Dicas Reparação
Modelo - Chassis KV27XBR15
Pesquisa: KV27XBR15 Enviar Dica Resolvida
Resultados 44
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR15 | CLOCK GAINS TIME, ADD .1 UF/50V BETWEEN Q-105 BASE TO GROUND | Clock gains time. | ||
| Sony | KV27XBR15 | NEW H BOARD, REFER TO SUPPLEMENT NUMBER 4 | H board and IC-51 have been changed. -HQ COMMENTS: There has been a change to both the H Board, and IC-51.Service Manual Supplement number 4 has been issued to cover thesechanges.H-1 Board 1-629-621-23CBX-1618-51 8-741-100-62 IC-51 | ||
| Sony | KV27XBR15 | VERTICAL LINES IN PICTURE, CHECK REF ADJ ALSO R-517 | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines but are of solidred, blue or green colors. | ||
| Sony | KV27XBR15 | HORIZONTAL LINES IN PICTURE, RESOLDERED C-546 ("A" BOARD) | Horizontal lines in picture sometimes on top sometimeson the bottom. Looks like retrace but in reality it is ringing. | ||
| Sony | KV27XBR15 | COLD SET HAS NO VIDEO FOR FIRST THREE MINUTES, REFER L1614 | When set is turned on cold, there is no video for the firstthree minutes. High voltage and all function check out ok except video ismuted coming out of IC-301 to CRT. Then the raster starts to blink on andoff for about 15 seconds and then the picture w | ||
| Sony | KV27XBR15 | NO PICTURE, HOW TO TROUBLE SHOOT | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | KV27XBR15 | SINGING YOKE, REPLACED YOKE USING P/N 1-451-275-41 | Replaced singing yoke. -HQ COMMENTS: Please order revised Yoke part number 1-451-275-41as per TVP Service Bulletin 114. | ||
| Sony | KV27XBR15 | VERTICAL PROBLEMS, RESOLDERED C-504 (IC-500/PIN 5) | I have now seen several models, ANU-1 chassis that exhibitwhat looks to be an odd type of retrace at the bottom of the screen.There may also be a few lines missing in the middle of the screen. It isunlike vertical problems I have seen in the past. The | ||
| Sony | KV27XBR15 | WOO-WOO SOUND SRS MODE, REPLACED SRS MODULE SEE TVP SB #45R1 | Hum comes and goes especially with male voice on real stereobroadcasts with SRS turned on. | ||
| Sony | KV27XBR15 | CONTROL LEVELS SETTING, DIFFERENT FOR EACH INPUT SEE SB # 37 | BRT/COLOR/HUE/SHARP on some input(s) is ok, on some otherinput(s) is excessive/distorted. | ||
| Sony | KV27XBR15 | IC101 WRONG PART NUMBER, REFER TO TVP SB # 92 | The part number for IC101 on A Board is incorrect. The numberin the manual is 875963367. The description is M37100M8-815SP. This isthe right part number for this IC, but does not go in this set. Thecorrect part number is 875963289, and the descriptio | ||
| Sony | KV27XBR15 | CHILD PICTURE LOSES AFT LOCK, REPLACED IF-201 | The child picture looked like it was losing AFT lock, after awhile, there would be no picture. Found that IF-201 was thermal byplacing freeze mist on the IF pack, the picture would return to normal. | ||
| Sony | KV27XBR15 | SPECIFICATION: AUDIO AMPLIFIER, 180HZ-20KHZ | What is the frequency range of the audio amplifier on the (K)board? -HQ COMMENTS: The frequency response is: 180Hz-20kHz. | ||
| Sony | KV27XBR15 | SAFETY RELATED ADJUSTMENT, REFER TO TVP SB # 62R2 | Per the attached (Safety Related Adjustment) page from theservice manual, we are required to use a regulated power supply adjustablebetween at least, 140 to 145 VDC. Such a supply is not on the SSC re-quired test equipment list nor have I ever encounter |