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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: 45
Bush28ZKF Orion 4400Dead with faulty on/off swDry joints also LOPTr S2000AF s/c & LOPTx from SEME LOPTX1277 at ?18.95 Part S065621409 14-09-04
Finlandia66GZ7 Salora MSt/by onlyDB525 BYV95C s/c in LOP stage14-09-04
FinlandiaC/D51JZ5/E Salora NDead - chopper 2SK1118 s/c (BUZ90AF or BUZ91AF can be used in lieu)CN10(270pf2kv) and check/change CN01,CN03 check high value res & resolder transformer pins14-09-04
GoodmansW280NS Formenti F19Service mode accessSw on TV holding in Vol+. Release vol button & press St/by on r/c within 3 secs. To save settings press yellow "mem" button else press TV/AV to exit without saving changes14-09-04
GranadaC51GZ5 Salora LField collapseChange TDA3654 and 100mfd 50v next to it CB575. 25v is fed from ipsalo transformer pin 13 via diode BB612 and safety resistor RB616.Check for dry joints on stand up panel next to Trfmr 14-09-04
GrundigSuper color 8472/8672/8272/8872/9272R621(6,2ohms) smokes immediately after switch-on.Replace thyristor Ty503 type1712714-09-04
GrundigSuper color 8472/8672/8272/8872/9272R621(6,2ohms) smokes immediately after switch-on.Replace thyristor Ty503 type1712714-09-04
GrundigSuper color 8472/8672/8272/8872/9272Won't search.Pin 5 of syntheseizer module, should have 3,5 volts. If not, change R4111 (1,8 volts).14-09-04
GrundigSuper Color 8615/8415/8215/8115Won't start, no EHT present.Di518 Sced. It's located behind the large 15uF nonpolar cap.(C532)14-09-04
HitachiC15P108 Salora LSLOW START UPCN10 1000uF 35v14-09-04

HitachiC15P108 Salora LTEXT OK BUT NO PICTUREPFO1 220R PRESET O/C FEEDS PIN 34 TDA330114-09-04
HitachiC28P745VT SaloraField distortion when heatedFlyback boost diode D571 leaky14-09-04
HitachiCPT1556 Salora LNO LUMINANCELUMINANCE DELAY LINE OC14-09-04
HitachiCPT2660 Salora JLack of width with hor bands across bright scenesC712, 726 4µ7 63v, C514 1000µ 25v & C716 1µ hi esr14-09-04
ITTC5122 Core 110Flashing pic & no tuning on highest chans33v Tuning reg14-09-04
ITTCoreLOP tr int blowsCaused by arcing from scan coil plug14-09-04
ITTCore 110degDead - st/by LED gives 1 quick flash at sw onLOPTx - code TFHR6175 CPC14-09-04
ITTCore 110degInt off - HT 145v (95v) 24v=14v; 16v okC723 2n2 4kv was not soldered in properly14-09-04
ITTCore 110degNo front panel controls - R/C okT1454 BC328 leaky14-09-04
ITTCore 110degPic pulling esp at topC527 100µ 35v, C522 100µ 25v14-09-04
ITTCore 2 110degSmall pic with ballooningR536 33k in anti breathing cct o/c14-09-04
ITTCore 2 90degWont turn on from st/by - ok from switchD702 11v zener leaky in st/by supply14-09-04
ITTCP3128 CORE 2SET GOES INTO STBY BUT WON'T COME OUTCHECK D702 11v ZENER , R655 2k7 , R701 THERMISTOR14-09-04
ITTFX6320 CORE 2DeadD502 ( BY448 ) by LOPT14-09-04
ITTIdeal color 3332GRWon't start, going to stby.Change polyester cap C709 connected between B-E of horizontal output Tr. Shorts hor. drive to ground14-09-04
JMB134TX OrionAGC type overloadMain micro under can not seated properly14-09-04
JMBC1499BA (Orion)St/by onlyNew EEPROM ordered from CPC cured problem14-09-04
Marconi4816 Port B&WSync - side way pulling - lack of line sync.VT7 ( BC197 ) , C85 , W7 , W8 , VT21 , VT22.14-09-04
Matsui20ORField collapse - sound okTDA3653B replaced along with 100µ 35v & 1µ & 47µ caps in psu14-09-04
Nokia4030 Core 90St/by onlyC701 10 uf/250V. in PSU and C734 10uF/350V in secondary14-09-04
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