Troubleshooting the Voodoo 5 6000

What the heck has been happened to your Voodoo 5 6000?
No VGA Beepcode of the Mainboard
Possible causes
- Power Connector not connected.
- Power Suppy not working.
- Master GPU defective.
- HINT defective
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Solution
- Connect the connector.
- Repair the Power supply.
- Replace master GPU.
- Replace HINT Bridge Chip
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Colored Stripes and Lines
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Solution
- Replace related Memory Chips
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Burnt components near the coils
Possible causes
- Power supply serously damaged.
- The cause of this catastrophic defect is the aging process in general, and with almost certain probability defective capacitors.
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Solution
- This is a serious damage to the card with potentially serious consequential defects. In such a case all components of the power supply must be replaced. Especially all FETs and the controller U509, all diodes, capacitors and the small transistors.
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After power supply repair no function
Possible causes
- Power Supply provides not enough power
- Master GPU has died, due to overvoltage.
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Solution
- Check DC voltage of 2,8VDC
- Replace Master GPU
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Disturbed Picture, unstable brightness

Possible causes
- 2,8VDC unreliable, fluctuating
- Strange sound from the power supply coils
- Check 12VDC supply line, terminal lugs
- Check terminal brackets for cracks and bad
contact to the PCB.
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Solution
- Check 2,8VDC for stability
- Check the PWM control signal from the controller to
see if the duty cycle fluctuates significantly.
- Rework supply device, replace the Molex
connector.
- Rework solder joints in any case with a good deal
of heat and flux.
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Works only in single chip mode, otherwise bad picture errors

Possible causes
- Power supply too weak
- Power supply works only on one channel
- Check terminal brackets for cracks and bad
contact to the PCB.
- May one of the secondary GPU’s
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Solution
- Check 2,8VDC for stability
- Rework solder joints in any case with a good deal
of heat and flux.
- Check if all FET’s are working.
- Check reset lines and voltages
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No startup, black screen,no VGA beep may come on
Possible causes
- The SC2024 gets no enable signal from AGP port
- The SC2024 has died
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Solution
- Check signal at enable pin of SC2024.
- Replace SC2024, you must check all FETs for shorts
prior carry out the first test.
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