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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: 2578
Akai2870TEXT ODDITYREPROGRAM MICRO.PRESS TEXT ON REM , S ON TV , THEN TEXT AGAIN14-09-04
AkaiCT1417DSt/by onlyC40614-09-04

AkaiCT1417UKField collapseC411 leaky14-09-04
AkaiCT1417UKFRAME COLLAPSEC411 LEAKY14-09-04
AkaiCT2107MS (Onwa)Int off with blob in centre of screenCheck for hairline cracks around chopper tfmr pins14-09-04
AkaiCT2137Field scan only I"No 33v via R442 - 5R16 8k2 o/c14-09-04
AkaiCT2137UKTNo sound except hiss - ok through scartwhen a 6Mhz resonator was fitted in vacant place 30F1 sound ok14-09-04
AkaiCT2137UKTVision buzzRemove digital transistor 9tr9 14-09-04
AkaiCT2179N-UKLine osc too fastC416 220pf 1kv dry joint, R412 10k ?w o/c14-09-04
AkaiCT2179NUKWhistles for 1sec then deadC807 47uF 25v14-09-04
AkaiCT2179UKInt blanking picRIC01 SPH113 chip faulty (blanking sig o/p at pin 25)14-09-04
AkaiCT2567St/by onlytiming constant capacitor for the standby IC is leaky. The IC is mounted on a heatsink in the middle of the board. C093 is a pair of surface mount capacitors [in parallel] connected between pins 2 and 4 of the IC. Remove these capacitors and replace them with a 220nf.14-09-04
AkaiCT25792 inch gap at rh sideC516 470pf 1.6kv next to lop tx14-09-04
AkaiCT2579NSteady, Oversized picC513 scan corr cap dry joint14-09-04
AkaiCT2867Black vert line down rh side of picCK53 120nf in blanking cct14-09-04
AkaiCT2867Thick lines across entire screenRS11 in vert scan 0µ47 tant14-09-04
AKAICT2867THICK LINES ACROSS SCREENREPLACE RS11 IN FRAME STAGE 220R14-09-04
AkaiCT2867 SP71LSt/by onlyC093 or another cap in parallelmarked R093 removing these 2 surface mounted capacitors and cleaning the glue under that had fixed them to the pcb cured the problem14-09-04
AkaiCT2867UNTDead with chopper V025 & LOPTr VK50 s/ccheck C025/026/027/028 in the psu primary, CK57 and RK56 & CK51 - VO25 (S2000N) and VK50 (BUF450) replaced - no other fault found!14-09-04
AkaiCT2870DeadD/J on on off switch or On off switch burnt14-09-04
AkaiCT2870Dist sound47µ cap next to sound IF chip in HF block14-09-04
AkaiCT2870Int crackling on soundIC3201 APU2470T faulty14-09-04

AkaiCT2870Sound noisy & poor when first sw onReplaced elects in tuner can14-09-04
AkaiCT2870NDead trippingLOPT14-09-04
AkaiCT2870NLow buzzing noisy soundC242 0.47µ 63v 14-09-04
AkaiCT2870UKWont tune to chans above 30D901 33v zener on aud o/p pcb14-09-04
AkaiSN71B6Blank raster at sw on sound ok - pic slowly comesCRT low emission - reactivated14-09-04
AkaiSN71B6No raster, sound ok - if A1 advanced strange rainbow effectReplace TDA8172 IC NS10 low volts pin 2 & RK53 3R314-09-04
AkaiSN71B6 TV2851No pic - sound/EHT present - Field blankedRK53 3R fusible pin 3 LOPTx14-09-04
AkaiSP7101St/by onlyReplace C093 sm (on print side)14-09-04
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