Nad M-17 Service Manual
DRAFT DATE: DEC. 2009
LAUNAM ECIVRES
NAD
M17
M17
AV Surround sound Preamplifier
AV Surround sound Preamplifier
CONTENTS
DESCRIPTION
SPECIFICATIONS
WIRING DIAGRAM
BLOCK DIAGRAM
SPECIAL FUNCTION
DETAILS & WAVEFORMS ON SYSTEM & TEST & DEBUGGING
PCB LAYOUT
SCHEMATIC DIAGRAM
ELECTRICAL PARTS LIST
EXPLODED VIEW
EXPLODED VIEW PARTS LIST
PACKING ACCESSORY SECTION
PAGE
3
4-5
6-12
13
14-15
16-39
40-73
74-94
95
96
97
SPECIFICATIONS
CONNECTIONS M17
HDMI Up to 1080p
Optical 3 Vpp
Coaxial
Ethernet RJ45 10/100 Ethernet Tx
LINE LEVEL INPUT
Input Impedance (R and C) 56kΩ + 220pF
Input Sensitivity
Maximum Input Signal >8Vrms
Signal/Noise Ratio, A-weighted
Channel Separation >70dB (ref. 1kHz / 10kHz)
Frequency Response
Frequency Response (subwoofer out) 10 - 200Hz (ref. -3dB)
OUTPUT
XLR >2Vrms
Maximum output level >8Vrms into 600Ω
THD (CCIF IMD, DIM 100) <0.005% (ref. 20Hz - 20kHz, 2V out)
Tone Controls
GENERAL
Standby power <0.5W
Unit Dimension
Net weight 10.9kg (24lb)
Shipping weight 17.5kg (38.6lb)
Treble
Bass
(WxHxD) - Gross*
0.5 Vpp
40mV (ref. 500mV out)
>90dB (ref. 500mV in, 500mV out, volume set to unity gain)
>80dB (ref. 2V out, volume maximum)
±0.3dB (ref. 20Hz - 20kHz, Tone Active)
±0.3dB (ref. 20Hz - 20kHz, Tone Defeat)
±10dB at 10kHz (ref. 2V in, 2V out)
±10dB at 100kHz (ref. 2V in, 2V out)
435 x 156 x 386mm
17 1/8 x 6 3/16 x 15 1/4 inches**
* Gross dimensions include feet, extended buttons and rear panel terminals.
** Non-metric measurements are approximate. NAD Electronics will not assume any liability for errors being made by retailers, custom installers,
cabinet makers, or other end users based on information contained in this document.
Note: Installers should allow a minimum clearance of 55mm for wire/cable management.
WIRING DIAGRAM
WIRING DIAGRAM PARTS LIST
ITEM Part Number Description Remark
1 14-11506-01 CABLE L=120mm PSUB to connect board
2 14-11506-00 CABLEL=240mm PSUB to connect board
3 14-11502-02 CABLE L=120mm PSUB to connect board
4 14-32220-11 CABLE CON7001
6 14-11506-02 CABLE L=100mm FPP to Encoder board
7 14-11508-00 CABLE L=250mm PSUA to connect board
8 14-11504-00 CABLE ,L=180mm PSUA to connect board
9 14-11502-01 CABLE ,L=100mm PSUA to power switch
10 14-11520-00 CABLE L=380mm CON9000,CON6006
11 14-11503-00 CABLE L=100mm con4001 to con4002
12 14-11503-00 CABLE L=100mm con4003 to con4004
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TOUCH KEY
U7003
CY8CMBR2044
M17 FPP BOARD
UMSH-8253MD-3T
TFT-LCD WITH TOUCH
CN7001
J7000
LCX244
HCT244
U7002
U7004
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PIC16LF1503
TO LCD DRIVER BOARD
CONTROL LED
PIC32MX695F512L
J115
2 1
UU1
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TO IO Board CON6004
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REC OUTPUT
ZONE2 OUTPUT
CON6005
CVBS
Y
U
V
SPECIAL KEYS
Function Keys Notes
Factory Reset AH Source Down + Tone Defeat
Factory Reset C Source Up + Tone Defeat
Toggle IR Channel Source Down + Power
Check Version Info Source Down + Source Up MCU, DSP, and VXP versions.
Video Reset Listening Mode + Tone Defeat
VFD Test Source Down + Display/Info Lights up the entire VFD display
Video Mode Source Down + Tone Controls Check Video Resolution
DETAILS & WAVEFORMS ON SYSTEM & TEST & DEBUGGING
Video Wave
(1) Test the signal of S MONITOR OUT by the wave of
oscilloscope. Video source is 100% color Bar
(a) Target, Y-signal
Point : S_video Y
Adjustment Value :
Waveform
Y-signal of S MONITOR OUT
(b) Target, C-signal
Point : S_video C
Test Value :
Waveform
700 ±70mV
Y
286 ±28mV
(c) Target, PR/CR-signal
Point : Component PR/CR
Test Value :
Waveform
700mV
*700 ±70mV
PR/CR
PR/CR-signal COMPONENT OUT
C
C-signal of S-MONITOR
(2) Adjust the signal of COMPONENT OUT by the wave
of oscilloscope.
(a) Target, Y-signal
Point : Component Y
Test Value :
Waveform
700 ±70mV
Y
Y-signal COMPONENT OUT
(b) Target, PB/CB-signal
Point : Component P
Test Value :
Waveform
*700 ±70mV
PB/CB
PB/CB-signal COMPONENT OUT
B/CB
AUDIO OUTPUT TO AUDIO DAC
CHI1 BITCLOCK
CH2 LRCLOCK
AUDIO OUTPUT (1KHZ 0DB)
PCB LAYOUT
DSP BOARD - COPPER SIDE
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C5020
C5011
C5010
C5019
C5013
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KEYBOARD - COPPER SIDE
18
KEYBOARD - COMPONENT SIDE
VIDEO BOARD - COPPER SIDE
VIDEO BOARD - COMPONENT SIDE
AUDIO 7_1 BOARD - COPPER SIDE
AUDIO 7_1 BOARD - COMPONENT SIDE
DAC BOARD - COPPER SIDE
3171C
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C1720
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8071C
3371C
2371C
C1586
2171C
7071C
DAC BOARD - COMPONENT SIDE
6081C
DGND
C1517
9151C
U1521
5051R
9551C
2651C
8051R
6451C
3051C
9081C
0181C
U1502
C1585
8851R
1451C
L
C1584
R1526
C1501
C1500
8451C
7271R
5051C
1051R
2051C
0051R
4051R
8551C
1651C
4551C
7051R
U1503
U1501
U1508
R1527
C1582
C1583
U1509
R
AUDIO INTERFACE BOARD - COPPER SIDE
AUDIO INTERFACE BOARD - COMPONENT SIDE
I / O BOARD - CO33(5 SIDE
I / O BOARD - CO0321(17 SIDE
LED DRIVER- COPPER SIDE
28
LED DRIVER- COMPONENT SIDE
29
PSU A BOARD - COPPER SIDE
PSU A BOARD - COMPONENT SIDE
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