Dicas Reparação
Modelo - Chassis XR77
Pesquisa: XR77 Enviar Dica Resolvida
Resultados 40
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDXR77 | NO AUDIO | Found connector CN-101 disconnected due to excessive pullingon external audio output cables (CNJ401). | ||
| Sony | CDXR77 | CD ONLY PLAYS WHEN UNIT IS TURNED UPSIDE DOWN | CD only plays when unit is turned upside down. | ||
| Sony | CDXR77 | MALFUNCTION OF POWER ANTENNA | Car stereo service bulletin number, CAR0149 does not work.The emitter of Q-406 when installed will be connected to the emitter ofQ-419. This will destroy Q-406 when power is turned on. | ||
| Sony | CDXR77 | DISPLAY PCB DISLODGED | Display PCB becomes unseated from plastic clips that holdlower edge causing no operation of several buttons on front panel. | ||
| Sony | CDXR77 | NO DISPLAY - NO AUDIO | The unit comes in described as dead, or no display and noaudio. No B+ from collector of Q-409. Sometimes 1.5V is present. | ||
| Sony | CDXR77 | FLASHING SEGMENTS IN DISPLAY | Display would flash segments erratically - especially whenunit is first powered up. After powered up, display would flashintermittently with wrong segments every second or so. | ||
| Sony | CDXR77 | REPLACEMENT OPTICAL BLOCKS | Replacement blocks coming through with pin 3 and 4 solderedtogether on 12 pin flex connector. This is just a little drop of solderwhich can easily be overlooked and cause the block not to work wheninstalled. This also is true on other models. | ||
| Sony | CDXR77 | SERVICE BULLETIN ERATTA CSA-14 #157 | Car stereo CSA-14 #157 contains two errors. Line 2 of thesolution states (Pin 4 of IC309), this should read (Pin 4 of IC390). Thecircuit diagram shows the added cap with the positive lead connected toground. This is backwards. With the cap installed | ||
| Sony | CDXR77 | CLOCK AND DATE GOES BLANK INTERMITTENTLY | Clock and date display goes out intermittenly. The two dotsfor indicating time and one for date stay on and can be changed withdisplay button. Back light condition stays as set. All radio and CDfunctions work properly. | ||
| Sony | CDXR77 | MISSING PART NUMBER - FEED GUIDE FOR OPTICS | The part number for the feed guide shown on page 45 of theCDX-R79 manual above the optical block reference 926 is missing. Do youhave a part number? -HQ COMMENTS: The part number is 2-640-654-03. Please add this numberto your service manual. | ||
| Sony | CDXR77 | LOOSE MD MOUNTING SCREW | Screw comes loose. Sometimes it drops out of the hole andcan cause shorting on main board (same problem on CDX-R79). Suggestchecking screws when servicing, and apply Neji lock to secure screws. -HQ COMMENTS: We have also seen where the screw comes out | ||
| Sony | CDXR77 | PART NUMBER MISSING | Original service manual shows C-701 as (1-163-059-00).01uF 50V chip capacitor on page 47. The schematic shows that it is a.22F 5.5V capacitor. Investigation revealed that the part number forC-701 should be 1-125-486-11. | ||
| Sony | CDXR77 | MAIN BOARD LAYOUT FOR IC-103 IS SHOWN TURNED 90 DEGREES | The board layout for IC-103 on the main board is shown turned90 degrees. It is very easy looking at the board layout to replace thewrong IC. -HQ COMMENTS: The silk screening on the board for IC-301 is off by 90degrees. Tokyo will correct production fo | ||
| Sony | CDXR77 | NO DISPLAY ILLUMINATION | There is no clock display on some units when ACC is switchedon and unit is off. | ||
| Sony | CDXR77 | UNIT SCRATCHES DISCS | The lower roller becomes coated with dust and debris whichscratches discs during loading and eject function. |