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XR-5880R/5890R SERVICE MANUAL AEP Model UK Model Photo: XR-5890R Model Name Using Similar Mechanism Tape Transport Mechanism Type XR-C6100R MG-25G-136 SPECIFICATIONS FM/MW/LW CASSETTE CAR STEREO MICROFILM XR-5880R/5890R 6-2. SCHEMATIC DIAGRAM -- MAIN (1/2) SECTION -- · Refer to page 29 for IC Block Diagrams. · Waveforms 1 5.4Vp-p 32.8KHz IC501 &Ј 2 5.6Vp-p 3.68MHz IC501 (Ј 3 5.4Vp-p 4.332MHz IC51 4 Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ў · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM f : AM (MW) E : TAPE PLAYBACK · Abbreviation G : German model. (Page 23, 24) ­ 21 ­ ­ 22 ­ XR-5880R/5890R 6-3. SCHEMATIC DIAGRAM -- MAIN (2/2) SECTION -- · Refer to page 29 for IC Block Diagrams. (Page 21, 22) (REMOTE IN) (Page 27) Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ў · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM f : AM (MW) E : TAPE PLAYBACK · Abbreviation G : German model. ­ 23 ­ ­ 24 ­ 6-5. SCHEMATIC DIAGRAM -- PANEL SECTION -- XR-5880R/5890R (Page 23) Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ў · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are ta