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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | HCDC50U | NO POWER IF UNIT GOES ON, IT HAS A LOUD HUM - NO CHASSIS GND | Unit has hum even though volume level is turned down. Chassisground is lost at pin 3 of connector CN701. I found main board at thecorner right side broken. | ||
| Sony | HCD441 | SPINDLE MOTOR | Is this a misprint in part # or is there a new spindle motorthat KC does not have. X49175233 is the normal spindle motor in currentmodels. -HQ COMMENTS: 4/28/94 As per KCP, P/N X49175234 currently subs toX49175233 in WRPC. It will also be changed to su | ||
| Sony | DTC75ES | FF AND RW ARE VERY SLOW - REPLACE CAPSTAN MOTOR | When putting unit into FWD or RWD, it wouldn't go fast, Itwould be very sluggish. | ||
| Sony | DTC700 | FF AND RW ARE VERY SLOW - REPLACE CAPSTAN MOTOR | When putting unit into FWD or RWD, it wouldn't go fast, Itwould be very sluggish. | ||
| Sony | DTC700 | WON'T FWD OR RWD TO END, TOP OF TAPE - REPLACED TAPE GUIDES | When trying to FWD or RWD tape would slow down and stop beforeit got to the end/Top of tape. | ||
| Sony | DTC300ES | LOW LEVEL HUM AT OUTPUTS - RESOLDERED C302 TO PCB | Low level hum at line out jacks. Found broken solder joint atC302 in 22.5v power supply regulator circuit. Possible shipping damage. | ||
| Sony | CDPS27 | INCORRECT SPINDLE MOTOR - SEE S/B HFP-083 | This unit has the type of base unit as shown on page 18 ofservice manual. Servicer replaced ref #184. The turntable attached tothe spindle motor is different. The hole in the top of the turntable thatreceives the bearing in the chuck plate assy (#105) | ||
| Sony | CDPH1750 | UNIT LOCKS UP - REPLACED M103 | Unit would act normal until it tried to raise the BU assy. Atthat point, it would back-up. After comparing with another unit, Idecided to change the M103 and this corrected the problem. (The bad motordidn't appear to have gone bad). | ||
| Sony | CDPCX100 | INTERMITTENT NOISE - LUBRICATED DISK TABLE SHAFT | Reference HiFi flash #52 the noise seems to be generatedby the disk table assy. | ||
| Sony | CDPCX100 | IMPROPER FACTORY INSTALL OF AC INPUT CONNECTOR - RESOLDERED | Unit initially worked. After shipping for classes, unit wasdead. Found no output fron transformer. Traced to bad connection of acinput connector on transformer board. When installed at the factory, onepin of the connector was pushed in and therfore no | ||
| Sony | CDPC910 | DISPLAY BLINKING ON AND OFF - Q401 SHORTED | Would not read disc initially then lock-up and started pulsingon and off. | ||
| Sony | CDPC910 | DISCS STARTED JAMMIMG AFTER NEW DISCS ARE USED IN MAGAZINE | Dillards Dept. Stores has 125 of this model playing in storebackground music over 15 hrs a day. All 125 stores changed their disksets to Christmas music. After that they all started having intermittentplayer shut down. | ||
| Sony | CDPC900 | CNP101 AND CNP102 HARNESSES | FPR#O2538 identified the part# (missing from service manual)as #1-946-072-26. Servicer reports part supplied under this part # is tooshort - about 3 long. Should be about 7 long. -HQ COMMENTS: Use P/N 1-690-235-11 for CN101 (approx. 8). Use P/N1-690-2 | ||
| Sony | CDPC725 | DISPLAY WEAK AND PULSING ON/OFF - REPLACED LEAKY C202 | Customer complained that when turned on, the unit had nodisplay or it would weakly pulse on/off. After awhile it would come onand work OK. Svcr found M+5 buss running at 4.9v and was suspicious.When he checked + and - 10v busses with scope, found .7v r | ||
| Sony | CDPC35 | PART NUMBER FOR BRACKET (PRESS PULLEY) SAME AS CDP211 | In the service manual there is no reference number and no partnumber for the press pulley bracket. |