| Make | Model | Problem | Solution | Date |
| | | |
| Found: 917
|
| 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. | 14-09-04 |
| Sony | KV2184 | Chans won't lock when tuning & garbled OSD | LA78LR05 5 legged 5v reg with µ reset built in faulty | 14-09-04 |
| 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 | 14-09-04 |
| Sony | KV2184 | Switches off on bright scenes | R621 1R in psu slightly hi (1R4) | 14-09-04 |
| 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. | 14-09-04 |
| Sony | KV2184-34 | Won't start. Nothing heard upon switch-on. | Diode D604 short circuited | 14-09-04 |
| 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. | 14-09-04 |
| Sony | KV21LS30 | Dead - LED flashes 11 times | R648 (330K) O/C in power supply. | 14-09-04 |
| Sony | KV21LS30U | Bright raster with fb lines | Adj A1 or focus resets pic - until next time - new LOPTx reqd 1-453-345-11 | 14-09-04 |
| 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
| 14-09-04 |
|
|
| Sony | KV21T3 | VOLUME GOES TO MAX, NO REMOTE OR FRONT CONTROL | REPLACE MICRO | 14-09-04 |
| 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 | 14-09-04 |
| Sony | KV21V6U | Error message - asking to be reset all the time | EEPROM chip ST24C16FM6TR IC002 | 14-09-04 |
| Sony | KV21V6U | No pic- screen blank - OSD ok | IC401 CXA1855Q vi switching chip | 14-09-04 |
| 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 | 14-09-04 |
| Sony | KV21VXIMT | Field collapse - may be int | Dry joints Q551, 553, 554 & 555 & replace C556 4µ7 160v & C560 470µ | 14-09-04 |
| Sony | KV21VXIMT | Rolling - may be int | µPC1377C timebase gen chip | 14-09-04 |
| Sony | KV21X1 | DEAD | REPLACE IC600,D603,R601,R605,Q601 | 14-09-04 |
| Sony | KV21X1U | Venetian blind effect when cold | C19 10µ faulty - also check C03 & 15 47µ | 14-09-04 |
| Sony | KV21X4U | NO PICTURE LED BLINKS TWICE | RESOLDER IC604 | 14-09-04 |
| Sony | KV21X5U FE1 | Dead - LED flashes twice - LOPTr s/c | S2055N LOPTr replaced & solder up vatious dry joints - make sure you don't get a bad batch of S2055Ns! | 14-09-04 |
| Sony | KV21XRTU | Dead - no o/p from psu | Check L651 - in some versions substituted with N38 fuse - it could be o/c | 14-09-04 |
| Sony | KV21XRTU | Dead with no 135v HT | When LOP stage dis'd HT ok - LOPTx faulty | 14-09-04 |
| Sony | KV21XRTU | Field collapse with R802 1R2 o/c | When R802 replaced blew again with arcing from loptx - loptx replaced & D808 which was causing E-W fault | 14-09-04 |
| Sony | KV21XRTU | Rope pattern 1/8th inch wide on lh side of screen | Check dressing of cables - keep away from C715 & scan coil plug | 14-09-04 |
| Sony | KV21XRTU | Txt faulty - only TV chroma present in TXT | High res conn pin 5 connector D3 (blanking o/p from Txt decoder) | 14-09-04 |
| Sony | KV21XRTU | Txt lines at top of pic | C563 3µ3 100v | 14-09-04 |
| Sony | KV2200 | Whistle - intermittent. | C612 ( 3.3u f-4.7u f ) will do , C622 ( 33uf ) | 14-09-04 |
| Sony | KV2206 | Dead | Dry joints chopper tfmr pins | 14-09-04 |
| Sony | KV2207 | off | R604 470K on psu hi res | 14-09-04 |