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LOPTX=LINE OUTPUT TRANSFORMER (Flyback)
LOPTR=LINE OUTPUT TRANSISTOR
HOT=Running for 20mins or more
WARM=Running for 5 mins
COLD=fault occurs for only the first few mins
C=Capacitor R=Resistor ZD=Zener Diode
2R2=2.2ohm 4U7F=4.7uf 1M2=1.2megohm
E2E=signal thru video to TV using Video channel
[email protected]
COMPAQ COMPUTER CORP PO BOX 692000 HOUSTON TEXAS 77269 USA
140 473E RAGGED VERTICALS,,C804(150UF400V)
140 473E, POSISTOR EXPLODED .
140 476E TATUNG CM14UHRE28 DEAD D813(1N4007),C827(1UF400V)
140 DEAD FUSE(3.15T) C804(130UF400V),BRIDGE RECT
151FS 444 DEAD D933(UG4D/BYM26E) S/C .
151FS 444 DEAD/STBY LOPTR(BU2520AF),B+REG Q405(IRFS730)
151FS INT PIC CRT BASE PINS.
151FS PREE FUNC /CONTR DWN.
171FS 491 DEAD R902(30K3W).
171FS INT PIC CRT BASE PINS.
171FS LIKE ADI LM1764
171FS NO PIC , CRT SOCKET PANEL CONNECTION
171FS PIC SIZE ALTERS WITH BRILL,B+REG(65VN),C838(47UF250V)
171FS PREE FUNC /CONTR DWN.
171FS(490), LOPTR(2SC4542) S/C ,RESOLDER EVERTHING, GREASE THE SWIVEL BASE.
1725 DEAD 2SK2048,C951,STR83145,MAINS SMOOTHING ELECTROLYIC CAPS
320 LOPTX =TFCM10
3210 POWERS UP 3SECS ONLY,FAN RUNS,HELP ? FOR MARTIN [email protected]
420
420 BRIGHT GREEN R526(2R2) ON CRT BASE.
420 FOCUS/CONTRAST CRT GONE.
420 GREEN PIC R526(2R21W).
420 HFT847 HAS VERY BOXY ADDON LOOKING FOCUS/A1S TFCM10.
420 LOPTR 2SC3883 +LOPTX ARCING .
420 LOPTX=TFCM10= ;SANYO HFT847 HARD TO FIT.
420 LOPTX=TFCM13 OR TFCM10=HFT847 (WARNING TWO TYPES)
420 PIC FADES TO DARK JUST LIKE HEATER BUT ITS LOPTX A1S/FOCUS
420 RED CAST R441
420S EW RASTER SPRAY PRESET RT4 TRY DFL200D PTGE SPRAY.
420S NOKIA SCRAP IT.
420S LOPTX=TFCM7=