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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: 223
BushOnwa 1407Int osg appears, vol turns up on its own, tuning, R/C etcD602 1N414814-09-04
FinluxMP51A1DeadC033 10µ 160v14-09-04

HinariCT15 TVA1INT WONT COME OUT OF SBYLISTEN FOR MAINS RELAY , IF NOT CHECK 5v14-09-04
HinariCT15 TVA1 GX9WON'T COME OUT STBY ( INT )IF RELAY DOESN'T OPERATE CHECK 5v ON FRONT PANEL OR RELAY DRIVER , IF RELAY WORKS , R802 , 803 100k OR STR541214-09-04
HinariCT15 TVA1St/by onlyCheck relay, R802/3 start up res 100k ?w, STR541214-09-04
HinariTVA1Int power up from st/bySTR541214-09-04
HinariTVA1INT WON'T COME OUT OF STBY WHEN WARMSTR5412 US14-09-04
HinariTVA1Memory lossMemory chip M58655P14-09-04
HinariTVA1NO MEMORYM58655 US ON FRONT PANEL14-09-04
HinariTVA1No soundCrack in print near D810 & audio o/p trs or dry joint to phone skt14-09-04
HinariTVA1Some times will not come out of standby.STR5412 - Heating/freezing most things clears the fault.14-09-04
HinariTVA1Tuning drift - esp at top end of range33v tuning zener14-09-04
HitachiC1714TE (A15 chassis)No Txt & delay in returning to st/byCheck 5v supply pin 44 micro - if low ZD4001 5v1 zener is sus14-09-04
HitachiC1714TE (A15 chassis)To acess service menupress the following buttons on the remote: 4 4 STATUS MUTE TV in that order and fairly quickly. The service menu is displayed. Check that BYTE 1 = 7D; BYTE 2 = 20 These are two hex digits - to exit menu press st/by14-09-04
ITTC14 Pica 1ANo startup - Chattering noise.D658 ( ZPY12 ) s/c set will work without it , BYZ88 no good.14-09-04
JVCAVA14M2Int cuts outCheck for cracked print around LOPTx14-09-04
JVCC14A1EKBright raster with fb linesFR557 47R 1/2w o/c14-09-04
JVCC14A1EKInt start upDry joint on eyelet which feeds through double sided pcb to R 584 (HT feed to line drive TX).14-09-04
JVCC14A1EKNo st/by but sound mutedreplace Q903 (2SA1370), although it tested alright also check R919 & Q90214-09-04
JVCC14A1EKNOT SWITCHING TO STANDBYQ903 ( 2SA1370 ) ALSO CHECK Q902 , 90414-09-04
JVCC14A1EKPic just dims in st/byQ1901 dry joints or s/c14-09-04
JVCC14A1EKSound disappears soon aft sw onC002 0µ22 50v & resold around jungle chip14-09-04

JVCC14A1EKSt/by onlyQ903 2SA1370 st/by sw tr o/c14-09-04
JVCC14A1EKSTUCK IN STANDBYD581 OPEN14-09-04
JVCC14A1EKWONT GO TO SBY , JUST DIMS PICTUREQ1901 s.c.14-09-04
Matsui1420A 1440ADARK TO LIGHT SHADING ACROSS PICC431 ( 4.7UF ) IN RGB STAGE14-09-04
Matsui1420A/1440ADark to light shading across pic or int brightC431 4µ7 in RGB supply14-09-04
NEI2151 ( Indiana 10 IndianaBright raster and flyback lines.R73 1 on the CRT base panel was open-circuit , removing the supply to the RGB output stages with this fault you sometimes have14-09-04
NikkaiTara 10Dead, the 11v supply presentDry joints line dr trfmr EM103 (invisible to naked eye)14-09-04
NikkaiTara 10int field collapsedry joints field chip14-09-04
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