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The item received was as described, as expected. I was pleased with the order. Thank you.
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Superb rendition. Drawings (schematics) complete and unabridged. I do a great deal of vintage audio restoration. Documentation is essential for successful repairs. I have found sources over the years that offer good documentation, but rarely all that is necessary. Owner's Manuals has filled that void with complete and legible documentation. They have narrowed my "favorites" to a more manageable collection. This Denon manual in particular contained the latest revisions level, and offered alterations favorable to updating the item. The Illustrated Parts Breakdown (IPB) was well enough detailed to simplify part symbols and physical locations. You will not be disappointed!
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Clear and concise. Saved me a lot of time and money.
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Superb manual. Exactly what I ordered and made available in a very timely manner.
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very fast detailed and accurate hope to do business again
3.4 MECHANISM COMPATIBILITY ADJUSTMENT 3.4.1 Tape pattern check (1) Connect the JIG CONNECTOR CABLE to the set. As for the connection procedure, JIG CONNECTOR BOARD and see 3.5 ELECTRICAL ADJUSTMENT. (2) Remove the COVER(ADJUST) (3) Play back the compatibility adjustment tape. (4) While triggering the HID1, observe the waveform of ENV_OUT. (5) Confirm that the waveform is free from remarkable leveldown, and entirely parallel and straight. (6) In case any level-down is observed on the left hand side, straighten the level by turning the GUIDE ROLLER (SUP) of the POLE BASE ASSEMBLY. In case any level-down is observed on the right hand side, however, straighten the level by turning the GUIDE ROLLER(TU) of the POLE BASE ASSEMBLY. (7) After adjustment, try the unloading motion once, and confirm that the waveform is flat (straight) when the tape has been played back again. Moreover, perform readjustment as required. (8) When the recording has been played back again, play back the self-recording to confirm that the waveform is flat.
ENV_OUT
HID1
Fig.3-4-1
Flatten the waveform. Misalignment of guide roller height on the supply side Misalignment of guide roller height on the take-up side
Fig.3-4-2
GUIDE ROLLER (SUP)
GUIDE ROLLER (TU)
COVER (ADJUST) JIG CONNECTOR CABLE
Refer To 3.3
JIG CONNECTOR
TO JLIP_RX RED TO JLIP_TX WHITE TO GND BLACK
COMMUNICATION CABLE
JIG CONNECTOR
OSCILLOSCOPE
TO ENV_OUT TO HID1
Fig.3-4-3
(No.86730)1-21
 $4.99 GR-D40EX JVC
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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