Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | VTX1000R | NOISE IN PICTURE | Interference in picture caused by frequency beating the video.The higher the channel number, the more intense the noise. | ||
Sony | VTX1000R | MISPRINT ON SCHEMATIC | This unit has a very weak audio. Upon troubleshooting theunit I found out that RV-005, R057 and C061 are not on the schematic. -HQ COMMENTS: We will publish correction on this. | ||
Sony | VTX1000R | VIDEO MUTE | KX-1901 plays fine with external video but when hooked tothe VTX-1000 it goes into video mute. We found IC005/IF chip in theVTX-1000 to be defective. | ||
Sony | VTX1000R | NO CHANNEL CHANGE | Would not change channels after approx. 30 minutes playingtime. | ||
Sony | VTX1000 | NO TUNING OPERATION | Would not tune any channels. VC voltage to tuner remainedhigh. No pulses out of the IC001. | ||
Sony | VTX1000R | HISS NOISE IN AUDIO | Slight hissing noise in audio only on channel 13. | ||
Sony | VTX1000R | INCORRECT TUNING OPERATION | The customer complaint was the memory worked fine with theexception that it would not remember more than one channel beginning withthe number 3. It would remember any channel beginning with 3 but notmore than one. | ||
Sony | VTX1000R | CH 14 WOULD NOT LOCK | Cable Ch. 14 could not lock in on a cable co. using HRC cablesystem. AFT is not pulling far enough down to lock on Ch. 14. | ||
Sony | VTX1000R | TUNING WOULD NOT LOCK | At turn on, unit would display random channels, never the lastchannel which was displayed at turn off. Inspection of circuit revealedno reset pulse at Pin 7 of IC001 on A board. This pulse is supplied fromIC002. Voltage check on IC002 showed only abou | ||
Sony | VTX1000R | NO PICTURE | Dead tuner 6.8V line is 0V. Found ROSS at the 6.8V regulatoropen. | ||
Sony | VTX1000R | NO POWER ON | No power-on switching using front panel switch (S802) orremote. Customer claimed power would come on intermittently and thatother functions such as video switching, antenna switching would workerratically (this was not verified). When S802 is depressed |