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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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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.
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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.
VL-AH50S/H/E/EW/EX
4-3-4. Checking and adjusting the tension pole position
(1) Check When winding of P5-120 tape is started, check whether the tension pole is in the specified position against Si roller as shown or not. If it is not in the specified position, remove the cassette and adjust the position in the following procedure. (2) Adjustment 1. Don�t set up any tape, and select the PB mode. (Refer to Item 4-5-1-(4).) 2. Slightly loosen the screw (a) (to such a strength as the T band holder B can be moved). 3. If the tension pole is in the inner position than specified, dislocate the T band holder B in the arrow (A) direction and if it is in the outer position, dislocate it in the arrow (B) position. Then, tighten the screw (a). (For reference, dislocate it 0.4 to 0.8 mm outer from the position specified above.) For the position adjustment, it is convenient to use the position adjustment screwdriver (JiGDRiVERMX7U2). (Set it in the hole (C).) 4. Check the position in the �(1) Check� procedure described above. 5. If it is not in the specified position, repeat the adjusting procedure 1 thru 3. Note: � Tightening torque of screw (a) 70 mN·m � To check the position, be sure to run the tape. � If the cassette compartment assembly is removed, it makes the work easier. (Refer to Item 4-5-3.)
3 � 0.5 0 Si roller
Tension pole
Hole (C)
(B) (A) Screw T Band (a) Holder B
4-3-5. Checking the take-up torque for rewind playback (VS-REW)
(1) Remove the cassette compartment ass'y and set to the sensor OFF mode. (2) Set the torque gauge (JiGTG0045) on the S reel disk, and check in the rewind playback (VS-REW) that the torque at the supply side is within the specified range. Standard of take-up torque in rewind playback (SP mode) 31 ± 5 g·cm with ripples less than 5 g·cm. (If the torque ripples appear, read the center value of torque between the ripples.)
4-3-6. Checking the back tension torque for rewind playback (VS-REW)
(1) Set the torque cassette (JiG8T-032) in position, and check in the rewind playback (VS-REW) mode that the torque at the tape take-up side is within the specified range. Standard of back tension torque in rewind playback (SP mode): 14 ± 5 g·cm with ripples less than 5 g·cm (If the torque ripples appear, read the center value of torque between the ripples.)
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