Pioneer PDP-V401 Field Service Manual page 18

Symptom: Set goes in to "power Down" mode within 1 or 2 seconds after turning on.
Cure: Unplug connector P6 from the power supply assy and power up again. If the unit stays on longer, quickly turn off
the unit to prevent further damage. Replace X Drive A and X Drive B. If there is no change after removing P6, replace
the connector and remove P7. It the unit stays on longer, quickly turn it off. The problem is on the "A" side. Further
troubleshooting will be needed to determine where the problem is (Y Drive A, Y drive B, or scan modules). DO NOT USE
THIS METHOD IF THE UNIT STAYS ON LONGER THAN 2 SECONDS TO BEGIN WITH.
Models Covered: PDPV401, PDPV402
Tip Date: July 10 2000
The Tech Name: Jeff Andrews
Symptom: Remote control commands will not pass through the PDPV402 to the PDA4003 down-converter.
Cure: You must use a VGA cable between the plasma and the down -converter that has all 15 pins wired.
Models Covered: PDA4003, PDPV402
Tip Date: February 01 2000
The Tech Name: Bernie Shelton
Symptom: When a XDRIVE A or XDRIVE B is found to be bad.
Cure: Replace both A and B together.
Models Covered: PDPV400, PDPV401
Tip Date: October 26 1999
The Tech Name: Dennis Walden
Symptom: Intermittent no video after turning set off & on.
Cure: The plasma set should be turned on BEFORE the video source.
Models Covered: PDPV400, PDPV401, PDPV402
Tip Date: February 08 1999
The Tech Name: Bernie Shelton
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