NAD 613 User manual

SERVICE MANUAL
SERVICE SAFETY PRECAUTIONS (UL)
1. Use exact replacement parts for critical locations marked “ /\*
2. Return lead dress to original position and re-install protective covers.
3. Before returning to customer, test for shock hazard; use either mothod A or B:
A. Leakage test “cold”:
1. Unplug the AC cord; turn power switch ON.
2. Connect one lead of High Voltage Insulation Tester to both prongs of the 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 the AC outlet: do not use isolation transformer.
2. Connect one lead of the 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.
613
CASSETTE
TAPE
DECK
<
O
Lu
aa)
Lu
OW
<<
-
Lid
_
=
Lu
Y”)
”
<x
O

10
1}
12
13
14
16
17-18
19-20
21-22
23-24
25-26
27
CONTENTS
REAR/FRONT PANEL
SPECIFICATION
WIRING DIAGRAM
BLOCK DIAGRAM
ADJUSTMENT PROCEDURE
ADJUSTMENT POINT
MICROPROCESSOR CONNECTION DIAGRAM
MICROPROCESSOR TERMINAL DESCRIPTION
CHASSIS-EXPLODED VIEW
CHASSIS-EXPLODED VIEW PARTS LIST
IC BLOCK DIAGRAM
FLUORESCENT INDICATOR TUBE
IC BLOCK DIAGRAM / PACKING VIEW
TAPE MECHANISM-EXPLODED VIEW
PRINTED CIRCUIT BOARD-PARTS LIST
PRINTED CIRCUIT BOARD
SCHEMATIC DIAGRAM
SCHEMATIC DIAGRAM
PRINTED CIRCUIT BOARD
SERVICE SAFETY PRECAUTIONS
Use exact replacement parts for critical locations, marked /\" on parts list.
Return lead dress to original position, and re-install protective covers.
Before returning to customer, test for shock hazard; use either method A or B:
A. Leakage test, "coid”:
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”:
a 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 ail exposed metal parts.
4. Leakage measurement must be less than 0.5 milliamps.

SPECIFICATIONS
WARNING:TO PREVENT FIRE OR ELECTRIC
SHOCK,
DO
NOT
EXPOSE
THIS
APPLIANCE
Track
Format:
4-tracks,
2-channels
TO
RAIN
OR
MOISTURE
Erasing
System:
AC
erase
4.8
cm/sec.
(1-7/8
i.p.s.
REAR
PANEL
CONNECTIONS;
WowandFute:
«OO7%(WRMS)
0.09%
(DIN)
Frequency
Response:
20—17,000Hz
(normal)
(30—16,000Hz
+
3dB)
20—18,000Hz
(high)
(30—17,000Hz + 3dB)
20—19,000Hz (metal)
(30—18,000Hz + 3dB)
S/N Ratio: 58dB (metal tape, Dolby NR off)
A noise reduction of 10dB above 5kHz
and 5dB at 1 kHz is possible with Dolby
B NR. A noise reduction of 20dB at
5kHz is possible with Dolby C NR.
Input Jacks: LINE IN: 2
Input sensitivity: 830 mV
Input impedance: 50 kohms
© 1995. NAD ELECTRONICS LTD. 613.
Output Jacks: LINE OUT: 2
1
2
Standard
output
level:
500
mV
1,
INPUT.
3.
NADLINK.
;
(OdB)
2.
OUTPUT.
4.
POWER.
Optimum
load
impedance:
over
50 kohms
The
lightning
flash
with
arrowhead,
within
an
equilateral
tri-
The
exclamation
point
within
an
equilateral
triangle
is
intend-
Headphone
jack:
1
angle
is
intended
to
alert
the
user
of
the
presence
of
unin-
ed
to
alert
the
user
of
the
presence
of
important
operating
Optimum
load
impedance:8
to
sulated
"dangerous
voltage"
within
the
product's
encio-
and
maintenance
(servicing)
instructions
in
the
literature
200
ohms
sure;
that
may
be
of
sufficient
magnitude
to
constitute
a
accompanying
the
appliance
risk
of
electric
shock
to
persons.
Motors:
De
servo
motor:|
DC motor: |
FRONT
PANEL
CONTROLS
Heads:
dai
opera
Hard
Permalloy
x
|
rase head: Ferrite x |
1
19
10
11
578
89
Power
Supply
Rating:
European
models:
AC 230 V, 5OHz
USA and Cadadian models:
AC 120V, 60Hz
Power Consumption: 230V/0.12A 120V/0.24A
Dimensions: 435(W) x 125(H) x 290(D) mm
Stereo Cassette Deck 613 Weight: 5.0 kg. (I 1.0 Ibs.)
OPE RATION- —REPEAT— -DOLBYNA- [COUNTER]
~
LevELWe! 00
Sao aR are
~~ Specifications and external appearance are subject to change
aS emepereadmamnl O)y-O
without notice because of product improvements.
RECOROLEVEL
MPx PLAY TRIM
FILTER DOLBYNR REPEAT
04 at
2 |
© 1995. NAD ELECTRONICS LTD. 613.
[DOLEY & CNAHY FAG]
2 3 4 18 #17 #16 15 14 13 12
1. POWER. 11. RESET.
2.
PHONES.
12.
RECORD
LEVEL.
3.
OPEN
13.
BALANCE.
4,
CASSETTE
COMPARTMENT
14.
BIAS.
5.
STOP.
15.
PLAY
TRIM.
6.
PLAY.
16.
REPEAT.
7.
PAUSE.
17.
DOLBY
NR.
8.
REWIND.
18.
MPX
FILTER.
9.
FAST
FOWARD
19.
DISPLAY
10. RECORD.

WIRING DIAGRAM
Headphone PC board (NAETC-5338-3)
JL301B
JL702A
JL703A
Deck mechanism
Main curcuit PC board (NAAF-5336-3) JL801A
P751 J901
Display curcuit PC board (NADIS-5337-3) Switch PC board (NASW-5339-3)
J902
P9S1 Hil
<=,
Bus line PC board (NAETC-5509-1) JLOOIB : 5902
[| J901 E=pD
Power
supply
PC
board
(NAPS-5340-3)
J
ee
|
LY]
-|i+

BLOCK DIAGRAM
BALANCE INPUT
VOL . .
LINE IN vo
O—> ee 30 (1) Q105 22 (9) > > ©)
16 LINE OUT
OLBY IC
R153 R155 26(4) PGR (15) i LINE} ss amp
P101.
P102
DN
MUTE
:
5 P.B ia b 1 Q601 H.P OUT
aan ae J
I i,
i ae “"p.p Le Q604
<> } ; EN/DE Q107, Q108
o Oo TRIM LEVEL Q1093 Q112
LEVEL
—
ADu.
eae
aoe
7
|
?
R117,
R118
P105
FL TUBE
b REC
R/P LEVEL
70/120
/\ Q113 R403
Q103,q104 REC AMP) pyaga
“ OPERATION
21 ie Ko 4 KEY
ee | - SJ
BIAS see
TRAP REC EQ | | MUTE
Q405~Q410 Q403
Q404 +B1 SIGNAL
Q411 HX PRO
BIAS ACCU
ADJ.
BIAS
|
+82
[>
MECHA
BIAS
MICRO
CONTROL.
+B3
Q412, Q413 PROCESSOR
—B4 FL TUBE
OSC
R461 R471
R462
NAD
©
L407
Q414, Q415
Q702~Q705
MECHA
DRIVE

ADJUSTMENT PROCEDURES
PRECAUTION
1. Before adjustment, clean the following parts
with an alchol moistend swab.
*record/playback head
*pinch roller *capstan
2. Do not use magnetized screwdriver for
adjustment.
3. Demagnetized record/playback head with
a head demagnetizer.
Connection of
instrument
Frequency counter
to LINE output
terminals
AC voltmeter and
oscilloscope to
LINE output
terminals
AC voltmeter to
terminals TP-1
P105
Playback
level
Frequency counter
to P401 lead- Wire
loose coupling
Blank tapes
NORMAL-***UD-1 C-90
HIGHeeeeesXL-II C-90
METAL*e*eXS C-90
Head azimuth screw
*erase head
Line output
freqhevel
Recording
aor
+
the
cena)
NORMAL
level
|
=
™"
|
TAPE
PB
Audio oscillator
Digital frequency counter
Oscilloscope
Attenuater
AC voltmeter
Non-magnetic screwdriver
Test tapes
TCC-153 : 10kHz, -15dB
MTT-111N _ : 3kHz, -10dB
MTT-150
TEST EQUIPMENT/TOOL REQUIRED
: Dolby level calibration
400Hz, tone 200nWb/m
Output
Test tape ; ae Adjustment point} Adjustment. Remarks
indicator
Screw on back
side of Capstan
motor
Freque:
i poe
counter
AC
voltmenter
Fig.2
AC
voltmeter
Frequency
STOP
counter
NORMAL | REC/ AC
TAPE PB | voltmeter
TCC-153 Fig.1
ss R117 (Lich)
Mer R118 (R.ch)
NONE or
METAL
L407
R461 (L.ch)
R462 (R.ch)
REC/ AC
R403 (L.ch)
voltmeter R404 (R.ch)
PLAY torqueseese30~ 70g/cm
FF.REW torque*eee80~ 180g/cm
Back tensionese*se6 ~ 12g/cm
Don't touch these screws.
Fig.1 R/P Head
3,000Hz+10Hz
Maximunm level
& Minimun
phase error at
channels L and R
300mV
107kHz+ 1kHz
O~+1.0dB at
Same level at
REC/PB
1kHz and 10kHz
FT mode will be
active when J147 is
connected to GND.
FT mode will be
active when J147 is
connected to GND.
FT mode will be
active when J147 is
connected to GND.

ADJUSTMENT POINT
Oscilloscope
| P105
R403 dd ar
RECORDING LEVEL
(+) (+)
ee
R117 R118
PLAYBACK
LEVEL
[|
LA07
BIAS
FREQUENCY
C7) pP401
ve
GF
asso
BIAS
CURRENT
LINE VTVM
OUT
Fig.2
0° (IN PHASE) 45° 90° 180°
DOO
Fig.3
Confirming
phase
relationship
Fig.4
MICROPROCESSOR
CONNECTION
DIAGRAM
ENC/DEC
MPX ON/OFF
REC/PB
BIAS.CONT
CAPS
SOL
FF
REW
O-PLAY
DOLBY ON/OFF
DOLBY B/C
SYSTEM RESE
HD404336A33S
(Vdisp) RA1
R23
R22
R21
R20] 60|
| 6 |R71 R13
R72 R12] 58 |
| 8 JROO (SCK) R11
| 9 JRO1 (ST) R10] 56 |
RO2 (SO) R93
RO3 (TOC) R92
TEST R91
RESET R90
rere
Re2{50
+5V LL 7 48 |
N.C [18]
META [30] R30 (ANO) D11,43]
F-REC R31 (AN1) D10
PACK IN [324 R32 (AN2) D9f43]
CrO2
R33
(AN3)
D8
R40 (AN4) D7
NORMAL
R41
(ANS)
D6
HIGH
[264
R42
(AN6)
D5{39]
METAL
R43
(AN7)
(STOPC)
D4
Rch
LEVEL
R50
(AN8)
(BUZZ)
D3
Lech
LEVEL
R51
(AN9)
(EVNB)
D2
KEY2
R52
(AN10)
(INT1)
D1
KEY1
R53
(AN11)
(INTO)
DO
+5V AVecc Vee
—10—
Vdisp
R.SENS
P-OFF
RI-IN
RI-OUT
Seg.a
Seg.b
Seg.c
Seg.d
Seg.e
Seg.f
Seg.g
Seg.h
Seg.i
Seg.j
Seg.k
Seg.l
Grid-7
Grid-6
Grid-5
Grid-4
Grid-3
Grid-2
Grid-1
REC MUT
LINE MUT
BUS LINE
FT
+5V

MICROPROCDSSOR TERMINAL DESCRIPTION
Pt _|encpec | 0 [Deonderincoderdageovroupt SY
[2 [MP ON/OFF | 0 _[Mulipex ter change-overouput SSS
Ps JRECPE | 0 | ReconingPlayback change-overoupat
|
4
~~
‘[BlascoNT)
=
sss
Bias
current
change-over
output
Pears ~~ capstan tr contol out SSS
P68 (480k «dO Soiencid contol cuit SSCSC~S
[Fo Ieet motor contotoupat
REW
O-PLAY
DOLBY ON/OFF
DOLBY B/C
10
— 2
3
4
15
16
SYSTEM RESET
System reset input
Connect the 4MHz ceramic resonator
Ground terminal
Ground terminal for A/D converter
—
w _ — —_ — _
OSC2
Q ie) |
6
20 METAL
Recording/Playback equalizer control outputs
io] Q
nw to co)
lool
22
3
25
PACK IN
N
NORMAL
HIGH
METAL
2 fe) nN
i)
On
On at the high level
Rch level input
Lech level input
nN
Ww
7
2 ‘oO Lch LEVEL
wv oo x ° _ a ies! <
ies c
30
KEY2
Operation
key
input
terminal
31
KEY1
Ww N 5
5
—T1=
—12-—
w ree)
<
Alri wl) tit t+ np Silcaja O|s|a < Z/</F5
5 ||
+4
Operation key input terminal
uw 5
36
7
41-47 Grid
48-59 Seg.
w
nN 1
2
<|P7 (P| 2/2 aln one
3 \ |S) 2} 9
zion
eA 3
lon
6
CHASSIS-EXPLODED VIEW
an
4

IC BLOCK DIAGRAM
utPC1297CA (HX PRO)
HA12142NT (DOLBY NR)
Your 21 Vourz2 Vim (oy
Coutz
=
= wo t
@)
8) PB IN (R)
6) REC/PB
@4) NR IN (R)
@7) BIAS
REC IN(L)(1)
PB IN(L)(3)
C/B/OFF (5)
(6)
NR IN(L)(7)
TA7291S (MOTOR DRIVE)
@3) VREF
@2) PB OUT(R)
VREF (8)
PB OUT(L)(9)
‘CaIOddS
YAANNN
LYVd
HLIM
AINO
SOV
1d
a
MOOHS
ORLLOATA
ANV
Fad
AO
ASMA
XOs
TVOLLIAOD
qav
VV
WAV
Ad
GaILLNAGI
SLNANOdWOD
SHL
=
‘ALON
Ayuo
[apow
uesdoimngq
:
Ajuo
Japoul
ueleNnsny
:
Ayuo
yopow
“yn
A[Uo
Japoul
ueIpeueD
“y'S'n
(fa)19A9T
SSI-IWCN
‘uWisluRysoul
yop
oyessed
a1qeo
IL
B1QIX9]4
“ZI
S7LZ-LOAON
Asse
preog Dd YUMS *[-60SS-DLAVN
Asse
preog
Dd
‘€-7PES-OLAVN
Asse
preoq
Dd
Ajddns
somod
‘€-OvES-SdVN
A
Ss@
preog
Dd
YIM ‘€-6€ES-MSVN
Asse
preog
Dd
euoydpeay
“¢-8€€S-D.LAVN
Asse
preog
Dd
wom
Aepdsiq
‘€-LEes-SIAVN
Asse
preog
Dd
IWMoND
ule
‘€-9EES-AVVN
<O'
1a
a>
Jourojsuen
1omod
“907I-LdN
V7
<HV>
Jowojsuen
1oM0d
‘907
1-LdN
VW
<2>
pioo
Ajddns
‘1am0g
AAO-SV
V
<I
g>
psoo
Ajddns
amo
‘WVWS-SV
\7
<>
pioo
A[ddns
Jomo
‘Sq-SV
\7
<HvV>
poo
Ajddns
Jamog
‘81#9-ON-SV
V
SV 19490§ ‘9670d9-SVSN
SV
19490§
“€670d9-SVSN
Me1D§
“(OM)A8+
ALLE
M919§ “(OD
d8St+d LLE
M2I9§
‘8+
ELLE
Sv
397
(TV @qouy
(AN
TQ0Uy
aed ies
NOILdIHDSAQ
<p> <lTd> <g>
: <HV> ‘HdLON AGBIVEO9VT AV61PVT
ATISTLELVOT
AL
60S8ITNT
AC-THS8ITNI
AC OvSsi@NnI
AL-6ES8ITNI AC
BESBITNI
AC-LES8ITNI AC-OESBICNI
A600
LOZ
A800 10€Z LIHE6TES7
LIHL6TESZ
LIH861€S7 LIHZ61
SZ
ATN6S€0666002 ATNISE0666007
A8800E
P88
AOBOOEVETS
A8800E
18E8
ASOESLILZ
XETISTE8T
ALLISTE8Z
ALILIOL87
“ON
LHVd
CZ IOLA
Ln
9n cn
pn
€n
cn In
106L
106d
V10td V1OId
OtSV
6ISv
8ISVv
9ISV
£1Sv
TISV
OSV
“ON
“S34
5
= u at
=
to]
4 a
(16) REC OUT(R)
a
O
rm
c
<
<=
So
oO
iy)
~-
oO
a.
=e
REC ouT (L) (5)
ayeyd
sea
Pl]
onasse_
apingy
opind Joued u01]
MIIDG*(DE)A8t+
ALLE
uorysnd
JaA00 doy,
M19¢*(OM)NA9+dE
M2I9$‘(OMO8+O.LLP
M9998
(DE)A9tALLE
M919$‘
(NG)
d8+d
LE
MoS
A8t
ELLE
Joyse
AA Ld
JOp[OH
Surysnq
plop
V7
<)‘
1a‘
a>
[oued
roy
<HY>
[oued
seay
yoyourg
sIsseyD
(faqouy
(Md)qouy
suuds
Jodweg
suds
SV
oulely
onossea
A
eyrg
SV
JeyorIg
Ol]
NOILdIN9DS3G
LSI1
SLYWd
M3IA
G3001dX3-SISSVHOD
ASILI6187
ANOBIOELT
AO98LOCLT X6S8LITLTZ
AVEITLITZLZ
A8800EV8E3
ALE8Ob
187
AVLBSP8
187
A9MDDEVITS
A6800PPOES A8900EPSE8
AONBO0EVEES A8800€
18E8
¢900L8
Al-08P061
47
OSLOOELT
A9LOCTILTE
AVSLOCTI
LT
XALPLOETLT
AVS6ZOOILTE AVLTISTEBT
ASTISTE8T
VOLPO8ILT
78ZOOP8T
SEvO8ILe
AVCOLIOELE
AIPLOETLZ AI88011L2
“ON
LHVd
80SV
LOSV
posVv
£OSV
10SV
cOCV
COEV
I0EV
87V
LtW
9TV
StV
vev
€tV
CoV
0cV
61V
LIV
9IV
vIV
(aad
OV
6V
LV
OV
vV
IV
“ON
“S3u
—14—
—13—

FLUORESCENT
INDICATOR
TUBE
)
BJ337GK
IC
BLOCK
DIAGRAM
)
GRID
ASSIGNMENT
ee
BA6138
(METER
DRIVER)
#PC1228HA
(- OPERATION - r—— REPEAT——. - DOLBY KR —
OO c> (OFFI oS) FACE)
| ene * ~ . . re ——— —_——
LEVEL(dB) -cO -20 -16 -10 8 +4 4 2 0 2 +4 +6 6 48
OooooboeooceooooOnoOoOooOPoOoOoONOoCoCooCoosoebocCoooCooCooCooOOCOoooooooCoOOoOoOoONoEoOoOoOeboDoDoCoOooCKODO
LEFT CK J 000000 SO
(CRG 900000 ccsovcsconncueconnnnseses Joie tate cag eget soos |
(66,76)
8 8 B 8 B7. 8
MHONTNCADATACHDADNCAONTNCDODDNCOONADOOOONDOOLDDDCOCODDOEAcMDCAUAADORN GAD
ouTPuT
PIN CONNECTION i 1 i i i i i 1 ono
(Fin
no.
BASS
50
gee
re
CE
LC
ore
conection
El
blllelblald
lle
eee
eevee gels
INPUT 2
NOTE
1)
Fl,F2
---
Filament
}
2)
NP
------
No
pin
Ay
ese
De
Le
PACKING
VIEW
PARTS
LIST
5)
16*7G
---
Grid
ANODE
CONNECTION
REFNO.
PARTNO.
DESCRIPTION
29052883A Carton
29091636-IBY Pad (L)
2909 1637-I1BY Pad (R)
Sa ce Il Ge
Dnn fF WN
29100034-1Y Poly bag,650 x 850
282301Y Staple !
29110098Y or PP Tape or
29110071Y PP Tape
29361759Y UPC Label
7 Accessary bag ass’y
29342140Y Instruction manual (U7)
261504 Paper tape
29100097-1Y Poly bag,320 x 250
2010244 Pin cord
29365043 Y Warranty card <BI>
NOTE: <AH> : U.S.A., Canadian model only
<B> : U.K. model only
<Bl>_ : Australian model only
<C>: European model only j
—15— —~16—

te)
A
B
Cc
D
E
F
G
TAPE MECHANISM-EXPLODED VIEW
TAPE MECHANISM-PARTS LIST
REF.NO.
PART
NO.
DESCRIPTION
REF.NO.
PART
NO.
DESCRIPTION
2-2
24601245
Motor
reel
Z2
24603
149Y
Lever(EJ)
3 24611617 Head plate ZA 24603418Y Lever(SB)
3-9 24600126 R/P head ZS 24611612Y Retainer L
3-10 24600032 Erase head Z6 24605803 Y Spring
4 24601253A Main motor Z8 890301S Ring(E)
5 24606535 PCB control Z9 833126047Y 2.6TTP+4S, Screw
18 24602542 ‘Main belt Z11 24609074Y Screw
31 24602541 Pinch roller
—17—
13

PRINTED CIRCUIT BOARD-PARTS LIST
Main circuit PC board ass’y (NAAF-5336-3)
CIRCUIT NO. PART NO.
ICs
Q101 222905
Q105 22240388
Q113 22240147
Q201 222811
Q301,Q401 22240369
Q411 222959
Q501 22240313
Q701 22240866
Q702 22240239
Q904 222780055NEC
Transistors
Q103,Q104 221281
Q107-Q112 221281
Q403,Q404 2213285 or
2213284
Q405-Q410 221281
Q412 2211504
Q413 221281
Q414,Q415 2201883
Q416,Q417 221281Y
Q601 2213355 or
2213354
Q602 221281
Q603,Q604 2211705 or
2211706
Q703 221281
Q704,Q705 2211705 or
2211706
Q706 2213285 or
2213284
Q707 221281
Q708-Q902 2213285 or
2213284
Q903 2202724 or
2202725
Q905,Q906 2213285 or
2213284
Q907 2202724
2202725
Q908 2213355 or
2213354
Q909 2213090
Q910 221281
Diodes
D601-D606 223163
D701 224450752
D702 224450472
D703 223163
D901 ,D902 22380046
D904,D906 22380046
D907,D908 223163 or
223205Y
D909,D910 224451303
D911 224450562
D912-D914 = 223163
DESCRIPTION
uPC1228HA
HAI2142NT
wPC1330HA
NJM4558D-D
MS218AP
uPC1297CA
BAG6138
HD404336A 33S
TA7291S
MPC78MOSAHF
DTC114YS
DTCI14YS
2SC1740S-S or
2SC1740S-R
DTC114YS
2SA950-Y
DTCII4YS
2S8C1213-C
DTC114YS
2SA933S-S or
2S8A933S-R
DTC114YS
2SD655-E or
2SD655-F
DTC114YS
2SD655-E or
2SD655-F
2SC17408-S or
2S8C1740S-R
DTC1LIi4YS
2S8C1740S-S or
2S8C1740S-R
2SB1569A-D or
2SB1569A-E
2SC1740S-S or
2S8C1740S-R
2SB1569A-D
2SB1569A-E
2SA933S-S or
2SA933S-R
DTAIL4YS
DTC114YS
188133
MTZ7.5B, Zener
MTZ4.7B, Zener
18$133
AMOIZ
AMOIZ
188133 or
1SS270A
MTZ13C, Zener
MTZ5.6B, Zener
188133
-~19—
CIRCUIT NO.
D915
D916
D917
L101,L102
1L401,L402
L403,L404
L405,L406
L407
X701
C101,C102
C103,C104
C109,C110
C111,C112
C113,C114
C115,C116
Ci7
C121-C124
C125
C127,C128
C129,C130
C131-C136
C137-C140
C141,C142
C145,C146
C149
C151,C152
C€201,C202
C€203,C204
C205,C206
C207-C209
C210
C€301,C302
C305,C306
C307,C308
C403,C404
C405,C406
C€407,C408
€409,C410
C411,C412
C413,C414
C415,C416
C417,C418
C419,C420
C421-C424
C425
C427,C428
C429,C430
C431-C434
C435,C436
C437,C438
C439
C440,C443
C444
C445,C446
224452204
224450562
224450433
Coils
233436
231084
231085
231218
231223
3010150T
Capacitors
374726814
354780229
374721034
354744709
354761009
374721834
354744719
354780229
354780109
374722224
354761009
374722224
374721044
354741019
354761009
354741019
354761009
354780479
374721015
374721024
354761009
354742219
354761009
354741019
354761009
374722224
354761009
354744709
353781099
354761009
374721015
374724714
374721834
374724724
374724734
354742219
374721034
374724714
374722734
370131014
370131514
374722734
354780479
354722219
374723324
PART NO. DESCRIPTION
MTZJ22D, Zener
MTZ5.6B, Zener
MTZ4.3C, Zener
NMC-6081, MPX COIL
NCH-2132, CHOKE COIL
NCH-2133, CHOKE COIL
NCH-4453, CHOKE COIL
NLO-2064, OSC COIL
CST4.00MGW, CERA ROCK
ECQ-BSOV, 681J, TFC
CE04W50V, 2.2M, ELECT C
ECQ-BSOV, 103], TFC
CE04W16V, 47M, ELECT C
CE04W35V, 10M, ELECT C
ECQ-B50V, 183J, TFC
CE04W16V, 470M, ELECT C
CE04WSOV, 2.2M, ELECT C
CEO4WSO0V, IM, ELECT C
ECQ-BSOV, 222), TEC
CE04W35V, 10M, ELECT C
ECQ-BSOV, 222J, TFC
ECQ-V50V, 104], TFC
CE04W16V, 100M, ELECT C
CE04W35V, 10M, ELECT C
CE04W16V, 100M, ELECT C
CE04W35V, 10M, ELECT C
CE04WSO0V, 4.7M, ELECT C
ECQ-BSOV, 10IK, TFC
ECQ-BSOV, 102J, TFC
CE04W35V, 10M, ELECT C
CE04W16V, 220M, ELECT C
CE04W35V, 10M, ELECT C
CE04W16V, 100M, ELECT C
CE04W35V, 10M, ELECT C
ECQ-BSOV, 2225, TFC
CE04W35V, 10M, ELECT C
CE04W16V, 47M, ELECT C
CE04WSOV, 0.1M, ELECT C
CE04W35V, 10M, ELECT C
ECQ-B5OV, 101K, TFC
ECQ-B5OV, 471], TFC
ECQ-B50V, 1833, TFC
ECQ-B50V, 4725, TFC
ECQ-VSOV, 473], TFC
CE04W16V, 220M, ELECT C
ECQ-B5OV, 103J, TFC
ECQ-BSOV, 471], TFC
ECQ-V5O0V, 273, TFC
APS100V, 101J, APS C
APS100V, 151J, APS C
ECQ-V50V, 273], TEC
CE04WSO0V, 4.7M, ELECT C
CE04W6.3V, 220M, ELECT C
ECQ-BSOV, 3325, TFC
CIRCUIT NO. PART NO.
C447
C448
C450,C451
C452
C501,C502
€503,C504
C505
C601
C602
C606,C607
C608
C701,C709
C705,C903
C901
C902
C904
C905
C907
C909
C€908,C910
Corl
C913
C916
C918
C919
€920,C921
C922
C925
C926
C927
C928,C929
R117,R118
R403,R404
R447,R465
R461,R462
R702
R712
R903
R907
R908
R911
R915
R923
P101
P102
P105
P201,P202
P401
P701
374721034
370138224
354761009
354741019
354780479
354780109
354741019
354780479
374721044
354780109
354780109
354761009
354741019
374721044
393156827
354761009
354742219
354780229
393354727
354741019
354741029
354780229
354780229
354761019
354780479
354780479
354780229
354744709
354761009
374722734
374721044
Resistors
5210265Y
5210262
453530824
5210262
49163392405
443524704
453534794
453530224
443521004
443524714
443521004
453530104
Switches,Plugs
25055136
25045329
25055038
25055135
25055132
25050967 or
25050859
838430107
27190713
DESCRIPTION
ECQ-B50V, 103], TFC
APS100V, 822J, APS C
CE04W35V, 10M, ELECT C
CE04W16V, 100M, ELECT C
CE04WSOV, 4.7M, ELECT C
CE04W50V, 1M, ELECT C
CE04W 16V, 100M, ELECT C
CE04W50V, 4.7M, ELECT
ECQ-VSO0V, 104J, TFC
CE04W50V, IM, ELECT C
CE04W50V, IM, ELECT C
CE04W35V, 10M, ELECT C
CE04W 16V, 100M, ELECT C
ECQ-VSOV, 104J, TFC
CE04W25V, 6800M, FM C
CE04W35V, 10M, ELECT C
CE04W16V, 220M, ELECT C
CE04W5SO0V, 2.2M, ELECT C
CE04W25V, 4700M, VX C
CE04W 16V, 100M, ELECT C
CE04W 16V, 1000M, ELECT C
CE04W35V, 22M, ELECT C
CE04WSO0V, 2.2M, ELECT C
CE04W35V, 100M, ELECT C
CE04W50V, 47M, ELECT C
CE04WSOV, 4.7M, ELECT C
CE04WS50V, 2.2M, ELECT C
CE04W16V, 47M, ELECT C
CE04W35V, 10M, ELECT C
ECQ-V50V, 273J, TF C
ECQ-V50V, 104J, TFC
NO6HR, S5OKBC, TRIM R
NO6HR, 10KBC, TRIM R
RNU1/2WCJ, 8.2, METAL R
NO6HR, 1OKBC, TRIM R
RMI/10IJ, 3.9K*5, R NET
RS1/2WBJ, 47, METAL O
RNU1I/2WCJ, 0.47, METAL R
RNU1/2WCI, 2.2, METAL R
RS1/2WBJ, 10, METALOR
RS1/2WBJ, 470, METAL OR
RS1/2WB3J, 10, METAL O
RNU1/2WCJ, 1, METAL
NPLG-6P120,Pin plug
NPJ-4PDBL183,Pin jack
NPLG-2P29,Pin plug
NPLG-5P119,Pin Plug
NPLG-2P116,Pin plug
NSCT-27P654,Socket or
NSCT-27P754,Socket”
3TTB+10S(BC),Screw
UAMS-11-0,Holder
Display circuit PC board ass’y (NADIS-5337-3)
CIRCUIT NO. PART NO.
Transistor
Q751 212139
Resistors
R153 5104289
R155 $104251
R217 5104354
R47] $104290
P751 25050891 or
25050933
$771-S782 25035652
S784 25035652
27190838A
DESCRIPTION
“BJ337GK, FL Tube
N14RGLC250K, MN17Z, TRIM R
NI4RGLSOK, A17Z, TRIM R
NI4RLCIOOK, B17Z, TRIM R
N14RGLCSK, B17Z, TRIM R
Sockets,Switches, Holder
NSCT-27P686, Socket or
NSCT-27P720, Socket
NPS-111-S604, Power switch
NPS-111-S604, Power switch
HOLDER
Headphone PC board ass’y (NAETC-5338-3)
CIRCUIT NO. PART NO.
P301
Pin jack
25045255Y
DESCRIPTION
YKB21-5009, JACK
Switch PC board ass'y (NASW-5339-3)
CIRCUIT NO. PART NO.
P901
Swihch
Z\ 25035636
DESCRIPTION
NPS-111-L590P, Power switch
Power supply PC board ass’y (NAPS-5340-3)
CIRCUIT NO. PART NO.
P951
Plug
25055676
DESCRIPTION
“NPLG-2P632,Pin plug
Bus line PC board ass’y (NAETC-5509-1)
Q801
Q802
“Q803,Q804
Q805
ICs
22240844
22240906
Transistors
2213355 or
2213354
2213285 or
2213284
Diodes
D801-D803 223163
Coils
X801 3010163
X802 3010252
Capacitors
“C801,C802 354761009
Pin jack
P801 25045395Y
NOTE:
—~20—
HD404222C81S
Z86E08 12PSC
2SA933S8-S or
2SA933S-R
2SC1740S-S or
2SC1740S-R
18133
CST4.19MGW, CERA LOCK
CST12.0MTW, CERA LOCK
“CE04W35V, 10M ELECT
NPJ-2PDYE221
THE COMPONENTS IDENTIFIED BY MARK Z\ ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.

PRINTED CIRCUIT BOARD VIEW FROM BOTTOM SIDE
ssa BEKO
ols ae
“asco wesc ese n
nd
bey
wo
ct)
)
N
ee tele i
Aor » “402 wr
nih pcan weil
ei OF He aa
i$ “ot
MAIN
CIRCUIT
PC
BOARD
(NANF-5336-3)
SISELAY
CIEGUIT
PE
BOARD
(NADIS-5337-3)
-21-
=99—

A
B
Cc
D
E
F
G
)
SCHEMATIC
DIAGRAM
1/2
)
—-
=
-
--
——
-
—
-
+
+
-
eae
ee
)
po
:
|
P.B.EQ
AMP
NAAR-5
336-3
Q109
DOLBY
NR
H.P AMP
rs
a
ee
pTc114ys
-
R313
!
TIAYS
EREVDEC
120
104
(172)
x
LINE
MUTING
[42-2]
1
R105 C103
MPC1228HA
-
29
26
'
470
pi
2se
P
Ru3
8
Q10s
fy
C602
104
R507,
@304
(172)
[NaeTe-B330-3
g
HA12142NT
i
van
eee
JLBO1A
Peas
a
o
|
@
&
(90)
4)
2)
3)
44)
18)
pone
{|
we
Aan
ca64B
100K
|
C305
R314
P301
6
ie
100/16
o
x
9
s
120
°
|
my
x
100/16
3°
:
q
3 3
C3581
223
H
<
XR
je
=
TP-41
o
J301
t
=
ry
5 o
P105
eae
St
5
me
Wi
a
R309
gu
uv
.o)
3)
o
9
10K
aN
=
a
os
8
N
Vv
Roh
5)
ere
eee
Aes,
;
11.0]
5
im
) ee ==
be
be
CE07
thy
METER
1750
AMP.
R501
4.2K
:
R401
27K
0403 R405
28017408 10K
403 NCH-2133 R423 7 R435,
4.7mH = 10K
C407 47/16 R417 1.2K
R440 1M
R403 10KB
,
7
aot
cay
a
TI
ca18, C413,
ae
s
NCH-2132
163 R427
120
iS
c
gaat
era
Lg
8
Hoe)
ME
“oy
m@
3.
OmH
|
C4
R42
i?
S
\
Q401
(172)
SPT
cass
19
p72)
“Rtze
120
oe"
te
|
wien
M521
8AP
Rizilesoa:
=
aoe
af
avs
cy
}
27K
|
0.1750
2121s
2
3
REC
AMP
a
me
rm
re
we
we
es
oo
ee
@907
e0F
D301~0906
2SB1569A
ses
2.2172)
Q301,
Q902
1
AMO1Z o ? @905. @906
ma 28C17408
R905 470
ay:
401 (272)
c303
4700/25
: Playback Signal
~~~-~!Recording Signal
Q411 MPC1297CA
(5) (6) (7) (8)
4 1204
——>
a b
i
‘
,
aii
N
A
Siw
°
.
ttHo
cant
-
8 gq.
c
3\3
ife
a
-
=.
= =
s
=
NASW-5
3393-3)
NAPS-5
340-3
3
-_—__- = "See de 3
$901 228 i. |
R30
D808 120
Ds07 R310
D907, p908
1SS1330r
1882704
qQsog
F) DTAI14YS
ete |
- I
*T
L407
NLO-2064
R912 2.2K
Q414 2801213
0911 MTZ5.6B
Ed
ca15
223
ps12
kes 7
[email protected]
+82
ME. GND
84
Fi
F2
1 ! J ar i
oTc114¥S
Ss
8
0912,
0913,
0914
2sc1213 -——-—---7 ; 4188133 25A9355
R453
3.4
POWER SUPPLY
3 s a 3 3
AC1 20V/60Hz 103/41 25VAC NPT—1206D
AC230V/S0Hz 103/400VAC NPT-1206P
AC240V/50Hz 103/400VAC NPT—1 2060
|
Perera eee eee
ee
ee
eee
eer
ee
See
eS
—23— —24—

A
SCHEMATIC DIAGRAM 2/2
METER Poh
METER Loh
POWER OFF
S.RESET
+82
FL
a Ss i ee eS een ee So L$999 b
MICRO CMPUTER
HD404336A33S
R921 120
R716
2SD6s5
C706 223
D703
Q702 TA7291S
ROTATION
SENSER
Q706
28C1740S
R719 18K
707 223
I
MECHA DRIVE
—~25—
si
ll JL702A
So eee
st} —-—-
REEL (FF)
+82
so.
Q701
BIAS. CONT
cap
SOL
FF
REW
O-PLAY
OL ORVOFF
oo Bvt
TEST
S-RESET
GND
AYss
METAL SW
R703 R704
EF 3K
C701
10/35
| DECK MECHANISM
-_—— - ——— - — - — -. + —. - —- - —— -
a
NAAF-5 336-3!
=
—+—
'
H |
| '
H |
'
RI OUT
Pi
(CST aaa MRE
FL TUBE
Q751 BJ337GK
|| JLBOTA
Po $
aoe, aca Lege a eS
JL 801B
ries
801 4.19MHz
Ps8o1
@Q801 HD404222C81S
[ NAETC-5509—-1
OPERATION
R771 -RI72_—— RITE RTA R762
680 820 1.5K 2.2K 4.7K
ape, al rod dla al
$771 $772 S774 $775 S773
tr REW REC REPEAT RESET
R776 R777 R778 R779 R780
KI 660 820 1.5K 2.2K 4.9K
a
sToP PLAY PAUSE DOU MPX
NOT
@ THE COMPONENTS IDENTIFIED BY MARK AV ARE CRITICAL
REPLACE ONLY WITH PART NUMBER SPECIFIED
®@ VOLTAGE (MEASURED WITH VOLTMETER) G1S DC VOLTAGE. (NO INPUT SIGNAL)
® ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA933S UNLESS
OTHERWISE NOTED.
@ ALL NPN TRANSISTORS ARE EQUIVALENT TO 25C1740S UNLESS
OTHERWISE NOTED
@ ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
@ ELECTROLYTIC CAPACITORS (4) ARE IN pF/AW
®@ ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX)3pF+030, 33pF+330. 330pF+331. 0, O33nF+333
®@ ALL RESISTORS ARE IN OHMS 1/4 WATTS UNLESS OTHERWISE NOTED.
@ THE THICK LINES IN PC BOARD ARE THE PRINTING SIDE OF THE PARTS
EX) Eoetetl e PRINTING SIDE
@ CIRCUIT 1S SUBJECT TO CHANGE FOR iMPROVEMENT.
FOR SAFETY.
Re14 1.5K
Q802
Z86E081 2PSC
4 18
x02 gi
1 2MHz i? Sade
5 14
je 3
ey ee
ee be
0
Q60s
28017408
2SA933S
R816
1. SK
es a space a a casa Re han i Oy AS i a me eee
—26—

PRINTED
CIRCUIT
BOARD
VIEW
FROM
BOTTOM
SIDE
HEADPHONE PC BOARD
(NAETC-5338-3)
ae
om
:
SWITCH
PC
BOARD
(NASW-5339-3)
POWER SUPPLY PC BOARD
(NAPS-5340-3)
z
So
Bf
u
a
wo
&
fo}
nN
a
7
‘
ow
aS
TO
TIWANVIN SQDIAUSS
© NAD 1995
BUS LINE PC BOARD
(NAETC-5509-1)
NFAY DE tO B10) 1 (Or—)
LONDON
2)
>
wn)
wn
Mm
wmf
=
m
_
>
aS)
m
LS)
m
2)
A
-~27~—