APPLICABLE TO: SAMSUNG DLP TVs > HLR5067WX/XAA _ HLR4667W1X/XAA_HLR5067W1X/XAA_HLR5667W1X/XAA_HLR6167W1X/XAA Models.
Check the master switch and fuse to see whether they are operating.
LED blinking: [Temp & Timer LEDs blinks]
- Check whether the fans are running. If Yes, Replace Detect Board.
- If No, check for (8VDC) at CN103 & 104 on Detect Board. If Yes, Replace Fan/s.
- If No, Check CN802 pins 8&10 on the Power Board. If No, Replace the Power Board.
- If Yes, Replace the Analog board.
<Blinking Lamp and Temp LEDs>
- Is Lamp Cover installed? If No, install the Lamp Cover.
- If Yes, make sure, lamp cover Switch is activating.
- If Yes, Short CN101 on Sub-Detect board. Check boss on the Lamp cover.
- If No, Replace Sub-Detect board.
- If this too do not help, Replace the Digital Board.
<A Blinking Lamp LED is the most common failure indication. It can be caused by No lamp, No Color Wheel, No Fan/s or other defective components>
Check Whether:
- Do Fan/s Run? If Yes, does the Color Wheel Run? If Yes, Is lamp On? If Yes, Replace DMD Board.
- Do the Fan/s Run? If yes, does the Color Wheel Run? If No, Replace the Color Wheel Assy'
- If Fan/s Run; Color wheel Run; and the Lamp is ON then Replace the DMD board.
- Fan/s Runs; Color Wheel Runs; Lamp is ON, but Lamp come On and then Shuts Down. If so, Check the (5Vpp) at CN503 pin-3 on DMD board. If there is (5Vpp); Replace DMD baord. A faulty ballast could also be the reason.
- If the Fan/s run; Color wheel run; lamp come On and shuts Off > Check 280VDC to lamp ballast CN1. If there is voltage present, Re install Lamp Ass'y. If there is no 280VDC, Replace Power board.