power_supply.txt · Last modified: 2021/07/21 01:55 by Cyothevile