Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2680R | INTERMITTENTLY WON'T POWER OFF MANUALLY, IC-105 MEMORY IC | Intermittently this unit would not power off manually. Whenit was in the failure mode the screen would blank and possibly go to anoff channel when the power button was depressed. All remote functionsworked fine. We could not detect any irregular volta | ||
Sony | CDX5 | POWER SUPPLY FAILURE; DC-DC CONVERTOR UNIT | Unit came in with Q1 and Q2 shorted. Replaced parts and atpower turn on, same transistors failed instantly. Upon further inspec-tion of DC-DC converter brd, I noticed L2 which was glued had bustedloose from point where the glue was placed. | ||
Sony | STRVX5 | NO POWER | Unit was dead. Servicer had replaced every component in PPS.But when he hooked up supply to main brd, R002 would open up. When I gotunit, I pulled PPS board loose and put freq. counter on it. Ckt. wasrunning erratic from 23kHz to 37kHz constantly chan | ||
Sony | SLHF600 | NO BETA HIFI RECORD | Unit would not record in Beta Hi-Fi. Audio carriers werepresent but frequencies were double the normal. | ||
Sony | CCDM8U | NO EJECT AND INTERMITTENT TALLY AND STANDBY LAMP OPERATION | 1) Unit would not eject. 2) Tally lamp (D114) and stand-bylamp (D116) on FP-16 board work intermittently. | ||
Sony | D5 | DISC SPINS - NO AUDIO | Original problem was disc spins, then goes back to standby,no audio. Verified problem, found that RF was coming up OK but disc speedwas wrong. In service mode we had GFS high all the time, however the VCOwas not oscillating. Measured 0.6VDC at Pin 9/I | ||
Sony | CFM23 | NO PART NUMBER | On page 17 block D-3, part # of rivet 3x10 is missing. -HQ COMMENTS: The part number is 7-625-724-30. | ||
Sony | SLHF300 | TAPE CREASING | Tape damage at beginning of tape after auto rewind with L-750/L-830 tapes. Tape remains slack after rewind, causing damage when playbutton pressed. | ||
Sony | XR740 | MISSING P/N | No part number or Ref. # in service manual or IRP. -HQ COMMENTS: The two photo-couplers are mounted on the SW PWB asslisted in the S/M (Ref. #913 P/N 3-596-542-01). Will check with Tokyofor separate supplies of the devices. | ||
Sony | SLHF600 | DISTORTED PICTURE | Symptoms viewed on the monitor look like an AGC problem. Syncinstability and a tendency toward a negative picture. | ||
Sony | CDXR7 | TUNER AVAILABILITY | Many reports of theft of the tuner section. Can we getseparately? -HQ COMMENTS: The tuner and players are produced in a pair, and no tuneralone is available. | ||
Sony | KX27HF1 | JAPAN UNIT (100 V) CAN USE IN US?,NEED STEP DOWN TRANSFORMER | Customer bought set in Japan. Brought back to US and itplayed 7 hrs and went dead. SVC says it is 50Hz 100V, if so, can it bemodified to work in US? -HQ COMMENTS: Sony policy in such a matters is not to modify unitsdesigned for different standards. I | ||
Sony | BMC550K | BETAMOVIE TURNS ON IN REC MODE | With a tape in unit at turn on, unit would go into record modeand would not come out. | ||
Sony | BMC550 | HOOK UP OF THE BMC-550 AND THE BMCJ-888U CONVERTER | In Fig. 1-7 on page 133 of the S/M the 4 pin connector fromthe converter is shown connected to the 5 pin connector on the CS-5 board,what are we to do? -HQ COMMENTS: The Betamovie jig cannot control the BMC-550operations. Although inconvenient, you mus | ||
Sony | SL2400 | NO REEL DRIVE | Servicer replaced Q218 and R233 (SS-13 board) several times(kept blowing), as well as Q217 and Q220, and reel motor board. ReplacedSS-13 board with new one from NPC, after 4 days R233 blew. |