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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: 37
DaewooGB21F1T2Dead - 4A mains fuse blownC842 4700pf blue bead cap burnt & short14-09-04
Finlux3021FCOLOUR VARIES ACROSS SCREENRa34 47R OC FORCING 12v RAIL HIGH14-09-04

Finlux3021FE-W faultD28 on psu/lop pcb or TK4 TIP41A EW diode mod driver o/c14-09-04
Finlux3021FFIELD COLL NO FIELD DRIVESDA2526 MEMORY IC !!!!14-09-04
Finlux3021FField collapseSDA2526 memory chip on ctl panel under crt14-09-04
Finlux3021FInt loss of sigs & int deadDu21 BY299 in 7v supply int o/c14-09-04
Finlux3021FINT LOSS SIGNALSDU21 INT OC 7v RECTIFIER14-09-04
Finlux3021FNo frame.SDA2526 memory IC on control PCB beneath tube.14-09-04
Finlux3021FPICTURE TOO WIDE NO EWCH29 0.1uF OC ON SIGNALS PCB14-09-04
Finlux3021FVarying col intensityHum bar on 12v line - Ra34 47R14-09-04
Finlux3021FWidth excess/E-W faultyCH29 0µ1 o/c in sigs pcb14-09-04
Finlux3621FNO PICTURE OR SOUND RASTER OKTDA2450-2 ICi2 US CHECK 11v ON PIN 314-09-04
Finlux3621FNo sound/pic "P100" appears in txt modeICi2 if chip TDA2450-214-09-04
JVCAU21F1Int signalsDry joint IC522 5v reg mounted on central heatsink14-09-04
JVCAV-21F1EKBright white raster with flyback linesIC101 TEA5105 on crt base14-09-04
JVCAV-21F1EKDead except for LED`s flashingIC801(TA8216) S/C on LHS pcb 14-09-04
JVCAV21F1EKBright raster with fback linesIC101 TEA5105 on crt base14-09-04
JVCAV21F1EKDull green pic slow to appearCRT14-09-04
JVCAV21F1EKNo pic - sound okTEA5101A RGB driver chip14-09-04
JVCAV21F1EKNo sound or vision - heaters & EHT presentC834 1µ 50v leaky14-09-04
JVCAV21F1EKNo tuning or osdDry joints at trs on long heatsink by psu14-09-04
JVCAV21F1EKSound intDry joint IC501 TDA3810 on daughter board by main audio o/p14-09-04

JVCAV21F1EKWobbly pic - intDry joints VIF/sync proc pcb14-09-04
JVCAV21F1EK JX ChassisNo OSD ot Txt - could be intCheck dry joints reg IC52214-09-04
JVCAV21F1EK JXAft 5 Mins Pic shakes from left to right sometimesC02 or 6Mhz crystal14-09-04
JVCAV21F1EK JXBlank screenBad joints pin 2 LOPTx14-09-04
JVCAV21F1EK JXCOMES ON FOR 10secs WITH LEDS LIT BUT NO PICTURE AREMOVE PLUG "Q" IF SETS POWER SUPPLY THEN RUNS AT 127v REPLACE IC801 TA8216AH14-09-04
JVCAV21F1EK JXDead - int blows BU508AFI LOPTrsCheck for dry joints/resolder double sided video/chroma daughter board where line osc IC203 resides esp links EX001, 002, 004 015 & 019 - caused by int momentary loss of line osc14-09-04
JVCAV21F1EK JXHum bar on picRipple on HT line caused by L2001 in chopper tr base drive o/c14-09-04
JVCAV21F1EK JXInt loss of signals4Mhz Xtal inside synthesis tuner dry joint14-09-04
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