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Very good quality original datasheet!I like this amazing website!!!!!!
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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.
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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
TROUBLE SHOOTING GUIDE
E-2. PREAMP IN THE PLAYBACK MODE
Is signal from heads fed to pin1 and 3 of P391?
YES NO
Check the DRUM and DECK mechanism
Is ON/OFF5V supplied to pin87 of IC301?
YES
NO
Check the ON/OFF 5V
Is REC(H) from pin79 of IC501 supplied to base of Q206(LOW)?
YES
NO
Check Pattern, IC501 and adjacent circuit
Is V.SW pulse from pin46 of IC501 supplied to pin11 of IC301?
YES
NO
Check SERVO/SYSCON
Is the signal from pin1 and 3 of P391 fed to pin82 or 85 of IC301?
YES
NO
Check P391and IC301
TO LUMINANCE SIGNAL IN THE REC
NOTE : 1) REC(H) : "HIGH" in the REC mode. "LOW" in the EE and PB mode
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