Dicas Reparação
Modelo - Chassis V25
Pesquisa: V25 Enviar Dica Resolvida
Resultados 289
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV25XBR | DAMAGED BOARD | Three out of eight units we received at The Consumer CTRin Tampa have cracked X boards along the edge near Q1111. No damageto the cartons. -HQ COMMENTS: The cause seems to be flexible cabinet/chassis ofKV-25XBR. | ||
| Sony | KV25XBR | LOW BRIGHTNESS | Three units. When using PC701 to interface KV-25XBR to anIBM PC, user has washed out picture with low brightness. He claims thishappens with all the PC701s and XBRs he has tried. -HQ COMMENTS: PC701 reduced somehow overall brightness of whatevermonito | ||
| Sony | KV25XBR | MISSING PART # | We need the bezel assy for KV-25XBR in black which usesa slightly darker bezel than the one for beige or plum.Is there a different part? -HQ COMMENTS: KV-25XBR is marketed in only one bezel gray shade version.But in practice it may vary within the produ | ||
| Sony | KV25XBR | RGB GOES ON BY ITSELF | RGB will turn on at sound vibration or by opening/closing ofcontrol panel. The unit sensitive to vibration has its RGB buttontouching the switch and just slight vibration will turn it down. | ||
| Sony | KV25XBR | NO DISPLAY | Two problems: 1) volume changes activate RGB mode. Found RGBbutton jammed closed. 2) no channel/function display. Found L101 on theA board to be open. There is 5V active low info. present at IC104/P12. | ||
| Sony | KV25XBR | DISTORTED RIGHT CHANNEL AUDIO, REPLACED IC1108 | Distorted audio, right channel only. | ||
| Sony | KV25XBR | DEAD | Unit was dead. No functions. Traced problem to shortedD1657 (pin damper diode). | ||
| Sony | KV25XBR | NO SOUND | No audio output. Traced problem to IC1107 on the X board.This is the second report I know of this problem. | ||
| Sony | KV25XBR | WRONG PART NUMBER | The service manual shows IC1502 as part number 6-066-717-10 inerror. | ||
| Sony | KV25XBR | IBM PC INTERFACE | The KV-25XBR service manual provides no technique or specifi-cations for adjusting the RGB subbrightness controls RV401, 402, 403. Ifthis unit performs with the IBM computer, as did its predecessor theprofeel, adjustments may be necessary. -HQ COMMENTS | ||
| Sony | KV25XBR | VERTICAL JITTER | This unit had a 1/2 vertical jitter when using a satelliteantenna. On cable or regular VHF/UHF antenna, there was no problem. | ||
| Sony | KV25XBR | MARGINAL FAILURE OF IC651 REGULATOR MODULE | Dark pix (customer complained of no video, however video isdiscernable when pix contrast is maximum), 90% raster (horizontal width),audio OK. | ||
| Sony | KV25XBR | NO RGB OUTPUT | Set had no RGB output when unboxed. Scope showed good videoin at IC301 Pin 3 and also Pin 2 but no video out at Pins 32, 33 or 34.A check of supply voltages showed the following: 140 volt line was 130volt. 16 volt line was 15 volt. 8 volt line was 7 | ||
| Sony | STRV25 | DEFECTIVE RELAY | When the unit is cold, the speaker protection relay (RY601)clicks, but no audio comes out. Opened the case of the relay and foundthe flux from PC board which was preventing the contact of the switchinside the relay. | ||
| Sony | STRV25 | AGED RESISTORS | The customer has owned this unit for 16 months and has hadit serviced by an independent servicer 4 times. She said it would playfor a while and then one or both channels would go out and it would stopworking. The relay would kick out. |