Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyBMC220
COLOR DISTORTION: BLUES AND YELLOWS APPEAR RED Tube had low output and was replaced. Camera adjustmentscould not bring any blue or green colors, both appeared red. Replacementof VC-3 bd also did not help.
SonyCCDV8AFU
INTERMITTENT OPERATION OF CONTROL MOTOR Blowing fuse PS601 intermittently. This motor should drawabout 60mA under normal operation, increasing to about 170mA at the end ofboth threading or unthreading (max. load). This one was drawing over 1.2AI have two units with the same problem.
SonyCCDV8AFU
COLOR DISTORTED One pulse missing on IC707. IC708, CP-9 board (sync gen) alsoreplaced.
SonyKV2670R
INTERMITTENT VERTICAL JITTER ON TAPE, R-854 VALUE CHANGE This unit had an intermittent vertical jitter on copy guardtapes. The tape I viewed was MCM home video - MASK. The vertical jitterwas worse in the beginning. The tape was played through two SL-HF900and an SL-HF600 with the same results.
SonyCCDM8U
WIND SCREEN We have been getting a lot of request for the wind screenwhich detaches from the mic. Will a part number be issued for the windscreen? -HQ COMMENTS: A S/B will be issued for the following models: CCD-V8 2-536-720-01 CCD-M8U X-2536
SonySLHF300
SNOWY PICTURE Snowy picture, receives no channels.
SonyXR740
NO AUDIO OR MOTOR OPERATION No audio or tape operation but AM and FM appeared to function.Found Q302, Q304, Q402, Q404, Q501 and Q601 muting. This was due to IC701Pin 19 in mute state (2.5V). When checking B+ to IC701, it was only 2.5V.Found Q702 collector to be 0V. This is the
SonyITA500
BEEP TONE ERROR When out button pressed, beep tone error produced.
SonyLCG396
BOARD MOD. TO UNIT UNDER TEST: LCG-396/KV-1311CR (RGB MODE) RGB modified LCG-396 will not work with KV-1311CR or CPDunits. No sync, or blanking occurs.
SonyITA500
UNIT WILL NOT OPEN CONDO DOOR Unit will not open condo door through the digit #9. Pls letus know why and what should be done. -HQ COMMENTS: This condition is presently under investigation. Toevaluate the problem, we need info on the control network used in thecondominiums.
SonyXR77
SCAN ON FM STOPS 0.1 POINT SHORT OF STATION Scan on FM stops 0.1MHz short of station. Have to turnmanual scan to get on station. Have tried adjusting CT701. -HQ COMMENTS: Adjust controller frequency for 100MHz +/- 3KHz. If youcan not adjust for 100 MHz +/-3KHz, IC701 may be broken. Also check
SonySL2000
NO OPERATION Unit would thread w/o cassette. Threading motor would notturn off at threading end. Commands (play, etc) were accepted (LED wouldlight) but no operation. After 8 sec unit would go into shutdown, witheject light on. Servicer had previously replaced IC
SonyLC710
NEED P/N FOR STRAP AND BATTERY HOLDER We need P/N of shoulder strap and battery holder used in theBetamovie system case. -HQ COMMENTS: These parts are not available separately. Sales has afew extra parts which I will send to you.
SonyXR740
EJECT MALFUNCTION I have received six or so XR740/780compartment. On none of them could I find a defect. After unjamming tapeand resetting the mechanism, all functions are okay. It seems that thewhite cam gear (#383) hangs up while moving the power plate assy (#371)for
SonyKV25XBR
POOR VERTICAL LOCKING Good pix and sync with network broadcast, but with VCR output,poor vertical lock, intmt blanking of pix. Found reduced amplitude ofcomp. video at output of U board (U-10). Signal reduced by 1/3 between Band E of Q822 buffer, but Q822 OK.


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Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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