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Modelo - Chassis


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(Chassis)
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SonyXR5000
NO AUDIO ON TAPE LEFT CHANNEL No audio on tape left channel (forward and reverse). Radiochannels ok.
SonyCDXR77
FLASHING SEGMENTS IN DISPLAY Display would flash segments erratically - especially whenunit is first powered up. After powered up, display would flashintermittently with wrong segments every second or so.
SonyTAN77ES
NO POWER Unit has no power.
SonyCDXR88
WILL NOT ACCEPT SPECIFIC DISC The Eric Clapton CD with the number 126074-2 RE1 SRCT03will not play in CDX-R88. It will not load down. It gets stuck insidebecause the coating on the outside of the disc is not wide enough. Itlets the LED's light pass through so it does not think it
SonyKV27TS20
SHUTDOWN, REPLACE YOKE AND R-578 Set in shutdown. R-578 dissipated, reading zero on the 27,12, and 9.3 volt lines.
SonyKV2680R
SHUTDOWN, C-540 OPEN Set would shutdown intermittently due to high B+ (145-150Vdc).Replaced STR3035 in regulator circuitry to no avail. R-608 (20 watt220 Ohm) was cool. Set also showed no ripple at normal line voltage.
SonyCPD1302
SHUTDOWN Set would shutdown immediately at turn on. Pin 6 of IC-301measures approximately 12 volts.
SonySTRAV910
MICROPROCESSOR RESET Refer to FPR number L0613. -HQ COMMENTS: System malfunctions caused by the microprocessor lockingup can usually be traced to either a supply voltage problem, or aninterface problem. Resetting, and in extreme cases, replacing the microis the only way to
SonyXM3060
PART NUMBER FOR RV-601 - RV-603 The part numbers listed in the service manual for RV-601, 602and 603 are incorrect. The part number listed (1-238-826-11) is for aright angle mount pot, but the part needed is a vertical mount type.
SonyXM5520
PART NUMBER FOR RV-601 Part number listed in the service manual for RV-601 is notcorrect. The part listed 1-238-826-11 is for a right angle mount pot, notthe vertical mount type needed.
SonyCDPS107
INTERMITTENT SKIPPING DURING PLAY The unit will intermittently skip while playing back a disc.The symptoms suggest a problem with the Tracking/Focus Servo or with thePLL block. Adjustments will only slightly improve the situation, but willnot eliminate the skipping. New optics did not c
SonyKV27SXR10
NO ON SCREEN DISPLAY, REPLACE IC-107 Unit had no on screen display. All other functions normal.IC-107 (5 volt regulator) output was 7 volts.
SonySTRAV910
OUTPUT TRANSISTORS DEFECTIVE Several units to date with two output transistors defectiveand F-801/802 open. Checked driver and other transistors - all ok.
SonyPVM2530
INTERFACE CABLE Customer wants to know what cable is required to interface aPVM-2530 to a CGA Graphics Card.
SonyKV2783R
HUE CHANGE ABOVE CHANNEL 35, ADJ AFT COIL SLIGHTLY Color and hue are fine from channel 2-35. When a channelabove channel 35 is selected, the hue will change flesh tones to green.Tried service bulletin No. 273 but it did not help.


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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