How To Rebuild Marantz 2245, 2270 Amplifier Board - Part 1

How To Rebuild Marantz 2245, 2270
P750 Amplifier Board
P500 FM Detector Board
P550 Muting Board



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Parts List for... Marantz 2245 P750 Amplifier Board

C759/760 10uF/16V Nichicon UKL1C100KDD1TD
C761 22uF/25V Nichicon UKL1E220KDDANA
C751 400v/1uF Vishay Film Capacitor MKP1839510401
R762/R763 Bourns Trimmer Resistor (Potentiometer) 3386H-1-202LF
R767/R768 Any 1/2 watt 1.5Kohm Metal Film Resistor 1% tolerance
R757 1/4 watt 4.3k ohm Metal Film Resistor 1% tolerance MF1/4DCT52R4301F (optional)
R759 1/2 watt 100Kohm Metal Film Resistor 1% tolerance SFR25H0001003FR500 (optional)
H762/763 Vishay 15v 1.3 watt 2% Zener Diode BZX85B15-TAP
Flyback Diodes Vishay 1000v/1.0a/75ns UF4007-E3/73 (optional. Mine had them from factory)

Marantz 2230 / 2245 / 2270
P500 FM Detector Board
C510 Vishay Axial 63v/1uF Capacitor 20% MAL202138108E3
C509 Nichicon 10v/100uF Capacitor 10% UKL1A101KEDANA
C503/508/511 Nichicon 16v/10uF UKL1C100KDD1TD
C514 Nichicon 16v/100uF UKL1C1MPDANA

Marantz 2230 / 2245 / 2270
P550 Muting Amp
C554/559 Nichicon 16v/10uF UKL1C100KDD1TD
C557 Nichicon 50v/4.7uF UKL1H4R7KDDANA