Service Manuals, User Guides, Schematic Diagrams or docs for : NAD T T-762 T-762

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                                                DRAFT DATE: Apr04




SERVICE MANUAL                             NAD




                                     T 762
T 762
                    SOUND RECEIVER
            AV SURROUND




                                     AV SURROUND
                                     SOUND RECEIVER
SAFETY INFORMATION




                     2
SERVICE SAFETY PRECAUTIONS
1. Replacing the fuses

CAUTION:
FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF
FUSE.

Reference Designator                          Part Number                          Description
F751*AH                                       33-0191001-00-88                     Fuse 10A 250V Time Lag 5x20 MM UL/CSA
F751*C                                        33-0181006-00-88                     Fuse 6.3A 250V Time Lag 5x20 MM
                                                                                   UL/CSA/SEMKO/VDE
F752*AH                                       33-0111006-00-48                     Fuse 1.6A 250V Time Lag 5x20 MM
                                                                                   UL/CSA/VDE/SEMKO
F752*C                                        33-0151006-00-48                     Fuse 800mA 250V Time Lag 5x20 MM
                                                                                   UL/CSA/VDE/SEMKO

NOTE:
           <*AH > : USA, CANADIAN MODEL ONLY.
           <*C > : EUROPEAN MODEL ONLY.



2. Safety check out
(Only U.S.A. model)
Before returning the product to the customer, make leakage current or resistance measurements to determine
that exposed parts are acceptably insulated from supply circuit.


             Parts marked with the symbol    are critical with regard to the risk of fire and electric shock.
             Replace only with parts recommended by the manufacturer.




CONTENTS
DESCRIPTION                                                                                                                                     PAGE


SPECIFICATIONS ........................................................................................................................... 4 - 5

REAR PANEL / FRONT PANEL VIEW ................................................................................................. 6

DISASSEMBLY INSTRUCTIONS ......................................................................................................... 7
WIRING DIAGRAM ............................................................................................................................... 8

BLOCK DIAGRAM ................................................................................................................................ 9

ADJUSTMENT POINTS DIAGRAM / AMPLIFIER ADJUSTMENT ..................................................... 10
PCB LAYOUT ................................................................................................................................ 11 - 22

SCHEMATIC DIAGRAM ............................................................................................................... 23 - 38

IC BLOCK DIAGRAM ................................................................................................................... 39 - 47
EXPLODED VIEW ............................................................................................................................... 48

EXPLODED VIEW PARTS LIST................................................................................................... 49 - 50

ELECTRICAL PARTS LIST .......................................................................................................... 51 - 65
PACKING DIAGRAM .......................................................................................................................... 66

VERSION HISTORY .......................................................................................................................... 67
VERSION T762i PARTS LIST                       ........................................................................................................ 68


                                                                          3
SPECIFICATIONS
POWER AMPLIFIER SECTION
Rated distortion          (Rated power level into 8 ohms, THD 20 Hz-20 kHz FL/C/FR)         0.1 %
                          (Rated power level into 8 ohms, THD 20 Hz-20 kHz SL/SR/BS)        0.1 %

Input Sensitivity         (ref. 8 ohms, 1 kHz)                                             220 

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