NAD 216 Service Manual

SERVICE MANUAL
©
=
WN
=
+
=
Nl
am
LL
a
af
oz
cc
—_
Y
SERVICE SAFETY PRECAUTIONS (UL)
1. Use exact replacement parts for critical locations marked ANG
2. Return lead dress to original position and re-install protective covers.
3. Before returning to customer, test for shock hazard; use either mothod A or B:
A. Leakage test “cold”:
1. Unpiug the AC cord; turn power switch ON.
2. Connect one lead of High Voltage Insulation Tester to both prongs of the AC plug.
3. Touch other lead to all exposed metal parts. :
4. Impedance measurement must be 0.3-5.0 Megohms.
B. Leakage test, “live” :
1. Plug unit directly into the AC outlet: do not use isolation transformer.
2. Connect one lead of the Leakage Current Tester to earth ground.
3. Touch other jead to all exposed metal parts.
4, Leakage measurement must be less than 0.5 milliamps.
214/216 ©
STEREO POWER
AMPLIFIER

NAD 216 Specifications

General

Gain	29 dB
Total Harmonic Distortion	<0.03%
Damping Factor	>100
Input Sensitivity	1.1V
Frequency Response	3Hz to 100kHz

Summary

Service Safety Precautions

Electrical Leakage Test Procedures

Details procedures for performing cold and live electrical leakage tests to ensure user safety.

Specifications

Stereo Mode Specifications

Bridge Mode Specifications

Front Panel Overview

Front Panel Controls and Indicators

Safety Alerts

Important safety warnings concerning electrical hazards and product servicing.

Rear Panel Overview

Rear Panel Connections and Switches

Wiring Diagram

Schematic Diagrams

214 Power Amplifier Schematic

Detailed schematic diagram for the NAD 214 stereo power amplifier.

216 Power Amplifier Schematic

Detailed schematic diagram for the NAD 216 stereo power amplifier.

Electrical Parts List

Alignment Procedure