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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: 50
BootsC1417RFlyback & Txt lines at top of picR307 10R 2w risen to 50R14-09-04
GoodmansC141Blows mains fuse violently at sw onSTR5412 was s/c to heatsink due to damage of mica washer14-09-04

GoodmansC141Snowy screen, no chan light or sigs/soundEM112 st/by mains tfmr - use replacement that will give 5v dc o/p14-09-04
GoodmansTVC141Child lock - unlockingpress blue/yellow/green/red/standby/standby within 10 secs14-09-04
GoodmansTVC141DeadSTRS5707, C835 2200pf 630v s/c (uprated to 2kv), R817 0R3 WW Res, C818 330µ 14-09-04
GoodmansTVC141Dead - no st/by lightDry joints on power sw - remove deck & main pcb for access14-09-04
GoodmansTVC141NO PICTURE OR SOUND (BLANK RASTER)REPLACE MICRO AND ENTER SERVICE MODE AND SET LEVELS,(IC703)14-09-04
GoodmansTVC141No raster - sound okLOPTx faulty - no A1s14-09-04
GoodmansTVC141 CP420Focus & screen adj faulty - looks like CRTI501 TDA8374A14-09-04
GoodmansTVC141/142Vol locked in mid posnEEPROM 24C08P14-09-04
GoodmansTVC141/142VOLUME LOCKEDREPLACE EEPROM14-09-04
HitachiC1410RTuning goes off slightlyVL08 BC858C sm in AFC cct; VF06 BF840 sm14-09-04
HitachiC1411TNo Txt , r/c & chan skippingtxt chip IT01 xtal osc inop. XT01 replaced14-09-04
HitachiC1411Tonly store 1 chan - in skip mode & r/c locks27Mhz xtal in txt pcb14-09-04
HitachiC1414-300Dead - Q903 ON4584 s/c chopper trReplace with Hitachi BUT12AF & R951 39k 0.6w metal film14-09-04
HitachiC1414RDEAD , Q703 THYRISTOR SWITCHINGCHECK/REPLACE ZD701 36v14-09-04
HitachiC1414R-311deadQ903 ON4584 chopper s/c R951 39k hi res14-09-04
HitachiC1414TDead with ZD952 prot zener s/cHT too high - R951 39k 1/2w o/c14-09-04
HitachiC1414Toff no st/by led82k 0.5w start up res R901 o/c14-09-04
HitachiC1414TStuck in st/by - no line driveSafety thyristor Q703 TS0820-20 faulty - check by removing - set should then work14-09-04
HitachiC1415TNo pic/sound okNo line drive as Q701 BF459 dr tr o/c14-09-04
JVCC141EKInt bright pic with lack of height/widthHT varying due to int HT pot VR901 1k (HT = 112.5v)14-09-04

NEINWC1410Drifts off tune.Drys on tuner pins.14-09-04
NEINWC1410Field bounce, poor height, collapse etcReplace C323 1µ 25v tant14-09-04
NEINWC1410Frame bounce.C323 ( 1uf 25v tant )14-09-04
NEINWC1410Frame collapse.C333 ( 22u f 160V )14-09-04
NEINWC1410Frame collapse.C323 ( 1u f 25V tant )14-09-04
NEINWC1410High pitched whistle.T431 coils.14-09-04
NEINWC1410Int frame collapse or lack of heightC323 ( 1uf 25v tant )14-09-04
NEINWC1410Int picture slowly fades.Drys on P451.14-09-04
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