Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | CFD454 | PART NUMBER NOT IN SYSTEM | Part not in the Kansas City Parts system. | ||
Sony | CFD454 | SCRATCHING SOUND WITH ONE PARTICULAR DISC - ARETHA FRANKLIN | Customer has Aretha Franklin 4 CDs set. 3 of the 4 discs soundgood on the unit. However Disc 2 has scratching sounds mixed in withaudio. | ||
Sony | CFD454 | HEADBASE SHOWN IN SERVICE MANUAL DOES NOT MATCH ACTUAL PART | Headbase shown in the service manual does not match the ac-tual part in unit. Part is shown with alignment posts and hold downclips. Part in unit has screw holes and a rear post. Verified with twoother CFD-454s in shop. No info in SDIS or any service | ||
Sony | CFD454 | RECORD BUTTON WON'T MOVE (REF. 22 JAMMED AGAINST MAIN BOARD) | Record button cannot be depressed because the record lever(ref. 22) is not lined up with the hole in the main board. The jammedlever causes the main board to become permanently warped, so even if youline up the lever properly, the record lever will no l | ||
Sony | CFD454 | IC-302 CONFIGURATION | IC-302 the Graphic Equalizer/Volume Control IC is erroneouslylisted in the service manual's schematic as a CXA1351. It is a CXA1351S.It is also erroneously drawn in both the schematic and the board layout asa 22 pin IC. It is a 30 pin IC. -HQ COMMENTS | ||
Sony | CFD454 | NO P/N FOR OPTICAL BLOCK CONNECTORS | The S/M does not list P/Ns for the connectors which connectthe FOP to the CD Main board into CN-701 and CN-709. | ||
Sony | CFD454 | INTERMITTENT SKIPPING / TRACK JUMPING | Unit would intermittently skip and sometimes would not AMS.Upon monitoring sled motor drive voltage, found it to be increasing.Normally, it is about 0.7V. | ||
Sony | CFD454 | HIGHLY INTERMITTENT CD OPERATION | I have seen several CFD-454 and CFD-455 with highly inter-mittent CD operation. Sometimes when a CD is inserted, focus searchhappens but the CD never starts spinning. It was found that the laser wasnot turning on. | ||
Sony | CFD454 | INTERMITTENT SHUTDOWN OF CASSETTE PLAYER | Erratic operation of cassette player. There are two commoncauses for this. One is that the Shutoff Lever loses its spring tension.The second is that the Belt (Ref #255) stretches. |