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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | HST221 | SPEED ADJUSTMENT AND HIGH W&F | Speed adjustments and high W&F. High use of motor onHST211, HST221, HSTD105, HSTD107, HCDD117. All use potentiometers onthe cassette PCB to adjust speed. HCDD115 uses the VR inside the motorto adjust speed. | ||
| Sony | MPKTR | WRONG PART NUMBER FOR PEDESTAL BASE | Part number for pedestal base reference number 121 is wrongalso part number for reference 118 is missing. | ||
| Sony | SPP150 | WON'T LOCK ON CHANNEL | Would not lock on channel. Checked and found frequency off.Tried to adjust CT-301 to no avail. When trying to adjust it, it seemedto skip over proper frequency. | ||
| Sony | CDXU300 | DOES NOT READ DISCS | Unit would not read TOC. The sled motor was running butthere was no FOP movement. The drive base had slipped out of place. | ||
| Sony | XRA55 | REQUEST FOR PART REGISTRATION: GMD-314 MOUNTING SLEEVE | Reference No. 63 and 64 are listed separately on page 28 ofthe service manual. They are available through sales as GMD-314 as thecomplete bracket. Can National Parts Center register and order thecomplete GMD-314 for stock? -HQ COMMENTS: We have forwar | ||
| Sony | CCDFX510 | CRACKLING NOISE IN AUDIO PLAYBACK | Crackling noise in playback only. Most evident in low notes. | ||
| Sony | GV300 | CURL AT TOP OF PICTURE | Unit came in with bad heads. Replaced upper drum and picturewas restored. However, there was a curl at top of picture during Playbackand was especially pronounced during still and slow-motion. Tape path waschecked as was head switching. The still/slo | ||
| Sony | GV300 | SLOW-MOTION AND STILL PICTURE DISTORTED | In still picture and slow motion picture was distorted withwhite lines etc. This was not corrected with the still/slow buttons. Tapepath and head switching position were correct. Cue and Review were OK.The problem was mostly evident on tapes recorded in | ||
| Sony | KV32XBR95S | NO PICTURE IN TV MODE, RESOLDERED BOTH Q-605, AND D-655 | No picture in TV mode, the video mode was ok but missing twoinches at the bottom of screen. Found all B+ voltages low causingincorrect voltage at tuner and vertical. | ||
| Sony | DTC670 | UNIT WON'T COMPLETELY REWIND | Unit would play and fast forward correctly, but wouldn'tcompletely rewind a DT120 tape. All play tensions were correct. However,with no tape loaded and mechanism in rewind, turning take-up spindle withfingers revealed high stiffness and drag. | ||
| Sony | HCDH1500 | INOPERATIVE UNIT | Unit is inoperative. Start up power supplies and fuses onpower supply PCB all are good. No red LED for Standby. | ||
| Sony | TCW31 | "B" DECK HAS NO PLAYBACK | B deck has no Playback. IC-303 is not switched from A toB deck. | ||
| Sony | KV20EXR20 | HIGH PITCHED SOUND, REPLACED C-507 | High pitched sound gets louder after two hours. Used the radioShack sound level meter with an extension tube connected to its input.This allowed pinpointing of the part. | ||
| Sony | KV20TS27 | NO SOUND, REPLACED IC101 | No sound. | ||
| Sony | STRD990 | UNIT CYCLES OFF IMMEDIATELY WHEN POWERED UP | Unit immediateley shuts off when powered up. Fuses were allfine. |