Welcome





TV Repair Tips

SAMSUNG

Page 1 Page 3 of 3
Size Model Chassis Symptom Problem Description Fix
46HL-R4667W VideoGreen bars in pic, and pic mostly greenreplace digital module
46HLR4656WX/XAADLPVideoSingle pixel width vertical ines on all video inputs except OSDReplaced DMD board
46HLR4667WX/XAADLPVideoSingle pixel width vertical ines on all video inputs except OSDReplaced DMD board
46HLR4677WXDLPVideoSingle pixel width vertical ines on all video inputs except OSDReplaced DMD board
46LN46B550K1FXZA PowerDeadQM854 (STM4472, in power supply, solder side)
46LN46B650T1FUZA PowerDead, no lightsQP802 (FET), C816 (2.2mF/1KV), Fuse (6.3A)
46LNT4661 VideoScreen is dark, slow to refreshReplace panel
46LNT4661FX/XAA VideoVideo and OCD is too darkreplace T-Con
47HCL4715 PowerDead, Q473 shortedQ473 (#AA96-0037A), HV block
50HLN5065WX/XAA VideoDiagonal herringbone type interference appearing in all inputsDefective digital pcb. Remember on these models, both the digital and analog PCBs must be replaced at the same time.
50HLN507WX/XAA VideoDiagonal herringbone type interference appearing in all inputsDefective digital pcb. Remember on these models, both the digital and analog PCBs must be replaced at the same time.
50HLP5063WX/XAA VideoLamp doesnt light, and color wheel is fine. Screeching sound from inside the set. C736 (1uF/50V, on DMD board)
50HLR5067W VideoVertical stops workingC9005 (10uF/10V,SM)
50HLR5087WX/XAA VideoPower on, but no lamp and squeals from engineC540 (1uF/50V,on DMD board)
50HLS-5086WXDLPVideoWhite spots scattered around the screenDLP chip (#4719-001981)
50HLS5087 VideoHorizontal Black bar, oerrors are on all inputs and OSDDMD PCB
50HLT5075SX PowerLamp not starting, all thre front LEDs blinkingcolor wheel sensor (BP96-01854)
50HP-R5052 PowerRelay cycles on and off. Dead set.Verify the main board is bad before replacing. Eliminate XY and Logic boards by disconnecting the power cables to these boards. If set comes on now, the main is not the problem. Disconnect the main. Jumper the power on to ground to force the relay to close. There is a 4 or 6 pin connector on the logic board. Jump the highest pin numbers to put unit in test mode. If you now plug in the set and the panel comes on with test signals, the main is bad.
50HPS5053 VideoY-Main repairZD5016, ZD5017, ZD5023, ZD5024 or ZD5018, ZD5019, ZD5021, ZD5022
52LN52A550 VideoPowers on, but no pictureDP806 (1N5408, on power supply board BN44-00200A)
Page 1 Page 3 of 3
Your Model not listed?  Search for it in our Forums

Warning

: Don't kill yourself.  If you do, don't blame us...  We totally warned you.  These tips are intended for qualified service technicians that know what they're doing.  Unqualified persons should never service their own equipment.  Televisions contain very high voltage that could kill you.