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untouched pstwo v12, no standby led
untouched pstwo v12, no standby led –
I have a broken pstwo to repair here. Its never been opened, but the red standby LED doesn't come on. I checked with a known good Sony 8.5V DC wire, no dice. Upon disassembly and inspection, I get continuity between the pins and their thru-hole points on the other side of the mainboard. So that means the yellow plastic connector is ok. I checked all the onboard fuses, including the main power fuse: all ok. The power switch pcb is plugged in fine. Any ideas?
Burned out lightbulb ? :P
I looked closer. The trace is physically damaged, broken off from the board. I can wiggle the yellow connector and I see space between the board and the +Vcc solder/pin. Grounds look ok. I took the large tip to it and removed the broken trace. Two questions:
1) What guage stranded wire should I jumper between the pin and the main fuse?
2) Do I need to jumper to the two nearby points also?
Just to follow through on my own thread:
I used two pieces of 24 guage because I thought one might not be enough. Those other two points should be fine because the trace between them and the fuse is still intact. I found the power adapter plug to be broken, too. (I'm talking about the part of the power cable that plugs into the pstwo.) The inner conductor was broken off from the little piece of metal coming through the yellow plastic. Try as I might, I couldn't resolder it without it breaking off with a little stress testing. ...Hmmm...there sure are a lot more strands here than in those 2 pieces of 24-guage jumpered inside the ps2. I hope it doesn't blow!
Ok I get red light but when I power up, it turns green for a second then fades and starts dimly blinking green. Not enough current? I guess I should research on whats recommended for 8.5 volts and 1.5 amps.
Hmm according to this: (3w's)powerstream.com/Wire_Size.htm one more piece of 24 gauge should provide me with enough current, as it shows .577 max current for power transmission on 24 gauge. At 2 pieces currently, that would only be 1.14 amps. Am I correct here? Anyone?
Last edited by TinkerAndTamper; 11-14-2006 at 02:06 AM.
Ok guys, one more post, I sure hope someone helps me with this. I removed the two 24 gauge wires and put an 18 gauge in its place. Same thing: led comes on green for a second then fades and blinks. All fuses test ok. I know I'm getting 8.5 volts DC, as I measured it from the main fuse. Any ideas?