NAD 116 User manual

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CONTENTS
DESCRIPTION PAGE
SPECIFICATIONS tis csceescisscchsess aovoocturesdlavsdavsaneatavetadegeaeae ea dateseaaa ees ieteals vd
REAR PANEL /FRONT PANEL. VIEW lcsccstesscsesssctsauteiasedsreendteventncnssadacnesscasavesicrenrnteait 4
BLOGK DIAGRAM iscsossisssnetcescnsssesasevaceestesnveteransnian Uywectabaire ite ct otccacee tered egetneaaes 5
WIRING: DIAG RAI cee sess dis sesesedtnesosicaveslvnateataansceetarebaccencie anita ah kinetin arestovcapadecaesaige? 6
DISASSEMBLY INSTRUCTIONS aS edoslanaaataus ase cacti see taiandes Careusiwd Danes cnamtacitonse nceGaacernamare) 7
IG BEOCKIK DIAG RA Masses ssscctccrecssiecia sas tapienesavtaiaarncasnsasaseiesaaveranetase emu nears 8
SCHEMATIC: DIAGRAM isciscsseascensesanteareacavereuaiainany akestudteice sedeemnsedenkers ete dee 9-14
PCB. LAYOUT. (PARTS SIDE) cicss. cistscasssstesacasscasnesevnacslesecisracnssoseushecetecctaamtuevers eons 15-16
EXPLODED VIEW scicconiesivcteassssvaccersavess daonacansessageveneevedaeanee negesin tas ans tveeteevaaehesanens 17
EXPLODED VIEW PARTS: EIS Ts vceccexscaseyteosnesneeanices aaetcocenens aicapeetietsas cerita! egetuendaets 18
BARES EIS [etsnsstetecssventeencat atciacnncniistatluntenienars sepiesiivsiansawasgunden ipauatnaaen@easieeantieeseas 19-21
PACKING: DIAGIRA IN: ssiccsd foccsseaphcateeeeccts sees strate nazenwetbaeseashapcnscelieatdesampasuaedararategatty 22
POS cassette cat ec aekceake stated cence tusees eae anette cme tte eate i seegeacn eae eats reeatceauens 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 32S81250800TU Fuse 800mA 250V Time Lag (UL/CSA)
F351,F352*C 32S1250800TS 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.
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)
(NES
eect
eas
ac
imantantet
47
kohm
+
200pF
WMG
ccs
usicedomanieinesetectieduaiais
100
ohms
+
1000pF
Input
sensitivity
MM
recciseaieedpiast
suse
aaileias
snusananmncugaueaonerone
1.2mV
ref.
0.5V
out
MG
cece
cata
article
kote
csnctatetaminer
5mV
ref.
2.0V
out
WG
te
ctidiinacinieerdinca
eas
56uV
ref.
0.5V
out
MAG
seve
biseateeiivcsinanteees
devs
ts
ete
eteaeah
eee
240uV
ref.
2.0V
out
Input
overload
at
20Hz/1kHz/20kHz
MMisouccssccisteesaiebitecheecnd
tis
eseeteebaes
20mV/200mV/2000mV
WC
sieicctennein
lsat
adiaee
ees
1.2mV/12mV/90mV
Signal/Noise
ratio
(A-weighted)
Mi
rcccenituageaciaes:
780B
ref.
0.5mV
(cartidge
connected)
MGs
iuccnceetaeneniines
78
CB
ref.
0.5mV
(100
ohm
load)
THD
(20HZ-20kHz)
and
IM
dist.
MM/
MC
.......cccccccsescscsssssesesceececceesceeseraeaasaeeene
a
seeeenes
<0.02%
RIAA
response
accuracy
NANG
eis
rcnde
sa
Got
as
ath
Senne
nceanmanetecepeae
4+/-0.3dB
LINE
LEVEL
INPUTS
(CD,
Video,
Tuner,
Tape1,
Tape2,
Aux)
inpub
impedance
dP
and
C)sscccscsc
dacrinnencavncsavnauiieniadronnmmnsnt
a
anaunins
20
kohm
+
450pF
Input
sensitivity
POE
OV
oa
sisccvesiaiccasgeeeesssyiensseievshatucenieive
soeeatsena
anes
oaaaees
80mV
FO
2
OV
hciciacrataveiindeatacunean
meee
300mV
Signal/Noise
ratio,
A-weighted
FOROS.
cosecess
cossvhastoluacerucSancdens
aeons aegis
gotocorink
98dB
.
.
POT
OV
avec
ates
sie
Weis
cade
sano
ccee
ai
ocaeea
iniaeescuenes
110dB
Frequency
response,
2OHZ-2OKHZ
........sssssssssssessssssssssseessssssssssssesssersnssnessecsnsessensesneenseestenvenseeseeesee
+/-0.30B
VON
GS
Calls
incaies
Scasszysriseecdoners
scoters
nthe
ie
oceans
ldactiieshanpeann
eta
ennianneance
ere
16dB
TED
se
SIM
PT
EAA
Fa
tsps
seve
Si
deca
reais
en
ceva
becdatecciniha
ea
sda
eodaay
tees
mantis
cad
vabvascabelauwnanauseaas
seats
.<0.02%
LINE
LEVEL
OUTPUTS
Output
impedance
PAPE
LIE
scesssnacenatsccenetesheypunsaesastcctansancdvsecdaneted
raters
220
ohm
TAD
aciznctaiancaa
nae
Source
Z
+2
kohm
PROMOS
“a
csscticcescisicaiscpdveveds
sgusstasentionbieceresteceeaeae
sates
120
ohm
Maximum
output
level
PRO
OUT
cp
sivesecec
asia
satis
easvtanteaeebsnteensal
ogediimronecnsnteseo
3e
>12V
TADS
sites
issieteinseta
i
tinutia
ised
anainiaudedinnincse
rere
>10V
PHONOS
eeseedicvemcdcidecuntais
eel
tearuaaas
>8V
into
600
ohm
PHIGROSs
vs siessicctsasicadusticvesamancraies
>250mV
into
8
ohm
PHYSICAL SPECIFICATIONS
Dimensions
in
mm
(Width
x
Height
X
Depth)
oc
ceeessesesecnesssesnesesesssssnssensseseseaessseacseesaee
_
435
x85
x310
Net
Welch
sos
alsasesscecenizat
tinea
letviuhsoleenclt
ceeavtiniatorocatan
analmatn
Sanat
fiatiuttinuied
A
eral
e
se
S
Hipp
irvh
Wel
GIA
saz.
cece
secsstsis
axe
erie
iscancec
uve
oi
conatrarce
pinata
avaianeeapet
atevane
Mnkackaleleangieitidees
5.5Kg/12.
1lbs

REAR
PANEL
/FRONT
PANEL
VIEW
REAR
PANEL
WARNING:
TO
PREVENT
FIRE
OR
ELECTRIC
SHOCK,
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE.
1,
MC
INPUT
8.
TUNER
INPUT
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
13.
NAD-LINK
IN,
OUT
7.
AUX
INPUT
14,
AC
POWER
CORD
FRONT
PANEL
Stereo Preamplifier 116
1.
POWER
5.
BALANCE
2.
HEADPHONE
SOCKET
6.
VOLUME
3.
INPUT
SELECTORS
7.
INFRA-RED
SENSOR
4.
TAPE
1/
TAPE
2

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AMP
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BALANCE
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HEADPHONE
AMP
-
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|
PHONE
JACK
TUNER
{
O
O
TAPE PLAY
>
ene
st
|
POWER
i
iehaerwciireeerieeas
SUPPLY
TAPE 1
REC
INPUT
SELECT
SW
AND
DISPLAY
BLOCK
DIAGRAM

AC
IN
NAD
BALANCED
QUTPUT
PRE
PRE
TAPE
2
TAPE
i
TUNER
AUX
VIDEO
cD
PHONO
A
PHONO
Hieusepae.
—
INS
‘7
.
ouT2
OUTi
out
IN
OUT
IN
MM
22
MC
poled
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SH181
LL
LH
MM/MC
AC
CORD
i
RL216
RL209
RL211
RL207
RL266
RL268
RL2@5
RL204
RL2G3 RL202
1
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C108
RL3@1
7
C352
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C110
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C353
CO
BLK
2877#26
320mm
GP
N A
[.)
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cs ce
C386
RED 1907#22 220mm
BLK 1097#22 220mm
RED 108°#22 220mm
POWER
TRANSFORMER
|
NAD 116
1C3@1
1C302
IC363
fr
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=)
WHT 1617#18 388mm
BRN 1617818 388mm
POWER SH
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W201
HEADPHONE
BLK 2877#26
125mm 9P
aces
|
cant
2h
iy
_il
BLK
2877826
260mm
SP
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VOLUME
i
Porpses
;
P201
1
T_
J3a2
BALANCE
33
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|
WIRING DIAGRAM
Tl ie

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
IC3Q1.
1C3@2
Z86C@812PSCR2649
-
UCNS841A
D4
D3
VEE
D5
|
2
|
D2
CLOCK
pe
[
3
|
D1
SERIAL
DATA
IN|
3
|
ped
V
aaa
ie} oO
C om 4a =
DO _
D7
De
LOGIC
GROUND
4
|
ucc
[
5
|
GND
LOGIC
SUPPLY|
5
|
N/C
{6
|
/7PGM
SERIAL
DATA
OUT]
6
|
/CE CLOCK STROBE
LATCHES
VVVVVVY\
SHIFT REGISTER
/0E | 8 | CLEAR OUTPUT ENABLE] 8 |
EPM | 9 | UPP VEE| 9 |
IC303
’%4HC4094
IC304¢
LB164%2
ars
ae REGISTER =e
ee wee
8-BIT STORAGE
REGISTER
3-STATE OUTPUTS
Input aaa
ae

SCHEMATIC DIAGRAM(Phono Preamp/Power Supply)
c113 107 : +24V
220u/25
25¢1815
:
Ri6i <
. Riso
137K OF
Lik
¢107
1000u/16
1.
Resistors,
unless
otherwise
specified,
are
carbon
film
+/“—5%
1/4W.
c1is
220u/25
2. Ceramic capacitors, unless otherwise specified, are SOV +/-5%,.
25A1015
3.
Diodes,
unless
otherwise
specified,
are
1N4148.
4. Components marked with are safety critical parts.
R105
3K9
cio
100u/10 agis
JK1L01 237uH C103 C145
Mc 100n | Ries
22u7so | 569
6147
R163? 2200p
22K
25A1015
+24V
d 6
Ris6 |R138 RiG2 * R160
137K 1ik
4?n
1000u/16
110
25A1015
R106
3K9
C102
100u/10 Raoe Riee
146
y R166
| FHL >
22urso0 | 569
148
R164 ? 2200pP
22K
I @120
25A1015
+24V
d 6
-24y
D354 Ie3ss1 pees D364 +18V
4AN4002
M3177
1N4002
M78L.18
LN4002
0
| | ° "8"
199 Feaedt | TOOL ; Dz51
10n C152 C122 A A 1N4002 j2
‘ioop] 100e 4K? a eaTk
=2 cL F351 5
7 OO caaaee D359 ' D367
TO.8A 250V 1N4002 1N4002
RL301B
c2
F352
52.
F
=
6 360
oO © D368
TO.8A 250V 7 aes NAD
, aN Omi s$—224LM
: < swoo1
MAINS IN MAINS SWITCH 4
u | D352. 355 vi J
A TRANS 116 ; AN4002 1N4002 ings 1N4002 ps3es -&v
7 1N4002
; +R24V
500 AN ( GO —24y
4n7 400V
cLass x pase Ie353 dsss. +5V
1N4002 MPe24 im4o02
: 1N4
poe
>
2R2
1 < [2 FUSIBLE
+ C369 mc
tt, C362 — D361 100n D369
100n 1N4002 1N4002
$353 0364 C372
1000u750 10u/50 10u/50

SCHEMATIC DIAGRAM (Microprocessor/Switch)
+R24V RELAYS :GY24W-K
y RL204 R202 RL203 RL204 RL205 RL206 RL207 RL20e RL211 RL209 RL210 RL3O1
R336
10K
esos
HMUTE
>
y
28C1815
JK3OL R a
NAD LINK p4, Nex 4 2
ouT (9) R310 Sa: < z
Nese 9 § A
Negi 9 8 S
POO__d 3 é
IN (e Ne 20d? 2
: NEz2 9 g
ds e
R390
TO
W301
TO
ee
O02
100
R306 ;
4K?
302
hovistbacttiaidast
cos
tccctecssCansetes
a
+24v_ 7
Zen 4 3
N Zeb a &
A) op ese lE CANONS Geet estates waaren bas hia eeraae ln :
R321 3K3 ti4—d 5 N@D116H H
G Gs :
R322
3K3
ie
zZ
Jk254
H
TO W302 i
D301 ;
+24V ;
O :
30° HEADPHONES
IRI
i
LK301L —- NAD Vv
LK302 — NON-NAD
<ENT
<IN-Z]
—<VEED]
NOTES:
1. Resistors, unless otherwise specified, are carbon film +/-5% 1/4H.
2. Ceramic capacitors, unless othervise specified, are SOV +/-5%.
3. Diodes, unless otherwise specified, are 1N4148.
4. Relays, unless otherwise specified, are GY24W-K.
11
:
12