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Excellent service manual, the only known point of note is the alignment of improvability scanned pages within the pdf page. The resolution is good.
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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
7615 Adjustments page 16
Touch-up Convergence adjustments
Enter the Digital Convergence Mode (DCM) by entering 0-6-2-5-9-7-(Status or Index) on the Remote control. The following menu will appear: Select an active channel or Aux Input. A signal must be applied to the set when performing convergence. If any Customer Adjustments need to be made, the Menu button can be used to toggle between the Customer Menu and DCM. The MPOSD ADJUST is used to center the Customer Convergence grid. A highlighted cross will appear along with the Convergence alignment grid. The highlighted cross should be centered onto the center of the Convergence grid. To perform a Touch Up Convergence, highlight SELECTION and press the right cursor button on the remote. The following menu will appear: Selections STORE, RESTORE FACTORY, and RESTORE DEFAULT are not shown after selecting SELECTION. Press the cursor down button on the Remote for these selections to appear. RESTORE FACTORY loads Convergence defaults from the Factory Loaded section of the Convergence Memory IC. RESTORE DEFAULT loads Convergence defaults from the sets software.
To perform a Touch-up Convergence:
1. Enter the Convergence Mode and select RED TO GREEN or BLUE TO GREEN. Do not select GREEN (Green Geometry) without placing a Template over the screen. To perform Green Geometry, refer to the Complete in-depth Convergence. Use the Cursor buttons on the Remote to Navigate from one adjustment point to another. Press the Status or Index button on the Remote to select ADJUST. Use the cursor buttons on the Remote to adjust the Red to Green or Blue to Green. Press the Status or Index button again to navigate to the next adjustment location. After Convergence alignments are complete, press the Menu button on the Remote to return to the SELECTION menu. Highlight the STORE selection and press the right cursor key on the Remote to save changes. Use the GREEN TO RED or GREEN TO BLUE selections to perform convergence when the Green CRT has been replaced.
2.
3. 4. 5.
Complete in-depth Convergence SCREEN CENTERING
1. 2. Make sure a signal is applied to the set. Enter the Convergence mode by entering 0-6-2-5-9-7-(Status or Index). Select an active channel or input. If the Customer settings need to be adjusted, pressing the Menu button will access the Customer menu. 3. Place a Template over the screen. 4. Select GREEN in the SELECTION menu. 5. Place a jumper across connector 1005 on the SSM to defeat convergence drive. 6. Using the centering rings on the Green CRT, center the convergence pattern onto the center point of the Convergence Template. 7. Press the Menu button on the Remote to return to the SELECTION menu. 8. Select RED TO GREEN in the menu. 9. Center the Red pattern onto the Green pattern. 10. Select BLUE TO GREEN in the SELECTION menu. 11. Center the Blue pattern onto the Green pattern. 12. Remove the Jumper on connector 1005. Note: If a CRT has been replaced, it is only necessary to perform Screen Centering for the CRT being replaced.
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