Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | SPPA40 | PLUNGER NOT KICKING - CHANGE Q-26 IN BASE, P/N 8-729-201-53. | After outputting the OGM, the unit beeped. The motor spun,but the plunger did not kick. When going to the plunger, the 6v was notthere so I went to Q26 and found the base was going lower then theemitter (PNP), but the collector was not going high. I f | ||
Sony | SPPA40 | NO AUDIO FROM BASE TO SPEAKER OF THE HANDSET - PIN 20/ IC-3 | When powered up, there was no audio in the handset but therewas audio going to the phone line. When putting the handset in test mode,there was static indicating the handset was good. Tracing the audio inthe base from the phone line to IC7 - IC6 then to | ||
Sony | SPPA40 | HANDSET TRANSMIT FREQUENCY IS LOW - REPLACE X501 (157976811) | X501 is defective, preventing IC501 (PLL) from operatingproperly. X501 is producing a low amplitude which is not sufficient tocorrectly run IC501 (PLL). This also prevents the TX frequency from beingadjusted to the correct frequency. | ||
Sony | SPPA40 | NO OPERATION - MISSING GROUND FROM CRACKED H/S PCB | In normal working condition, after plugging in the handsetbattery and pressing TALK, the handset TALK LED flashes as the handsetwould not lock up because it was never set on the base to start the IDcode handshake. In this particular unit, this would happ | ||
Sony | SPPA40 | ANSWERING MACHINE WOULD RECORD ICM FOR ONLY TEN SECONDS. | The unit came in recording an incoming message for only tenseconds. IC3/Pin 27 (VOX input) should have pulses during ICM from thePB/REC AMP IC15/pin 25. I noticed there were no pulses in the bad unit.Following it back to IC15/pin 12 (audio input), I fo | ||
Sony | SPPA40 | POOR RECEPTION - RESOLDER L-503 AND L-504 IN HANDSET | Poor reception in handset. Second unit I've seen with this. | ||
Sony | SPPA40 | PART NUMBER AVAILABILITY FOR BATTERY SPONGE | In the service manual there is no part number supplied for thebattery sponge that is attached to the handset rear cover. | ||
Sony | SPPA40 | NO RING/NO TALK | Unit had no ring/no talk but was intermittent. Base wouldtransmit at 44Mhz and then to the correct 46Mhz. Found X-1 to be coldsoldered. |