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This is a good quality scan of the service manual which includes an assembly diagram, block diagram, schematic, and parts list. Exactly what is needed to repair my KR-V55R receiver.
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Excellent concise manual. All needed information was included. Typeface and diagrams were clear. Very fair price considering what others are charging. Many thanks
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Response is a little slow- I had to wait 12 hours to receive download link but it says that it may take up to 24hrs.
Manual is old and was not produced in PDF- scanned copy is exellent.
Overall- value for money- I recommend
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Excellent quality and quickly delivered manuals at a fair price. Great care is taken in the reproduction process. Even photographs and highly detailed drawings are as clear as in the original. That cannot be said for some freelance manual copies I have obtained from the web. If you have exhausted your internet search of technical manuals, try Owner-Manuals.com. If they do not have it, I do not think it exists. Perhaps, if requested, they may be able to find it. Their resources are certainly greater than most. Shopping here certainly beats waiting for months or years for the manual you seek to appear in an internet auction or garage sale.
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Very detailed product, also it is a scanning from original, very useful if you have to service this type of amplifier ! Very good product, very hard to find!
1-10. Switch Settings on Boards and LEDs Description (CPU-251/229 Boards)
1. CPU-251 board
CN5 (G3) : Backup battery connector
ON
D6 (G2) : S-BUS Rx lamp This lamp lights for about 0.3 seconds when the data for a local station is received from the S-bus data link via a REMOTE1 connector. D7 (G2) : S-BUS Tx lamp This lamp lights for about 0.3 seconds when data is output to the S-bus line by a REMOTE1 connector. The lamp continuously lights when this unit is set to the primary station. When this unit is set to the secondary station, the lamp lights only during internal operation. D8 (G2) : 422 Tx lamp This lamp lights for about 0.3 seconds when data is output from the REMOTE2 connector to the RS-422 line. D9 (G2) : 422 Rx lamp This lamp lights for about 0.3 seconds when a command is received from the RS-422 line via a REMOTE2 connector. D10 (G2) : Not used. D11 (G2) : ACT lamp This lamp lights when the bus can communicate with the outside. The lamp of the board in operation lights when the CPU-251 board for backup is mounted. D12 (G2) : PRI lamp This lamp lights when the CPU-251 board is set to the primary station. D13 (G2) : RUN lamp This lamp lights when the CPU is running normally. D31 (A8) : This lamp lights when a REF signal is input. D32 (A8) : This lamp lights when a REF signal is synchronized.
Factory-shipped setting
CN6 (J8) : This connector is used for adjustment in the factory. CN7 (J8) : This connector is used for adjustment in the factory. CN8 (F7) : REMOTE2 TERMINATOR switch This is the terminator switch of a 9-pin REMOTE2 connector. Usually, set this switch to ON during use. Set it to OFF only during special use (e.g., bridge connection).
OFF
ON
Factory-shipped setting
CN9 (F7) : REMOTE2 TERMINATOR switch This is the terminator switch of a 9-pin REMOTE2 connector. Usually, set this switch to ON during use. Set it to OFF only during special use (e.g., bridge connection).
OFF
ON
Factory-shipped setting
CN12 (C9) : This connector is used for adjustment in the factory
HDS-V3232 MM
1-23 (E)
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