Dicas Reparação




Modelo - Chassis CPD1302


Pesquisa: CPD1302 Enviar Dica Resolvida
Resultados 22
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SonyCPD1302
PICTURE IS UNSTABLE WHEN CHANGING FROM TEXT TO GRAPHICS MODE
SonyCPD1302
RECOMMENDED SCREEN CLEANER
SonyCPD1302
RECOMMENDED SCREEN CLEANER/USE (3-731-449-01) DRY SOFT CLOTH
SonyCPD1302
SHUTS DOWN IMMEDIATELY WHEN RGB CABLE IS CONNECTED TO PC The unit would shut down immediately after the cable wasconnected to the computer.
SonyCPD1302
ON WHITE BACKGROUND LETTERS HAVE BLACK TAILS (STREAKS) On a white background letters have black tails (streaks).
SonyCPD1302
NO PINCUSHION CORRECTION No pincushion correction.
SonyCPD1302
AFTER WARM-UP, HIGH PITCH TONE After a warm-up period of 15 to 30 minutes, internal noisewould be generated (1kHz range). Using an isolated tool, and touchingT-653 the noise would stop and then return.
SonyCPD1302
VERTICAL SYNC PROBLEM Unit came from independent service shop, they replaced IC-301on BA Brd and IC-206 on BD Brd. The vertical sync problem was notsolved (since they could not identify problem, unit was sent to us).Checked vertical sync at pin 9 on IC-206, ok. Checked pin
SonyCPD1302
CURVATURE OF CRT What is the radius of curvature for the CRT? -HQ COMMENTS: Side to side R = 660mm. Top to Bottom = flat (infinity).Diagonally R = 1015mm.
SonyCPD1302
SCREEN OSCILLATES AC Power lead from the ON/OFF power switch was dressed acrossthe CRT neck at gun. This introduced 60 cycle hum in picture.
SonyCPD1302
BAD PURITY Two problems noted - thermistor shorts - blows fuse.Thermistor overheats - melts solder where mounted to board causing openconnection.
SonyCPD1302
SHUTDOWN Set would shutdown immediately at turn on. Pin 6 of IC-301measures approximately 12 volts.
SonyCPD1302
PICTURE BLANKS IN DIGITAL MODE Monitor works fine when the ANALOG/DIGITAL switch located onthe rear panel of the unit is set to ANALOG. But, when the switch is setto DIGITAL the screen will blank.
SonyCPD1302
VERTICAL BOUNCING Picture is unstable in all modes of operation. Also, the80 volt line measures high.
SonyCPD1302
HI V SHUT DOWN WHEN COMPUTER TURNED ON. Unit would shut down whenever computer connected to it wasturned on. Worked O.K. after powering monitor down and up again.


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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