Question about Samsung HLP4663W 46" Rear Projection HDTV

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About the color wheel check

Well I checked the color wheel today and it read 1.2 volts DC. Am I suppose to check DC or AC voltage?
Thanks,
Brandon

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DC voltages.

Posted on Jun 24, 2008

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1 Answer

Red power light flashed 5 times


There is no color wheel. This is an SXRD TV. If you have 389 at the ballast, then your ballast is bad. 5 flashes is a bad lamp driver. No TTL signal return to the mainboard. Put a new ballast in. Do not try and measure ballast output without good high voltage gear. The startup pulse is close to 20,000 volts.

Mar 17, 2016 | Sony KDS-60A2000 60" HDTV

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Samsung HLP5685 W


yeppers..the ballast has taken early retirement...can you unplug the ballast output, and see if it's running into a short condition?

Mar 09, 2008 | Samsung HLP5085W 50" Rear Projection...

1 Answer

Power level indicator does not works, lamps are changed and ok


lamp uses 100 volts or more it does not use 12 volts thats the fans voltage ya problem is the color wheel its not spinning due to worn out in turn not triggering the ballast that turns on the lamp replace the color wheel if ok replace the lamp

Jul 06, 2013 | Projection Televisions

1 Answer

Blue screen-w/ok menu


I'm pulling up a link while typing; the device is a fixed voltage regulator with some DC input voltage applied, ground (chassis common) and an output of a stable 9 volts DC.These are generally referred to as '3-terminal' regulators.There won't be any significant AC on any pin if operating normally.
You can get the data sheet as a .pdf file here:
http://www.datasheetarchive.com/pdf-datasheets/Datasheets-pdf-14/275663.html

You probably have Adobe Reader which you will need to open the file.
The term 'low saturation' refers to the range of DC it requires to regulate as intended; early ICs of this design needed more 'headroom' to enter into the region of stable regulation.
Looking at the marked side, the #1 pin is to the left; #3 to the right. #2, the center pin is grounded to common (chassis) and if you measure resistance from #2 to any point attached to the broadest traces you can see on the solder-side of the board, it should read close to 0 Ohms (power off for this measurement!).  Measuring resistance on these parts won't yield much unless the part is shorted, a pretty uncommon condition and one that is not as easy to predict as one could with a diode or transistor.
The input lead is #1 and should be well above 9 volts DC if measured to the center pin; the output lead, #3 should have ~9 volts DC referenced as before to the center pin or chassis common.
Any AC you measure on any pin is meaningless, just noise.
I think you will find the part OK since these regulators are quite reliable when used in sensibly designed circuits.
      

Sep 15, 2008 | Mitsubishi WS-65513 65" Rear Projection...

1 Answer

Checking the color wheel on my DLP


Hello brandon b,
have you change the color wheel? what have you changed so far? Pleasenlet me know asap.

Best regards
circuitcity

Jun 24, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

About the color wheel option


Hello Brandon B,
look on the side of the unit there will be a sticker with Model number, serial number and Version code. The version code will tell me what color wheel you need. There maybe some CCA adjustment you need to do using the remote in Service mode. Let me know what the version number. We will go from there. You can contact www.interactiverepair.com they will walk you through the installation process

Best regards
circuitcity

Jun 23, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

About the DLP TV you helped with.


Brandon. Locate CN110 on the DMD its a wire plug. Pin 2 is gorund pin 4 is voltage for the color wheel. When the color wheel is off pin 4 should have 5V on it when power is pressed it should have 7v for the color wheel to start. If the voltages on pin 4 is 5V your DM is ok and Color wheel would be indicated as faulty, But if pin 4 is anything less than 5V its the DM which is faulty.

Jun 22, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

About my DLP TV that you have helped with


Hello Brandon B,
I would go ahead and change the color wheel. I have changed 3 color wheel this week for the same problem.

Best regards
circuitcity

Jun 22, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Things I have checked on the HLP4663W


Hello Brandon B
Must say you have done more than what most people are willing to do. Great job. You have only one problem. Your lamp need changing. Thats it. This unit carries two type of lamp. Look at the right side of the cabinet for the lamp code

List price $150
Part Number:
BP96-00826A
LAMP 120W( L3 TYPE , VERSION PW03, PL02 UNITS
5bc8b85.jpg


BP96-00224J
LAMP ASSY (PHILLIP) VERSION 0001 UNITS
7cf3d6d.jpg

Best regards
circuitcity

Jun 20, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Can you help


Hello Brandon B
Great Job at trying to fix your own TV.....Bravo!! Ok, you may very well have a bad Color wheel. You have already change your Ballast and Lamp. The lamp would have been my first step. If you have a defective color this will surely cause the set not to come on. The DM board detects what going on with the color wheel and will not start the lamp. There are 2 types of color wheel listed for this TV.

List price $100
BP96-00674A COLOR WHEEL (FOR TYPE L3 VERSION PW03 UNITS)
d6065dc.jpg
List price $100
BP96-01103A COLOR WHEEL FOR TYPE L6 VERSION PU01 UNITS
ad7801c.jpg
Best regards
circuitcity

Jun 20, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

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