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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
IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC171 OF BD BOARD) ARE REPLACED
The IOP value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the optical pick-up label. When replacing the optical pick-up or non-volatile memory (IC171 of BD board), record the IOP value on the optical pick-up according to the following procedure. Record Procedure: 1. While pressing the [        AMS        ] knob and [  ] button, connect the power plug to the outlet, and release the [        AMS        ] knob â� ± p â� ± and [  ] button. p 2. Turn the [        AMS        ] knob to display â��[Service]â��, and press the [YES] button. â� ± 3. Turn the [        AMS        ] knob to display â��lop Writeâ�� (C28), and press the [YES] button. â� ± 4. The display becomes â��Ref=@@@.@â�� (@ is an arbitrary number) and the numbers which can be changed will blink. 5. Input the IOP value written on the optical pick-up label. To select the number : Turn the [        AMS        ] knob. â� ± To select the digit : Press the [        AMS        ] knob. â� ± 6. When the [YES] button is pressed, the display becomes â��Measu=@@@.@â�� (@ is an arbitrary number). 7. As the adjustment results are recorded for the 6 value. Leave it as it is and press the [YES] button. 8. â��Complete!â�� will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become â��Iop Writeâ��. 9. Press the [FILTER] button to complete. Display Procedure: 1. While pressing the [        AMS        ] knob and [  ] button, connect the power plug to the outlet, and release the [        AMS        ] knob â� ± p â� ± and [  ] button. p 2. Turn the [        AMS        ] knob to display â��[Service]â��, and press the [YES] button. â� ± 3. Turn the [        AMS        ] knob to display â��lop Readâ�� (C27). â� ± 4. â��@@.@/##.#â�� is displayed and the recorded contents are displayed. @@.@ : indicates the IOP value on the optical pick-up label. ##.# : indicates the IOP value after adjustment 5. To end, press the [        AMS        ] knob or [MENU/NO] button to display â��Iop Readâ��. Then press the [FILTER] button. â� ±
FORCED RESET
The system microprocessor can be reset in the following procedure. Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor, etc. Procedure : Disconnect the power plug, short-circuit jumper wire of JW705 and JW706 (RESET). � BAT BOARD (Component Side) �
JW706 JW705
CN703
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