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This is the second Manual I have ordered from owner-manuals, I give it five stars because it is exactly what I expected given the age of the equipment. So the contents look a bit aged and the pictures a bit grainy, it fulfills my needs and I am glad I can still get hold of them.
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thank u so much for this manual that was so cheap that i thought it was a scam but i gambled anyway because it was too good of a deal to pass up and behold,the manual has everything and details of everything even the screws and im still amazed and very happy with my manual .so take my word and jump on it before they realize how cheap they selling thier manuals..thank you so much for taking time to read my thoughts
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I do not have very much to say.
The price is quite covenient, delivery was better as promised (about 12 ours, against the specified 24 hours if I remember well), and the quality of the PDF is more than acceptable.
The Service Manual of Sansui R30 itself is also satisfactory: good graphic for schematics and layouts, simple and well structured.
Giovanni Bianchi
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Happy to find finally a schematic for this amplifier. The schematic is of good quality, the pcb layout is useless: all is black. Never the less, it is very easy to find the components on the board using the schematics.
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Hard to find manual was ready the next day. Scans were very legible (including schematics). All the essential parts of the service manual were present (adjustment procedure, schematics, and parts list). It would have been nice if the rest of the manual was included (disassembly procedure, theory of operation, etc.).
VL-NZ10S/H/E
7-4. Running rough adjustment
(With cassette controller) 1) Su, Tu guide roller height adjustment <Method and description> (1) Loosen the guide roller lock screw, then tighten loosely so that the roller turns easily. (2) Replay an alignment tape, and adjust the Sup, Tu guide roller so that the envelope sides of entrance and exit are flat. (3) Perform ± 1/4 shift, then, as in the above case, adjust until the envelope becomes flat. * If running is difficult for the entrance changed, turn the T roller to counterclockwise 180°. (refer to Fig. 1)
NG ±1/4 shift Entrance side Normal Exit side NG ±1/4 shift
Turn to 180° T roller
Fig. 1
2) Check of V/SR envelope wave form <Method and description> (1) Confirm that the envelope waveform peaks in V/SR mode are uniform. (2) If they are not uniform, fine-adjust the guide roller and the Tu guide. 3) Check of tape wrinkles <Method and description> (1) Check that the tape is not distorted between the Tu guide and pinch in the PB mode and the V/SR mode. -If crease is found, make an adjustment in the range of ±180°. -After adjustment apply Screw Lock.
Pinch roller
Adjust so that A
�
�
B.
A
B
Wrinkles Tu guide
Deformation
Deformation
4) Check the rising time of the envelope wave form <Method and description> (1) Check the rising time of the envelope when switching from V/SR mode to PB mode. (Within 5 sec) (2) Check the rising time of the envelope when switching from STOP mode to PB mode. (Within 5 sec)
7-5. Final running adjustment
(With cassette controller) 1) Adjustment of Sup and Tu guide roller height <Method and description> (1) Perform ± 1/4 shift, then if the envelope wave's ratio of MAX. to MIN. are 60% or less, adjust again the height of guide roller. (Refer to Fig. 2) (2) Finally adjust the lock screw of Sup and Tu guide roller. (3) Once perform unloading and then loading to set the PB mode, and make sure that the envelope waveform does not change. 2) Adjustment of playback SWP <Method and description> (1) Playback the alignment tape for switch point adjustment. (2) Perform SWP automatic adjustment with adjustment remote control. * When replacing the mechanism and drum, adjust the phase and equalizer using the adjustment remote control. (Refer to "9. ADJUSTING THE ELECTRICAL CIRCUITS".)
Fig. 2
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