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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.
12 June 1987
Separation Corona
Optimum Adjusting Values: AC 57.0 ± 2.0 µA (D1) DC -8.0 ± 1.0 µA (leading edge: D1) DC -2.5 ± 1.0 µA (normal: D1 & D2) 1. Reinstall the TC/SC corona unit, and position the drum shoe at the center of the shaft so that the axis of the current sensing plate [A] is aligned with the separation corona wires [B] as shown.
AC current: D1 2. Select the ac 200 µA range on the digital multimeter. 3. Turn on the DIP switch on the switching PCB corresponding to �D1� on the TC/SC power pack PCB to turn on the separation corona. (The silk screen printed on the TC/SC power pack PCB is correct.) Adjust the corona current by turning VR �DAC� [C] on the TC/SC power pack. (Wait 30 seconds for the current to stabilize.)
4.
Leading edge dc: D1 5. Turn off the main switch, and select the dc 200 µA range on the digital multimeter. 6. Turn on the main switch, and adjust the corona current by turning VR �DC1� [D] on the TC/SC power pack. (Wait 30 seconds for the current to stabilize.) Normal dc 7. Turn on the DIP switches on the switching PCB corresponding to �D1 & D2� on the TC/SC power pack PCB to turn on the separation corona. (The silk screen printed on the TC/SC power pack PCB is correct.) 8. Adjust the corona current by turning VR �DC2� [E] on the TC/SC power pack. (Wait 30 seconds for the current to stabilize.) 9. Remove the drum shoe, and reassemble. 10. Check copy quality.
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