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Excellent quality. Easy process to download. No issues or problems at all - was exactly what I was looking for and needed. Great service.
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I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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For fast insertion on RIN, GIN, BIN inputs then brightness, contrast and white point RGB is possible
RGB output illustration during OSD mode During OSD, the DC level on RGB outputs is 200mV less then DC level on RGB outputs during black current measurement (contrast, brightness and white point RGB are inactive) � Blue stretcher The Blue stretcher can be divided into two stretch-frunction - the Standard blue stretcher - the Extended blue stretcher The blue stretcher reduces the R- and G- signals by 14% whenever the video signal exceeds a threshold level of 80%. The extended blue stretch With the extended blue stretch the reduction of the G-signal is 8% and for the R-signal it is 22% whenever the signal exceeds the threshold level of 80% When adjusting the white point be sure that the blue stetcher is inactive. In principal all features should be switched off during white point adjustments. � RGB output stages. Looking at the RGB output signals several DC-levels can be seen. The DC-levels of the H- and V-blanking are 0.5V below nominal black level of the video signal. At the end of the vertical blanking (line 19, 20, 21) the measuring pulses for Continuous Cathode (CCC)loop or two point black current stabilisation can be observed. These measuring pulses have three DC-levels: - A DC-level of-0.1V with respect to nominal black level during the leakage measurement (LO). This level is chosen so that it lies close to the black level in order to have an accurate measurement close to cut off voltage of the picture tube - A pulse of +0.25V with respect to nominal black level, which corresponds with a cathode current of 8µA - A pulse of 0.38V above nominal black level which corresponds with a cathode current of 20µA The pulse-levels of +0.25V and +0.38V can only be seen measured on alternating fields. The RGB blanking level tracks with the DC level of the black current measurement pulses. The RGB output stages supply the buffered RGB signals to pins 21, 20 and 19 respectively.
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