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Great tape deck manual!
I'm very positively surprised, because it is a very long manual, lot of pages, drawings, diagrams, description of how to make the alignment and adjustment procedures.
It is as good as the old "Naka" manuals from the 1970's - if somebody have seen them, they know what I mean by that.
I recommend to buy this very much !
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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
ADJUSTMENTS
No
ITEMS
SPECIFIED VALUES, CONDITIONS TEST CONDITIONS, REFERENCES CONNEC STANDARD VALUES RELIABILITY LIMITS TION
> 130g Loading > 130g
6 7
Clamping Force Mechanical Noise
Eject -Test should be performed in no reverberation If anything is not < 75dB(A) error, shall not room at the noise level of less than 20dB(A). Play < 40dB(A) -Test should be performed at the 50cm in front defined. Access < 70dB(A) of the unit. -IHF-A MODE (RMS-FAST)(TCD-792D)
>1.0g/10Hz-20Hz, Z way >2.0g/30Hz-200Hz, Z way >0.6g/10Hz-20Hz, X&Yway >1.2g/30Hz-200Hz, X&Yway X=side to side Y=front to back Z=up to down
8
Anti-Vibrational Performance
-The G level should be upped to the sound skip level from the less level slowly at the Z way only 10Hz-20Hz:0.7g frequency. 30Hz-200Hz:1.2g -Ignore the sound skip at the near of resonance frequency(about 100Hz). -In playing YEDS-10 Tr #5, shall perform with vibration -No sound skipping. -No sound skipping in the specified range. equal with -The sound skipping does not include any standard values interpolating noise.
9
Playability
-Interruption:0.7mm -Block Dot Disc:0.8mm -Scratch Disc:1mm -Finger Print Disc:65um
10 Disc Deflection
+ 0.4mm
+ 0.4mm
-No sound skipping at the ABEX 731RA Tr No8 -The sound skipping does not include any interpolating noise. -Except from specified item due to the reliability limits of TEST DISC in the HTO TEST. -No sound skipping at the ABEX 713 Tr No8 -The sound skipping does not include any interpolating noise. -Except from specified item due to the reliability limits of TEST DISC in the HTO TEST.
11
Disc Eccentricity
+ 0.21mm
+ 0.21mm
12 Jitter 13 14 15 Frequency Response Harmonic Distortion Dynamic Range S/N Ratio Channel
< 28 nsec 20-20kHz + 2dB < 0.03% at 1kHz > 80dB at 1kHz
< 33 nsec 20-20kHz + 3dB This measurement may be done at 20Hz, 20kHz, (1kHz=0dB) < 0.05% at 1kHz 400Hz HIGHPASS FILTER 20kHz(-60dB 24kHz) LOWPASS FILTER > 75dB at 1kHz 20kHz(-60dB 24kHz) LOWPASS FILTER, 60dB AMP IHF-A WEIGHTING FILTER > 85dB at 1kHz > 65dB at 1kHz 400Hz HIGHPASS FILTER 20kHz (-60dB 24kHz)LOWPASS FILTER 10
16 17
> 85dB at 1kHz > 70dB at 1kHz
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