NAD 116 User manual

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CONTENTS
DESCRIPTION : | _ PAGE
SPECIFICATIONS oc ccccsscneocvinnnnnsinninninniinniannnnnnne oo a
REAR PANEL /FRONT PANEL VIEW......... sida asset Re aaaeie stents a uence pean ae a
BLOCK DIAGRAM......sssssssssssssessssetes pete A oe aaa el eeeeeane
WIRING DIAGRAM cesses fetter esetevcents De gee seeds caste tet tec ce ete
DISASSEMBLY INSTRUCTIONS... ea neuen sinus aeeeoni sSectnasissesetesseauieatreee
IC BLOCK DIAGRAM....ssssssssssesssssseeessssaneeee eee e ea viscosa eettreeteeee tees |
~ SCHEMATIC DIAGRAM. ccccccssssssssssssssssssscessssesescsesesssessssssssssssssve sccecsesessssssssssees n14
PCB LAYOUT (PARTS SIDE)...ssessee ssecsinisieimensiseioa iiiaieitienpicsijee te
EXPLODED VIEW.......s.seeseeceeeee seep eases ete een ee nmr
EXPLODED VIEW PARTS LIST..ssssssssecssssessssssssssessssssessesssnseessensssessunnseeesanete 18
PAS CIS esser teerecer cere tenter stucco eae atone tees 19-21
PACKING DIAGRAM........sscssssecssscsssceccccscssecceccsvessucssscssuvecsessscsssesecsuessscavesussersecsneues 22
PU Sears cpacecetasesesgeas esendootuctlscdecndossenscesecectvssussasseniss-cecsssiseottaeeaetencestacneedill 23
SERVICE SAFETY PRECAUTIONS
1.
Replacing
the
fuses
|
|
|
CAUTION FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH
SAME TYPE OF FUSE.
Reference No. Part Number Description |
F351,F352*AH — —- 8281250800TU Fuse 800mA 250V Time Lag (ULICSA)
F351,F352*C 8251250800TS © Fuse 800mA 250V Time Lag (SEMKO)
NOTE : ° |
<*AH > : USA, CANADIAN MODEL ONLY.
<*C > : EUROPEAN MODEL ONLY.
_ 2, Safety-check out
— (Only U.S.A. model)
Parts marked with the symbol A are Critical with regard to the risk of fire and electric ShOCK.
Replace only with parts recommended by the manufacturer. 7
| Before returning the product to the customer, make leakage current or resistance measurements
to determine that exposed parts are acceptably insulated from the supply circuit. |

_ SPECIFICATIONS
_.
Measured
in
accordance
with
EIA
Standard
RS-490
(IHF
T-202).
PHONO INPUT
Input
impedance
(R
and
C)
AN
steed
catcncestuerernee
ions
47
kohm
+
200pF
|
MG
woeseecee
nr
ener
....
100
ohms
+
1000pF
Input
sensitivity
|
MM
uu.
eceeseseesees
ikal
koecmeutcsaterseteunineaasan?
1.2mV
ref.
0.5V
out
|
WA
tierce
inst
euaueauneats
Scneeisoans
5SmV
ref.
2.0V
out
WS
re
ectecctesc
esis
dwnteoa
age
sumennbacreatiennte:
56uV
ref.
0.5V
out
NG
i
oes
esc
ashectar
ei
cacwetessoaisneseeisaeeneanels
240uV
ref.
2.0V
out
Input
overload
at
20HZ/1kHz/20kHz
|
“3
WA
goo
ciccautiiecansacvclecaressbesiontatanantns
..
20mvV/200mvV/2000mV
AG
gaciecpecte
statin
iui
eee
eeacenatn
1.2mV/12mV/90MV
Signal/Noise
ratio
(A-weighted)
:
WIM
jaesscowtecateeacerncs
.78dB
ref.
0.5mV
(cartidge
connected)
|
WAG
=
destecosrancesctioenecttoniee:
78
GB
ref.
0.5mV
(100
ohm
load)
THD
(20Hz-20kHz)
and
IM
dist.
|
NA
MG
ci
ccrstuiasnssacvetoortincasatenrtiedavariciwetmtens
<0.02%
RIAA
response
accuracy
3
ING
src
spcc
trae
duce
trenasaccaabeaeiaennees
4+
/-0.3dB
LINE
LEVEL
INPUTS
(CD,
Video,
Tuner,
Tape1,
Tape2,
Aux)
input
impedance
(Rand:
©)
<cicisciesictieiaeniccrinena
ct
troce
nti
ane
aut
20
kohm
+
450pF
_
Input
sensitivity
FET
OSV
icimiicecnsiianenvaesewanstnaccaea
Be
ee
eo
80mV
FOL.
2
OV
sciesosanvavssassincticotiakotoeasareneeseatelateneces
cee
300mV
Signal/Noise
ratio,
A-weighted
FEE
SV
eeivckitisccdedecnciacsonasded
eciadansc
eae
noe
98dB
|
|
| |
FOE
2
OV
Sassctsie
inh
docs
nahoeeasse
ne
rneeitaantaanannnersenes
110dB
Frequency
reSPONnSe,
2ZOHZ-2OKHZ
......s.cssssssseesssssssssnssssesssssssnescesssssenssnsssnenessnssnensecnsneasaseee
ae
eeent
+/-0.3dB
VONAGE
CEI
davsnssssicccestases
vier
cavecsu'eabeidsiacewuswustset
vancdabesduceatenbisnsvondteceninoaluliee
Seediern
es
tosShbassnnsateapatannredeceenteeten
16dB
THD
+SMPTE-FIHE
UM.
.........cccccccsesecessesseersneens
ss
ciseepaisatedeeiearaisaein
oeawuanie
ean
dean
taal
geumaetaes
aT
eee
eee
.<0.02%
LINE
LEVEL
OUTPUTS
|
Output
impedance
|
PS
OU
oi
cteiaiketzesdetacais
hv
aeulanndasatanteneeiuaonee
220
ohm
|
df:
|o\-
eee
erent
Cee
Source
Z
+2
kohm
PHONES
c.sciicrdeilieismteeticonetndaleeinnceee
ee
120
ohm
Maximum
output
level
_
|
PEO
au
inscthoadyvincasesuaceteccaunaseebieniruseen
soon
>12V
TAG
vicucuush
erases
thie
eaan
arr
ee
>10V
OMG
Se
aroredseceenetesse
eae:
ev
into
600
ohm
PORES
syccieincernigeuiatisteieenciettnenae:
>250mV
into
8
ohm
PHYSICAL SPECIFICATIONS
Dimensions
in
mm
(Width
x
Height
X
Depth)
|
sieved
ask
Gowns
des
akon
yews
dees
tae
evabaeen
nani
cians
ee
elt
_
435
x85
x310
Flt
eS
ae
ee
cece
ea
ces
sceetnenerataca
sreaee
asta
ce
wea
eu
eee
en
eee
tiene
tenet
tcece
aca
cteet
.
4.2Kg/9.3lbs
SHIDO
IAI
WCIOIN
sssitesesastucieccoctece
sepeecnstatssteciccbeaiiarstatevepnsies
smeis
acauisheedueienearienanets
sees
5.5Kg/12.
1lbs

REAR
PANEL
/FRONT
PANEL
VIEW
WARNING: TO PREVENT FIRE OR ELECTRIC
SHOCK,
DO
NOT
EXPOSE
THIS
APPLIANCE
REAR PANEL
TO RAIN OR MOISTURE.
. TUNER INPUT
1.
MC
INPUT
8
2.
MM
INPUT
9.
TAPE
1
IN,
OUT
3.
PHONO
(GROUND)
CONNECTOR
10.
TAPE
2
IN,
OUT
4.
MC-MM
SWITCH
11.
PRE
1,
2
OUT
5.
CD
INPUT
12,
BALANCED
OUTPUTS
6.
VIDEO
INPUT
18.
NAD-LINKIN,
OUT
—
7.
AUX
INPUT
14.
AC
POWER
CORD
FRONT
PANEL
Stereo Preamplifier 116
TAPE 1
ONITOR TAPE 2 TU
aa GGG6505
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erry
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pst
A
AD
SS:
Ass
Pfs
SS
18
5. BALANCE
6. VOLUME
7. INFRA-RED SENSOR
1. POWER
2. HEADPHONE SOCKET
3. INPUT SELECTORS |
4, TAPE 1/ TAPE 2

_
BLOCK
DIAGRAM
TAPE
2
|
PLAY
(-O}
a
BQ
ee
R
Rec
(0)
=
Hg
&
TAPE
1
3
f
OU
PLAY
O}
oe
:
|
RL281~
S08
laa
|
on
TAPE
1
REC
(O}
4
v
CONTROL_BLOCK
_
snatu
aur
Ui
—
Rik
|
al
a
:
Oo
INPUT
SELECT
SW
AND
DISPLAY]
—
+24
/_
oe
ry
VOLUME
ey,
CONTRO
\bs
r
|
>
|
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___
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|
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7
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Ab
|
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@
240
POWER
S10)
ala
Me
V/
0
4
RL2@9A
rRL2ien
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O-O
RL2e9p
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RL218B
PRE-OUT
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BALANCED
HEADPHONE
AMP
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RLBOIA
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ne
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PHONE
JACK
P.T.

7
D
OUTPUT
.
PRE
PRE
TAPE
2
i
dines
23BU
INK
ce
p
QUT2
OUT1
OUT
IN
|
[eetesenz
|
i
.
|
4
-
i
7
HL
LL
ax
Rezi®
RL209
RL211
RL207
RL2O6
—
RL268
RL2@5
RL204
RL283 RL202
1
3201
|
TQS 1a
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Me
|
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8
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fot
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120
Ji7T.
ee
|
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|=
23ev
3178
rea
nan
CoG
4
| .
F351
Irase2
|
| |
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ail
all]
|
Cie?
C10e8E
RL3O1
C352
Cita
|
Coss
£109
&
al
al
. .
113
114
4+
8
ee
RED 1[G07#22 226mm
BLK 10807#22 220mm
RED 1907#22 220mm
POWER
TRANSFORMER
BLK 2877#26
320mm 6P
= = ct11s ; £116
O| |S C306
MI Im
Mi
1c
:
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tt
#
¢
Fo
co} foo
| |
NAD
116
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1C301
1C302
1C3@3
|
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2877826
280mm
3P
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|
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HEADPHONE
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1
W302
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BLK
2877#26
125mm
8P
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WIRING DIAGRAM.
oat)
|

DISASSEMBLY INSTRUCTIONS
TOP COVER REMOVAL
1. Remove parts in order of disassembly as numbered.
a.@) - @ Machine screws M 4.0x6.0 from the side panels.
b.6) Tapping screw T 3.0x6.0 from the back side.
(See Fig. 1.)
Fig. 1.
2. Pull both sides of TOP COVER outward and then remove in the
direction as indicated by pointer ©. (See Fig. 2.)
Fig. 2.

IC BLOCK DIAGRAM
IC301 IC3@2
786CQ8
1
2PSCR2649
UCNS841A.
3]D3 VEE
IV,
O
a 4 —
D2 | CLOCK} 2 |
D1 SERIAL DATA IN| 3)
De LOGIC GROUND
LATCHES
VVVVYVYVY/Y¥Y
GND LOGIC SUPPLY| 5 |
SHIFT REGISTER
/PGM SERIAL DATA OUT[6_
CLOCK STROBE
CLEAR OUTPUT ENABLE] 8 |
@|
UPP
YEE”
K
es §8-STAGE SHIFT "
S 3 REGISTER
8-BIT STORAGE
REGISTER
3-STATE OUTPUTS 16

SCHEMATIC
DIAGRAM(Phono
Preamp/Power
Supply)
C113 Q107 +24V
220u/25 25C1815
‘ Ri6i ° Ris9
oe
is?7K
|
Lik
NOTES:
Sooete 1. Resistors, unless otherwise specified, are carbon film +/-—-5S% 1/4W.
2 c1is 2. Ceramic capacitors, unless otherwise specified, are SOV +/-5%.
20u/25
25A1015 3. Diodes, unless otherwise specified, are 1N4148.
: 4. Components marked with are safety critical parts.
R105
3K9
C101 _
100u/10 R157
JKiOL 237uUH C103 c14S Bees
< 4 PHR>
: 22u/s0 | >6°
: C147
R163 ? 2200p
z 22K
feiss y @119
C114 2108 4K7 : } +24V
220u/25 2SC1815 | 24
Ri36/|R1i38 Ri6G2 * R160
137K 11K
47n
1000u/16
Q@110
2SA1015
R106
3K9
C102
100u/16 che Soo
C146
C124 : R1ié66
- 10u/50 | PHL
22u/so0 | 769
c148
R164 ? 2200p
22
120
2SA1015
= MM
Cc R148 +29
‘. O
are : -24V
L :
, D354 Ic3S1 Bees I¢354 D364 +18V
\.
1N4002
M3177
IN4002
ppeitzebts
4N4002
.
C199 ecserd TOOL D351 mee
10n C152 C122 AN uN 1N4002
100p
100p
4K?
RL3O1A
ACL F351 -
= rH 3,
cae tes 6 D3s9 D367
AC2 TO.8A 250V 1N4002 1N4002
RL3018
AC2 F3S2 : mae a =
ACO 4 Tr~O 0 D368
>
.
1N4002
1N4002
nq
ACO
An
. SWOOL ci 4
MAINS IN MAINS SWITCH
‘:
4
D352 p3ss
A
A TRANS 116 IN4002 1N4002 o3e5 -18V
. : IN4002
. +R24V ¢
c500 PAN 7 9 —24V
4n? 400V
CLASS X D3S6 IC353 IC356 rf tte +5V
tnaooe M7824 LM780 IN
LK34
2R2
FUSIBLE
: —i+ D369
e 1N4002
7
C353
C364
oA
1000u/50 10u/S0 10u/50
10

SCHEMATIC DIAGRAM(Microprocessor/Switch)
+R24V
()
7PO
R324 @304
10K 4 25C18i1sS
JK3ZOL NKIR
NAD LINK Ngnb 9 2
OUT
(es
Nesy
gd
2
P02 4
IN (0) Ne20———4 §
©)
NPSL" 8
se qs
R390 To
100
R316 3K3
RB17 3K
R306
ak?
+2ay fy
[eto ssC—~—“~*~*~*~‘S q
Nar 4 :
NFS 8
NAO =
@
Nzau 9 &
TO
D301
+24V
+5V pee
()
R343 J303
p312$ | 330 as
: G2
d3
= 10 W303
LK3O1 — NAD +5V
LK302 — NON-NAD
<TH 11
<TH SZ)
mm —<VEED)
NOTES:
1. Resistors, unless otherwise specified, are carbon film +/-S% 1/4W.
2. Ceramic capacitors, unless otherwise specified, are SOV +/-S%.
3. Diodes, unless otherwise specified, are iN4148.
4. Relays, unless otherwise specified, are GY24W-K.
11
iC.
Ol
O
x
Ge
rw
J302
RL203 RL204 RL20S RL207 RL208
f] PANN SOE &
RELAYS :GY24W—-K
R336
10K
Q305
HMUTE 4 2501815
W302
RS
po GN eBay da
P : Seb FG 2
P——Bo 17 NAT 3
Poo Na?
p———5S3-7 Nai
b——pa V7: ee: a
TO J302
RL2i1
COCO OOOOH OHO S CEH OHE DESEO E ES ERSE SHOES OEHOEE ASEH TE RSOSESESOESESSEEHESEOSESEOEETE OV OEEOD
12
RL209
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