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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: 22
SonyBE-5 KV21X1UdeadIC600 STRS6707 (874992499), D603 RD6.8ESB2 (871910997), R601 (120296211), R605 (121636411), Q601 2SC3852A (872902504)14-09-04
SonyBE-5 KV21X1UdeadQ802 S2000N (872903385), do not use S2000A as it will fail in a short time14-09-04

SonyBE-5 KV21X1Uint. sync, picture patterningreplace SMD C34114-09-04
SonyBE-5 KV21X1Ustriations on LHSR820 3.3k fusible, located on the RHS of the LOPTx, blue in colour, between 2 coils (R820 is not marked on CCT)14-09-04
SonyBE-5 KV21X4Uhumbar on dark scenes , common on high gain channelsIC101 MC44002P (875933345)14-09-04
SonyBE-6 KV21X4Uno pic or sound, LED blinks twice5V low at micro pin 12, HT down to 38V - resolder IC604 (no earth connection)14-09-04
SonyBE5 21X4UDead with 4 flashes from LEDCheck T801on primary side for O/C, part number 1-437-090-3114-09-04
SonyBE5 KV21X1UInt deadDry joints R651 - under plastic frame14-09-04
SonyFE-1 KV21X5Uburst of EHT then shuts down with LED flashing error 2regulator IC603 SE135N (874992061)14-09-04
SonyFE-1 KV21X5Upic closing in from sides and going off (poor HT regulation)error amp IC603 SE135N (874992061)14-09-04
SonyFE1 KV21X5UDead with 2 flashes from ledWhen D512 was unsoldered, LOP stage operated - Q703 (BF420), Q704 (BF421) and Q713 (BF420) all in the red output. Plus D701 (MTZ J 5.6B, a 5.6V zener) leaky and D705, 1SS133T (1N4148) O/C. all on crt base14-09-04
SonyKV21X1DEADREPLACE IC600,D603,R601,R605,Q60114-09-04
SonyKV21X1UVenetian blind effect when coldC19 10µ faulty - also check C03 & 15 47µ14-09-04
SonyKV21X4UNO PICTURE LED BLINKS TWICERESOLDER IC60414-09-04
SonyKV21X5U FE1Dead - LED flashes twice - LOPTr s/cS2055N LOPTr replaced & solder up vatious dry joints - make sure you don't get a bad batch of S2055Ns!14-09-04
SonyKV21XRTUDead - no o/p from psuCheck L651 - in some versions substituted with N38 fuse - it could be o/c14-09-04
SonyKV21XRTUDead with no 135v HTWhen LOP stage dis'd HT ok - LOPTx faulty14-09-04
SonyKV21XRTUField collapse with R802 1R2 o/cWhen R802 replaced blew again with arcing from loptx - loptx replaced & D808 which was causing E-W fault14-09-04
SonyKV21XRTURope pattern 1/8th inch wide on lh side of screenCheck dressing of cables - keep away from C715 & scan coil plug14-09-04
SonyKV21XRTUTxt faulty - only TV chroma present in TXTHigh res conn pin 5 connector D3 (blanking o/p from Txt decoder)14-09-04
SonyKV21XRTUTxt lines at top of picC563 3µ3 100v14-09-04
SonyKVE21X1UService mode accessselect OSD ,5,Vol+,TV; TT appears in right hand corner. Select menu .Adjust with cursor keys .Standby to store new settings.14-09-04
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