SAMSUNG HLN-5065W - REPAIR HELP [4]

[4]                     Samsung _ HLN-5065W [PTV]

• Noise: failure > Check the noise state of the color wheel.
• If the noise of the color wheel is loud, replace the engine or color wheel.
• When the color wheel is replaced, make sure to adjust the delay value of 1.DDP1010 to Factory Settings.  Adjust the position where the color red is strongest.
• Fan noise >  Check the revolving stat of Fan to inspect whether the fan wire is caught on the wings, and then check the bearing noise.[ For 50" TVs there are two fans, and for 61" TVs will have three]
• Ballast Noise > Check whether there is no noise from the ballast, if noise is too loud, replace the ballast.
• To replace the color wheel: Loosen the screws which fix the outer parts, and then replace the color wheel.  Loosen three screws, and then adjust the DMD board by turning it to left, right, up or down.  
• For factory settings, set the POS-X & the POS-Y values of DDP1010 to the center. (16/147)

Screen Image Adjustment >

• Separate the digital board as described above.
• If the lower part of image is well aligned horizontally, but the upper part is not aligned.
• To repair the upper distortion failure, separate the screen and put an inlay into the bus of the cabinet back on the mirror fixing part.

Screen color skip failure >

• Colors are mixed at the corners.
• It checked out OK while the white pattern. (Lower part failure state)
• Loosen the screw and move the mirror so that there is no skipped color and then fix the mirror using U/V bond.

The screen does not display in a specific mode >

• Replace the PCB Digital board ASSY.
• When the menu function of the TV or OSD has a failure:  Replace the PCB digital board ASSY.

FACTORY ADJUSTMENT CHECK ITEMS

1. POS-Y = SCREEN UPPER AND LOWER ADJUSTMENTS.
2. POS-X = SCREEN LEFT AND RIGHT ADJUSTMENTS.
3. LAMP = MAKE SURE TO CHOOSE TOS/PHIL FOR 50" AND 'OSR' FOR 61".
4. DELAY = TERMINAL THAT CONTROLS THE MOTOR OF THE COLOR WHEEL.
5. V-FLIP = WHEN UPPER AND LOWER SCREEN ARE NORMAL, IT IS NORMAL.
6. H-FLIP = WHEN LEFT AND RIGHT PORTIONS OF THE SCREEN ARE NORMAL, IT IS NORMAL.
7. GAMMA = WHEN THE VALUE IS '4' IT IS NORMAL.  BUT, FOR PRODUCTIONS FROM JULY 2002, IT IS NORMAL WHEN THE VALUE IS '1'.
8. R-GAIN = RED COLOR ADJUSTMENT FOR HIGH-LIGHT PARTS OF THE SCREEN.  INITIAL VALUE =120.
9. G-GAIN = FIXED TO 120.
10. B-GAIN = BLUE COLOR ADJUSTMENT FOR HIGH-LIGHT PARTS OF THE SCREEN.  INITIAL VALUE =120
11. R-OFFSET = RED COLOR ADJUSTMENT FOR THE LOW-LIGHT PART OF THE SCREEN.  INITIAL VALUE = 128
12. G-OFFSET = FIXED TO 128
13. B-OFFSET = BLUE COLOR ADJUSTMENT FOR LOW-LIGHT PARTS OF THE SCREEN. INITIAL VALUE = 128

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