Dicas Reparação




Modelo - Chassis TCDD3


Pesquisa: TCDD3 Enviar Dica Resolvida
Resultados 29
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTCDD3
DIGITAL STATIC DURING PLAYBACK: REPLACE IC515 Static in audio during playback. Static could be seen atTP104 and TP204 but could not be seen prior to IC308.
SonyTCDD3
INTERMITTENT LOSS OF RIGHT CHANNEL (REPLACED S301) The customer complained of an intermittent loss of the rightchannel during recording using the analog line in jack.
SonyTCDD3
LID DID NOT OPEN, CAUSED BY BAD CAPSTAN MOTOR, REF. 154 Lid would not open. Intermittently found capstan motordragging slightly.
SonyTCDD3
EATS TAPES (REPLACE BACK-TENSION LEVER, TIGHTEN TAPE GUIDES) When playing tapes the audio would drop out and the tape wouldride down on the capstan shaft.
SonyTCDD3
PART # ADDITION PH1001/PH1002 (NJL5161K-A PN 8-759-710-34) The service manual does not list a part number for PH1001 andPH1002 (photo sensors for take-up and supply reels). -HQ COMMENTS: The sensors are type NJL5161K-A, part number 8-759-710-34.
SonyTCDD3
INTERMITTENT POPPING NOISE (RESOLDER C548 ON MAIN BOAD) Intermittent popping noise, when lid tapped, or by itselfafter 15 or 20 minutes. This was caused by a poor solder connection atC548. -HQ COMMENTS: C548 is one of many de-coupling capacitors found connectedbetween the +5V line and ground. The intermitte
SonyTCDD3
NOISE IN AUDIO (REPLACE CAPSTAN MOTOR, P/N 8-835-412-01) Audio would intermittently have digital noise. RF waveformshowed occasional breathing. All electronics appeared OK.
SonyTCDD3
SHUTS OFF AFTER PLAYING FOR 3 MINUTES (REPLACE F501) The unit will shut off after it has been playing for about 3minutes. There is no voltage at F501 which is connected to IC506.
SonyTCDD3
NO AUDIO FROM LINE OUT OR PHONES OUT (IC-302 DEFECTIVE) There was no audio out of line out or phone out, even thoughthe display was indicating there was audio.
SonyTCDD3
AUDIO IS INTERMITTENT ON RECORDING MODE Unit would playback a prerecorded tape ok but the audio wasintermittent on the recording mode with this unit.
SonyTCDD3
PEAK LEVEL METER INDICATION ALWAYS DISPLAYS "OVER" Peak level meter indication is always over with no input onremote, digital jack or mic/line in. Operating conditions were asfollows: record button Off, record level control set to minimum and notape in loaded. Two units with the same symptom.
SonyTCDD3
PART NUMBER NOT LISTED FOR REEL SENSORS AND MD FLEX PCB The service manual does not list the part number for PH-1002T-reel sensor, PH-1001 S-reel sensor, or the part number for MD flex-ible board (see P1 No. 36 of service manual). Is the MD flexible boardpart of the mechanism block assembly part number X-336
SonyTCDD3
CAUTION INDICATOR REMAINS ILLUMINATED AFTER REPAIRS ARE MADE When the Caution indicator was illuminated prior to repairsbeing made to this model, it remains illuminated even after the repair ismade. This leads the technician to believe that the unit still has aproblem.
SonyTCDD3
TCD-D3 MECHANICAL ALIGNMENT
SonyTCDD3
TCD-D3 MECHANICAL ALIGNMENT Unit shows caution on the display. We have followed stepsNos. 1-6 according to S/B HFP0203 with negative results. When power isapplied to the unit, press power and cassette compartment ejects by itselfwithout pressing the eject button. When press down


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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