Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | D303 | UNIT WON'T WORK ON AA CELLS WHOSE VOLTAGE IS LESS THAN 2.7V | Unit won't work on AA cells when batteries fall lower than2.7v. Disc will start spinning backwards, reads no disc. Q421 defective. | ||
Sony | D303 | THE UNIT WILL TURN ON BUT NO FUNCTION - IC504 DEFECTIVE | The unit is powered on but no function at all. The displaylight blinks. The voltage at pin 4 and pin 30 IC504 should be 4.5VDC.However, it varies from 1.5VDC to 4.5VDC at pin 4 and pin 30/IC504. | ||
Sony | D303 | NO MECHANICAL MOTION OF SLED MOTOR - TIGHTEN M-902 | The unit turns on but there is no mechanical motion becausethe wire connected to the feed motor assembly M902 is cut off. The feedmotor is not mounted securely. The screw to mount the chassis wasloosened either by shock or the vibrations of the motor r | ||
Sony | D303 | MAIN MCB LAYOUT DOES NOT MATCH SCHEMATIC OR MOUNTING DIAGRAM | The main board in this unit is different from the one shown inthe service manual. The schematic and mounting diagram show the D/Aconverter as IC-301, type CXD8178Q. The board in this unit does not havethis IC. Instead, it has two ICs in the area that | ||
Sony | D303 | HOW TO CONNECT LCD FLEX CABLE TO KEYSWITCH FLEX BOARD | How can we connect the flex cable of the LCD to the keyswitchflex board? They appear to be bonded together by a means other thansoldering. We have a customer's unit which cannot be repaired because wedo not have any information on this type of connecti | ||
Sony | D303 | SLED RUNS TO OUTER LIMITS AND STAYS THERE | When Play actuated, sled ran quickly out to edge of disk andstayed there. Motor would not shut off. Noticed that IC-502 - 14 was at2.4V (SLO) while IC502-13 (SL(+)) and IC502-15 (SL(-)) were at 1.7V asshown in manual. Found R-522 feedback resistor rea |