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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 15
NEIE28G1TFXNDark pic & osd - R/C inoperative5v reg feed near rect diodes on psu sec only 4v - (7v in st/by); R686 2R2 hi res14-09-04
NEIE28G1TFXNDead with faint tripping noiseC665 220µ 400v o/c14-09-04

NEIE28G1TFXNInt sound & vision & power led dimPoor joints at rects on sec of chopper tfmr14-09-04
NEIE28G1TFXNWidth comes in and hour glass effect, int clears to excessive widthC753 680nF 630VW was dry jointed & damaged, L751 causede excess width (had shorted turns) 690 turns reqd - TDA4950 & BY299 diode14-09-04
NEIE28G1TFXN E5Buzz on mono reception - worse when OSD presentMod reqd - remove C150 33pF from main pcb & fit in posn C1591 on vert pcb. Add 100mm wire from left of free pin of C1591 to right of free hole of C15014-09-04
NEIE28G1TFXN E5DeadR866 2R2 safety res o/c, due to D682/683 BY399 failing when hot14-09-04
NEIE28G1TFXN E5Dead - st/by LED flashesMains smoothing cap 220µ 400v14-09-04
NEIE28G1TFXN E5Dead 220v across res capC665 14-09-04
NEIE28G1TFXN E5Dull or no picLow A1 screen volts - replace C20614-09-04
NEIE28G1TFXN E5Int blanks out with sound & pic disappearingDry joints IC682 reg on back edge of pcb14-09-04
NEIE28G1TFXN E5No R/C operation after initially coming on with R/C, tuner drift & erratic local controlsLow volts on micro - R686 2R2 hi res near SMPS Tx14-09-04
NEIE28G1TFXN E5PSU tripping with low o/p voltsC655 220µ 400v mains smoother14-09-04
NEIE28G1TFXN E5St/by only or int won't sw onDry joints IC682 reg on back edge of pcb14-09-04
NEIE28G1TFXN E5Stuck in st/by - int comes on with blank rasterD683 BY399 breaks down under load - reads ok out of cct14-09-04
NEIE28G1TFXN E5Vol varies - sw from Nicam to mono soundXtal Q1511 on nicam pcb - earth the casing14-09-04
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