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Modelo - Chassis


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(Chassis)
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SonySLV575UC
ADJUSTMENT OF CLOCK ACCURACY When CV-201 must be replaced, the adjustment procedure in theservice manual cannot be done because we currently do not have the equip-ment necessary. However, if CV-201 is left unadjusted the clock will betoo far off tolarance (see FRP M0322 for a simil
SonySLV575UC
CLOCK WILL NOT ADVANCE When the clock is set, it will not advance, remaining at what-ever time it was set.
SonyKPR46CX50
NO REMOTE FUNCTIONS OR DEMO PIP, REPLACED C-1005 Remote didn't work and demo button didn't work. However, youcould change channels and volume at TV.
SonySLV676UC
UNIT DISPLAYS CHANNEL AND THEN A BLUE SCREEN Whenever a channel was accessed, the unit would display thechannel and then a blue screen constantly. The channel never remained ex-cept for a very short time. This oscillation never stopped. To be morespecific, the channel and blue screen displays oc
SonySPP170
BATTERY SAVE AND VOLUME CONTROL KNOBS Battery save and volume control knobs fall off the switch steminto the bottom of the handset.
SonyTAU10
NO ANSWER TO RING SIGNAL Unit will not answer to a ring signal.
SonyTAU10
OGM, REC, P.M. BUTTONS JAMMING (S-201, 2, 4) When the OGM, REC or Private message buttons are pushed toohard, they lock into the pushed position causing various problems. Mainlya dead unit. This problem has occured in many of the units I have seen.
SonyXR5500
RADIO SECTION INOPERATIVE AFTER EJECTING CASSETTE The above symptom may occur due to a slight misadjustment ofthe small tab on the eject cam lock assy. After ejecting a tape, themisadjustment of the tab allows the carriage assy to drop back down intothe tape-loaded position, which turns on S901 (tape d
SonyTAM50
CONTINUOUS LINE CONNECT With or without power applied, the TAMs will have continuousconnection with the outside line. This is due to the line switch (Q-1)shorted collector to emitter.
SonyTAM30
CONTINUOUS LINE CONNECT With or without power applied, the TAMs will have continuousconnection with the outside line. This is due to the line switch (Q-1)shorted collector to emitter. Also applies to serial numbers 60743,24519, 21397, 37987 and 35030.
SonyTAM50
INCORRECT PART NUMBER IN SERVICE MANUAL SP-1 When ordering part number for SP-1 in service manual, wrongpart is received. The part needed is an 8 Ohms speaker. The part re-ceived is an 16 Ohms speaker. It would be helpful if a more accuratedescription of the speaker was given i.e. AC resistance
SonyTAM30
INCORRECT PART NUMBER IN SERVICE MANUAL SP-1 When ordering part number for SP-1 in service manual, wrongpart is received. The part needed is an 8 Ohms speaker. The part re-ceived is an 16 Ohms speaker. It would be helpful if a more accuratedescription of the speaker was given i.e. AC resistance
SonyTAM50
UNIT CUTS OFF DURING OGM PLAYBACK TO THE CALLER When incoming call is received, OGM is activated, but is pre-maturely cut off. This is due to the fact that pin 52 of IC-3 has to beheld low while the OGM is played to the incoming caller. In order forthis to be accomplished, Q-4 must be turned on by Q
SonyTAM30
UNIT CUTS OFF DURING OGM PLAYBACK TO THE CALLER When incoming call is received, OGM is activated, but is pre-maturely cut off. This is due to the fact that pin 52 of IC-3 has to beheld low while the OGM is played to the incoming caller. In order forthis to be accomplished, Q-4 must be turned on by Q
SonyTAM50
CONTINUOUS LINE CONNECT WITH POWER APPLIED TAM seizes telephone line when power is applied. Pin 25 ofIC-3 (line on pin) is being held high, which turns on Q-2 and Q-1,which causes the line to be seized. Pin 25 is getting the high from R-241on the (sub board), but R-241, R-242 and Q-207 all che


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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