Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
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Sony | SPPA40 | MICROPHONE INCORRECT FOR HANDSET (NO PART # FOR BOARD) | MK651 microphone is too large for handset. Also, small board where mike is located has no part #. | ||
Sony | SPPA40 | HANDSET TRANSMITS/RECEIVES INTERMITTENTLY OR NOT AT ALL | Handset of models SPPA20, 40, 60 develop intermittenttransmit or receive problems. Tapping or soldering around transformersreveals problem by restoring operation. For transmit problems culpritappears to be L512, 3 occurrances last week. | ||
Sony | SPPA40 | MEMO RECORDING ONLY LASTS ONE MINUTE | Customer complains that the MEMO recording only lasts oneminute, while the instruction manual states that the MEMO recording shouldlast to the end of the tape. -HQ COMMENTS: This is due to a software change in the micro. The microwas changed to resolve | ||
Sony | SPPA40 | MEMORY BUTTON STICKS | The memory record button sticks in the activated position withsubsequent lock up of the unit. As an alternate and more effective fix tothe sponge, mentioned in service bulletin TEL0111, I have found trimmingthe shoulder of the button itself prevents it f | ||
Sony | SPPA40 | NO H/S SPEAKER - REPLACE IC502, P/N 8-759-056-30 | No audio output in H/S speaker. IC 502/pin 9 output of AFamp. Fluctuation in RX discrinimator using L506 adjust voltage to 1.2v+-.4v. | ||
Sony | SPPA40 | PINCH ROLLER JAMMED IN ENGAGED MODE. NO ATM FUNCTIONS. | Mechanical deck assy intermittently jams. It locks up withpinch roller engaged. Once engaged, it will not release pinch roller. Unitcomes in with pinch roller engaged. The first time we apply power, thetape assemblies release the pinch roller and the mec | ||
Sony | SPPA40 | WRONG CUT OFF POINT OF SPP-A40 SERIAL #'S FOR REPLACING IC3 | Telephone Products Service Bulletin No. 88R1 indicates thatunits with serial numbers 118059 and lower have the old version micro,which needs to be replaced in the base. I had a unit with serialnumber 124030 which had the old micro in it (1472), not 1472A | ||
Sony | SPPA40 | NEW MICROPROCESSORS NOT WORKING | New microprocessors do not work. Reinstall old micro and unitworks OK. See FPR O2740 already on this subject. About 5-6 months ago wehad a batch of IC's that were programmed wrong. The next batch we receivedworked OK. Today I have tried two IC's that | ||
Sony | SPPA40 | DEFECTIVE MESSAGE DISPLAY - RESOLDER OR REPLACE IC301. | Defective message display. The #18 was appearing on messagedisplay. Noticed several pins cold soldered on IC301. Reflowed IC301 andunit fine. | ||
Sony | SPPA40 | NO POWER HANDSET - REPLACE X502, P/N 1-579-446-11. | No power in handset. X502 was not transmitting at 3.58 MHz,nor was it getting 1.3v on pin 40 or 1.6 volts on pin 41 of IC505. | ||
Sony | SPPA40 | WEAK DIAL TONE - REPLACE L506, P/N 1-404-781-11 | Unit came in with weak dial tone. When trying to lock thehandset up with the base you would get the out of range beep. I found theinput signal at IC502/Pin 16 was there, but there was no audio out ofIC502/Pin 9. Measuring all pins 1st, all of the voltag | ||
Sony | SPPA40 | WHEN PRESSING ANSWER BUTTON, UNIT ONLY GOES INTO PLAY MODE | When pressing answer button unit would only go into play. | ||
Sony | SPPA40 | NEW MICRO NOT WORKING | This unit's serial number was under 118059. I then put thenew micro in the base and the unit did not work. I tried two other microsand the problem still persisted. Put old IC back in and unit worked. | ||
Sony | SPPA40 | NO BATTERY BACKUP | The battery spring (A), ref 19 was missing from the unit.This is the second time in a week I have seen this problem. QC? -HQ COMMENTS: It could be a QC or manufacturing error. Please gatherserial numbers of subsequent units with this problem and then w | ||
Sony | SPPA40 | DISTORTED AUDIO IN HANDSET | Distorted audio in handset, especially noticeable when theperson is talking into handset. |