Dicas Reparação SONY




Modelo - Chassis


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(Chassis)
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SonyXM3040F
PART NO. FOR FRONT PANEL SWITCH/S-501/502/503/504 INCORRECT The KCP system cross references the part number for switchS-501 listed in the service manual (1-527-753-11) to a crystal oscillatorhaving a P/N 1-527-753-00.
SonyCCDTR6
INCOMPATIBILITY OF LENS BLOCK ASSEMBLY AND "VC-81" BOARD Found that connectors CN-803 and CN-302 on the VC-81 boardof a serial number 116964 camera were of the female type. The same conn-ectors of a different camera same model, serial number 26037 were of themale type. These connectors are for the CCD imager
SonyCCDF45
WHITE STREAKS ON VTR PLAYBACK White streaks on PB, appears to be an equalization problem.
SonyKV20TS27
CLOCK RUNS FAST, ADD CAPACITOR Clock would gain 10 to 12 minutes per day at customer's homeand at shop. This model uses slightly different singe-transistor circuitin AC REF line than is shown in S/B TVP0087. 60Hz pulse at IC-101/37 wasclean (no noise), 5Vpp, not 50% duty cycle (abou
SonyCCDTR4
EATS TAPES WHEN REWINDING Unit would eat tapes when rewinding. Found arm assembly gearand supply reel table assembly defective (X-3727-952-1) Reference No. 207is defective.
SonyKV32XBR75
NO PICTURE, DISTORDED SOUND, COLD SOLDER T-500/PIN 2 Sound was bad and had no picture. Located cold solderconnection on pin 2 of T-500 (Flyback), also found on the F Board, R-603and R-606 open, then found L-601 shorted.
SonyKV13TR24
DEAD, REPLACED IC-601 Unit was inoperable with no functions. Traced problem to de-fective IC-601.
SonyITA4000
CAN HEAR AUDIO ON SPEAKER WITH VOLUME CONTROL AT MINIMUM Customer complains that even with the SPEAKER VOLUME controlat minimum, he could still hear the incoming caller through the speaker.This was annoying him, as it prevented him from keeping the incoming callconfidential from the other people in the room.
SonySPP120
PHONES WERE CUT OFF The unit was cutting off all the phones in the house and thephone was not dialing.
SonyEVS900
DEAD SET - NO FLUORESCENT DISPLAY The unit will not power up. The fluorescent display was out.Fuses PS-104 and PS-102 were open. After replacing them, all unswitchedvoltages were normal except the back-up 5V at CN-106 pin 7 on the DT-63board. It read 2.8V. A check revealed that D-114
SonyCCDF401
VTR SHUTDOWN Unthreads halfway on eject and rethreads, then shuts down. Noreel sense on pin 46 of micro IC-506 - SS-136 board.
SonySTRGX57ES
PCB SILKSCREENED INCORRECTLY/PART INSTALLED BACKWARDS Servicing dealer in West Virginia reports three units withgoing into protect after a couple of hours after initial turn on. In allthree units he has found the capacitor symbol silkscreened on thepcb to be the reverse polarity of that shown in the manual
SonySPP320
MOTOR-BOATING IN AUDIO AT BASE When battery fully charges (charge) LED goes out. Motor-boating is heard on wired handset or on speaker phone. Spikes are seen atnumerous locations in circuit - likely due to current control problem.
SonyMDP510
SERVICE BULLETIN NUMBER VID0106 This unit and others of this model have already had the modi-fications described in service bulletin No. VID0106 performed (duringmanufacturing). R-161 and C-151 are at the new values and the circuittraces from R-156, R-160 and R-162 to pin 41 of IC-102
SonyCCDV701
NO AUDIO No audio from mic. VTR plays and records.


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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