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Very helpful and complete manual. Maybe only one negative is schematics have sometimes unreadable name of the parts. But it's not a big problem.
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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
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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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