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NAD T 752 User Manual

NAD T 752
63 pages
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NAD
SERVICE MANUAL
T 752
T 752
AV SURROUND
SOUND RECEIVER
AV SURROUND
SOUND RECEIVER
DRAFT DATE: 08 OCT, 2002

Table of Contents

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NAD T 752 Specifications

General IconGeneral
Power Output5 x 100 W
Weight20.9 kg
Dimensions435 x 150 x 380 mm
Signal-To-Noise Ratio100 dB
Total Harmonic Distortion< 0.03%
Input Sensitivity200 mV
Tuner BandsAM/FM
Preset Station Qty30
Digital Sound Processor (DSP)Yes
DSP Presets5
Bass ControlYes
Treble ControlYes
HDMINo
Frequency Response20 Hz - 20 kHz
Surround Sound FormatsDolby Digital, DTS
Input Impedance47 kΩ
Speaker Impedance4 - 8 ohms
Amplifier Output Details70W x 7 (8 ohms, 20Hz - 20kHz, 0.08% THD)
Response Bandwidth20Hz - 20kHz

Summary

SERVICE MANUAL

T 752 AV SURROUND SOUND RECEIVER

Model name and description of the audio receiver.

SAFETY INFORMATION

CAUTION / WARNING NOTICES

Important safety warnings regarding electrical shock and proper handling.

SERVICE SAFETY PRECAUTIONS

Replacing the fuses

Guidance on replacing fuses with the correct type to prevent fire hazards.

Safety check out

Procedures for ensuring product safety before customer return, including measurements.

SPECIFICATIONS

POWER AMPLIFIER SECTION

Technical specifications for the power amplifier stage.

DOLBY DIGITAL SECTION

Technical specifications related to Dolby Digital audio processing.

DOLBY PRO LOGIC II SECTION

Technical specifications for Dolby Pro Logic II audio processing.

REAR PANEL / FRONT PANEL VIEW

REAR PANEL CONNECTORS

Identification and description of all connectors on the rear panel.

FRONT PANEL CONTROLS

Identification and description of all controls and indicators on the front panel.

DISASSEMBLY INSTRUCTIONS

Removing the top cover

Step-by-step guide for disassembling the unit, starting with cover removal.

WIRING DIAGRAM

CABLE HARNESS CROSS REFERENCE

BLOCK DIAGRAM

ADJUSTMENT POINT DIAGRAM

AMPLIFIER ADJUSTMENT

Procedures for setting idle current and ISC sensitivity for amplifier channels.

MAIN BOARD

SECONDARY/POWER SWITCH/LED BOARD

SCHEMATIC DIAGRAM

COMPOSITE VIDEO SCHEMATICS

Detailed schematics for composite video signal processing.

AUDIO SWITCH

Schematic for the audio input and output switching circuitry.

COMPONENT VIDEO SCHEMATICS

Detailed schematics for component video signal processing.

POWER SUPPLY (SECONDARY)

POWER SUPPLY (STAND BY)

FRONT / CENTER AMPLIFIER

SURROUND AMPLIFIER

DSP, DIGITAL IN/OUT

MULTI-CH / PRE-OUT

EXPLODED VIEW

EXPLODED VIEW PARTS LIST

ELECTRICAL PARTS LIST

SERVICE MANUAL T752

AV SURROUND SOUND RECEIVER

Product name and type.

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