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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.
20/21V-L110M
SERVICE ADJUSTMENT
RF AGC Adjustment 1. Receive a good local channel. 2. Enter the service mode signal category and select the service adjustment "AGC". 3. Set the data value to point where no noise or beat appears. 4. Select another channel to confirm that no noise or beat appears.
CHROMA ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions SUB-TINT (I2C 1 1. Receive the "Color Bar" signal through AV in. BUS CONTROL) 2. Connect the oscilloscope to TP47B (Pin (5) of P882) BLUE-OUT. Range : 10 V/div. (AC) (Use probe 10:1) Sweep time : 10 µsec/div. 3. Call the "SUB-TINT" mode in service mode. Adjust the "SUB-TINT" bus data to obtain the waveform shown as Fig 1. 4. "SUB-TINT" bus data decrease 4 steps to get final waveform. (Fig 2.) 5. Clear the SERVICE mode. Waveform and others
WAVEFORM 1
SAME LEVEL
W Y CY G MG R B
Fig 1
Fig 2
HORIZONTAL AND VERTICAL DEFLECTION LOOP ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions V-SLOPE (I2C 1 1. Receive the Monoscope Pattern Signal. BUS CONTROL) 2. Call the "V-LIN" mode. 3. Increase or decrease "V-LIN" by Volume key till the horizontal line in the center of monoscope is just at the position where the blanking starts. 2 V-CENTER (I2C 1. Call the "V-CENT" mode. BUS CONTROL) 2. Increase or decrease "V-CENT by Volume key till the picture is centered. Waveform and others
3 V-AMP (I2C 1. Call the "V-AMP" mode. BUS CONTROL) 2. Increase or decrease "V-AMP" by Volume key to set overscan to 10.0% typical. Adjustment Spec 10.0% range ± 1% 4 S-CORRECTION (I2C BUS CONFIXED DATA, NO NEED TO ADJUST. TROL) 5 H-CENTER 1. Call the "H-CENT" mode. 2. Increase or decrease "H-CENT" by Volume key to center the picture horizontal. 1. Receive the "Monoscope Pattern" signal. 2. Press the R/C to set Picture NORMAL condition.
6 Focus Adjustment
3. Adjust the focus control to get the best focus.
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