Dicas Reparação




Modelo - Chassis KP5040


Pesquisa: KP5040 Enviar Dica Resolvida
Resultados 35
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(Chassis)
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SonyKP5040
INOPERATIVE SET - NO RELAY CLICK, REPLACED Q-654 (GA BOARD) Inoperative set with no relay click. Found no +12V DC at plugGA-13 pin No. 3. Found Q-654 open emitter to base.
SonyKP5040
CLEANER FOR SCREEN What is the part number for the cleaner that can be used onthe screen? -HQ COMMENTS: Part number for the cleaner/Protectant is T-999-112-41.This cleaner must be used with caution. Use only on the stand alonescreens such as with the KP5040, do not use it
SonyKP5040
MISOPERATION OF THE DRIVING ARM ASSEMBLY, IC6501 Arm assembly would not move smoothly and stops in transit.
SonyKP5040
POOR REGISTRATION, REPLACED IC5513 When first turned on after being turned off for a number ofhours, it was very poor convergence (the whole screen). The green wasaway from the red and blue.
SonyKP5040
CABLE INTERFERENCE, SOLDERED TUNER, PRESCALER AND ANT SW Fine diagonal lines on Ch. 4 spaced about one inch apart.
SonyKP5040
VERTICAL NOISE BAR, CONNECTION CHANGE ON R3383 AND R3384 Unit had dark vertical line in the center of the screen, onlow channels. Disconnected resistors R3383 and R3384 where they jointogether and connected them to Pin 2 of BA-9 connector.
SonyKP5040
INTERMITTENT NO VERTICAL DEFLECTION, REPLACED Q951 Intermittently the green picture would fold over at the topand sometimes loose all vertical deflection. When this happened, theset would blank all three CRTs. Cooling the vertical drive transistorQ5529 would restore proper operation. This was very mis
SonyKP5040
INCORRECT MECHANICAL OPERATION, ADJUSTED GEAR ASS'YG New arm assembly was installed. Door would not close all theway on right side. Found large gear off one tooth on gear strap inassembly.
SonyKP5040
INCORRECT MECHANICAL OPERATION, REPLACED ARM ASS'Y Mirror would not extend to complete open position.
SonyKP5040
BUZZ IN SOUND, ADJ HELICAL FILTER AND REPLACED AFT WITH R Buzz on some cable channels. This complaint was pending sinceDec. Two trips were made to the customer's home. On the first trip Iadjusted the helical filter which removed most of the buzz.
SonyKP5040
HORIZ. LINES IN THE PICTURE, GROUND LOOP CHANGED There was a drive line in the picture which was also radiatingto nearby sets. We found this interference to be caused by the horiz. barosc. in the crosshatch generator (BA board). We could find no defectivecomponents and assumed the problem to be a gro
SonyKP5040
NOISE BAR IN THE CENTER OF OTHE SCREEN, CONNECTION CHANGE A vertical bar appeared in the center of the picture whenviewing a normal program. Investigation of the circuit revealed that theLOT transformer pulse seen at Pin 1, of T504 on the E board wasdisplaced from its normal in phase relationship to the flybac
SonyKP5040
MECHANICAL INCORRECT OPERATION, REPLACED IC6501 Drive voltage to the mirror door motor would not be removedonce the door had reached its end of travel. Instead, the drive motorwould continue to ratchet.
SonyKP5040
MECHANICAL MISOPERATION, GREASED SMALL GEAR SHAFT BEARINGS The door would open only halfway and the motor would shutoff. The door would not close more than 2 inches before shutting off.There was no grease on the small gear shaft bearing.
SonyKP5040
INTERMITTENT MECHANICAL OPERATION, POOR GROUND CONNECTION Intermittent door opening. S953 on the motor: one side ofswitch was not tight due to no threads.


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