hfe_nad_705_service.pdf

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NAD
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LLI
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705
RECEIVER
Page
4
CONTENTS
Service Instruction
Specifications
Rear/Front Panel
Remote Control Transmitter
Tuner Adjustment Points
Main Adjustment Points
Instrumentation Connection Diagram
Adjustment Procedure
Main Schematic Diagram
Main PCB Layout
Tuner Schematic Diagram
Tuner & Front PCB Layout
Front Schematic Diagram
IC Block Diagram
Wiring Diagram (A)
Wiring Diagram (B)
Exploded View
Exploded View Parts List
Electrical Parts List
Troubleshooting Guide
Packing Diagram
Packing List
Notes
5
6-7
8
9
10
11-12
13-14
15-16
17-18
19-20
21-22
23-24
25-26
27-28
29-30
31-32
33-34
35-47
48
49
50
51
Service Instructions
TO REMOVE TOP COVER
1 . Remove 4 screws (A) from the left and right sides of the top cover .
(See figure :[)
2 . Remove S screws (B) from the rear panel . (See figure II)
3 . Top cover can now be removed .
SPECIFICATIONS
NAD 705 STEREO RECEIVER
Standard Test Conditions
Reference Output : 1 .OW Into 8 ohm Load
AM Antenna : Firsthand Input
FM Antenna : 75 ohm Balanced
FM Standard Signal : 1 kHz, 75 kHz Deviation At 98 MHz
522 kHz-1611 kHz (520 kHz-1610 kHz)
450 kHz
. 5uV
35dB
50dB
0 .3Z
50dB
88 MHz-108 MHz
10 .7 MHz
. 1 .4mV
90dB
80dB
50dB
77dB
30dB
180mV
OdB
+12dB
+4dB
+9 .5dB
. -9 .5dB
+7 .OdB
. -7 .OdB
O .O1Z
70dB
1 .05V
+odB/-1 .OdB
0±0 .5dB
. -102dB
70
44W
42x9 .5x28 .5 cm
16 .5x3 .7xll .2 inch
6kg (13 .2 lbs)
AC 230V, 50Hz (For UK, VDE, SAA VERSION)
AC 115V, 60Hz (For UL Version)
AM TUNER SECTION
Tuning Range
Intermediate Frequency Sensitivity
20dB Quieting Sensitivity
IF Rejection
S/N Ratio 1 .OmV Input
T.H.D . 1 .OmV Input
AM Stop Sensitivity (At 1000 kHz)
FM TUNER SECTION
Tuning Range
Intermediate Frequency
50dB Quieting Sensitivity
IF Rejection
S/N Ratio 1mV Input 75 kHz DEV .
MPX Separation (At 1 kHz)
MPX S/N Ratio 1mV
FM Stop Sensitivity (At 98 MHz)
PRE-AMPLIFIER SECTION
Sensitivity At 1 kHz Output=lV
Frequency Response
Loudness Control (20 Hz)
Volume=30dB
(20 kHz)
Base 1
Boost (50 Hz)
Cut
(50 Hz)
Boost (10 kHz)
Midrange
Cut
(10 kHz)
POWER AMPLIFIER SECTION
Rated T .H .D .
Channel Separation (At 10 kHz)
Sensitivity At 1 kHz For 40W Output
Frequency Response 20 Hz
50-20 kHz
S/N Ratio 1W Output A-WTD
Damping Factor At 50 Hz, output=lW
0 .032 T .H.D . Power Output At 8 ohm Load
PHYSICAL SPECIFICATIONS
Width x Height x Depth
Net Weight
Supply Voltage
REAR PANEL CONNECTIONS
WARNING : TO PREVENT FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE .
PR NO
G N
OEM
FM 750 AM
G
ANTENNA I
VIDEO
SOUND AUX
TAPE 1
IN
OUT
TAPE 2
IN
OUT
MULTI
ROOM
OUT
OEM
PRE
OUT
MAIN
IN
L
R
N
+
OUT
SOFT
. .NAD CLIPPING
ON OFF
A
MIMI
PRONO CO
L
R
0M
IN
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B
III
16
The exclamation point within an equilateral triangle is intended
to alert the user of the presence of important operating and
maintenance (servicing) Instructions in the literature
accompanying the appliance
10
12
The lightning flash with arrowhead . within an equilateral
triangle, is intended to alert the user of the presence of
unnsulated dangerous voltage within the products enclo
sure : that may be of sufficient magnitude to constitute a
risk of electric shock to persons
REAR PANEL CONNECTIONS
1 . AM ANTENNA TERMINALS .
2 . FM ANTENNA INPUT .
3 . PHONO GROUND .
4 . PHONO INPUT .
5 . CD INPUT .
6 . VIDEO SOUND INPUT .
7 . AUX (AUXILIARY INPUT) .
8 . TAPE 1 IN/OUT .
9.
10 .
11 .
12 .
13 .
14 .
15 .
16 .
17 .
TAPE 2 IN/OUT .
MULTI-ROOM OUTPUT .
PREAMP OUT/MAIN IN .
NAD LINK IN/OUT .
SOFT CLIPPING .
"A" SPEAKER TERMINALS .
"B" SPEAKER TERMINALS .
AC POWER CORD .
AC OUTLETS

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