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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid.
I would highly recommend these to my friends.
reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
Manual was just as described!!! I odered it and in less than a day was able to download it and the text was clear and pages were all complete just as the original manual was. Purcashed this for a friend and they were more than happy. Perfect all around!
VL-H860S/H/VL-H870S VL-H890S/VL-H94E VL-H96E/VL-H960E
VL-H860S/H/VL-H870S VL-H870U VL-H890S/VL-H94E VL-H875U VL-H96E/VL-H960E VL-H890U Upper flange Lower flange Height setting jig Master plane (JiGMP-MX7U)
4-4-4. Adjusting the Tu guide
After replacement of Tu guide preset and adjust the height. (1) Tu guide height presetting (Figure 6) Adjust the height from the upper surface of mechanism chassis to the upper surface of lower flange with the aid of jig.
Figure 6 (2) Adjusting the Tu guide (Figure 7) 1 Playback the alignment tape (VR2DBOPS). 2 Check that the tape runs at the same height near the capstan shaft in case of V/S F and V/S R. 3 If the tape running position in case of V/S R is higher than the tape running position in case of V/S F, turn clockwise the Tu guide nat. If the tape running position in case of V/S R is lower than the running position in case of V/S F, turn counterclockwise the Tu guide nat.
Capstan shaft Nat
4-4-5. Checking the V/S F and R waveforms (Figure 8)
(1) Playback alignment tape (VR2DBOPS), and set the V/S R mode. At this time ascertain that the waveform crest pitch is kept constant for more than 5 seconds. (2) Set the V/S F mode. At this time ascertain that the waveform crest pitch is kept constant for more than 5 seconds. Unless the constant pitch is obtained, execute the checks of Section 4-2, 3, and 4.
4-4-6. Checking after adjustment
(1) Envelope check 1 Playback the alignment tape (VR2DBOPS). 2 Ascertain that the envelope maximum to minimum ratio is 65% or more. (Figure 9) 3 Ascertain that the waveform does not change remarkably. (Figure 10)
E MIN E MAX
Figure 9 (2) Rise check
E MIN E MAX
1 Playback the alignment tape (VR2DBOPS). 2 Once eject the cassette, and then load it again. 3 Set the playback mode, and ascertain that the RF waveform rises horizontally within 2 seconds. At this time ascertain that there is no tape slackness near the pinch roller.
Capstan shaft Tu guide
4 After V/S F, R and FF/REW execute playback, and ascertain that the RF waveform rises horizontally within 2 seconds. At this time ascertain that there is no tape slackness near the pinch roller. Tension pole (3) Checking the tape travel 1 When the tape is played back, ascertain that tape lift and tape curl of 0.3 mm or more do not occur at the lower flange of Si roller, upper flange of Sup GR, upper flange of Tu GR, and upper/lower flange of Tu guide. 2 In case of V/S F and R ascertain that no curl is found at each flange.
Drum Si roller Sup GR Tu GR
Sup tilted pole
Tu tilted pole
Pinch roller Tu guide
4-4-7. Checking and adjusting the playback switching point
Refer to the description of playback switching point adjustment in section of VCR circuit adjustment.