Nad 701 Service Manual

Page 2

TABLE OF CONTENTS

SPECIFICATIONS ................................... 1
REAR PANEL ...................................... 4
FRONT PANEL .................................... 4
ALIGNMENT PROCEDURES
Main Amplifier ---------------------------------- 5
FM Tuner .................................... 6
AM Tuner .................................... 7
Instrument Set-up -------------------------------- 8
[C BLOCK D|AGRAMS ................................. 9
PCB LAYOUTS ..................................... 10
WIRING DIAGRAM ----------------------------------- 13
SCHEMATIC DIAGRAMS
Main Amplifier ---------------------------------- 14
Tuner ...................................... 15
Display/NAB Link -------------------------------- 16
ELECTRICAL PARTS LIST ------------------------------ 17
EXPLODED VIEW ................................... 26
EXPLODED VIEW PARTS LIST ---------------------------- 27
PACKING DIAGRAM .................................. 29

SERVICE SAFETY PRECAUTIONS

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.
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.

99!?

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.

P5993?