Dicas Reparação




Modelo - Chassis


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(Chassis)
SintomaCausaSoluçãoPor:
SonyCDPC221
NEWER UNITS HAVE DIFFERENT LOADING GEAR SCREW, 7-682-661-09 Newer production units have a different screw for securing theA loading gear (ref. 112). The original screw is a step screw whichserves as the shaft for the gear the newer units have a machine screwwhich secures the gear to a brass post which is secured
SonyICF2010
KEYBOARD LOCKS UP - CLEANED 0 BUTTON Intermittently the frequency entry keys are no longerfunctioning.
SonySLVR5UC
POOR PICTURE WITH FUJI TAPE IN EP - ADJUST RV201 RP-76BOARD In Super VHS the recording in EP mode using Fuji tape inPlayback was weak and streaky. On Sony tape there was no problem.
SonyGVS50
RF ADAPTER DOES NOT WORK - REPLACE PS402 AU136 BOARD The RF adapter does not work.
SonyCCDTR31
INTERMITTENT SOLARIZATION/IC-801, VC-122 Camera has intermittent solarization ON/OFF. VTR mode is ok.
SonyCDXA55RF
EXCESSIVE SKIPPING (BROKEN SPRING, REFERENCE #7) Complaint is excessive skipping. The chassis was rattlingloose inside case. Found spring broken on optic side of chassis and bothdampers ruptured.
SonySLV575HF
POPPING NOISE AFTER HEAT UP: REPLACE IC-007 HF-9 BOARD After the unit heats up, there is popping noise in the audio.If the playing tape has mono audio, the video disappears completely.
SonySLV585HF
VERTICAL BAR DISTORTION: REPLACE THE FULL ERASE HEAD Vertical bar distortion on the video picture.
SonyXR5450
NO AUDIO FROM TAPE (R-414 ON EQ BOARD OPEN) No audio from tape, but radio portion had audio. Found B+not present at pin 8 on IC-401, however, B+ was present at pin 7 ofCNP-102. Found R-414 10 OHM resister open.
SonyTCC5
DOOR WILL NOT STAY CLOSED - REF 103 OUT OF POSITION When you close the door, it will only close to the firstposition, the position where you can skip tapes with door closed. Afterfive seconds, the door reopens.
SonyEVS550
REMOTE PROGRAM SET FEATURE INOPERABLE: CHECK TV/CATV SETTING All functions worked from the remote except the program setfeature. When trying to use this function, the unit would emit threeshort beeps.
SonyKPR46XBR15
HORIZONTAL TEARING, REPLACED C-366 ("E1" BOARD) The picture was tearing horizontally. This would change withpicture brightness. The problem was worse when the unit was cold. Theproblem was traced to C-366 on the E-1 board. This is a couplingcapacitor in the sync separator circuit. It had reduced
SonyKPR46XBR15
GREEN IS SEVERELY PINCUSHIONED,REPAIRED YOKE WINDING The green was severely pincushioned. The problem was an openprimary vertical winding in the green deflection yoke. The open occurredat the splice underneath the plastic housing. Although the wires were notphysically separated or broken there was not e
SonyKV27HSR10
WHITE STREAKS IN VIDEO, REPLACED C302 ("A" BOARD) We have received some reports of white streaks in the videowhich will vary with the signal level. The problem is caused by C-302opening up. C-302 couples the video into the jungle IC.
SonySLHF400
INTERMITTENT REWIND: REMOVE GLUE UNDER IC001 SS-32 BOARD Intermittently when the Rewind button was pushed the unitwould Fast Forward. The problem was caused by glue underneath the SystemControl CPU/IC-001. This was altering the DC voltage at pin 15/key input.


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