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ATE currently produces and markets two DOT4 brake fluids with the identical specifications: * Dry boiling point of 536 degrees Farenheit which is 122 degrees Farenheit above DOT4 Specifications, which is Super Racing Blue * Wet boiling point of 392 degrees Farenheit which is 113 degrees Farenheit above DOT4 Specifications, which is Original Brake Fluid TVP 200. Other than packaging, the primary difference between the two is color. The Blue is blue in color and the 200 is clear or light amber in color. This facilitates flushing and changing fluid such that if used alternately, the flusher will know that the job is done correctly when the color change is complete.
Here's the deal with the cartridge alignment page....the machine will spit out a series of black lines mixed with yellow ink and at the beginning of each of these lines is a "Green" check mark. The carriage moves back and forth over these lines and green check marks and reads them by use of what is called a "spot sensor" that resides on the right side of the carriage assembly. This is usually noticed by the blue ray of light that shines out of it. So if you are getting an alignment failure one of two things is happening....1)You've have got a bad cartridge (usually the color) and it is not laying down the right colors, specifically the green check mark or 2)You've got a bad spot sensor...even though it may still be shining the blue light, the sensor board can't process the information. Its an easy fix either way.
Here's the deal with the cartridge alignment page....the machine will spit out a series of black lines mixed with yellow ink and at the beginning of each of these lines is a "Green" check mark. The carriage moves back and forth over these lines and green check marks and reads them by use of what is called a "spot sensor" that resides on the right side of the carriage assembly. This is usually noticed by the blue ray of light that shines out of it. So if you are getting an alignment failure one of two things is happening....1)You've have got a bad cartridge (usually the color) and it is not laying down the right colors, specifically the green check mark or 2)You've got a bad spot sensor...even though it may still be shining the blue light, the sensor board can't process the information. Its an easy fix either way.
Here's the deal with the cartridge alignment page....the machine will spit out a series of black lines mixed with yellow ink and at the beginning of each of these lines is a "Green" check mark. The carriage moves back and forth over these lines and green check marks and reads them by use of what is called a "spot sensor" that resides on the right side of the carriage assembly. This is usually noticed by the blue ray of light that shines out of it. So if you are getting an alignment failure one of two things is happening....1)You've have got a bad cartridge (usually the color) and it is not laying down the right colors, specifically the green check mark or 2)You've got a bad spot sensor...even though it may still be shining the blue light, the sensor board can't process the information. Its an easy fix either way.
NOTE: Manual Convergence settings ARE LOST if the customer returns to AUTO
Magic Focus mode. (More Details) this situation is normal.
Bottom line: This is caused by two issues,
The Centering is off of any or all CRTs. (Don't forget Red and Blue Offset values).
The Horizontal Size needs to be changed by increasing H. Size by 20mm.
Readjust the Horizontal Size to the NEW specifications.
These are different that the original Service Manual.
They have been increased by 20mm on 51", 57" and by 25mm on the 65".
Before replacing DCUs, Please CHECK and confirm if any of the three color center alignments are off and readjust the Horizontal Size to the New specifications..
TO CHECK.
Clear DCU data by holding down the DCAM "Service Only Switch" and then POWER.
Make sure the Green is centered.
Make sure the Red and Blue is offset from center with respective offset value according to the SM information.
Readjust the Horizontal Size to the NEW specifications. These are different that the original Service Manual. They have been increased by 20mm on the 51" and the 57" and on the 65" it's increased by 25mm.
There IS NO NEED to replace DCUs.
The DCUs are not defective...All that is needed is to confirm the Centering Adjustment for the three colors and adjust the Horizontal Size to the NEW specifications. Adjust if any color is found to be out of adjustment specifications. If you don't understand this then you need live chat!
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