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I received the Manual in a timely manner and it was exactly what I needed.
This is a perfect copy of the Service Manual, The quality is great. I am very
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exactly as they say. Within 24 hours the link to the pages and offcourse it was the right service manual. Super and thanks
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The manual was exact the thing that was promised. My old car stereo is working again thanks to the information supplied.
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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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You can fully trust on this one!
All the schematics are very crear an in one piece per page
VL-PD3S/H/E
VL-PD3S/H/E
7-4. Running rough adjustment
(Since this adjustment is performed without cassette controller, put a proper weight so that the cassette does not rise , and make an adjustment.) 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 Su, 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 counter clockwise 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
A
�
�
B.
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
(Perform adjustment without removing the cassette controller.) 1) Adjustment of Sup and Tu guide roller height <Method and description> (1) Perform ± 1/4 shift, then if thire 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.
Fig. 2
7-2
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