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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
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Content A4 and A3 format pages. Exactly what I needed to restore my old receiver.
X92-4030-0x X92-4440-0x
[1] Disc Loading
OPERATION DESCRIPTION
Switch ON! Disc arm(L) Disc arm(R)
(1) Turning the loading switch ON 1) When a disc is inserted, the disc arms open to the left and right and the claw below disc arm (L) sets the loading switch ON. 2) The above starts the motor rotation.
Disc
(2) Loading the disc 1) When the motor starts rotation, the worm gear also starts to turn as shown in the figure. 2) The rotation force is transmitted to the gear train. 3) When the force is transmitted to the final gear, the rollers rotate to pull in the disc.
Worm gear
Motor
Disc guide Disc IN Rubber rollers
Dis
Disc OUT Roller
The disc is pulled in or out when the rollers are pushed against the disc guide.
Side view Disc IN
[2] Operation of Slider (R)
(1) Activating the trigger arm 1) When the disc is pulled in by the rollers, the disc edge pushes the trigger arm and rotates it.
Position pushed by the disc Trigger arm
Center of rotation
2) When the disc is an 8cm disc, it is pulled upwards by the tapering on the disc guide. The trigger arm is rotated when the disc pushes the claw (section A) located before the trigger arm.
Disc Clamper chassis
When the 8cm disc reaches the loading end position, the roller areas supporting the disc decreases. To prevent the disc from dropping in this case, the claw is provided with a projection for supporting the disc.
A
Trigger arm
Claw (A) Projection 8cm Disc Disc
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