Dicas Reparação
Modelo - Chassis XR7150
Pesquisa: XR7150 Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | XR7150 | CHASSIS RECEIVED FROM NPC DIFFERENT FROM ORIGINAL | New chassis received from NPC is not compatible withcustomer's unit because the bushing that the power arm (ref. 206) normallymounts to is larger than the hole in the power arm. The original partnumber for the chassis is being replaced by NPC with part | ||
| Sony | XR7150 | HAS NO MEMORY AFTER REMOVED FROM POWER SOURCE | When unit is removed from power source and then reinstalled,it had no memory. Found an open Q-311 was causing problem. | ||
| Sony | XR7150 | ENTIRE DISPLAY ON | Entire display on. IC-301 clock pin No. 1 always high. | ||
| Sony | XR7150 | LINE OUTPUT LEVEL SPECIFICATIONS | One of our non-servicing dealer/installers inquired about theline output levels for our car steroes. He feels it is lower than thestandard 500-mV, but no spec is given in owners manual or service manual.Also no information for input levels for our equal | ||
| Sony | XR7150 | NO BUZZER ON XR-7150/7151/7152 | This problem was brought to my attention by a technician fromCosta Mesa SSC, R. Elliott. Regarding this model as a repeat repair formuting of the beep sound. Unit was checked and physically the unit doesnot have a buzzer nor does it appear on the schem | ||
| Sony | XR7150 | OPEN TRACE (PATTERN) +B LINE ON AMP BOARD | Have seen open pattern on +B line on amp board at lower lefthand side by IC-501. -HQ COMMENTS: This pattern may actually have opened during service. Theoutput ICs fail and unit is brought in for service. If the techniciandoes not ground amp board with | ||
| Sony | XR7150 | NOISY MECHANICAL SECTION | If the mechanical section is noisy, check that, looking fromthe top, the rvs gear assembly (page 43, ref. No. 215) is behind the leafspring (part of mechanical chassis assembly No. 224). If it gets in frontof the leaf spring, all the functions will work | ||
| Sony | XR7150 | DISPLAY DEAD - NO FUNCTIONS | No functions, dead display. IC-301 had already been replacedonce. Replaced it again - same. Found that the ACC sensing line, pin 11was at 1.6, instead of 3.9V. Traced problem to some sort of conductivematerial loading line at intersection of R-372, R | ||
| Sony | XR7150 | MAY NOT TURN ON OR SELECT VARIOUS FUNCTIONS SUCH AS AM OR FM | May not turn on or select various functions such as AM or FMetc. Also applies to serial number 30058. The two units listed are onlyrepresentative of a number of similar failures. | ||
| Sony | XR7150 | ERRATIC FUNCTION OF TAPE MECHANISM | Unit will not load intermit., sometimes will not mute while inFF/AMS/REW, or when reversing tape will jam-reels turn but head & pinchroller do not move back into PLAY. Unit will jam and display E-99 error(mech.jam indication). Touch/move head PCB-loadi | ||
| Sony | XR7150 | E99 ON DISPLAY | When customer turns off power while tape is playing, unitfails to play tape when power is turned on again. Display indicates E99tape must be ejected and reinserted to continue playing. -HQ COMMENTS: If the customer complains of this problem, replace IC | ||
| Sony | XR7150 | SQUEALING NOISE WHEN TAPE CHANGES DIRECTION | Technician at San Jose SSC advised me of this problem. Whentape direction changes, unit makes a squealing sound. He has not locatedthe problem, but has eliminated it by connecting a 10mFD electrolyticcapacitor from pin 4, CNP-909, to ground. This is t |