Dicas Reparação
Modelo - Chassis KV25VXR
Pesquisa: KV25VXR Enviar Dica Resolvida
Resultados 7
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV25VXR | LOCK-UP | Set would turn on but no other functions. Raster ok and soundis ok. Measured crystal at IC-103 and found amplitude at 2Vp/p, s/b5Vp/p. | ||
| Sony | KV25VXR | POWER | While researching the problem, it cannot turn unit on withremote or front panel. I discovered that power switch on front paneleffectively behaves as a master power switch. This is to allow timer RECfor VCR without turning on TV. This is not very well | ||
| Sony | KV25VXR | PART NUMBER FOR X202 ON (MV-7) BOARD | Need part number for X-202, MV-7 board. -HQ COMMENTS: Part number is 1-567-303-11 (10.7mHz crystal). A servicebulletin will be issued. | ||
| Sony | KV25VXR | NO ON-SCREEN DISPLAY | No on-screen display in any function. Signals prevent at in-puts to IC-2001, but no outputs. Vertical pulse on pin 18, IC-2001 was1 VPP and 1-5VDC. By removing PPC-2 plug, display was on the screen. Isuspected D-2030 was causing the low pulse amplitu | ||
| Sony | KV25VXR | TIME ACTIVATED OPERATION MALFUNCTION | When the unit goes into RECORD PAUSE MODE, unit shuts itselfoff and memory gets wiped out. Found D602/5.6V zener) on (D) board de-fective causing no vertical pulse to PLL Contr. p4/IC103 and negativepulse at p58/IC2004 (Res. Out) at the REC. PAUSE insta | ||
| Sony | KV25VXR | NO VERTICAL SWEEP | No vertical sweep. | ||
| Sony | KV25VXR | NO FUNCTIONS | No audio, TV or VCR. |