Samsung HLN507W1X/XAA, Руководство по обслуживанию

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Alignment and Adjustments
Samsung Electronics 1-11
Seventh
[DMD state
inspection
method]
Remove the heat sink attached to the DMD board and follow the directions given below. 1) Replace the heat sink. Fix the DMD by tigh- tening the screws again. 2) Check signaling for each part.
Horizontal raster failure occurs. [Check whether the output of the R NETWORK RA101~ RA104 terminals of the DMD board are normal.]
Vertical line failure occurs. * Check whether it occurs within the regular wide range. (Less than 26mm for 50-inch TV)
* Refer to the DMD Panel PIN Terminals Characteristics Diagram.
* Refer to the DMD Board Description Diagram
1) If it appears at regular intervals of less than 26mm, check the DMD fixing state.
→
Loosen the four silver screws
and then re-assemble them. 2) If the vertical lines do not occur at regular intervals, or the inter- vals are more than 26mm, or irregular, replace IC115 (DDP1010).
Noise
failure
Check the noise state of the color wheel. 1) If the noise of color wheel is loud, replace the engine or the color wheel. 2) When the color wheel is replaced, make sure to adjust the delay value of 1.DDP1010 to factory settings. (Adjust to the position where the color red is strongest.)
Fan noise 1) Check the revolving state of the fan to inspect whether the fan wire is caught on the wings, then check the bear- ing noise.
Ballast noise 1) Check whether there is noise from the ballast, if noise is too loud, replace the ballast.
The color wheel is attached as shown in the following figure. Loosen the screws which fix the outer parts and then replace the color wheel.
50-inch: Three fans 61-inch: Three fans
2
3
CN
CN
1
2