NAD 3240PE User manual

I
\
3240PE
INTEGRATED AMPLIFIER

CONTENTS
-3240PE-
REAR /FRONT PANEL CONNECTIONS
SPECIFICATIONS
ALIGNMENT METHOD
AMPLIFIER PCB LAYOUT AND WIRING DIAGRAM
SCHEMATIC DIAGRAM
PCB COMPONENT LOCATION
EXPLODED VIEW
PARTS LIST, EXPLODED VIEW
PACKING DIAGRAM
PAGE 3
PAGE 4
PAGE 5
PAGE 6-8.
PAGE 9-10
PAGE 11-13
PAGE 14
PAGE 15 -17
PAGE 17 -is
2

REAR PAHEl
1AC Ur* Cord
2. AC Convenience Outlets.
3. Speaker* A
4. Sponsors B
5. Phono Ground.
IPtono InptA
7, Tbne» Inpul.
CD Input
9. VidOO Input
10 Tap# tnput'Output
11. Pieamp CM. Mun In
12. Soli Ciipomg
1J. Speaker Impedance
LE PANNEAU ARRIERE
t. Cordon rt Aliment*non
2. Puses CA
J. Enceintes A
4, Encemtes B
5. Mnsse phonoiecleur
6Entree phono
7. EntrAe tuner
9. Entree lecteur de disoue compact
9. Entree vidfro
10. Entree Sortie magnetophone
It. Sortie de prAampMicahorv
12. Ecriiage en douceur
13. Impedance
RUCKSEJTE
1. Met /k abel
2Sekunriar Steckdosen
3. Anschlusse lur Lautspreciieignippe A
4Anv.hlusse lur laulspremeignipp# B
5. M/isseanschtirfl lui Piarienspieier
6. Piatlen-ipieler-Emgang
7. Tunei- Emgang
BCD E-noa-xj
9Video
to Tcr'Canoge at E<fgAMg Aij«;a.Hng
H. \wvfn'.vin An'.y.mg Fndvnrstariie' Ei-vj.-mq
t2 tmfw-.wg.en/unqs Scnai'er
13 Laut^piecnerimpr'dan/ Scnaiter
FRONT PANEL LE PANNEAU AVANT FRONTSEITE
1. power |. Mono 1. Airmen*Alton I. Mono 1. Net* smaller BMono S'- ton Sm-Hinr
2. Phones f. Tape Monitor 2. Casque decoute 9. Commutaleur do surveillance de bande 2Koplhoier AnschKiO 9Vnr Uhn* fjanp Sitialter
3. Speaker Selector 10. Input Selector J. Seiecteur denceintes 10. Selected dentree 3Lautso'<?ch*t WanKmaiier to £hxm»Qs k*.Atw>.iH«v
B.B.tss It. lowlevet 4. Graves. 11. -Low level- 4. BaRstriier 11 Smvtrr «ur LAuKt.vknnhSpnKung
5. Troble 12. Loudness S. Aigus 12. Commutaleur de contour sonore 5Hohens'e'ier 12 Gehoincntigc Lautstarke fmsteiiung
8. Bass EO 13. \tolume/Balance «. Bass Eq 13. Vokjme/Equilibrage 6. Bad Equalizer SmaHer 13. Lautstarke Balance Sre"e*
7. 1ntr«son«c Fitter OH 7. Filtie mlrasomque 7. Schalter lur imoscnaii Filter

Specifications
NAD 3240PE Stereo Amplifier
Measured in accordance with EIA Standard RS-490
(formerly !HF A-202). Measurements referred to 8ohms taken with
Speaker Impedance selectorset to ”80.(High)." Measurements for 4and
2ohms taken with Impedance selector at "4ft (Normal).”
Power Amplifier Section
CONTINUOUS AVERAGE POWER
OUTPUT AT 8OHMS (minimum RMS
.power per channel, both channels driven,
with no more than the rated distortion)
Rated distortion (THD) r20 Hz -20 kHz
Clipping power, 1kHz (maximum
continuous power per channel)
Dynamic Headroom at 8ohms
Dynamic power(maximum 8ohms
short-term power per channel) 4ohms
2ohms
Damping factor
Slew factor
Stew rate
T.H.D. and SMPTE I.M. distortion from
250 mW to rated output
IHF I.M. (CCIF IM) and T.I.M. distortion
at rated output
Input impedance
Input sensitivity for 1Wa/ 40 Wout
Power amp gain
Preamplifier Section
Phono Input
Input Impedance
Input Sensitivity (1 kHz)
Signal-to-Noise Ratio with
cartridge connected, A-weighted
Input Overload at 20 Hz/1 kHz/20kHz
40 W(16 dBW)
0.03%
SOW
+6 dB
160 W
200 W
250 W
>50
>50
ISV/psec
<0.03%
<0.03%
22 kO
160 mV/ 1.0 V
25 dB (18X)
R=47kH ,C=lOOpF
0.55 mV for 1Wout
3.5 mV for 40 Wout
76 dB re 5mV
20/180/1500 mV
RIAA Accuracy ±0.5 dB
High-Level Inputs (Tuner, CD, Video, Tape)
Input Impedance
Input Sensitivity
Signal-to-Noise ratio, A-weighted
Input Overload
Frequency Response
Outputs
Preamp output impedance
Tape output impedance
R=15 kO ,C=100 pF
26 mV for 1Wout
160 mV for 40W out
86 dB re 1Wout
102 dB re 40W out
>10V
20Hz -20kHz +0.5 dB
600 0
Source Z+ 1000 0
Controls
Treble
Bass
Bass Equalization
Infrasonic Fitter
Low Level (audio muting)
Physical Specifications
Width xHeight xDepth
Net Weight
Shipping Weight
Power Consumption
Specifications are those in effect at the time of printing,
specifications or designs at any time without notice.
±7 dB at 10kHz
HOdBat 50 Hz
+3 dB at 70 Hz
+6 dB at 40 Hz
-3 dB at 12 Hz
12 dB/octave
-20 dB
42 x10.8 x38 cm.
16.5 x4.25 x15 in.
6.7 kg (14 lbs 14 oz)
8kg (17 !b 12oz)
50/60 Hz at 110, 120,
220, or 240 VAC
200 W
NAD reserves the right to change
(

ALIGNMENT METHOD
AUDIO SECTION 3240PE
IMPORTANT
Speaker Impedance switch should be in 8ohm position while adjusting center volatge and idling current.
INITIAL ADJUSTMENT (No load connected)
A. CENTER VOLTAGE
1, Connect OC mill ivoltmeter to Lchannel output terminals.
2. Turn on and adjust to 0V*- 30mV with VR4Q1 (10KB). Connect DC millivoltmeter to Rchannel output terminals and
adjust VR402 to 0V+- 30mY.
B. IDLING CURRENT
1. Remove solder short across R47 1and R472.
2. Connect DC nillvoltmeter across R471 (I ohm) (output transistor’s collector resistor) and adjust VR403 (1KB)
for 26 -30mY reading on meter.
Repeat adjust with YR404 (1KB), connecting meter across R472( 1ohm)
3. leave power on for minimum .5 minutes.
FINAL ADJUSTMENT
C. CENTER VOLTAGE
1. Repeat step Aabove.
D. IDLING CURRENT
1. Repeat step 8and adjust with VR403, YR404 for 30mY reading on meter.
2. After the alignment is finished, 1ohm resistor R47 I,R472 is shorted by solder short.
AMPLIFIER ADJUSTMENT POINTS

SCHEMATIC DIAGRAM
NAD 3240PE
AMPLIFIER
THE QUALITY OF
THIS PAGE IS
THE BEST THAT
IS AVAILABLE
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THE QUALITY OF
THIS PAGE IS
THE BEST THAT
IS AVAILABLE
$•401

ITEM PARTS NO. NAME Q’TY ITEM PARTS NO. NAME Q’TY
01 L580A002H01 COVER BOTTOM
02 L561A0I0H0I CABINET
03 L582A00IH0I CHASSIS, FRONT SUB
04 L702A017H02 PANEL, FRONT 1
05 L582A002H13 PANEL, REAR A1 1
05 L572A002H13 PANEL, REAR A2 1
05 L582A002H13 PANEL, REAR A1
05 L582A002H15 PANEL, REAR B1
ActrnAiAAAiiii miipi •>* >
29
L704C0 13H02 HANO-POST (RED) C3
29 L704COI3H02 'HAND-POST (RED) C2
30 L53ID0I8H01 BINDING POST GROUND
31 U683D0IIH01 WASHER PLANE
32 L703D027H0I PLATE SWITCH LOCK
33 L449Y002H02 AC SOCKET A1
33 L449Y002H02 AC SOCKET A2
33 L449Y002H02 AC SOCKET A

O5S0O7H35 Res,
05S007H38 Res,
05S007H01 Res,
05S007HI7 Res,
03Y2UH19 Res,
03Y2UH06 Res,
03Y2I4HI4 Res,
03Y2UH53 Res,
0350I7HI3 Res,
03Y2UH28 Res,
03Y214H48 Res,
03Y214H26 Res,
03Y022H26 Res,
40Y203H35 Cap,
82Y322H52 Cap,
40Y203H27 Cap,
82Y322H13 Cap,
72Y306H05 Cap,
72Y306H12 Cap,
82Y322H38 Cap,
72Y306H04 Cap,
82Y322H2I Cap,
72S002HI5 Cap,
40Y20IH25 Cap,
72S002HI4 Cap,
72Y306H25 Cap,
82S333H40 Cap,
40Y203K27 Cap,
82Y322H34 Cap,
92Y322H38 Cap,
B2S322H38 Cap,
72S002HI3 Cap,
40Y203H35 Cap,
72Y306H26 Cap,
72Y306H16 Cap,
J2Y322H63 Cap,
40Y203H3S Cap,
32S333H40 Cap,
72Y306H02 Cap,
I0Y306H10 Cap,
I2Y322HI3 Cap,
12Y322H23 Cap,
12S022HI5 Cap,
I0Y2O3HI9 Cap,
I2Y322H34 Cap,
0Y2O3H15 Cap,
2Y306H25 Cap,
2S022H68 Cap,
0Y203H39 Cap,
0Y203H35 Cap,
0Y201H25 Cap,
0S02IH7I Cap,
0Y306H39 Cap,
0S016H01 Cap,
0Y306H45 Cap,
Hetal, 6.3k
Hetal 12K
Hetal 10
Hetal, 220
Carb, u
Carp, 68
Carb, 390
Carb, 680K
Carb, 330
Carb, 6.6K
Carb, 270K
Carb, 3.9K
Carb, 3.9K
Cer, lOOpf
El, 3.3uF
Cer, 47pF
El, 47uF
Poly, 2200pF
Poly 8200pF
El, IOOuF
Poly, 1800pF
El, 22uF
Poly, 0.22uF
Cer, O.luF
Poly, O.I5uF
Poly, O.luF
El, luF
Cer, 47pF
El, IOuF
El, IOOuF
El, 0.68uF
Poly, O.luF
Cer, tOOpF
Poly, 0. 12uF
Poly, O.OISuF
£1, 4.7uF
Cer, lOOpF
El, luF
Poly, 1200pF
Cer, 680pF
El, 47uF
El, 22uF
El, 220uF
Cer, 22pF
El, IOuF
Cer, !5pF
Poly, O.luF
El, IOuF
Cer, ISOpF
Cer, lOOpF
Cer, O.luF
Cer, O.luF
Cer, 0.022uF
El, 6800uF
Cer, 0.047uF
+-5X IK
+-5X IV
+-5X 1i
+-5X tv
+-5X 1/IK
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 1/4K
+-5X 5QKV
+75- 1OX 50V
+-5X 50KY
+50-101 10V
+-5X 50KV
+-5X 50KV
+50- 10X 25V
+-5X 50KV
+50-10* 16V
+-5I 50V
+-10X 25WV
+-5X 50KV
+-5X 50KV
+75- 10X 50V
+-5X 50KV
+50- 10X 25V
+50-10X 25V
+75- 10X 50V
+-5X 50KV
+-5X 50KV
+-5X 50KV
+-5X SOW V
+75- 1OX 50V
+-5X 50KV
+75-10X 50V
+-5X 50KV
+-10X 50KV
+50- 10X 10V
+50- 10X 16V
+50-10X 10V
+-5X 50KV
+50-10X 25V
+-5X 50WV
+-5X 50KV
+50-1 OX 100V
+-5X 50KV
+-5X SOW
+-10X 25KV
+80-20X 50KV
+80-2GX 50KV
+50- 10X 50V
+80-2QX 50KV

2YG35HOI SW-POWER A1
7Y035H01 SW-POWER A2
JY035H01 SW-POWER A
JYQ34H01 SW-POWER B
>Y034H0I SW-POWER Cl
>Y034H01 SW-POWER C
2Y034H01 SW-POWER 01
2Y034HOI SW-PO¥ER C3
2Y034H0I SW-POWER C2
JY083H0I TRANS-POWER A1
)Y087H01 TRANS-POWER A2
)Y084H01 TRANS-POWER A
)Y086H01 TRANS-POWER 8
)Y085H0
1
TRANS-POWER Cl
)Y086HQ1 TRANS-POWER Bl
)YO88H0t TRANS-POWER C3
)Y085H01 TRANS-POWER C2
IY013H01 SW-SLIOE At
IY013H01 SW-SLIOE A2
1YO 16HOt SW-SLIDE A
IY013H01 SW-SLIOE B
lYOUHOt SW-SLIOE Cl
IY013H01 SW-SLIOE C
lYOUHOt SW-SLIDE Bl
IY0I3H01 SW-SLIOE C3
IYOUHO! SW-SLIDE C2
3S017H1
7
FUSE 5A-UL Al
3S017H17 FUSE 5A-UL A2
3S017H17 FUSE 5A-JL A
3SG22H28 FUSE 5A-SEKKO 8
3SG22H28 FUSE 5A-SEHKO Cl
3S022H28 FUSE 5A-SEMKO C
3S022H28 FUSE 5A-SEMKO Bl
3S0 17H 1
7
FUSE 5A-UL C3
3S022H28 FUSE 5A-SEMKO C2
3S017HI0 FUSE 1A-UL Al
3S0I7H10 FUSE IA-UL A2
3S017H10 FUSE IA-UL A
3S022H T7FUSE 1A-SEHKO B
3S022H 1
7
FUSE IA-SEHKO Cl
3S022HI7 FUSE IA-SEHKO C
3S022H17 FUSE 1A-SEHKO 81
ISQI7HIO FUSE IA-UL C3
ISD22H17 FUSE IA-SEHKO C2
1S0I7H16 FUSE 4A-UL Al
iSO 17H 1
6
FUSE 4A-UL A2
ISOI7H16 FUSE 4A-UL A
1S022H22 FUSE 4A-SEHK0 B
IS022H22 FUSE 4A-SEHKO •Cl
1S022H22 FUSE 4A-SEHKQ c
IS022H22 FUSE 4A-SEHKO Bl
IS0 17H 1
6
FUSE 4A-UL C3
IS022H22 FUSE 4A-SEMKO C2
JY003H01 CONNECTOR A2
)Y003HQ1 CONNECTOR B
)Y003H01 CONNECTOR Cl
JY003H01 CONNECTOR C
)Y003H01 CONNECTOR Bl