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(Chassis)
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SonyKV20HFR
MISSING PART NUMBER, SONY EMBLEM 4-374-115-01 Is a part number available for the (Sony) emblem, glued to thebezel assembly? -HQ COMMENTS: The part number for the Sony emblem for the KV-2080R is4-374-115-01.
SonyCFSW350
HIGH SPEED ADJUSTMENT High speed adjustment on page 5 of the service manual will notwork unless function switch is set to radio position. -HQ COMMENTS: To do the high speed adjustment, the function switch mustbe in the radio ON position. The normal speed adjustment will wor
SonyD160
TWO VERSIONS OF MD Original production units employed a mech-deck that had screwsholding the MD cover in place. Later production units, do not. The MDcover is held in place with snap claws (as shown in service manual).Replacement parts from KC are of the new version. Is
SonyCCDF70
NEW UNIT DEAD Unit is dead out of the box. No output from DDCON.
SonyCDXR79
NO OPERATION Unit would not do anything. Inspection revealed that sled wasjammed.
SonyKPR46CX10
NO VIDEO, REPLACED IC4402 Unit displayed no video. Talked to one other servicer aboutthe same problem on another unit today which has the same problem. Thisalso pertains to unit with serial number 8001646.
SonyCDP38
E-F BA1 ADJUSTMENT How do you perform step 6 on page 8 of the E-F balance adjust-ment? Should step 6 be, (return RV-104 to its original position or tryto adjust as shown in step 6, page 10)? -HQ COMMENTS: As with any CD alignment, the adjustments must be done inorder (pl
SonyCCDF40
AFTER AWHILE PICTURE GETS LINES AND VF GOES BLANK Picture became distorted after recording for 20-30 minutes.As if the camera was loosing sync and ACC control.
SonyCCDV99
UNIT DOES NOT RECORD IN HI 8 THROUGH COMPOSITE VIDEO IN The unit will not record in Hi 8 through the composite videoinput. -HQ COMMENTS: This is normal operation for this unit.
SonyCCDSP7
AFTER AWHILE PICTURE GETS LINES AND VF GOES BLANK Picture became distorted after recording for 20-30 minutes.As if the camera was loosing sync and ACC control.
SonyXR7150
DISPLAY DEAD - NO FUNCTIONS No functions, dead display. IC-301 had already been replacedonce. Replaced it again - same. Found that the ACC sensing line, pin 11was at 1.6, instead of 3.9V. Traced problem to some sort of conductivematerial loading line at intersection of R-372, R
SonyCFSD960
WRONG RESISTOR VALUE ON SCHEMATIC After replacing defective output IC and limiting resistor,there was no sound due to low supply voltage to output and bass amp ICs.Resistor is marked 3.9K instead of 3.9 Ohms. Part number and descriptionare correct on parts list. Low voltage was, of cou
SonyKV8AD10
MISSING DEGAUSSING COIL AND CIRCUIT Customer (local channel 2 broadcaster) has purchased 18 unitsand plans to purchase 8 more in the near future. The last two units re-ceived do not have the degaussing coil and circuit. This renders the setsuseless for their application since they are in
SonySPP110
INCORRECT PART NUMBER FOR HANDSET ANTENNA Service manual shows 1-503-389-11 for antenna. Actual partnumber is 1-501-389-11. -HQ COMMENTS: Thanks for the info. I will publish a service bulletin.
SonyCDPC70
NO MUTING WORKS DURING PROGRAM AND SHUFFLE MODE There is a moment noise just before the beginning of the nexttrack in. Program or shuffle mode on certain (disc - not all) sample discof customers is the Cars Greatest Hits manufactured for RCA. Noise showson this disc between 7-9 tracks in program mod



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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