Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TAM30 | UNIT WILL NOT SET UP TO TAKE MESSAGES - GET ERROR BEEPS | Unit will not set up to take messages when Answer button ispressed. Sometimes you can record the OGM, but when the unit tries torewind the tape, you get the error beeps. | ||
| Sony | CDXR77 | CD ONLY PLAYS WHEN UNIT IS TURNED UPSIDE DOWN | CD only plays when unit is turned upside down. | ||
| Sony | STRAV1020 | SILKSCREEN FOR IC-251 PRINTED ON BOARD WRONG | Silkscreen printed on video board for IC-251 on video board isbackwards (ie. 180 degrees). Pin 1 on IC actually corresponds to pin 9on the board. | ||
| Sony | PSLX520 | INTERMITTENT SPEED | After refering to SDIS, and noting a similar problem with thiscircuit I checked R-107 and R-106. R-106 was a 390K resistor R-107 was a1.6K resistor. | ||
| Sony | SLV757 | DOES NOT RESPOND TO CONTROLS | Won't eject, power down. | ||
| Sony | STRAV1020 | PROTECTION CIRCUIT ACTIVATED | Protection flashes on front display. Q-719 (relay drive)shuts off de-energizing RY-701. Thus opening the signal path to speakers. | ||
| Sony | CFDD73 | INTERMITTENT SKIPPING / TRACK JUMPING | Unit would intermittently skip and sometimes would not AMS.Upon monitoring sled motor drive voltage, found it to be increasing.Normally, it is about 0.7V. | ||
| Sony | CFD455 | INTERMITTENT SKIPPING / TRACK JUMPING | Unit would intermittently skip and sometimes would not AMS.Upon monitoring sled motor drive voltage, found it to be increasing.Normally, it is about 0.7V. | ||
| Sony | CFD454 | INTERMITTENT SKIPPING / TRACK JUMPING | Unit would intermittently skip and sometimes would not AMS.Upon monitoring sled motor drive voltage, found it to be increasing.Normally, it is about 0.7V. | ||
| Sony | XR6180 | TAPE DECK WILL NOT FUNCTION OR WILL FUNCTION INCORRECTLY | Have seen several units so far where both Q-405 and the AMSplunger were defective. The plunger was actually melted. I am unsurewhether the plunger or the drive transistor originally caused theproblem. | ||
| Sony | SLHFT7 | POPPING IN BETA HIFI | Popping sound in beta hifi. | ||
| Sony | SLHF1000 | NO BETA HI-FI RECORD | No Beta Hi-Fi Record. Playback or pre-recorded material ok.All voltages ok on IC-004. Missing switching voltages at pin 44 IC-003.Found open foil between Q-610 and D-606. Simulated shorted transistor. | ||
| Sony | KPR46DX10 | SNOWY PICTURE ON MAIN SCREEN WHEN IN AUX, CUSTOMERS FAULT | Customer was complaining that when they hit Aux they only hadpicture on the child screen, with snow on the parent screen. -HQ COMMENTS: Found that they were using a VCR, and cable box in linewith the Converter and Aux. terminals. With the VCR connecte | ||
| Sony | DTC75ES | TEST TAPE TY7252 | Recommended test equipment list for DAT specifies a TY7251test tape for tracking. DTC-75ES manual calls for a TY7252. Are theyinterchangeable? -HQ COMMENTS: I will have to check with Tokyo. I suspect that there isa typo in the DTC-75ES service manual | ||
| Sony | SPP320 | INTERMITTENT RINGING | The Handset would only ring sometimes. In addition, theHandset would intermittently not beep when keys were pressed. Flexing theHandset Main PCB would cause the ringer to function. |