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old quantm fireball drives power problems

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maxword5

Post subject: old quantm fireball drives power problems

Posted: April 20th, 2007, 0:19

Joined: March 30th, 2007, 13:31
Posts: 92

salam alekm
i have hdds quantm with nearly same problem when i give it power just the led is flshing and dosent spin up the voltage that reaches to motor is 3 volt in some and 7 in one i measured it from good one its 8 volt what makes voltage drop in pcb?

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hddlab

Post subject:

Posted: April 22nd, 2007, 6:10

Joined: September 16th, 2006, 8:51
Posts: 141
Location: Vietnam

Did you try to swap PCB?

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hddguy

Post subject:

Posted: April 22nd, 2007, 6:59

Joined: November 9th, 2006, 15:15
Posts: 2984

The quantum fireballs are well known for electrical faults, particularly the Fireball LCT family. PCB replacement sounds like the best thing to do.

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maxword5

Post subject: i already repaired a pcb

Posted: April 22nd, 2007, 9:15

Joined: March 30th, 2007, 13:31
Posts: 92

salam alekm

i already repaired a pcb that had burned trans but the other that has no burn has no errors with trans it seems somthing in power circuit please any one has expirence in these tell me

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