Dicas Reparação SONY




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(Chassis)
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SonySPP75
DOES NOT DIAL OUT BUT WILL GET DIAL TONE Unit would get dial tone and answer calls but would not dialout. Checked dialer IC-351 and had no output. Checked ceramic vibratorfor dialer X-351 and had no oscillation (during dialing). Note:oscillator only oscillates when a dial number button is p
SonyRM793
BATTERY LID P/N, 9-904-838-01 Battery lid part number missing from service manual. -HQ COMMENTS: The part number is 9-904-838-01. Tokyo will issuea Service Manual supplement.
SonyRM792
BATTERY LID P/N, 9-904-910-01 Battery lid part number missing from service manual. -HQ COMMENTS: The part number is 9-904-910-01. Tokyo will issuea Service Manual supplement.
SonyKV8AD14
BATTERY LID P/N,9-904-838-01 The remote (RM-793) battery lid part number is missing fromthe service manual.-HQ COMMENTS: The part number is 9-904-838-01. Tokyo will issue a ServiceManual supplement.
SonyKV8AD11
BATTERY LID P/N, 9-904-910-01 The remote (RM-792) battery lid part number is missing fromthe service manual.-HQ COMMENTS: The part number is 9-904-910-01. Tokyo will issue a ServiceManual Supplement.
SonyDTC670
TAPE WRINKLES DUE TO IMPROPER FWD AND BACK TENSION Technician Lai Lu reports tape wrinkling problem. Forward andback tensions appear too high. Reading FWD as 20+ and back at 15. Bothhave a lot of jumping as shown on the torque cassette. Experimentally FWDtension can be reduced to about 15 by clipping
SonyXR4257
TUNER PRESETS LOST WHEN POWER ANT IS ACTIVATED/MEMORY LOST This FPR is in reference to service bulletin No. CAR0252. Thebulletin calls for an addition of a diode, & a 10K Ohm resistor in paral-lel w/ C-411 on the main board. On each XR-4257 with the applicableserial numbers, I've noticed that there is already
SonyCMP11K
TRANSMIT DISTORTION After testing the phone by the Marconi, found unit to havetransmit distortion. Also pertains to serial numbers 15763 and 12241.
SonyKV32XBR50
BLACK HORIZONTAL LINES AT TOP AND BOTTOM OF PICTURE, L1502 Black horizontal lines of top and bottom of picture. I'vereported this trouble on other models.
SonyKPR53XBR15
INTERMITTENT PICTURE BLANKING, S/B TVP145 Sometimes when unit is powered on the picture is displaced toupper right screen. This leaves a blanked area, like in PIP indexing.Condition remains indefinitely even turing power On/Off. I was unable toduplicate the problem. But I checked for intermit
SonyXRU220
PART NUMBER FOR LCD HOLDER NOT IN THE SYSTEM (REF. 64) Part number for the LCD holder (ref. 64) is not valid in thesystem.
SonyCFD454
PART NUMBER NOT IN SYSTEM Part not in the Kansas City Parts system.
SonyWMFX70
OVERSEAS MODEL - NEED PART NUMBER FOR THE REMOTE Overseas model and the part number for the remote is not list-ed in the service manual.
SonyCCDTR81
UNIT SHUTS DOWN WITH BATTERY - EVEN AT NEAR FULL CHARGE Unit will run off of AC adapter but will shut down withbattery (even at near full charge). When in CAM Record, unit wouldindicate Record pause but CAM section would shut down after approximatelytwo seconds.
SonyKV32XBR55
CHANNEL INDEX SELECTS WRONG STATION, PIP CIRCUIT When using the channel index feature, i.e. 7 or 16 insetpictures, putting the cursor on a channel would sometimes cause theprevious memory channel to be recalled. Also, selecting CH. 2 would causeCH. 1 to be selected even though it was not a memory pres


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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