Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | EVS900U | SET SWITCH AUDIO MONITOR TO PCM MODE - VIDEO WAS MUTED | Customer complained that when setting front switch labeledAudio Monitor to PCM mode, the video information was muted, audio wasok. We found rear panel selector switch had to be set to Auto positionin order not to mute the video in playback mode. This c | ||
Sony | KPR46DX10 | MICRO LOCKED UP, NO FUNCTIONS, REPLACED D-012 | Set was on, had high voltage and raster but no sound or videoand no functions would respond. There was no vertical pulse at pin 4,IC-001. I found D-012 shorted. | ||
Sony | XR7180 | PH-11 AND PH-12 ARE BOTH IMCOMPATIBLE WITH REPLACEMENT PARTS | The beveled corner on PH-11 and 12 is at pin 1 instead of thenormal pin 2. The real PCB layout is also different than in the servicemanual. I could not find replacements for PH-11 and 12. I have a sampleif you need it. | ||
Sony | CCDF30 | DEAD UNIT | F-991 blown. Found short across IC-005 SS-86 pins 2 and 3.Further checks revealed that C-059 was shorted. This is the third CCD-F30I have seen with this problem. | ||
Sony | STRAV1020 | UNIT IN PROTECT MODE | Unit was in Protect Mode. IC-731 was found shorted and wasreplaced. This did not restore operation. The protect circuittransistors, Q-721, Q-722 and Q-723 were also all shorted. | ||
Sony | KV27XBR15 | NO VIDEO,SOUND AND CHARACTER DISPLAY OK, FLUX IC-1103 | Demonstration mode indicates PIP ok, except no parent or childvideo. IC-301 on A board has inputs but no RGB outputs except dis-play pulses. DC voltages on C board ok. IC-301/25 IK waveform normal.IC-301/15 (YS input) measured 2.5 Vdc not 0 Vdc, YS sh | ||
Sony | STRD2010 | NO DISPLAY OR SOUND | Unit has no display and will not respond to power switch. | ||
Sony | KV2782AEB | PART NUMBER FOR FLYBACK NEEDED | Part number listed on part is not the same part supplied byKansas City Parts. Part number 1-439-289-31 Kansas City changes partnumber to 1-439-289-00. This replacement part did not fit in this model.Pins on the FBT will not line up with the holes on th | ||
Sony | WMAF604 | INTERMITTANT LOSS OF POWER/FUNCTIONS AFTER M-901 REPLACEMENT | Replaced capstan motor, did not notice that the spacer listedabove was attached to the old motor. It is very small and clear and stuckto the motor. Therefore, when installing the new motor did not notice,having the motor installed and testing the unit | ||
Sony | ITA750 | UNIT SWITCHES FROM ANSWER TO ANNOUNCEMENT MODE | After answering one or two calls, unit switches from answer toannouncement mode. Changed reset IC and upc. -HQ COMMENTS: Please check the following:1)Try a new ICM tape.2)Check for intermittence from the ICM Reel Rotation Det. IC-704 intoIC-207/pin 9. | ||
Sony | TAAX285 | INTERMITTENT AUDIO/FUNCTION SWITCHING | Unit would intermittently switch function input by itself.Also audio would intermittently drop either or both channels. | ||
Sony | CDPC75ES | LOADING ASSEMBLY | Drawer fails to open. Loading does not occur. Second unitwith this problem. | ||
Sony | SPPS10 | HANDSET MUST BE RESET | Every so often the handset will lock up - no functions canbe executed. The battery must be unplugged removing all power and thenreinstalled. We have had several reports so far this winter of thisproblem. The problem seems to be caused by static electr | ||
Sony | TCK666ES | PULSING WHITE NOISE IN PLAYBACK | Playback of blank tape has pulsing white noise on top of tapehiss. Using Dolby C, eliminated noise also stopping take-up reeleliminated noise. Traced to pulsing noise riding on DC lines pin 9, 10and 8 of IC-004. Pin 9 B+ with noise allowed noise to ge | ||
Sony | TAU10 | RECORD BUTTON STICKS | The RECORD button will lose alignment with the record switchand it becomes stuck in the down position. There does not seem to be any-thing substantial holding the button in alignment. |