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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: 36
SonyAE-1 KVX25TUblank screen, no sound, may be int.DJ Q608 12V regulator14-09-04
SonyAE-1C KVX2552Uint colourreplace trimmer CT332, short pin 11 of IC331 TDA4510 and adjust trimmer CT332 for near stationary colour14-09-04

SonyAE-1C KVX2552Uint switch on/deadresolder IC604 located under plastic chassis assy14-09-04
SonyAE-2 KVX2562Udead, no LED, fuse OkR610 120k and R612 430k gone high (do not forget to discharge smoothing cap)14-09-04
SonyAE-2 KVX2562Uframe collapseIC501 (875950646) u/s. A new plastic rivet to clamp IC heatsink to main heatsink may be required, part 748121340014-09-04
SonyAE-2 KVX2562ULED flashing error 2B board not seated correctly due to wiring harness being positioned under board14-09-04
SonyAE1 KVX2542YField o/p chip has short lifeLOPTx faulty - gives excess 27 volts supply (32v)14-09-04
SonyAE1B KVX2532UAudio LH chan int goes to max with crackleTDA6200 on Audio J panel sus. As this chip is expensive, commoned both o/p to good chan14-09-04
SonyAE1B KVX2532UInt Txt & Lum (when ae plug wiggled)Dry joints IC pins on Txt board14-09-04
SonyAE1C KVX2532USquegging line freq or dead if left on too longQ804 LOPTr s/c due to dist line wfrm - R822 1k in Q805 coll feed o/c14-09-04
SonyAE1C KVX2552ULoud crackle int & pic goes offCheck dry joints IC604 & D612 located under strut14-09-04
SonyAE2 KVX2562UBlank dull green raster - slight pic noticed if A1 volts critically set, sound etc okIt’s the CRT! 14-09-04
SonyAE2 KVX2562UInt. unsynchronised text lines flashing all over the pictureReplace IC02 SDA5231-2 on V-board (you can use SAA5231 instead of SDA which is about 10 times cheaper)14-09-04
SonyAE2 KVX2562UText & Menu a mass of unsync linesOrange trimmer CT01 on V-board next to IC02 SDA5231-2.14-09-04
SonyAE2 KVX2575USt/by onlyCheck caps in psu pri14-09-04
SonyAE2B KVX2572UInt cuts out with 13 flashes from leddry joint C628 47µ 50v pin 12 power trfmr14-09-04
SonyAE2B KVX2572UNo start up - LED flashes 7 timesdry joints IC602 & Q603 (front of panel near centre)14-09-04
SonyBE-3B KVX2582Uint crackling with stereo graphics switching between mute and stereo symbolsNICAM Xtal X1101 8.192MHz on A PCB14-09-04
SonyBE-3B KVX2582Uint operation from remoteSMD resitor pack RA2 near Micro is faulty (123341511)14-09-04
SonyBE3B KVX2582Reverts to st/by at sw onC604/605/607 in psu14-09-04
SonyKVX25121UStuck on chan 11fault cleared when front panel removed/replaced - jamming button?14-09-04
SonyKVX2512UFRAME FOLDOVERREPLACE C531/532 NEAR FRAME O/P IC14-09-04

SonyKVX2521Int bright blank raster, all normal settings at max & no chan storeT807 10mH coil int o/c - must use correct coil SEME order-code TPAR2419 ?5.74 14-09-04
SonyKVX2521Red, green, blue lines appear across top of screen after time - worse on txtC531(680uf / 25v)14-09-04
SonyKVX2521UField lin - streched top, compressed bottomC531 680µ low cap14-09-04
SonyKVX2521UHigh pitched buzz from rh spkrDry joints audio o/p chip14-09-04
SonyKVX2521UInt loss of pic & sound12v supply lost when pcb flexed - Q608 front/centre of pcb dry joints14-09-04
SonyKVX2532UNicam dropoutAdj orange variable cap on Nicam board14-09-04
SonyKVX2552UHum bar effect in background - ok on scartDry joint on reg near front of pcb over plastic support pillar that needs cutting to gain access14-09-04
SonyKVX2562UFlashing picDry joints reg Ics near front of pcb14-09-04
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