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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CFD768 | NO POWER LINE RESOLDER IC311 | NO power AC. Power supply checked ok. Pressed power button noresponse. Checked power driver Q308/Q309 and back up light switchesQ315/Q316, ok. Checked Ic311 back up 5 v regulator, found it coldsoldered. | ||
| Sony | CFD768 | TAPE B NO PLAY WITH TAPE | Head b hits tape when play depressed. Can't bend head backout due to plastic gear head. 2% of this style deck has weak heads. | ||
| Sony | CFD768 | STANDARD ORIGINAL OPTICAL P/U DIFFERS FROM REPLACEMENT | The flex board of this units optical p/u is notinterchangeable with new replacement pick up. -HQ COMMENTS: To replace the solder in type, a new translation board,p/n A-4910-578-A has to be ordered to plug into the new plug in connector.Audio products Se | ||
| Sony | CFD758 | WON'T LOCK ON STATIONS ON AUTO SCANNINNG | Tuner is able to pick up stations fine, but when auto scanningit wont lock on to anything. | ||
| Sony | CFD758 | NO FUNCTION - BEND APART LEAF SWITCH TERMINALS (S605) | Record indicator alway on. causing any function not tooperate. Found leaf switch S605 shorted. -SOLUTION :Bent apart leaf switch terminals | ||
| Sony | CFD758 | NO AM/FM - REPLACE L303, P/N 1-410-521-11 | No AM/FM static only. Checked 30 volt line from DC to DCconvertor. Proper voltage not present. 5 v not present at DC-DCconverter. Coil L303 open. | ||
| Sony | CFD757 | INTERMITTENT MOTOR FUNCTION ON CD | Door would not open or close. Sled would not travel tolimit switch. Optical assy would oscillate. | ||
| Sony | CFD30 | TAPE NO PLAY | Pinch rollers and head will change direction but take up reelsdon't move. Pinch arm heavy spring pops out of groove. Approx 2% ofrepairs. | ||
| Sony | CFD20 | TAPE DECK WILL NOT PLAY ON REVERSE | Head of tape deck stuck halfway turn, causing head assy notto go up. Reason is spring attached to rec protect plate pops out. | ||
| Sony | CFD20 | TAPE W & F UNSTABLE | Wow and flutter fluctuates over 1% range. Too much play inpower arm assy, causing wobble in drive gears. 2% of CFD20 deck repairs. | ||
| Sony | CFD20 | BROKEN CHASSIS | Broken chassis, as per FPR O1058. I have seen two units thisweek with this problem. | ||
| Sony | CDF454 | MECHANICAL NOISE AFTER REPLACEMENT OF NEW TYPE IDLER SPRING | After replacing idler spring in tape section wtih new spring390516801, unit may come back with mechanical noise complaint atbeginning of tape (90 min). So far the only fix is to put old stylespring back in unit. -HQ COMMENTS: The spring has been impro | ||
| Sony | SLVR5UC | LOADING MECH LOCKED UP | When power on loading mechanism keeps going by itself until itlocks up. Found loading motor only goes one way. SOLUTION : Defective loading motor drive IC502 875998345. | ||
| Sony | SLVR5UC | TU BRAKE FAILS, BUT NO SIGNIFICANT SYMPTOMS | Visual inspection shows metal to plastic contact between ref.270 and TU reel. Found that the brake lining had been pushed out of placeon the brake assy, so it no longer made contact with the TU reel.This failure has no obvious operational symptoms. I not | ||
| Sony | SLVR1000 | NO COLOR ON PLAYBACK | No color on playback, but on E-E is ok. SOLUTION : Found C422 loose solder on one leg, pushed up from underthe board by the plastic shield. |