Dicas Reparação
Modelo - Chassis KV27TS20
Pesquisa: KV27TS20 Enviar Dica Resolvida
Resultados 22
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27TS20 ANU | vertical | KV27TS20 Unit has highly intermittent vertical foldover mostly at the top of the screen | Unit had small ring fractures around the vertical deflection yoke connector pins on the chassis. Resoldering the connections corrected the symptom | Muller |
| Sony | KV27TS20 | Intermittent video or snow | Resolder points A, B, C, D in tuner PCB, check cold solder on tuner shield 2-106-349-21 | ||
| Sony | KV27TS20 | DARK PICTURE, REPLACED D518 AND R587 | Dark picture | ||
| Sony | KV27TS20 | NO PICTURE NO SOUND, BLINKING SLEEP LIGHT | TV has no picture and sound, but sleep light keeps blinking. | ||
| Sony | KV27TS20 | NO CHROMA, REPLACED LEAKY C508 OFF JUNGLE IC301 PIN 12 | No color. Checked following: comb filter, pin 4 OK IC301-46OK changed X301, no help IC301-12, waveform OK, but DC voltage at 0.5instead of 3.2VDC C508 - 300 ohm leakage. | ||
| Sony | KV27TS20 | UNIT WILL GO OFF STATION WHEN COLD, RESOLDERED IF BLOCK | Found APT transformer in IF block had ring cracks. | ||
| Sony | KV27TS20 | AFTER TURNED ON, PIX STAYS IN BLANKING FOR 30 MIN, C574 | At cold start, the IC 301 pin 34 high (5V). IC 101 pin 43 high(5V). D506 cathod low, D505 cathod high, IC 101 pin 51 OK (H puls), pin 50faulty. IC 501 pin 6 faulty. | ||
| Sony | KV27TS20 | UNSTABLE PICTURE, REPLACED C-509 | Picture appeared to have no horizontal sync. Picture did notroll but would occasionally fold over or shift side to side. H and Vinputs to the jungle IC-301, pins 48 and 47 were present. Technician atthe service center replaced the jungle but this did | ||
| Sony | KV27TS20 | NO HIGH VOLTAGE, REPLACE IC-301 | No high voltage, no horizontal pulse from pin No. 12 ofIC-301. Verified all B+ voltages present and checked for shorts on outputleg (both sides of C-508). All ok. | ||
| Sony | KV27TS20 | SQUEALING, L-511 | Set had intermittent high pitch squeal. Two yokes were re-placed the last having hot glue applied. Home tech found by moving L-511the squeal would come and go. Note: I have found out in four cases thatif their is a squeal after the yoke has been hot g | ||
| Sony | KV27TS20 | BLOWS FUSE, REPLACE CRT | Upon turn on line fuse would blow. Could bring up to 80VAC.The horizontal waveform is ok. With AC up to 100VAC output would distort.Any higher fuse would blow. Disconnect C board and was able to bring upto 120VAC. Hookup chassis to another tube evert | ||
| Sony | KV27TS20 | TV HAS GHOSTS ON STRONG LOCAL CHANNELS, SEE SB TVP0101 | Ghosting occurring on strong local channels due to leakage inantenna circuit. Installation of new coupler supplied by TechnicalDepartment solved the problem. -HQ COMMENTS: Part number for this cable is 1-537-383-11. | ||
| Sony | KV27TS20 | AFTER 1 TO 2 HOURS PICTURE PULLS IN FROM SIDES, C-550 | After one to two hours, picture would pull in from the rightside at this time horizontal output would short taking out the flyback andthe power regulator chip. Found C-550 (coupling capacitor) opening up.Four volts P/P on one side, 1 volt P top on the o | ||
| Sony | KV27TS20 | PINCUSHION DISTORITION, D-519 | Pincushion distortion. | ||
| Sony | KV27TS20 | SAP NOT WORKING, ALIGNMENT? | I was contacted by a customer because SAP didn't work on hisunit (we have weather on Channel 6, the PBS channel here). He went to thestore and the display model didn't work either. I went to another storeand the display didn't work on SAP either. -HQ |