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There are currently no product reviews.
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It was helpful to get schematic with waveforms in important points and lot of service information. Manual is good quality, fast delivered. Of course it is hardcopy of paper one with all its disadvantages.
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I want to give you a real heads-up for your desire to enable such people as I to acquire the information I need to maintain the older types of equipment such as this Akai HXA351W. You do a swell job with all the processes you have to perform so I can have a legible, thus usable
document which does not send me crazy trying to figure out the blurry text of a bad copy.
Very well done, Thomas.
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This manual is very well presented and after printing out looks about as close to an original as I think you can get. The quality is second to none.
The content of the manual is comprehensive and I think it would be well suited to an audio repair professional which I'm not but I did find it very informative and helpful.
The cost of the manual is more than covered by the money I'll save when I change the keep memory battery now I have the relavant info.
Very pleased with my purchase and can recommend it wholeheartedly as I can other manuals I've downloaded from this site.
Regards
Limey Alex
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Complete manual including mechanical part in good pdf quality. Shaded greys of the pcb due to pdf not perfect but usable.
;
Nice pdf file of the manual sent promptly. Thanks.
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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