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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDPC245 | HUMMING NOISE FROM MACHINE - ADD WEIGHT(S) TO BU ASSY | As per SBHFP0381, stated to add weight and screw to optic toeliminate noise. Works for some but not all. Noise originated fromspindle motor assy X49175233. Hot glued to 2 weights 496297901 toleft hand rear side of BU assy I cannot determine if this is | ||
| Sony | BM146 | R.F.I. CAUSES RECORD INHIBIT CKT TO ACTIVATE, INSTALL SHIELD | R.F.I. was being picked up by the Record Inhibit head causingthe machine to drop out of RECORD mode. The source of interference couldnot be removed. | ||
| Sony | XRU500 | NO AM OR FM (REPLACED IC601, IC502, AND D602) | No 8V to tuner (IC601 bad and IC502 bad). IC601 had novoltage out of pin 5 (replaced IC601 then voltage out of pin 5). IC502had no voltage out of pin 52 & 37 (replaced IC502 then voltage out of pins52 &37 was ok). Still no voltage to tuner, found D602 | ||
| Sony | XRC410 | GEAR STRIPS, WON'T EJECT TAPE | A gear on the reel assembly strips, the specific gear does nothave a reference # other than 128 (Bracket assy, reel). The stripped gearprevents the mechanism from releasing the tape. | ||
| Sony | XRC410 | NO POWER OR DISPLAY (R566 WAS OPEN) | Unit had no front panel display, no LED's were on. Tape wouldload, then eject. Determined that ACC check voltage at pin 46 of IC510was missing. Following voltage back to D554, dual diode, it was stillmissing at the anode. Located R566, had B+ on one | ||
| Sony | XRC210 | GEAR STRIPS, WON'T EJECT TAPE | A gear on the reel assembly strips, the specific gear does nothave a reference # other than 128 (Bracket assy, reel). The stripped gearprevents the mechanism from releasing the tape. | ||
| Sony | XR430 | NO CD FUNCTION (FOUND D552 AND IC551 DEFECTIVE) | Unit connected to CD changer no functions at all when CDbutton is pressed. Found D552 damaged, replaced with new diode, and stillno functions, then checked IC551. Found no clock output from pin 4replaced with new IC (MM1175XF). | ||
| Sony | XR340 | NO CD FUNCTION (FOUND D552 AND IC551 DEFECTIVE) | Unit connected to CD changer no functions at all when CDbutton is pressed. Found D552 damaged, replaced with new diode, and stillno functions, then checked IC551. Found no clock output from pin 4replaced with new IC (MM1175XF). | ||
| Sony | MDX400 | DISTORTED AUDIO (STATIC) WHEN PLAYIING MD'S | Unit had distorted audio when playing pre-recorded orrecordable MD's. | ||
| Sony | MDX400 | DISTORTED AUDIO IN MD MODE, AND COUNTER FREEZES | Unit had distorted audio when playing either type of MD.Distortion in left channel was different than right channel. Track beingplayed could be heard through distortion, yet Min/Sec counter would jitterand not count at all. | ||
| Sony | CDXU300 | DAMPERS LEAK | Since early '93, 6 leaking dampers have been found. All havebeen located at the right rear of the unit. | ||
| Sony | CDX71RF | CUSTOMER CLAIMS PROGRAM BANK FUNCTION DOES NOT WORK | Customer claims that the program bank function does not work. -HQ COMMENTS: This model does not include the program bank function, al-though some of the early product literature, published before the productintroduction, indicated that this model has th | ||
| Sony | CDX65 | SERVO PCB INCOMPATIBILIITY | After replacing SERVO PCB there is no elevator & no load/save. | ||
| Sony | CDX5460 | E-04 CODE WHEN CD IS LOADED (REPLACED Q521 ON MAIN BOARD) | E-04 code on CD. Found Q521 regulator at 3.9v | ||
| Sony | CDX5460 | NO CD FUNCTIONS (REPAIRED DAMAGED TRACE AND REPLACED D523) | No CD functions. Observed opened trace to base of Q520, andD523 was shorted. |