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Excellent just what I needed to replace the electrolytic caps and make this old gem a beauty again. Was as scan of the original photocopied service manual.
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.
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.
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.
Complete manual including mechanical part in good pdf quality. Shaded greys of the pcb due to pdf not perfect but usable.
MICROCOMPUTERâS TERMINAL DESCRIPTION
Truth table 1 PS1-0 L H(L) H H PS1-1 L L(H) H H PS1-2 L L L H AUDIO OFF ON ON ON P-CON OFF OFF ON ON P-ANT OFF OFF OFF ON
Truth table 2 PS2-0 L H (L) H PS2-1 L L (H) H ILLUMI OFF ON ON FM+B OFF ON OFF AM+B OFF OFF ON
Truth table 3 MOSW L H Hi-Z LO/EJ H H L H CD mechanism operation Load Eject Lo/Ej invalid truth Brake
Truth table 4 (destination setting) model KDC-MP222 KDC-MP4023 KDC-M4524/G/Y/GY destination TYPE2 K M (E) E/E2 destination ports TYPE1 0 0 1 TYPE0 0 1 0
1. How to enter the test mode
While holding the Preset 1 and Preset 3 keys, reset the unit. â¢ CRSC : OFF regardless of the presence of switching function. â¢ SYSTEM Q : Flat â¢ BEEP : When pressing any keys, the buzzer generates a beep at any time. â¢ SYSTEM Q MENU : OFF
2. How to exit from the test mode
Reset the unit, ACC OFF, power OFF and Panel detached. (Note) The test mode cannot be terminated by momentary power down.
4. Special display in Tuner mode
When any of the following messages is displayed in Tuner mode, the F/E may be abnormal. â¢ "TNE2P NG" : The EEPROM is set to the default (unstable values) because the F/E was shipped without passing through the adjustment process, etc. â¢ "TNCON NG" : Communication with the F/E is not possible.
3. Initial status in the test mode
â¢ Sources â¢ Display â¢ Volume â¢ Loudness : ALL OFF : All segments are lit. : -10 dB (displayed as "30") : OFF