Nad 304 Service Manual

Page 2

TABLE OF CONTENTS

SPECIFICATIONS ................ 1 .............................. 3.4
REAR PANEL CONNECTIONS ...................................... 5
, FRONT PANEL FUNCTIONS ....................................... e
ALIGNMENT PROCEDURE ........................................ 7
EXPLODED VIEW PARTS LIST ............................... s and 13
WIRING DIAGRAM .................... . ........................... 9
SCHEMATlC DIAGRAM .......................................... 1o
PCB LAY-OUT .................................................. 11
EXPLODED VIEW ..... ' .......................................... 1 2
ELECTRICAL PARTS LIST ..................................... 14-18
PACKING DIAGRAM ............................................. 19

C

For Service Manuals Contact
MAURITRDN TECHNlCAL SERVlCES
8 Cherry Tree Rd, Chinnor

Oxon OX9 4QY

SERVICE SAFETY PRECAUTIONS was

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

Touch other lead to all exposed metal parts.
Impedance measurement must be 0.3 - 5.0 Megohms.

PPN.

. Leakage test, live":

Plug unit directly 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.

PSNT

Page 9

WIRING DIAGRAM

FOR AH vsfism

FOR :1 a an A VERSION

For Service Manuals Comact
MAURITHON TECHNICAL SERVICES
8 Cherry Tree Rd, Chinnor
Oxon OX9 4QY
Tolt- 01ML351694 Fax» 01844852554
Email:- enquiries®maumranmuk

POWER 5w

EXTRA
SPEAKERS

03H

151cm
NMOHB