
7
DISASSEMBLY INSTRUCTIONS
1.
Remove machine screws M4.0 x 8.0 (1 to 8) from the side panels.
Remove tapping screw 3.0 x 8.0 (9 to 12) from the back panel.
Refer to Figure No. 1.
1
2
3
4
8
9
10
11
12
5
6
7
2.
Pull both sides of the TOP COVER slightly outwards 13 and tilt approx. 35
°
and then remove
in the direction as indicated by the arrow 14. Refer to Figure No. 2.
Figure No. 1
14
13
13
Figure No. 2
Summary of Contents for T 773
Page 1: ...NAD SERVICE MANUAL T 773 T 773 A V Receiver A V Receiver DRAFT DATE 1 MAR 2004 ...
Page 2: ...2 SAFETY INFORMATION AH VERSION C VERSION ...
Page 8: ...8a WIRING DIAGRAM ...
Page 10: ...9 BLOCK DIAGRAM ...
Page 13: ...12 PCB LAYOUT AUDIO BOARD COMPONENT SIDE AUDIO BOARD COPPER SIDE ...
Page 15: ...14 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...
Page 16: ...15 FRONT CENTER AMPLIFIER BOARD COMPONENT SIDE ...
Page 17: ...16 FRONT CENTER AMPLIFIER BOARD COPPER SIDE ...
Page 18: ...17 SURROUND AMPLIFIER BOARD COMPONENT SIDE ...
Page 19: ...18 SURROUND AMPLIFIER BOARD COPPER SIDE ...
Page 20: ...19 KEY BOARD LED BOARD COMPONENT SIDE KEY BOARD LED BOARD COPPER SIDE ...
Page 21: ...20 MAIN BOARD ...
Page 22: ...21 MULTI CHANNEL BOARD COMPONENT SIDE COPPER SIDE TRIGGER BOARD ...
Page 23: ...22 POWER SUPPLY STANDBY ISC FOR FRONT AMP BOARD COMPONENT SIDE COPPER SIDE ...
Page 24: ...23 ISC FOR SURROUND AMP BOARD COMPONENT SIDE COPPER SIDE COMPOSITE VIDEO BOARD ...
Page 25: ...24 PRE OUT BOARD COMPONENT SIDE ...
Page 26: ...25 PRE OUT BOARD COPPER SIDE ...
Page 27: ...26 SPEAKER TERMINAL BOARD POWER SWITCH VIDEO 6 BOARD SECONDARY BOARD ...
Page 28: ...27 S VIDEO BOARD ...
Page 40: ...39 SPEAKER A B ...
Page 41: ...40 DIGITAL IN OUT ...
Page 49: ...47 CS49326 DSP BOARD U1001 CS8415A DSP BOARD U1005 CS4392 DSP BOARD U1025 ...
Page 56: ...54 M61516FP MULTI CHANNEL BOARD U6101 U6102 ...
Page 58: ...56 58 47 24 32 34 45 77 47 55 65 66 78 26 62 59 29 76 39 40 38 23 EXPLODED VIEW ...
Page 59: ...57 168 725 20 7 75 16 250 5 1 61 80 63 72 31 71 68 67 EXPLODED VIEW ...
Page 78: ...76 SERVICE MANUAL T 773 A V Receiver NAD ELECTRONICS LTD LONDON ...