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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.
2. DISASSEMBLY
NOTE FOR REPAIR
� Make sure that the flat cable and flexible board are not cracked of bent at the terminal. Do not insert the cable insufficiently nor crookedly. � When remove a connector, don�t pull at wire of connector. It is possible that a wire is snapped. � When installing a connector, don�t press down at wire of connector. It is possible that a wire is snapped. � Do not apply excessive load to the gilded flexible board.
Cut and remove the part of gilt which comes off at the point. (Be careful or some pieces of gilt may be left inside)
DISCHARGING OF THE ST-172 BOARD�S CHARGING CAPACITORS (C901, C902)
The charging capacitors (C901, C902) of the ST-172 board is charged up to the maximum 315 V potential. There is a danger of electric shock by this high voltage when the capacitor is handled by hand. The electric shock is caused by the charged voltage which is kept without discharging when the main power of the unit is simply turned off. Therefore, the remaining voltage must be discharged as described below.
Preparing the Short Jig
To preparing the short jig, a small clip is attached to each end of a resistor of 1 k� /1 W (1-215-869-11). Wrap insulating tape fully around the leads of the resistor to prevent electrical shock.
1 k�/1 W
Note: High-voltage cautions
Wrap insulating tape.
Discharging the Capacitor Short-circuit between the two points with the short jig about 10 seconds. To avoid the spark with the metal plate, wrap the short jig with the insulation tape.
C902 C901
R:1 k�/1 W (Part code: 1-215-869-11)
DSC-T70/T75_L2 2-1
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