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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: 18
Nokia6332UKDead - trippingS2000AF s/c - check for dry joints at 5C10214-09-04
SonyAE-1B KVX2132Ureduced heightR802 0.47R14-09-04
SonyAE-1B KVX2932Uframe foldover at the topC531 1000uf 50V14-09-04
SonyAE-2A KVA2532Uint loss of soundQ209 2SC2412K (mute transistor)14-09-04
SonyAE1B KV2932ULine tearing, no sync, vert roll, and colour flickering on/offWhen link JW105 (cut txt) adjacent to txt board skts on main pcb was linked, fault cleared. IC2 (SAA5231) Vid t/txt processor Ic on the "V" T/txt board was found to be the cause14-09-04
SonyAE1B KVX2132ULines over bright parts of pic & rollingQ598 in video amp circuit faulty, C592 100µ was the cause. 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
SonyAE2 KVE2532UPoor sync, mosaic & odd colsDig comb filter14-09-04

SonyAE2 KVE2932UExcess widthC819 470µ 16v - the -7.4v supply being poorly smoothed14-09-04
SonyAE2 KVE2932UFlashing picIC1301 SBX1692 comb filter - pt no 8-741-692-01 ?62+14-09-04
SonyAE2 KVE2932UNo pic/slow start upIC501 STV9739, R854 0.47u, R853 0.47u, C624 2200uF 35V, C625 2200uF 35V14-09-04
SonyAE2 KVE2932UShuts down within 2 secs with LED flashingReplaced IC 1501 TDA8179S FOP chip, R854 & 853 0R47, Q610 dry joints (on 2nd board), C624 2200uF 35V, C625 2200uF 35V, C1505 220uF 50V14-09-04
SonyKVA2932UGarbled Txt chars briefly at sw on - no menu/textX2001 on M board14-09-04
SonyKVX2132UPic fades out & crackle on sound - other tvs in w/s pick up radiationLOPTx internal arcing14-09-04
SonyKVX2532UNicam dropoutAdj orange variable cap on Nicam board14-09-04
SonyKVX2932UFRAME FOLDOVERREPLACE C531 1000MFD50V14-09-04
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