Nad C 422 Service Manual

Page 2

SERVICE SAFETY PRECAUTIONS

1. Safety check out

(Only U.S.A. model)

Before returning the product to the customer, make leakage current or resistance measurements
to determine that exposed parts are acceptably insulated from the supply circuit.

Parts marked with the symbol A are critical with regard to the risk of fire and electric shock.
Replace only with parts recommended by the manufacturer.

CONTENTS

DESCRIPTION ......................................................... PAGE
SPECIFICATIONS .......................................................... 3
REAR PANEL/ FRONT PANEL ................................................ 4
DISASSEMBLY INSTRUCTIONS ............................................... 5
BLOCK DIAGRAM .......................................................... 6
WIRING DIAGRAM ......................................................... 7
ADJUSTMENT POINTS DIAGRAM ............................................. 8
INSTRUMENT SETUP ....................................................... 9
ALIGNMENT PROCEDURES ................................................. 10
PCB LAYOUT .......................................................... 11-12
SCHEMATIC DIAGRAM .................................................. 13-14
IC BLOCK DIAGRAM .................................................... 15-17
ELECTRICAL PARTS LIST ................................................ 18-23
EXPLODED VIEW ......................................................... 24
EXPLODED VIEW PARTS LIST ............................................ 25-26
PACKING DIAGRAM ....................................................... 27