| Make | Model | Problem | Solution | Date |
| | | |
| Found: 52
|
| Orion | SKV2194 | Chans tune but won't store | EEPROM TC89101 | 14-09-04 |
| Sony | AE1 KV211XMTU | Dead - dry joints scan coil plug | Then excess width unable to adj - Replaced L806 (shorted turns) in the East/West circuit (just behind the LOPTX). | 14-09-04 |
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| Sony | AE1C KV2162U | Int start up | Mains smoothing cap | 14-09-04 |
| Sony | BC-4 KV21V6U | comes out of staby then trips, LED blinks 4 times | R623 100R 0.25W o/c | 14-09-04 |
| Sony | BC-4 KV21V6U | distorted audio on VCR playback | DJ on L1004 in audio section on VCR PCB | 14-09-04 |
| Sony | BC-4 KV21V6U | will not record, playback is Ok | resolder tuner units TU101 and TU102 | 14-09-04 |
| Sony | BE-4A KV21T3U | blank raster with flyback lines | A1 voltage too high, replace LOPTx | 14-09-04 |
| Sony | BE-4A KV21T3U | no pic (blank video) | D722 (871999133) o/c on CRT | 14-09-04 |
| Sony | BE-4A KV21T3U | volume goes to max, no remote or front control functions | Micro gets hot, replace Micro part no 875947506 | 14-09-04 |
| Sony | BE-5 KV21X1U | dead | IC600 STRS6707 (874992499), D603 RD6.8ESB2 (871910997), R601 (120296211), R605 (121636411), Q601 2SC3852A (872902504) | 14-09-04 |
| Sony | BE-5 KV21X1U | dead | Q802 S2000N (872903385), do not use S2000A as it will fail in a short time | 14-09-04 |
| Sony | BE-5 KV21X1U | int. sync, picture patterning | replace SMD C341 | 14-09-04 |
| Sony | BE-5 KV21X1U | striations on LHS | R820 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 |
| Sony | BE-5 KV21X4U | humbar on dark scenes , common on high gain channels | IC101 MC44002P (875933345) | 14-09-04 |
| Sony | BE-6 KV21X4U | no pic or sound, LED blinks twice | 5V low at micro pin 12, HT down to 38V - resolder IC604 (no earth connection) | 14-09-04 |
| Sony | BE4 KV21M3U | Field collapse | R814 0R47 in 24v supply o/c - use proper improved Sony type | 14-09-04 |
| Sony | BE4 KV21T3U | Int dead | R607 0R56 2 watts had risen in value to nearly 2 ohms | 14-09-04 |
| Sony | BE5 KV21X1U | Int dead | Dry joints R651 - under plastic frame | 14-09-04 |
| Sony | FE-1 KV21X5U | burst of EHT then shuts down with LED flashing error 2 | regulator IC603 SE135N (874992061) | 14-09-04 |
| Sony | FE-1 KV21X5U | pic closing in from sides and going off (poor HT regulation) | error amp IC603 SE135N (874992061) | 14-09-04 |
| Sony | FE1 KV21X5U | Dead with 2 flashes from led | When 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 base | 14-09-04 |
| Sony | kv-21ls30u | red light flashes 5 times pauses flashes 5 pauses also picture discolouration set switches itself off after several hours, | 5 flashes on that model of sony is an auto grey scale failure wich would also explain the discoloured picture. check a1 setting, also c513 is known to expand and vent, if it has replace it and add a 10nf 250v cap in parallel with c710. | 13-01-06 |
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| Sony | KV14F1, KV21F1 | No pic - raster visible when A1s turned up | IC902 L78L33 3.3V reg feeds Txt I/C on the bottom VCR board | 14-09-04 |
| Sony | KV211XMTU | Int goes bright green | Q311 buffer display tr on video panel - 2SC2785 used as official replacement | 14-09-04 |
| Sony | KV2153M | Dead with LOPTr s/c & sec prot diode | Also replaced opto, res & caps in psu - after which inability to tune manually. Use the auto tune facility | 14-09-04 |
| 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 |