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fm_towns:hg_hr_power_supply

Note that C7 must be no taller than 44mm? and spacing is about 7mm.

MICROFARAD VOLTAGE
C7 680UF 200V
C59 220UF 50V
C60 220UF 35V
C62 10UF 50V
C66 2.2UF 50V
C69 10UF 50V
C57 2200UF 10V
C58 2200UF 10V
C52 1000UF 25V
C53 10UF 50V
C54 10UF 50V

Reference for row and pin used. Look at the wiring harness connector itself not the PSU board.

COLOR FUNCTION
R1 P1 ORANGE Connected to fan (not critical)
R1 P2 YELLOW TownsOS Power off
R1 P3 RED Power Button
R1 P4 BLACK GROUND
R1 P5 BLACK GROUND
R1 P6 BLACK GROUND
R1 P7 BLACK GROUND
R1 P8 BLACK GROUND
R2 P9 BROWN 5V
R2 P10 BROWN 5V
R2 P11 BROWN 5V
R2 P12 BROWN 5V
R2 P13 BROWN 12V
R2 P14 BROWN 12V
R2 P15 BROWN -12V
R2 P16 BLACK GROUND
fm_towns/hg_hr_power_supply.txt · Last modified: 2021/07/07 21:41 by Cyothevile