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There are currently no product reviews.
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Happy to find finally a schematic for this amplifier. The schematic is of good quality, the pcb layout is useless: all is black. Never the less, it is very easy to find the components on the board using the schematics.
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Hard to find manual was ready the next day. Scans were very legible (including schematics). All the essential parts of the service manual were present (adjustment procedure, schematics, and parts list). It would have been nice if the rest of the manual was included (disassembly procedure, theory of operation, etc.).
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The Service Manual for the Kenwood KR-V55R provided by owner-manuals.com was as described/advertised. The contents provided the necessary information to effect a diagnosis of the unit. The schematics above all else was instrumental in tracing the the signal flow from component to component.
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This manual was the factory original. Excellent value and contained all the details I needed. Easy dowwnload provided the information when I needed it.
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Impeccable, document très complet. Perfect, i get all i need. All schematic are correct. Thanks
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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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