Convert ATX swithing for Power Suply Ham Radio

May 24, 2009

Do you have an interest in converting one of these, this ATX PS board has leads for +5 (RED), -5 (WHITE), +12 (YELLOW), -12 (BLUE) volts, Ground (BLACK) and switch (GREEN). Measured voltages on this particular PS (1996 P5-100 MHz Gateway) were about 5.15 and 11.75 volts. The remaining leads have been clipped off at the circuit board.

Wiring coming off an industry standard circuit board will be:
ORANGE +3.3v, YELLOW +12v, BLUE -12v, RED +5v, WHITE -5v, BLACK GND, GREEN Power On if shorted to ground, GRAY Power OK, PURPLE +5v stanby, BROWN +3.3v Remote sensing

If you like convert this switching for ham radio, only 13,8 v 30 Amps. Please read carrefully this schematic :




R 42 -for 13.8 V = 20 K

R 45 -for 13.8 V = 15 K

Comments

5 Comments

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  1. saya ada atx switcing bekas, untuk 5v nya 20 amp, apa bisa dimodif 13.8v 20 amp, dan apa kelemahannya untuk digunakan pada hf radio saya.

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  2. Bisa.... coba ikuti instruksi diatas. Saya gunakan bekas switching ATX 13.5volt untuk Kenwood TK80 gak ada masalah selama ini (rating power radio antara 30-40 watt normal.

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  3. masmasih kurang jelas tuh cara rombaknya tu ps tolong di perjelas lagi dong biar gampang di mengerti ato emailkan caranya ke hz_culun@yahoo.co.id terimakasih sebelumnya

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  4. saya ada atx switcing bekas, untuk 12v nya 18 amp, apa bisa dimodif 13.8v 30 amp, tolong di email ke harrybandi@yahoo.com.id, mohon bantuannya, terima kasih banyak.

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