Nad 304 Service Manual 2

Page 2

TABLE OF CONTENTS

SPECIFICATIONS ................ - .............................. e4
REAR PANEL CONNECTIONS ...................................... 5
FRONT PANEL FUNCTIONS ....................................... e
ALIGNMENT PROCEDURE ........................................ 7
EXPLODED VIEW PARTS LIST ............................... a and 13
WIRING DIAGRAM ............................................... 9
SCHEMATIC DIAGRAM .......................................... 10
PCB LAY-OUT .................................................. 11
EXPLODED VIEW ..... .......................................... 1 2
ELECTRICAL PARTS LIST ..................................... 14-18
PACKING DIAGRAM ............................................. 19

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SERVICE SAFETY PRECAUTIONS 1

1. Use exact replacement parts for critical locations, marked A on pans "SI.
2. Return lead dress to original position, and re-install protective covers.
3. Belore returning to customer, test for shock hazard; use either method A or B:
A. Leakage test, "col ":
. Unplug AC cord, turn power switch ON.
. Connect one lead of High Voltage insulation Tester to both prongs of AC plug.

1

2

3. Touch other lead to all exposed metal parts.

4. Impedance measurement must be 0.3 - 5.0 Megohms.

. Leakage test, live":

Plug unit directty into AC outlet; do not use isolation transformer.
Connect one lead of Leakage Current Tester to earth ground.
Touch other lead to all exposed metal parts.

Leakage measurement must be less than 0.5 milliamps.

:PNr