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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
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4. From ServMecha , select DVD-1 layer in FE Test Mode (Front End Test Mode). (For the details of the test mode, refer to ServMecha in the test mode menu in "6. Test Mode")
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5. Select Power On, and after the automatic offset adjustment is completed, move the pickup to the inner periphery (CRG-Home). After turning on LD by selecting LD ON/OFF, select Focus Close to close the focus.
6. After the automatic adjustment is completed in FE Test Focus Close screen, select T.Bal. After the automatic adjustment, select Tracking Close to close the tracking.
7. Use ID Search to perform middle periphery (ID: 100000) search to move PU to the middle periphery. Explanation of ID Search ID: 4A000000 [Example] To search ID: 40000, select [2] Cursor Left and press [Enter] for 5 times to move the cursor to the 5th digit, and select [3] Cursor Up and press [Enter] for 4 times. When the display is changed to ID: 40000, select [5] Start ID Search and press [Enter]. * If Search operation is failed, please restart from the top menu of ServMecha in the test mode.
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8. In case of method 1: Please go on to step 9. In case of method 2: Perform all automatic adjustments after Tracking Open once, and then close the tracking with the command that is available for RF display. 9. Using torx driver (T2) (GGK1095) , In case of method 1: Turn the skew adjustment screw A slightly while monitoring RF waveform level in the oscilloscope and set the level to the maximum. At the middle periphery of pickup, turn the skew adjustment screw B slightly and set the level to the maximum. At the middle periphery of pickup, turn the skew adjustment screw A slightly again and set the level to the maximum. (Adjustments should be performed in the order of A, B, A, and please make sure each adjustment is completed as the screws turned to the right.) In case of method 2: Turn the skew adjustment screw A slightly while monitoring RF level in OSD and set the level to the maximum. At the middle periphery of pickup, turn the skew adjustment screw B slightly and set the level to the maximum. At the middle periphery of pickup, turn the skew adjustment screw A slightly again and set the level to the maximum. (Adjustments should be performed in the order of A, B, A, and please make sure each adjustment is completed as the screws turned to the right.)
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AVIC-F90BT/XS/UC
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