NAD MONITOR Series User manual

SERVICE
—
MANUAL
~
MONITOR
SERIES
3400
INTEGRATED
AMPLIFIER

NAD
3400
SERVICE
MANUAL
CONTENTS
sO
ON
FP
WN
18.
23.
Safety
Notice
Rear/Front
View
Specifications
Remote
Control
Transmitter
Main
Amp,
Preamp
Alignment
Schematics,
Foil
Diagrams
Version
Voltage
A
120
Al
120
B
240
B1
240
C
220
C1
220
C/S
220
SERVICE
SAFETY
PRECAUTIONS
(UL)
Wiring
Diagram
Exploded
View
Exploded
View
Parts
List
Electrical
Parts
List
Country
USA
Canada
UK
Australia
Europe,
others
W.
Germany
Scandinavia
1.
Use
exact
replacement
parts
for
critical
locations,
marked
“A\”
on
parts
list.
2.
Return
lead
dress
to
original
position,
and
re-install
protective
covers.
3.
Before
returning
to
customer,
test
for
shock
hazard;
use
either
method
A
or
B:
A.
Leakage
test,
“cold”:
1.
Unplug
AC
cord,
turn
power
switch
ON.
2.
Connect
one
lead
of
High
Voltage
Insulation
Tester
to
both
prongs
of
AC
plug.
3.
Touch
other
lead
to
all
exposed
metal
parts.
4.
Impedance
measurement
must
be
0.3
-
5.0
Megohms.
B.
Leakage
test,
“live”:
1.
Plug
unit
directly
into
AC
outlet;
do
not
use
isolation
transformer.
2.
Connect
one
lead
of
Leakage
Current
Tester
to
earth
ground.
3.
Touch
other
lead
to
all
exposed
metal
parts.
4.
Leakage
measurement
must
be
less
than
0.5
milliamps.

ATTENTION:
REAR
PANEL
CONNECTIONS
—
1.
AC
LINE
CORD.
8.
CAPACITANCE
SELECTOR.
15.
INFRASONIC
FILTER.
SS
Goce
eo
2.
AC
OUTLETS.
9.
TUNER
INPUT.
16.
SOFT
CLIPPING.
Serer
sens
sien
our
3.
SPEAKERS
A.
10.
VIDEO
SOUND
INPUT.
17.
BRIDGING.
ores
4.
SPEAKERS
B.
11.
CD
INPUT.
18.
SPEAKER
IMPEDANCE.
5.
GROUND.
12.
TAPE
1
INPUT/OUTPUT.
6.
PHONO
INPUT.
13.
TAPE
2
INPUT/OUTPUT.
7.
MM/MC
SELECTOR.
14,
PREAMP
OUT,
MAIN
IN.
5
4
3
Ln!
senmaune
4
OMe
A
ORIOU
8
MPEDANCE
{—)
MONO
+
enum
core
A
ANoreT
@
“C(NORMAL)
80.
G8GH)
6
7
8 9
10
11
12
13
14
15
17
16
182
1
uninsulated
“dangerous
voltage”
within
the
product's
enclo-
maintenance
(servicing)
instructions
in
the
literature
sure;
that
may
be
of
sufficient
magnitude
to
constitute
a
accompanying
the
appliance.
The
lightning
flash
with
arrowhead,
within
an
equilateral
The
exclamation
point
within
an
equilateral
triangle
is
intended
(
triangle,
is
intended
to
alert
the
user
of
the
presence
of
to
alert
the
user
of
the
presence
of
important
operating
and
tisk
of
electric
shock
to
persons.
FRONT
PANEL
CONTROLS
1.
POWER.
8.
TREBLE.
15.
BALANCE.
2.
PHONES.
9.
TREBLE
RANGE.
16.
VOLUME.
3.
SPEAKERS
A/B.
10.
TAPE
COPY.
17.
STATUS
INDICATORS.
4.
BASS
EQ.
11.
TAPE
1,
TAPE
2.
5.
BASS
RANGE.
12.
INPUT
SELECTOR.
6.
BASS.
13.
MONO.
7.
TONE
CONTROL
BYPASS.
14.
LOW
LEVEL.
1
17
Monitor
Series
Stereo
Ampiitier
3400
POWER
ENVELOPE
2
3°44
~«
5 6
7
8
9
10
11
12 13
14
15 16

SPECIFICATIONS
Note:
Specifications
are
measured
in
accordance
with
EIA
Standard
RS-490
(IHF
A-202).
Measurements
re-
ferenced
to
80
are
taken
with
the
Speaker
Impedance
Selector
set
to
“80
(High).”
Measurements
for
4
and
2
ohms
are
taken
with
the
Impedance
Selector
at
“40
(Normal).”
POWER
AMPLIFIER
SECTION
STEREO
MODE
CONTINUOUS
AVERAGE
POWER
OUTPUT
INTO
8
OHMS
(Min.
RMS
power
per
channel,
20Hz-20kHz,
both
channels
driven,
with
no
more
than
the
rated
distortion)
Rated
Distortion
(THD,
20Hz-20kHz)
Clipping
power
(maximum
continuous
power
per
channel)
IHF
Dynamic
Headroom
at
8
ohms
IHF
Dynamic
Power
(maximum
short-term
power
per
channel)
Slew
Factor
Siew
Rate
Damping
Factor
(ref.
8
ohms,
50
Hz)
THD
(Total
Harmonic
Distortion,
20Hz-20kHz,
from
250mW
to
rated
output)
SMPTE
I.M.
(Intermodulation
Distortion,
60Hz
&
7kHz,
4:1,
from
250mW
to
rated
output)
IHF
I.M.
(CCIF
IM
Distortion,
19
&
20kHz
at
rated
output)
Input
Impedance
Input
Sensitivity
for
1W
out/for
rated
power
Voltage
Gain
Frequency
Response
Lab
Input
Signal/Noise
Ratio,
A-weighted
BRIDGED
(MONOPHONIC)
MODE
CONTINUOUS
AVERAGE
POWER
OUTPUT
INTO
8
OHMS
(Min.
RMS
power
,
20Hz-20kHz,
with
no
more
than
the
rated
distortion)
IHF
Dynamic
Headroom
at
8
ohms
8
ohms
8
ohms
4
ohms
2
ohms
100
W
(20
dBW)
0.03%
130
W
+5.7
dB
370
W
400
W
440
W
>50
>30
V/usec
>100
<0.03%
<0.03%
<0.03%
R
=
20k.
C
=
600
pF
100mV/1.0V
X28
(29
dB)
3
Hz
to
100
kHz
+0,
-3dB
98
dB
ref.
1W
118
dB
ref.
100W
300
W
(24.7
dBW)*
+4.3dB

IHF
Dynamic
Power
(maximum
short-term
8
ohms
power
)
4
ohms
PREAMPLIFIER
SECTION
PHONO
INPUT
Input
Impedance
MM:
MC:
Input
Sensitivity
(1
kHz)
MM:
Mc:
Input
Overload
at
20
Hz/1kHz/20kHZ
MM:
MC:
Signal/Noise
Ratio,
IHF
A-weighted,
MM:
with
cartridge
connected
MC:
THD
(20Hz-20kHz)
and
IM
distortion
at
+30dB
level
RIAA
Response
Accuracy
LINE
LEVEL
INPUTS
(Tuner,
CD,
Video,
Tape)
Input
Impedance
Input
Sensitivity
ref.
1W/rated
output
Maximum
Input
Signal
Signal/Noise
Ratio,
A-weighted
Frequency
Response,
20Hz-20kHz
OUTPUTS
Preamp
Output
Impedance
Tape
Output
Impedance
Maximum
Output
Level
Tape
Output
Infrasonic
Filter
800
W
(29
dBW)
880
W
(29.4
dBW)
R
=
47
kQ,
C
=
100/200/300
pF
R
=
100.9,
C
=
1000
pF
0.22
mV
0.011
mV
20
mV/180
mV/1.6
mV
0.8
mV/8
mV/80
mV
80
dB
ref.
5
mV
78
dB
ref.
0.5
mV
<0.04%
+0.5
dB
R
=
50k0
C
=
250
pF
15
mV/150
mV
10V
96
GB
ref.
1W
116
dB
ref.
1OOW
+0.3
dB
60020
10002
(buffered)
10V
~—3
dB
at
14
Hz
12
dB/octave

CONTROLS
Treble
Bass
Bass
Equalization
Infrasonic
Filter
(switchable)
Audio
Muting
(low
level)
PHYSICAL
SPECIFICATIONS
Width
x
Height
x
Depth
Net
Weight
Shipping
Weight
Power
Consumption
+12
dB
at
3,6
or
12
kHz
+12
dB
at
50,
100
or
250
Hz
+3
dB
at
60
Hz
+6
dB
at
36 Hz
—3
dB
at
12
Hz
12
dB/octave
—20
dB
43.5
x
12
x
38.5cm
(17.1
X
4.75
X
15.2
in.)
11
kg
(24.25
Ib)
12.6
kg.
(27.75
Ib)
50/60
Hz
at
110,
220,
or
240
V.
390
VA
Specifications
are
those
in
effect
at
the
time
of
printing.
NAD
reserves
the
right
to
change
specifications
or
de-
sign
at
any
time
without
notice.
*In
some
countries
local
regulations
require
that
bridged
8
ohm
power
be
measured
with
the
speaker
impedance
switch
in
the
4
ohm
position
resulting
in
a
bridged
RMS
output
of
200W(23dBW).

REMOTE
CONTROL
TRANSMITTER
STATION
SELECTION
CD
TRACKS
TAPE
LOCATIONS
MODE
SIGNAL
SOURCE
SELECTION
SELECTION
VOLUME
PLAYBACK
CONTROLS
SCHEMATIC
FOR
REFERENCE
ONLY,
TRANSMITTER
NON-REPAIRABLE.
MAIN
AMPLIFIER
ALIGNMENT
IMPORTANT
NOTES
1.
Before
adjusting,
remove
input
signal
and
load,
and
set
speaker
impedance
switch
to
8
(HIGH);
reset
to
40
(NORMAL)
when
finished.
:
2.
These
adjustments
are
always
necessary
after
repair
to
main
amplifier.
;
3.
After
repair,
it
is
recommended
to
use
current
limiter
(200-250W
lightbulb)
in
mains
line,
for
initial
turn-on.
A.
CENTER
VOLTAGE
CHECK
1.
Connect
DVM
from
Ground
to
R836,
L
chan
(R886,
R
chan).
2.
Turn
power
on,
and
check
for
reading
of
OV
+100mVDC.
B.
IDLE
CURRENT
ADJUSTMENT
1.
Connect
DVM
from
TP801
to
TP802,
L
chan
(TP851,
TP852
R
chan).
2.
Adjust
R818,
L
chan
(R868,
R
chan)
for
reading
of
14mV
+1mVDC.
Cc.
FINAL
ADJUSTMENT
1.
Leave
power
on
minimum
5
minutes.
2.
Repeat
center
voltage
check
and
idle
current
adjustment.
PREAMPLIFIER
ALIGNMENT
CHANNEL
BALANCE
1.
Feed
1kHz,
100mV
to
CD
input;
connect
AC
VTVM's
to
Pre
Out.
2.
Set
volume
to
maximum,
balance
to
center,
low
level
off.
3.
Adjust
R758
so
that
both
channels
have
same
output
level
+0.25cB.
TP802
TP801
TP852
TP851
|
2)
b
Coo
<
R836
ol
i
on
R886
a
|
@)
R818
O]
R868
eae
baa

SCHEMATIC,
AMPLIFIER
1)
SER.
No.430001~
451000
R043:
3.9K
R0S5,063.071,079
:
15K
2)SER.NO.
630001
~
431000
DG37~
040
:
1SSI78
Net
used
€039,04
3,047,051
:
120P
XMARK
R060
068
076
O86
21K
C054,056,058,068:150P
Not
used.
coco,
0021
.025,029.033
:
GZA5.1Z
044,040,052
:
470°
SER.
NO.
430001
~
431000
CAPACITANCE
e510
csse 2zop $502
soe
220P
2901815
4
Oy,
OYE
4
4
S57
100P
oO
C507
100P
+
100n
L501
|
C50r
15-168
63V-1000y,
525
26v.
R7I3
3.3K
$004
BY-PASS
16V-
334,
DOTA
(4407)
R712 100K
ROS3
470
C551
R854
R587
0553
«SSB
«RSEO
©
ROK
a
RSS|
R552
0551
0552
C554
C553
C556
i
=
«
R553
C552
RSS
RSSE
C555
«RESO
R5I2
220K
RTSI~
RTE!
O75!
~
752
Fs
pe
Ue
a
a
TONER’
CT75~
R776
0751
~
754
R787 2K Frag
R762
~
R783
1¢753
~
Ic
754
004
R562
220K
C75
1~
C758
2/2icTol
Gree
4
crra
R56!
IK
ROIS
IK
3
—
2
=
3
8/3
R516
220K
3
-
B
VIDEO
o
al
oan
R564 220K
7
3.
&
ft
S.
<?
S
oa
ge]
8]
8
—
one
R63
IK
aa?
3g
Ara
S106A
(D302)
RSIS
IK
6g
Protector
LED
N,
a
$1064
(D303)
PA
x
Soft
LEO
L801
1.6yH
=
Fy
lo
:
3
3x
<
8S.
2)
38
oa
81s
ee
Ba
oe
2
Tl
=
o
rr]
4
3
3
8
C)
3)
|;
zg
a}
13
g
3
3
3
[3
3]
{8
oe]
3]
§|
as}e
REC
|
lo
:
2
$
be
Se
Ree
Seine,
n
ROS!
~
887
8
ces!
~
868
065i
~
874
esi
~
967
TT
lo
lo
lo
ka
bs
=
8
C518
O.1p
REC?
1
lo
Kg
Le
——
revi
cess
cs60
1c5018
co62
RATE
Fa
R573
C561
R574
R575
PRE
A,
AII25V
6A,
our
9504
B.B1.C.Cl.c/S:TSA
1C002_NUM7BMOSFA
voc
A.
Al:
250V
0.40
fs
B.81.C.C1,
C/S
:
T200mA
es
3
i
i
Ey
Im
&
MAIN
CY
}
IN
LY
o207
28c1815
DOITA
(aon)
Mork
of
Resistors
——-
_vew
:
adie
Film
Mork
of
Capacitors
DE
Etec.
NO
MARK
Diode
:
1SSi78
usible
4
=
aw
.
ets
No
Mork
Carbon
o
Fitm
os
vw
&
Matat
Oxide
Film
oi.
sSarernic
—-
oNumber=wo
oF
iy
©
Elect.
Low
teak

P.C.B.
LAYOUT
INPUT/OUTPUT
P.C.B.
ASS’Y
(J030A)
MAINS
INPUT
P.C.B.
ASS’Y
(P034C)
HEADPHONE
CONNECTOR
POWER
SWITCH
ASS’Y
ASS'Y
MAIN/CONTROL/SUPPLY
P.C.B.
ASS'Y
(029A)
paris
(HOO6B)
BRIDGE
SWITCH
ASS’Y
~
(S103B)
pS
—12-

SCHEMATIC/P.C.B.
LAYOUT,
SELECTOR/.COM
o
a
oa
°
VOD
VREF
eT
lst
se
upD6362C
()
alee
:
eee
uPO7507
-
240
1¢401
R418
150
1403
wPO4013BC
or
TC4013BP
C406
5.5V-0,047F
SI04A
JO29A
8
mYVVVVV)
TBLOSA
8.BI.C.C1,C/S
:
TIOOMA
Fu4ol
A.AL:250V
0.44
PROTECTOR
SOFT
posac
<
JO29A
(9701)
$301~S308
81-
2345x8
Note
1)
(Adnot
UL
and
(Al):
23
-
1352-0
-0
(A)
UL
1
23-
1383-0-0
(€,
Ci,
C/S)
1
23
-
1382-1-0
(8,81)
1
23-1352-2-0
3400-2
COM
P.C.B.
ASS’Y
TACTILE
SWITCH
ASS’Y
(D017A)
(S016A)

WIRING
DIAGRAM
)
aC
POWER
CORD
GY)
10.3702
70.
J801_
10
851103703
TO
J003
i
°
Ee
WOH
we
es
Ss
Sr
J
<2
kKalis
EQ
RECEPTACLE
BINDING
POST-
LOUDSPEAKERS
INPUT/OUTPUT
P.C.B.
(J030A)
BRIDGE
SWITCH
P.C.B.
(S103B)
SLIDE
SWITCH-
POWER
TRANSFORMER
IMPEDANCE
HEADPHONE
CONNECTOR
taal
|
a
=
reno
an
YS
ee
ee
—————
Ee
———E—
z
SELECTOR
SWITCH
P.C.B.(S107A)
TACTILE
SWITCH
P.C.B.(S106A)
POWER
SWITCH
P.C.B.
($1048)
3400
ate Sor

EXPLODED
VIEW
EXPLODED
VIEW
PARTS
LIST
Index
No.
COON
ODOR
WNH
_
48
Parts
No.
63-6300-0-0
62-1111-0-0
62-1111-1-0
N44957-BK
62-3480-0-0
62-3500-0-0
62-2332-0-0
62-3501-0-0
62-2331-0-0
62-2350-0-0
62-2320-1-0
63-5180-0-0
88-
171-0-0
62-
409-0-0
92-2116-0-0
71-2685-0-0
71-2682-0-0
71-2683-0-0
71-2686-0-0
71-2647-1-1
71-2689-0-0
.
71-1966-0-0
71-1968-0-0
71-1972-0-0
71-1935-0-0
71-1973-0-0
71-1967-0-0
71-1971-0-0
71-1970-0-0
92-1262-0-0
92-1263-0-0
71-2687-0-0
71-2696-0-0
71-2693-0-0
71-3136-0-0
71-3135-0-0
81-
452-0-0
81-
509-0-0
HLJ0999-01-480
74-3124-0-0
74-3125-0-0
87-3242-0-0
62-3332-0-0
23-1348-0-0
23-1348-1-0
23-1348-2-0
23-1348-3-0
23-1348-4-0
23-1352-0-0
Description
Front
Panel
Push
Button(Black)-Selectors
Push
Button(Green)-On/Off
Push
Button(Black)-Selectors
Push
Button
Frame,
Single
Push
Button
Frame,
Triple
Lever
Knob
Lever
Frame
Rotary
Knob-Tone
Control
Rotary
Knob-Balance
Volume
Knob
Window
Spring-Push
Button
Return
Sub
Panel
Foot
Front
Chassis
Side
Chassis
(L)
Side
Chassis
(R)
Sub
Chassis-Front
to
Rear
Support
Sub
Chassis-Left
to
Right
Support
Sub
Chassis-Left
to
Right
Support
Trans.
Chassis
Switch
Stand
Bracket-PCB
Support
Wire
Holder
Bracket-Heatsink
L
Bracket-PCB
Support
PCB
Support
L
Bracket-PCB
Support
Lock
Plate-Bridge
Switch
Lock
Plate-lmpedance
Switch
Rear
Panel
(A,
A1)
Rear
Panel
(B,
C,
C1,
C/S)
Rear
Panel
(B1)
Top
Cover
Bottom
Cover
Washer
(Plain
3.5-8-0.5)
Slide
Switch-Impedance
Selector
Flex
Linkage,
Copy
SW
Locking
Clip-Head
Phone
Heatsink,
Main
Heatsink,
Rectifier
Ground
Terminal
Bushing-AC
Power
Cord
Power
Transformer
(UL)
Power
Transformer
(C,
C1,
C/S)
Power
Transformer
(B,
B1)
Power
Transformer
(A)
Power
Transformer
(A1)
Standby
Transformer
(A,
A1)
—18—

Index
No.
Parts
No.
Description
74
75
76
77
78
79
Machine
Screw
S
(Philips
Head
3
x
6
Bik)
Hexagon
Flange
Nut
(M4
Cr)
Nut
with
Toothed
Lock
Washer
(M4
Cr)
Washer
(Plain
4-10-0.8
Ni)
Volume
Control
Nut
(Hexagon
7-11-2
Ni)
Washer
(Plain
7-12-0.5
Ni)
—20—-

Index
No.
48
49
Parts
No.
Description
23-1352-1-0
Standby
Transformer
(C,C1,C/S)
23-1352-2-0
Standby
Transformer
(B,B1)
23-1353-0-0
Standby
Transformer
(UL)
85-
267-0-0
AC
Power
Cord
(A,A1)
85-
235-0-0
AC
Power
Cord
(C,C1,C/S)
85-
240-0-0
AC
Power
Cord
(B)
85-
259-0-0
AC
Power
Cord
(B1)
82-2207-0-0
Receptacle
(A,A1)
82-2127-0-1
Receptacle
(B,C,C1,C/S)
86-
216-0-0
Speaker
Terminal
(A,A1,B,B1,C,C1)
86-
217-0-0
Speaker
Terminal
(C/S)
JO29A
Main/Control/Supply
Pcb
Assembly
81-2351-0-0
Push
Switch-Bypass
81-2363-0-0
Push
Switch
Bank
(3
Switches)
81-
317-0-0
Lever
Switch-Turnover
81-
318-0-0
Lever
Switch-Copy
41-
136-0-0
Rotary
Potentiometer-Balance
41-
694-0-0
Rotary
Potentiometer-Tone
Control
41-8002-0-0
Rotary
Potentiometer-Volume
(Motor
Driven)
74-3118-0-0
Heatsink,
Driver
74-
388-0-0
Heatsink,
Regulator
JO30A
Input/Output
Pcb
Assembly
82-2130-0-0
RCA
Connector
(Single)
82-2157-0-0
RCA
Connector
(Double)
82-2159-0-0
RCA
Connector
(Triple)
81-
447-0-0
Slide
Switch-Infrasonic
ON/OFF
Slide
Switch-Soft
Clipping
ON/OFF
81-
448-0-0
Slide
Switch-Phono
Capacitance
Selector
81-
464-0-0
Slide
Switch-Phono
MM/MC
Selector
$107A
Selector
Pcb
Assembly
$106A
Tactile
Switch
Assembly
81-2345-0-0
Tactile
Switch
DO17A
uCom
Pcb
Assembly
HOO6B
Headphone
Connector
Assembly
82-2185-0-0
Headphone
Jack
$104B
Power
Switch
Assembly
81-2350-0-0
Push
Switch
$103B
Bridge
Switch
Assembly
81-
463-0-0
Slide
Switch-Bridge
Mono/Stereo
P034C
Mains
Input
Pcb
Assembly
Tapping
Screw
(Philips
Head
3
x
6
Cr)
Tapping
Screw
(Washer
Head
3
x
6
Cr)
Tapping
Screw
(Pan3x8Cr)
—
Tapping
Screw
(Philips
Head
3
x
8
Bik)
Tapping
Screw
(Philips
Head
4
x
6
Cr)
Machine
Screw
(Philips
Head
2.6
x
4
Blk)
Machine
Screw
(Pan
3
x
6
Cr)
Machine
Screw
(Philips
Head
3
x
8
Blk)
Cabinet
Screw
with
Washer
(4
x
6
BIk)

PARTS
NO.
SYMBOL
NO.
DESCRIPTION
A
100,
1/4W
R003,
009.
FUSIBLE
RESISTOR
(ERD2FC)
A
5.60,
1/4W
R826-829,
876-879.
FUSIBLE
RESISTOR
(ERD2FC)
1000,
1/4W
R058,
066, 074,
082.
FUSIBLE
RESISTOR
(ERD2FCG)
41-7110
R758
VARIABLE
RESISTOR
(EVN-D4A,
1KQ)
41-7116
R818,
868.
VARIABLE
RESISTOR
(EVN-D4A,
3000)
3.320,
1W
R001,
002.
OXIDE
METAL
RESISTOR
(RS1FS)
6800,
1W
R050,
051,
052.
OXIDE
METAL
RESISTOR
(RS1FSM)
4700,
1W
R053,
054.
OXIDE
METAL
RESISTOR
(RS1FSM)
15KQ,
2W
R056,
065,
072,
081.
OXIDE
METAL
RESISTOR
(RS2FSM)
8.2KQ,,
2W
R057,
064, 073,
080.
OXIDE
METAL
RESISTOR
(RS2FSM)
3.3KQ,
1/6W
R713,
714,
763,
764.
METAL
FILM
RESISTOR
(RNK1/6TA21)
2252,
1/8W
R721,
730, 771,
780.
RESISTOR
ARRAY
(RRS1/8
8M)
6.2KQ,
1W
R812,
838,
862.
OXIDE
METAL
RESISTOR
(RS1FSM)
8200,
1W
R824,
874.
OXIDE
METAL
RESISTOR
(RS1FSM)
3300,
1W
R825,
875.
OXIDE
METAL
RESISTOR
(RS1FSM)
0.22+0.220
R834,
835,
884,
885.
CEMENTED
RESISTOR
(MPC725)
2.20,
2W
R836,
886.
OXIDE
METAL
RESISTOR
(RS2FSM)
100,
2W
R837,
887.
OXIDE
METAL
RESISTOR
(RS2FSM)
A
81-622-1-0
RY001,
002.
RELAY,
MR72,
SPEAKER
A
81-628-0-0
RY003
RELAY,
MR62SR,
PHONES
A
RDE185A
PHO001,
002.
P.T.C.
(POLYSWITCH)
A
81-7011-0-0
18-19
THERMOSTAT
(90°C),
UP-62
A
5MF6
FU001,
002.
(A,
A1)
FUSE
(125V,
6A)
EAK5
»
,
»
{B,B1,C,C1,C/S)
FUSE
(250V,
T5A)
A
5TT500
FU003,
004.
(A,
A1)
FUSE
(250V,
0.5A)
EAWK400
»
,
»
(B,B1,C,C1,C/S)
FUSE
(250V,
T400mA)
4.
5MF400
FU005
(A,A1)
FUSE
(250V,
400mA)
EAWK200
»
(B,
B1,C,
C1,
C/S)
FUSE
(250V,
T200mA)
2)
INPUT/OUTPUT
PCB
ASSEMBLY;
J030A
(EXPLODED
VIEW
INDEX
No.56)
PARTS
NO.
NJM2068DD
25C3329
2SA1015
2SA1015L
2SC2878
2SC1815
18S178
MA723
25V,
10F
SYMBOL
NO.
IC501
0501,
551.
Q502,
505,
509,
552.
Q503,553.
Q504,
554.
Q506,
507,
508,
510.
D501,
502,
504.
D503
C505,
555.
DESCRIPTION
IC,
DUAL
AMP
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
DIODE
DIODE
ELECT.
CAPACITOR,
LOW
LEAKAGE
3)
SELECTOR
PCB
ASSEMBLY;
S107A
(EXPLODED
VIEW
INDEX
No.57)
PARTS
NO.
SYMBOL
NO.
DESCRIPTION
pPC6362C
IC601,
602.
IC,
FET
SW
2SK163
Q601,
602,
651,
652.
TRANSISTOR
25A970
Q603,
653.
TRANSISTOR
2$C2240
Q604,
654.
TRANSISTOR
297

ELECTRICAL
PARTS
LIST
NOTE:
This
is
not
a
complete
electrical
parts
list.
1)
MAIN/CONTROL/SUPPLY
PCB
ASSEMBLY:
J029A
(EXPLODED
VIEW
INDEX
No.55)
PARTS
NO.
SYMBOL
NO.
DESCRIPTION
LB1642B
1c001
IC,
MOTOR
DRIVE
NJM78MO5FA
IC002
IC,
REG,
5V,
0.5A
“PC1237H
or
HA
1C003
IC,
PROTECT
NJM2043DD
1C701,
702.
iC,
DUAL
AMP
NJM2068DD
1C703,
704,
753,
754.
IC,
DUAL
AMP
»PD6360C
IC705
IC,
FET
SW
28C3421
Q001
TRANSISTOR
28C1815
Q002,
007, 010,
012-014.
TRANSISTOR
703,
804, 810,
814,
854,
TRANSISTOR
860,
864.
2SA1358
Q003
TRANSISTOR
2SA1015
Q004,
009,
011,
803,
809,
TRANSISTOR
853,
859.
2SC2655
Q005
TRANSISTOR
2SA1020
Q006
TRANSISTOR
2S8B1116
Q008
TRANSISTOR
2S8C2240
Q015,
021,
805,
808,
815,
TRANSISTOR
855, 858,
865.
2SB985
Q016,
022.
TRANSISTOR
2SA970
Q018,
024,
806,
807,
816,
TRANSISTOR
856, 857,
866.
2S8D1347
Q019,
025.
TRANSISTOR
2SK363
Q701,
702,
751,
752.
TRANSISTOR
2SC3066
Q801,
851.
TRANSISTOR
2SA1239
802,
852.
TRANSISTOR
2SA1370
0811,
818,
861,
868.
TRANSISTOR
2SC3467
0812,
817, 862,
867.
TRANSISTOR
2$D1264
819,
869.
TRANSISTOR
2SB940
Q820,
870.
TRANSISTOR
RS103
D003,
014.
DIODE
GZA22Z
D004
ZENER
DIODE
1N4002
D015,
018-020.
DIODE
GZA30Y
D016
ZENER
DIODE
GZA6.8Z
D021,
025,
029,
033.
ZENER
DIODE
5BL41
D023,
027,
031,
035.
DIODE
GFB30C
D024,
028,
032,
036.
DIODE
11588
D753
DIODE
GZA5.1Z
D801,
851.
ZENER
DIODE
GZAS.6Y
D802,
803,
852,
853.
ZENER
DIODE
18881
D804,
805,
812,
813,
816,
DIODE
807, 854, 855,
862,
863,
866,
867.
1838178
OTHERS
DIODE
15-147
L801,
851.
CHOKE
COIL
(1.6H)
80V,
10000uF
C005,
006.
ELECT.
CAPACITOR,
LGS-4
100V,
10000F
C007,
008.
ELECT.
CAPACITOR,
LGS-4
A
10V,
22uF
C035
ELECT.
CAPACITOR,
LOW
LEAKAGE
A
25V,
10uF
C706,
756.
ELECT.
CAPACITOR,
LOW
LEAKAGE

7)
CHASSIS-MOUNTED
COMPONENTS:
24821
PARTS
NO.
SYMBOL
NO.
DESCRIPTION
A
2SB1155
Q017,
023.
TRANSISTOR
A
28D1706
Q020,
026.
TRANSISTOR
A
28C3423
Q813,
863.
TRANSISTOR
4
28C3907
Q821,
823,
871,
873.
TRANSISTOR
A
2SA1516
Q822,
824,
872,
874.
TRANSISTOR
A,
DBF60C
D001
DIODE
A
DBF40E
DO02
DIODE
24
—

PARTS
NO.
2SA990
28C1843
28C1815
18S178
15-168
1/6W,
95.3KQ,
1/6W,
7.5KO,
SYMBOL
NO.
Q605,
607, 608,
655,
657,
658.
Q606,
656.
Q609
D601-614,
651-655.
L601,
651.
R610,
660.
R611,
661
DESCRIPTION
TRANSISTOR
TRANSISTOR
TRANSISTOR
DIODE
CHOKE
COIL
(3.74H)
METAL
FILM
RESISTOR
METAL
FILM
RESISTOR
4)
MAINS
INPUT
PCB
ASSEMBLY;
P034C
(EXPLODED
VIEW
INDEX
No.63)
rr
eee
PARTS
NO.
SYMBOL
NO.
1N4002
D951
A
ECK-DNS472ZV(4700p)
C951
(A,
A1)
ECK-DNS472MEX(4700p)
»
(B,B1,C,C1,C/S)
4.
5MF7
FU951
(A,
A1)
EAK3.15A
»
(B,B1,C,
C1,
C/S)
A
81-625-0-0
RY951
DESCRIPTION
DIODE
CERAMIC
CAPACITOR
CERAMIC
CAPACITOR
125V,
7A
250V,
T3.15A
RELAY,
VS-12MB-NR,
POWER
5)
TACTILE
SWITCH
ASSEMBLY;
S106A
(EXPLODED
VIEW
INDEX
No.58)
PARTS
NO.
SYMBOL
NO.
DESCRIPTION
Ce
SBX1483-51
1C301
IR
RECEIVER
2SA1015
Q301
TRANSISTOR
28C1815
Q302
TRANSISTOR
TLG208
D301,
304-306,
308-310.
LED
(GREEN)
TLR208
D302
LED
(RED)
TLO208
D303,
307,
311.
LED
(ORANGE)
6)
4-COM
PCB
ASSEMBLY;
D017A
(EXPLODED
VIEW
INDEX
No.59)
—23—
PARTS
NO.
SYMBOL
NO.
DESCRIPTION
a
ee
#PD7507-240
1C401
IC,
«COM
78LO5A
iC402
IC,REG
5V,0.5A
TC4013BAP
1C403
IC,
LATCH
2SA1015
Q401-403.
TRANSISTOR
2SC1815
0404-411.
TRANSISTOR
18S178
D401-408,
410-411.
DIODE
RS103
D409
DIODE
5.5V,
0.047F
C406
MEMORY
BACKUP
CAPACITOR
1/6W,
82KO,
R433
METAL
FILM
RESISTOR
4,
577400
FU401
(A,
A1)
;
FUSE
(250V,
400mA)
5ST400
»
—
(B,B1,C,
Ci,
C/S)
FUSE
(250V,
T400mA)
Other manuals for MONITOR Series
2
This manual suits for next models
1
Other NAD Amplifier manuals