| Make | Model | Problem | Solution | Date |
| | | |
| Found: 41
|
| Pye | 37KV1212 | Crackle/popping on sound esp when tapped | Removing TDA7052, cleaning print & replacing cured fault | 14-09-04 |
| Pye | 37KV1242/05B GR1AX | Buzzes , HT correct ( 95v ) . | L5524 OC. | 14-09-04 |
|
|
| Sony | BC-4 KV14V5U | frame blanking appears as black band in the centre of screen | C378 (116400511) on pin 45 of IC304 | 14-09-04 |
| Sony | BC-4 KV14V5U | lack of contrast on pic and text | R833 (124944111) faulty, also check R832, R838 | 14-09-04 |
| Sony | BC5 KV14FV1U | Dead - LED blinks 4 times | Q802 BU4508DX LOPTr s/c pt no 872905182 & PS602 N75 cct prot o/c pt no 153268621 | 14-09-04 |
| Sony | BE-4 KV14T1U | coloured lines on top | EEPROM IC002 ST24C02CB1 (875937032) | 14-09-04 |
| Sony | BE-4 KV14T1U | dead | LOPTr Q802 S2055N s/c, R615 0.46R (121737100) o/c, IC601 STRS5706 s/c | 14-09-04 |
| Sony | BE-4 KV16WT1U | frame collapse | DJ L807 wire link to LOPTx earth | 14-09-04 |
| Sony | BE-4 KV16WT1U | frame collapse (no picture) | R814 0.46R 0.5W (121781111) o/c, IC501 TDA9302, C504 100uF 50V, also replace D501 RGP10GP (871930243) or may fail again | 14-09-04 |
| Sony | BE4 KV14T1U | Auto grey scale lines visible at top of screen | EPROM ST24C02CB1 IC002 faulty | 14-09-04 |
| Sony | BE4 KV14T1U | Dead - no led lit or flashing | 0.47R resistor from the 300volts input to the chopper TX
was O/C, replace STRS5706 chopper chip, still dead - LOPTr S2055N leaky If LOPTx is grey, R806 1.5R
with a 1.8R resistor Part number 1-216-352-11. | 14-09-04 |
| Sony | BE4 KV14T1U | Dead | cracks in print around loptx | 14-09-04 |
| Sony | FE2 KV14LM1U etc | LED flashes 5 times - sound but no pic aft initial EHT rush | R618 270k in current sensing cct - roughly centre of board close to Q602 | 14-09-04 |
| Sony | KV1340 | Hum bar & lack of width. | C523 ( 10u f ) o/c. | 14-09-04 |
| Sony | KV1400 | Dead - F601 3.15A o/c | R601 3R9 10w o/c; Q605 Chopper s/c; R627 0R47 1w o/c; C518 330pf 1kv leaky & was the cause | 14-09-04 |
| Sony | KV1400 | Tuning drift - intermittent. | DJ in BT871 tuner on ground & print. | 14-09-04 |
| Sony | KV1400UB | Sound absent | R254 390R in 105v supply o/c | 14-09-04 |
| Sony | KV1412UB | Striations on lh side | C534 22µ 250v | 14-09-04 |
| Sony | KV1420 | Raster - bright blue. | Ty slight adj of G2 first anode supply. | 14-09-04 |
| Sony | KV1422 | Won't power up | Q503 leaky - tested ok out of cct also C801 22µ 250v s/c | 14-09-04 |
| Sony | KV1462 | Negative pic | Dry joints IF201 module | 14-09-04 |
| 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 | KV14FV1 | goes off after 30 sec | resolder links JW1, JW2, JW3 | 14-09-04 |
| Sony | KV14LT1U | Reverts to st/by aft few mins | R618 270k hi res | 14-09-04 |
| Sony | KV14M1D | Int dead - goes into prot mode | TDA8139 int | 14-09-04 |
| Sony | KV14T1U | Dead | R614 0R47 | 14-09-04 |
| Sony | KV14T1U | LED flashing 6 times with a break of 1 sec between every 6 flashes. | Replace LOPT (Konig FAT30489 from Seme) | 14-09-04 |
| Sony | KV14T1U | Pic fades with flaring at sw on | crack by loptx (to crt htrs?) | 14-09-04 |
| Sony | KV14T1U | Sound at max | replace tact sws pt no SW01634 | 14-09-04 |
| Sony | KV14T1U BE4 | Bright white raster | check conns/cracks around LOPtx | 14-09-04 |