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Repair tips

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: 1049
PanasonicAlpha 2Int picCheck for dry joints connectorr B4 (at front of chassis under crt rim)14-09-04
PanasonicAlpha 2INT WHISTLESDRY JOINTS ON LOPT OVERWINDING14-09-04

PanasonicAlpha 2LEFT HAND SOUND CHAN. DIST.C2442 CERAMIC ( C2441 FOR RH SIDE )14-09-04
PanasonicAlpha 2Line down rh side of screenC858 1000µ 25v bad connection to pcb14-09-04
PanasonicAlpha 2LINE OP TR SC R567 OC D854 SCIC801 STR54041M14-09-04
PanasonicAlpha 2LINE OP TRANSISTOR SCRESOLDER LINE DRIVER TX14-09-04
PanasonicAlpha 2LOP TRANSISTOR LEAKY , FUSIBLE FEED RES OC.RESOLDER LINE DRIVE TRANSFORMER PINS14-09-04
PanasonicAlpha 2Loss of line hold intD/J around LOPT ( T551 )14-09-04
PanasonicAlpha 2Loss of sync, screen blank then shuts down with squeal after heatedCheck IC501 TDA2579A with freezer - if it cures the fault then chip is sus14-09-04
PanasonicAlpha 2No analogue bars or Txt except in MixC3526 10nF ceramic cap leaky in Txt contrast cct14-09-04
PanasonicAlpha 2NO FOCUS - LOOKS LIKE CRT.O/C. BLUE CHOKE. ON CRT BASE14-09-04
PanasonicAlpha 2No luminanceTDA4565 CTI chip on subpanel14-09-04
PanasonicAlpha 2No NICAM sound or display for NICAM/Mono sound6.55Mhz osc not oscillating. C2549 0µ01 connected to pin 9 IC2502 faulty14-09-04
PanasonicAlpha 2No pictureNo brightness control volts pin 20 TDA3505 IC602; C309 10µ 50v leaky14-09-04
PanasonicAlpha 2No picture because the brightness control voltageThe decoupling capacitor C309 ( lOuF , 50V ) was leaky.14-09-04
PanasonicAlpha 2NO SOUNDC629 ( 0.01uF ) OPEN14-09-04
PanasonicAlpha 2No soundC269 10nF 50v14-09-04
PanasonicAlpha 2NO SOUND FOR 10mins THEN OKC1206 ( 1 , 000uF ) 5v RESERVOIR CAP14-09-04
PanasonicAlpha 2No sound for first 10 minsC1206 1000µ 16v in st/by 5v cct14-09-04
PanasonicAlpha 2No sound or control when heatedIC1202 memory chip PCD8582P14-09-04
PanasonicAlpha 2No sound/pic - chan no. lit & squealsQ551 2SD1441RL leaky or s/c; fusible link R567 TSF19102 o/c - caused by dry joints line dr tfmr T53114-09-04
PanasonicAlpha 2No sound/vis - chan no. displayedSTR54041-M u/s - fit proper type with suffix or won't work14-09-04

PanasonicAlpha 2No syncC3550 1µ non pol cap on txt pcb14-09-04
PanasonicAlpha 2NO TEXTC3517 10nF PIN 15 IC350114-09-04
PanasonicAlpha 2No Text OK in Mix No bar graphsC3526 ( 10nF ) decouples TDA350514-09-04
PanasonicAlpha 2OSD & bar graphs unlocked Text erraticC3511 ( 220nF ) pin 24 IC3501 or C3517 ( 0.01uF )14-09-04
PanasonicAlpha 2Pic int disappears or almost disappears to leave black screenC626 10nF 50v ceramic cap pin 19 TDA350514-09-04
PanasonicAlpha 2Picture bowed in from sides.Small yellow C754 ( 180pf ) connected to base of Q751.14-09-04
PanasonicAlpha 2PICTURE GOES REDUsually D/J on CRT base but check C353 220pF LEAKY14-09-04
PanasonicAlpha 2PICTURE LOOKS OFF TUNEIC101 DEMODULATOR COIL SHORTED TURNS14-09-04
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