wbl@lightning.Berkeley.EDU (Wen-Po Bobby Lee) (11/15/90)
Hello, Recently I lost the sound on my ARC PC/XT. I think I crossed the speaker pins but I am not sure which. I tested the speaker and it works fine. Does anyone know what I can do. Did I fry a chip or something? If so, which? Please respond by E-mail. Thanks in advance. --Bobby Lee
kris@beep.UUCP (Port'naybl) (11/17/90)
In article <1990Nov15.052618.2140@agate.berkeley.edu>, wbl@lightning.Berkeley.EDU (Wen-Po Bobby Lee) writes: > Hello, > Recently I lost the sound on my ARC PC/XT. I think I crossed the speaker pins > but I am not sure which. I tested the speaker and it works fine. Does anyone > know what I can do. Did I fry a chip or something? If so, which? On my XT clone (Fry's Electronic "Compustar") the speaker is driven by a little transistor that smoked when I accidently shorted the speaker leads together. Try looking near the speaker connector for a transistor or use a ohmmeter or a "light-probe" to find the PC(pun not intended) board trace that connects to the speaker connector. One side should go to power or ground, I'm not sure which. I trust you've already re-seating the speaker connector and check for broken wires at the connector(not always as obvious as it may sound). -- Port'naybl key!beep!kris woodowl!beep!kris "Look what they've done to my program, look what they've done to my code; They stuck it all on this floppy disk, and I think they got it wrong, ma..."