Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Bush | 2866NTX/SM2 | Intermittently the stereo symbol would appear on screen, sometimes it would change to dual II and back again, while this was happening the sound would crackle and sometimes disappeared all together | The problem was cured by re-soldering over the whole NICAM panel. Note: The Bush 2866NTX without the SM2 in the model is a different | ||
Ideal/Slx | IDTV28T/IDTV28N/SLX28T2/28N SM2 | EW fault then set went dead tripping, R711 on EW panel burnt | Check for dry joints on C620 0.47uF, 250V, if dry replace then check Q602 and R618 5K6. Also it is worth replacing Q580 anytime these sets come into the workshop with a BF422 | ||
Fidelity | CTV3228NF SM2 | Colour fades out | C325 0µ1 | ||
Bush | 2866NTX/SM2 | Won't store or loses chan store | This was cured by replacing memory 24C08 | ||
Bush | 2866NTX/SM2 | To access tuning mode | press and hold [MENU] button for at least 5 sec. Then press and hold the white button for at least 5 sec to auto tune all the channels. Then use the green button to re-arrange the stored channels. | ||
Bush | 2866NTX/SM2 | Line tearing when heated | C597 (22nF 400V) completely open circuit. | ||
Bush | 2866NTX/SM2 | Blank white raster - sound ok | Jungle chip TDA8363AN3 | ||
Bush | 2866NTX SM2 | Txt missing | Short pin 20 of IC301 the micro to earth then switch on. Service menu should appear Service- Telra V2.0; OP byte 1 OX OB; OP byte2 OX BO Init EEPROM. Use P+/P- tp select the line to adjust and V+/V- to adjust.Bytes 1 and two must be as shown above. To initialise the EEprom select the line and press V+/V- Correct handset reqd. | ||
Sony | ASM200PS | REDUCED SENSITIVITY TO SCENE CHANGES | The unit does not set off the alarm when small changes aremade in the monitored scenes. Changes have to be very large to set offthe alarm. | ||
Sony | ASM200PS | UNIT DOES NOT COME OUT OF FIVE-DAY TEST MODE | In normal operation every five days the unit will test thesystem for proper operation. Two units have failed to return to normalpreset operations after the five-day test mode. |