Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Sony | KV21VSK | Dead - lightning stike | TOP223 on st/by psu, fuse o/c, s/c bridge rect & chopper tfmr of st/by psu had burned off wire - able to repair | ||
Sony | KV21V6U | No pic- screen blank - OSD ok | IC401 CXA1855Q vi switching chip | ||
Sony | KV21V6U | Error message - asking to be reset all the time | EEPROM chip ST24C16FM6TR IC002 | ||
Sony | KV21T3U | Dead - brief rustle of EHT & LED repeatedly flashes 6 times | LOPTx - will not run on dummy load (still trips) HT = 145v in fault condition - when LOP stage isolated with no dummy load, LED flashes X4 | ||
Sony | KV21T3 | VOLUME GOES TO MAX, NO REMOTE OR FRONT CONTROL | REPLACE MICRO | ||
Sony | KV21T1U | No Txt, excess width/height, poor contrast | Reset eeprom - press on the remote on screen display key No 5 vol up key tv set will come on with TT on screen press menu | ||
Sony | KV21LS30U | Bright raster with fb lines | Adj A1 or focus resets pic - until next time - new LOPTx reqd 1-453-345-11 | ||
Sony | KV21LS30 | Dead - LED flashes 11 times | R648 (330K) O/C in power supply. | ||
Sony | KV2184-34 | Won't start/ loud audible buzz.Sometimes starts and switches off after a while.If stby pin(41) of Mp desoldered,all ok | Replace Str50115. | ||
Sony | KV2184-34 | Won't start. Nothing heard upon switch-on. | Diode D604 short circuited | ||
Sony | KV2184-34 | Won't start, pin 41 (stby) of microcontroller is high. | Replace Q003. No leak or any other defect was detected with a VOM. | ||
Sony | KV2184 | Switches off on bright scenes | R621 1R in psu slightly hi (1R4) | ||
Sony | KV2184 | Dead - STR50115 overheating | Replaced chip (s/c pins 2 & 3) but still dead; D608 R2M diode s/c & PS801 800mA cct prot o/c | ||
Sony | KV2184 | Chans won't lock when tuning & garbled OSD | LA78LR05 5 legged 5v reg with µ reset built in faulty | ||
Sony | KV2170 | Dead - PS603 o/c | Replace the 1.0A IC Link [ICP-N25] PS603 (1-532-637-11) by the 2.5A IC Link [ICP-N75] (1-532-686-21). Add the MTZJ-T-77-5.6B Diode D613 (8-719-923-38) between pins 1 (cathode) and 9 of IC603. Add the MTZJ-T-77-5.6B Diode D614 (8-719-923-38) between pin 9 (cathode) of IC603 & ground. |