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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: 34
AkaiCT1417DSt/by onlyC40614-09-04
AkaiCT1417UKField collapseC411 leaky14-09-04

AkaiCT1417UKFRAME COLLAPSEC411 LEAKY14-09-04
HarwoodCT14Drifts off tuneCheck D9 - 16 and clean tuning pots/panel14-09-04
HarwoodCT14No pic - when A1 increased field collaps noticedTDA3651 brought back partial field scan but not until TDA3651 was field fully restored14-09-04
HarwoodCT14SOUND BUT NO PICTURE - FIELD COLLAPSEREPLACE TDA3651 IF FIELD NOW LOW , CHECK PIN 2 TDA4503 DRIVE SHOULD BE 2v Pk-Pk IF NOT REPLACE TDA450314-09-04
HinariCT14Brightness at max with fb linesQ301 s/c14-09-04
HinariCT14PICTURE TOO BRIGHT CAN'T BE TURNED DOWNQ301 SC14-09-04
HinariCT14 ST200Uncontrollable brightness & flyback lines.Q301 s/c collecor to emitter.14-09-04
HinariCT14 VTV200Dead, relay operates at sw on with short squeal from EHTGoing into prot mode - D485 9v1 zener leaky14-09-04
IngersollCT1410 TLG0101No frame.R313 ( 8.2ohm ) o/c , Q310 , Q301 ( 2SA940/2SC2073 ) .14-09-04
JVCCT14ETE1K OnwaPSU blownReplace - R 915 39R 7WATT; R914 0.33R 2WATT; R902 2.2 3WATT; R901 4R7 5WATT; R911 12R 1WATT; R912 27R 2WATT; R913 22OK 1WATT; Q903 2SC1815; Q901 2SC1815; Q902 2SB744; Q904 2SD1545 OR 2SD2498; ZD901 8V2; ZD902 9V1; D901,902,903 all BA 157's; C902 .0022MFD 2KV ? (originally .0022MFD but updated to .0039MFD)This cap was blackened & seems to have been the route cause of the blown up.14-09-04
Matsui1440 SAISHO CT14WONT GO INTO STANDBY WHEN REMOTE PRESSEDCHECK REMOTE14-09-04
MitsubishiCT1447BMDeadIC901 STR44115, D906 (RG2) protection diode, R901 (4r7/7W) and C921 (47µF/50V).14-09-04
MitsubishiCT14MS1BMIntermittent field jitter .Dryjoint at R461.14-09-04
MitsubishiCT14MS1BMpic shifted to rightdry joint R527 near lopt14-09-04
MitsubishiCT14MS1TXWon't tune or store - pic blacks out when receiving RC commandIC702 X24C04P EEPROM14-09-04
MitsubishiCT14MV1 PhilipsDead - shuts down straight away when bringing out of st/by - prot cct activatedTo deactivate prot cct remove Plug 1923 on TV/LTB board. This gave 2" band across screen. Pin 8 FOP chip IC7510 low at 1.5v (11v). 32v line low at 11v - IC7331 reg TL431CLP faulty14-09-04
MitsubishiCT14MV1BDeadD6313-6 mains rects s/c, R3337 2R o/c, Tr7330 s/c, D6332 & D6337 s/c, IC7310 MC44603 also replaced & R3338 39R fusible o/c14-09-04
MitsubishiEE2 CT14MS1LStuck in AV modeCheck for cracks around tuner lugs14-09-04
PerdioCT1411 OnwaField collapseR414 12R o/c, ZD401 12v zener s/c - also check C909 47µ 50v, C910 10µ 50v & ZD901 8v2 zener14-09-04
SaishoCT1400DeadR501 3R9 5w o/c; IC501 2SC3156 s/c - used BU326A in lieu14-09-04

SaishoCT1400DeadChopper tr 2SC3156 s/c - used BU326 in lieu; D508 s/c - used R2M; R501 3R9 5w o/c; dry joints between main pcb & chopper tr pcb - also replace C508 4µ7 50v 105deg14-09-04
SaishoCT1400Low soundR356 10k 1/2w o/c14-09-04
SaishoCT1400Sound lowR356 10k o/c14-09-04
SaishoCT141XLow soundC303 100pf across if coil leaky14-09-04
SaishoCT141XSync missingR507 1R o/c14-09-04
SaishoCT144RInt noise bars on pic with sound crackleDry joints chassis bonding at regs heatsink14-09-04
SaishoCT144RNo redreplace 3 x caps 0µ4 connected to pins 44. 45 & 46 of TA8659AN chip14-09-04
SaishoCT147RChan stores on all chans together32v tuning supply high at 38v, IC102 µPC574J faulty14-09-04
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