Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | SPP50 | BASE DOES NOT RECOGNIZE CODE | Code was being received in the base but the IC-2's op-amp/fil-ter was loading down the signal by rounding the edges of the square wave-form at its input pin No. 3 (IC-2). After being shaped by Q-5 and Q-6,the micro could not recognize the code. Also cr | ||
Sony | SPP50 | NO SIDE TONE | No side tone but handset does receive dial tone. The problemwas isolated in the base. Defective C-71 was preventing side tone fromreturning to the handset. The capacitor was dried out which allowed theouter can to spin freely. Also pertains to serial | ||
Sony | SPP50 | UNIT DISCONNECTS LINE AFTER 20 SECONDS. | Unit disconnects line in approximately 15 to 20 seconds. Thisis due to the fact that IC-1 pin 14 is internally shorted to ground (at743 Ohms). This in turn holds IC-5 pin 20 low and the micro disconnectsthe line. | ||
Sony | SPP50 | NO DIAL TONE | No dial tone. Z-1 is shorted. Credit also B. Kennedy forassistance with FPR. | ||
Sony | SPP50 | INTERMITTENT BEEPING SOUND | Intermittent beeping sound and Batt/Stdby lamp is flashing. | ||
Sony | SPP50 | NO DISCONNECT - WALLMOUNT | When phone is hung-up (wallmount position), there is no chargeand no disconnect. | ||
Sony | SPP50 | NO COMMUNICATION BETWEEN BASE AND HANDSET. | No communication between base and handset. | ||
Sony | SPP50 | NO POWER - BASE | No power in base. | ||
Sony | SPP50 | BATTERY NOT LASTING - DISCHARGING | Battery not lasting in standby for full 20 hours. Some onlylast 12-16 hours. Others last even less. | ||
Sony | SPP50 | NO DIAL TONE - Q10 | No dial tone and buzzing sound. | ||
Sony | SPP50 | PAUSE FUNCTION WORKS ONLY IN PULSE MODE | The pause function works only in pulse mode and not in thetone mode. | ||
Sony | SPP50 | WHAT IS THE DISCONNECT TIME WHEN USING THE FLASH BUTTON | How long is the line disconnected for when using the flashbutton? -HQ COMMENTS: The line relay is opened for 500msec. | ||
Sony | SPP50 | TEST CONNECTOR FOR ALIGNING RF SECTION | How do you align RF section? | ||
Sony | SPP50 | IMPEDANCE OF SONY TELEPHONE PRODUCTS | What is the impedance of our phone products? -HQ COMMENTS: All Sony phones fall in the range of 50 to 300 Ohms whenthe phone is off-hook and when DC-loop current is in the range of 15 -120 ma. | ||
Sony | SPP50 | BATTERY CELLS SEPARATE | During charge, the battery cell casings separate, emittingsmoke and blowing the battery cover off. SSC reports three batteriesreplaced due to this. -HQ COMMENTS: I have gotten a couple of batteries from SSCs that were inthis condition. I suspect that |