NAD C 325BEE Service Manual

Also see for C 325BEE: Owner's manual Notes on usage Service manual

Contents

NAD C 325BEE Service Manual Manual pdf 15 page image

ALIGNMENT PROCEDURESI. INITIALA. LOWEST VOLUME ADJUSTMENT3. Connect a oscilloscope to L channel binding posts.1. Tune the volume pot to lowest state.2. Input a high voltage signal such as 5V from CD input.4. Observing the oscilloscope,adjust VR301,make the output of speakers become to the5. Adjusting VR302,make R channel output become to the lowest level by same way.B. IDLING CURRENT2. Connect a DC voltmeter toTP1 and TP2 ,adjust VR22 for 4mV reading on voltmeter.3. Connect a DC voltmeter toTP3 and TP4 ,adjust VR12 for 4mV reading on voltmeter.1. Level power on for a minimum of 5 minutesII. FINAL ADJUSTMENTRepeat procedure A,B and C for the lowest volume level, idling current alignmentand ISC original level respectively.TP1TP2TP3TP4VR22VR12VR301VR302MAIN BOARDlowest level.C325BEEVR3TP10 TP11C.ISC CIRCUIT ORIGINAL ADJUSTINGAdjust the pot VR3 to make the DC voltage of the point of TP10 to the same as TP1115www.hifiengine.com