Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | ITA600 | MAIN PCB HAS WRONG MICRO INSTALLED | Boards coming from Kansas City have wrong micros installed.The correct IC number is TMP47C47N-9613. The IC in the new boards isTMP47C47N-9635. These ICs are not compatible. | ||
| Sony | TAM50 | NO OPERATION OF TAPE TRANSPORT | No operations of tape transport i.e. pinch roller would notengage gear, Reference No. 75, was not engaging due to the washers,Reference No. 72, being gone. | ||
| Sony | SPP150 | UNIT WORKS O.K. IN NORM BUT DEAD IN BATT SAVE MODE. | Unit works fine in NORM mode, however no action in BATT SAVEmode when TALK is pressed. IC201/pins 12 and 29 went correctly from highto low when the mode switch was switched from NORM to BATT SAVE,indicating a good switch. IC201 was replaced to no avail. | ||
| Sony | SLVR5UC | CANNOT SET TIMER FUNCTION | When trying to set timer, after entering all information onremote it doesn't work. When the transmit button on the remote ispressed, the VCR indicates it has not received the information (bymultiple beeps) and the timer is not set. All other remote fun | ||
| Sony | KV1981R | NO MAIN AUDIO - LOW SAP OUTPUT, REPLACE IC-810 | Unit came in with multiple problems (lightning damage) inclu-ding no audio, IC-810 was changed, still no main audio, some SAP. InputMPX (pin 1, IC-810) was present. Pin 14 showed 0V (SAP mute) pin 29 (L &R out) had output but no signal on the other sid | ||
| Sony | CDX6020 | NO PRESET MEMORY FOR RADIO STATIONS | Unit would not preset audio station memories. Stations andbuttons functioned normally but when memory 1-6 was attempted unit wouldnot hold and would revert back to prior selection. | ||
| Sony | HSTV102 | DECK B RECORDS FROM DECK A BUT NOT OTHER SOURCES | Tape deck B would only record from deck A not from othersources such as tuner or CD. Found voltage at pin 13 of IC-502 was high(+6 volts) regardless of deck A being in Stop or Play mode. Unsolderedpin 13 from the pad and still had high voltage on the p | ||
| Sony | SLV70HF | MISSING GROUND IN SWITCH BLOCK SCHEMATIC | The schematic of the switch block (page 158) does not show theground reference connection for most of the buttons. Only the odd anderase buttons are shown to have a ground. | ||
| Sony | STRD2020 | INTERMITTENT LOSS OF AUDIO | Low current failure. Loss of audio signal all modes, and allfunctions. Tapping unit may cause or correct problem. | ||
| Sony | TCK444ESII | REPLACEMENT OF R/P HEAD | When replacing R/P head, it is very difficult to align and ad-just. Particularly bias adjustment. Record output is very low. The partsupplied was a replacement part no. original 8-825-500-31. It wassupplied with no information on connections which co | ||
| Sony | TCRX420 | NO FUNCTIONS | Display flashes and function lights blink - no functions work.Replaced micro-P, FL tube, rectifer diodes-all voltages up and correct.Noticed some pulsing on power line to uP. Found open fusible resistor ontransformer board. | ||
| Sony | ITK500 | NO RADIO OR SPEAKERPHONE AUDIO | No audio from speaker. | ||
| Sony | PSLX3 | TURNTABLE PLAYS 33 OK, NOT 45 - ARM DROPS AT 12" LOCATION | Would play 33 records, but when switch to 45, arm still wouldland on 12 33 not on 7 45. | ||
| Sony | TAF444ES | WHEN VOLUME TURNED UP PAST 16, DISTORTED SOUND OCCURS | Distorted volume only when attenuator is turned past 16. | ||
| Sony | STRGX7ESII | UNIT IS DEAD | Blown fuses F-801, F-802 also shorted D-803 power supply diodecaused by TH-801 being pinched by power transformer metal housing. Seemsthat from factory this part was accidentally pinched underneath the trans-former which caused it to over dissipate and |