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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
2-4. Notes on Service
D12, D13, Q3, Q101 (PS-543 board) : Mount the part so as to be perpendicular to the board surface. Cover Q3 and Q101 with the AC heat conductive sheet. Refer to Section 2-10-2 �Removing/Installing the PS-543/544 Boards� for details. n If the sheet has breaks or cracks, be sure to replace it with a new one. AC heat conductive sheet : Sony P/N 3-615-731-0X Installing AC heat conductive sheet (1) Fold the AC heat conductive sheet into half. Fit the two projections on the AC shield chassis into the holes on the AC heat conductive sheet. (2) Affix the AC insulating sheet to the AC shield chassis with a new double-sided tape.
AC heat conductive sheet Double-sided tape
AC insulating sheet
AC shielding chassis Projections
F1 (PS-543 board) : Cut the vinyl tube (ø7.3 mm) to the specified length and cover F1 with it before mounting. Vinyl tube : Sony P/N 7-635-003-19
F1 23 ±2 mm Vinyl tube
R7 (PS-543 board) : Cut the leads of R7 as shown in the figure before mounting.
R7
Cut
Cut
Cutting leads : Cut the leads of mounted parts protruding from the B side of the board to the specified length. PS-543 board : 2.5 mm or less PS-544 board : 1 mm or less
Cut leads
2-6 (E)
CA-570 CA-570P
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