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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: 180
AkaiCT2142VNTPoor pic with fbck lines and curious colIC301 pin 12 supply only 7v5 (9v1). R424 (0R68) hi res14-09-04
Beko10214Goes off & on intTA914 Off button on front panel - can substitute TA912 AV button if not used14-09-04

Beko10214PICTURE SHIFTED DOWNR725 150k14-09-04
Beko11214TInt no pic - sound okthyristor T701 ESM740 goes o/c intermittently ESM740 no longer available, use TR03-400T and add a 47 Ohm 0.5W resistor from gate to ground.14-09-04
Beko11214TInt no pic - sound okT701 thy ESM740 goes o/c int - NLA -- use a TR03-400T & add 47R ?w resistor from gate to ground 14-09-04
Bush2146NTXDead with Green LED flashingLOPtx CHS order code ALB58614-09-04
Bush2214LINE OP TR SCR756 DRY JOINTED14-09-04
Bush2214No pic - buzzing PSUR756 5R 2w in base loptr hi res & C754 470pf 2kv o/c14-09-04
FergusonTX90 (TDA8214)Picture distorted on top, incorrect linearity, horizontal line 5cm from top.Color Flickering.Check replace DL15,=33V zener. Check also DL0314-09-04
FergusonTX90(TDA8214)Picture distorted on top, incorrect linearity, horizontal line 5cm from top.Color Flickering.Check replace DL15,=33V zener. Check also DL0314-09-04
FinluxFN21441 NO SOUND OR PICTURE 2 NO SOUND ICP2 O/C 3 EXCESS1 R44 O/C + D20 S/C 2 SOUND OP IC S/C TDA4935 3 D28 S/C14-09-04
FinluxFN2144Excess widthD28 BY299 s/c14-09-04
FinluxFN2144No soundICP2 o/c, TDA4935 audio o/p chip u/s14-09-04
FinluxFN2144No sound/picR44 fusible o/c, D20 BY299 s/c14-09-04
Goodmans2143SHUTS DOWN OR DEADC804P 8n214-09-04
Goodmans2145TSDead & trippingTDA8356 FOP chip s/c on 45v line14-09-04
HitachiC2146 / 2546 / 2846Int Nicam receptionCaused by solder bridge across pins 24 & 25 Nicam dec chip IC420114-09-04
HitachiC2146 etc"C46TN" displayed - in factory set up modePress the 2 VCR buttons on hset together - when the menu appears go to st/by14-09-04
HitachiC2146 etcField - lines at top of picIC601 field chip14-09-04
HitachiC2146TNDead - LED litCheck 5v reg IC952 & 8v reg IC951, IC950 st/by reg & Field o/p chip TA8427K14-09-04
HitachiC2146TNHor lines/striations across top 1/3rd of picR611 270R 1/2w across scan coils dry joints (hidden behind plastic frame supporting pcb)14-09-04
HitachiC2146TNInt cuts outDry joints Q951, Q952 & R952 82k, R950 56k hi res14-09-04

HitachiC2146TNInt field collapseDry joint on R71014-09-04
HitachiC2146TNInt or totally deadCheck for dry joints at 5v IC952 & 8v IC951 regs, line dr tr Q701 & line dr trfmr14-09-04
HitachiC2146TNInt shuts down to st/byDry joints IC950, 951 & 95214-09-04
HitachiC2146TNInt st/byIC950 dry joints14-09-04
HitachiC2146TNMode set up menuSwitch on holding in "Vol+" & "Vol-" together; Model No now displayed on screen; press 2 x rec buttons on hset together to display Vers & Standard; Version 46 V1.0 (later IC V2.0C)....Standard....I (for uk)..adjust with key 9....L.......key 8...DK.....key 0 BG.. 7...DEFAULT...0 1 to 6 alters value TV button return to 0...A18 Programme up button adjusts value.....LOO programme down value adjusts value .....If H shown set is hotel mode....and is removed by -/-- button....after adjustment put set into standby...14-09-04
HitachiC2146TNSHUTS DOWN ONTO STANDBYCHECK IC950,IC951 AND IC952 FOR DRY JOINTS14-09-04
HitachiC2146TN etcNo soundTDA7263 Audio o/p chip14-09-04
HitachiC2146TN etcTrips soon aft sw onDry joints R719/716 (LH rear of LOPTx)- hard to access, also check R905 0R5 or 2x 1R in Parallel14-09-04
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