Page 1
CDX-525RF SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Model Name Using Similar Mechanism CDX-505RF CD Drive Mechanism Type MG-250C-137 Optical Pick-up Name KSS-521A/J2N SPECIFICATIONS COMPACT DISC CHANGER SYSTEM MICROFILM...
Page 2
CDX-525RF 7-3. SCHEMATIC DIAGRAM – RF Section – • See page 33 for Waveforms. • See page 34 for IC Block Diagrams. (Page 29) The components identified by mark ! or dotted Les composants identifiés par une marque ! sont line with mark ! are critical for safety.
Page 3
CDX-525RF 7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 33 for Waveforms. • See page 35 for IC Block Diagrams. (Page 24) – 29 – – 30 –...
Page 4
CDX-525RF 7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 33 for Waveforms. • See page 35 for IC Block Diagrams. – 31 – – 32 –...
25 to 29 — Not used (open) System reset signal input from the reset signal generator (IC202) and SONY bus interface (IC204) RESET “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”...
Page 10
Pin No. Pin Name Function SCOR Subcode sync (S0+S1) detection signal input from the CXD2530Q (IC101) SENS2 Internal status signal (sense signal) input from the CXA1992BR (IC11) Motor drive signal (elevator up direction) output to the elevator motor drive (IC301) “L”...