Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyKV1923
NO VERTICAL The unit had no vertical. We found the voltage at IC-501/P14to be zero. C-520 was shorted and causing the problem. -HQ COMMENTS: C-520/10uF/16V is located OFF pin 14/IC-501.
SonyCCDM8U
NEW CABINET AND EJECT SWITCH Unit would not eject. Installed above part six weeks ago.This cabinet assembly will not work with old style side frame (Ref. #110,pg. 124) which has hole, due to position of eject switch. Eject switchbends out of position and will no longer work.
SonyGV8
BLURRY PICTURE WITH NO COLOR Picture is blurry with no color.
SonySTRAV57
HUM IN SPEAKERS On FM there was a hum in both speakers. Screws on the mainboard had to be tightened. Also, serial number 804738.
SonyCDP910
WILL NOT PLAY LONG CDS LONGER THAN 60 MINUTES When the unit tries to play a CD longer than 60 minutes, itwill start to skip at about 60 minutes and shut down. Anything before 60minutes will play fine.
SonyXR7150
E99 ON DISPLAY When customer turns off power while tape is playing, unitfails to play tape when power is turned on again. Display indicates E99tape must be ejected and reinserted to continue playing. -HQ COMMENTS: If the customer complains of this problem, replace IC
SonyCCDM8U
THERE ARE TWO MISTAKES IN CAMERA ADJUSTMENT MANUAL 1-9 AGC setting adj. 1-21 Aperture adj.Test point in S/M VC-5 board TP810 ME-1 board TP711Correct test point VC-4 TP685 VC-6 TP952 -HQ COMMENTS: We are investigating this problem.
SonyKV25VXR
PART NUMBER FOR X202 ON (MV-7) BOARD Need part number for X-202, MV-7 board. -HQ COMMENTS: Part number is 1-567-303-11 (10.7mHz crystal). A servicebulletin will be issued.
SonySLHF360
UNIT DEAD, CANNOT TURN OFF POWER LIGHT Recording switch was stuck by broken front panel.
SonySLHFR70
DIAGONAL LINES WEAVING IN PICTURE When in PLAY mode, there were diagonal lines of interferenceweaving in the picture, more noticeable on color pictures. IC001 pins 9and 15 had high frequency oscillation. This was only noticeable in PB,not in STOP mode. Checking the following capacitor
SonyKV2084R
OSCILLATION IN PICTURE, REPLACE T-251 & C-256 Unit would tune stations, but showed an oscillation in thepicture. The oscillation appeared sometimes as only covering part of thevideo, and other times covered the full screen. The interfering oscilla-tion was severe, and looked as if the fine tuning
SonyKV27TS20
HIGH-PITCH SQUEAL, SEE SB TVP0114, 1-451-275-41 Intermittent squeal from yoke. -HQ COMMENTS: Please replace the yoke using P/N 1-451-275-41. This wascovered in Service Bulletin TVP0114.
SonyCCDV8AFU
NO PICTURE AND SOUND IS NOISY No picture and sound is noisy.
SonyACV33
NO POWER LIGHT OR CHARGE INDICATION All voltages were up and correct on (VX-1) board, found brokensolder connections at CN1P.
SonyCFS220
NO TAPE AND/OR BATTERIES GOING DEAD Unit will have no tape functions and/or will have a constantcurrent draw on battery or AC power supply, even in the OFF position.This will cause battery to go dead in approximately three days.


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