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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
 ;
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.
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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.
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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.
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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
B. ADJUSTMENT OF THE A/C HEAD ASS'Y (TILT ADJUSTMENT)
a. Play back a T-120 Tape and check the running condition of the TAPE at the lower flanges of the T GUIDE POST ASS'Y ¤æin Fig. 5-1. b. Adjust the A/C HEAD TILT SCREW untill the TAPE runs stable as shown in Fig. 5-2
TURN THE A/C HEAD TILT SCREW TO THE DIRECTION OF CW
(
)
(
)
TURN THE A/C HEAD TILT SCREW TO THE DIRECTION OF CCW
Fig. 5-2 A/C HEAD ASS'Y ADJUSTMENT (TILT ADJUSTMENT)
C. ADJUSTMENT OF THE AUDIO AZIMUTH (See Fig.5-3)
a. Play back the ALIGNMENT CASSETTE TAPE (NTSC: DN2 (SP 7KHz), PAL: DP2 (SP 6KHz)) , , b. Observe audio signals on an OSCILLOSCOPE. c. Turn the A/C HEAD AZIMUTH SCREW to obtain the maximum audio output signal (-9~-3dBm).
Fig. 5-3 A/C HEAD ASS'Y
D. THE HEIGHT ADJUSTMENT OF A/C HEAD
a. Play back a T-120 TAPE. b. Make sure that the gap is 0.25mm between the lower end of TAPE and that of A/C HEAD. c. When the gap is longer than 0.25mm, turn the A/C HEAD HEIGHT ADJUST NUT counter-clockwise. When the gap is shorter than 0.25mm, turn it clockwise. Repeat this procedure untill 0.25mm is obtained.
GAP
Fig. 5-4 A/C HEAD ASS'Y ADJUSTMENT (HEIGHT ADJUSTMENT)
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