Dicas Reparação
Modelo - Chassis KV32XBR65
Pesquisa: KV32XBR65 Enviar Dica Resolvida
Resultados 28
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV32XBR65 | HORIZONTAL RGB LINES IN TOP PORTION OF PICTURE, R-517 | Unit looks normal but, displays red, green and blue horizontallines on the top portion of the picture. Normally, adjusting the REFfunction in the service mode will shift the lines out of the picture area.However, in this case the shift was not enough. | ||
| Sony | KV32XBR65 | VIDEO BLANKING, REPLACED CRT (WEAK RED) | Blanking activation was caused by a defective CRT. Thisproblem is difficult to troubleshoot because you can't visually diagnosethe condition of the picture tube during blanking. Remove Q-711 andconnect a jumper across C-720. This will restore raster a | ||
| Sony | KV32XBR65 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV32XBR65 | PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV32XBR65 | PINCUSHION DISTORTION, REPLACED R-571, L-501 | Set had narrow bowed-in picture on both sides. Found R-571on the A board had changed value to 22 Ohms. | ||
| Sony | KV32XBR65 | H BOARD AND IC-51 CHANGE, COVERED IN SUPPLEMENT NO. 4 | H Board and IC-51 have been changed. -HQ COMMENTS: There has been a change in the H Board and with IC-51.Service Manual Supplement number 4 has been issued to cover these changes.H1 Board 1-629-621-23IC-51 8-741-100-62 CBX-1618-51 | ||
| Sony | KV32XBR65 | VERTICAL LINES IN PICTURE, REF MIS ADJ, ALSO CHECK 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 | KV32XBR65 | HORIZONTAL LINES IN PICTURE, REPLACED C-546 | Horizontal lines in picture sometimes on top sometimeson the bottom. Looks like retrace but in reality it is ringing. | ||
| Sony | KV32XBR65 | SET ALWAYS IN CHANNEL SCAN MODE, REPLACED CP110 | Servicer ran a call on unit at dealer, set was defectiveout-of-box. Set would intermittently go into channel scan. If anycustomer control button was depressed, unit would stop scanning, butwould not perform function related to button which was depresse | ||
| Sony | KV32XBR65 | GAINS TIME, SEE S/B TVP-0087 | Installed capacitor modification as per Service Bulletin0087. It has resolved the problem. Before addition of apacitor you couldunplug the set, plug it back in and it would work for 15 to 20 minutes andthen start gaining time. -HQ COMMENTS: Thaks for t | ||
| Sony | KV32XBR65 | NO PICTURE, TROUBLESHOOTING HINTS | 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 | KV32XBR65 | VERTICAL PROBLEMS, REPLACED C-504 | 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 | KV32XBR65 | CONTROL LEVELS SETTING, SEE SB NUMBER 0039 | BRT/COLOR/HUE/SHARP on some input(s) is ok, on some otherinput(s) is excessive/distorted. |