JVC D-M3 - Page 13

D-M3 A/B/C/E/J/U
Standard Schematic Diagram of D-M3 iain ampiitier circuit)
ANRS/DOLBY
B
NR
PROCESSOR
1.
Unless
otherwise
specified,
all
resistors
are
1/6
P.B_HEAD
AMP
]
W,
+5%
carbon
resistors.
IClOl
AN7362N
RI45
27K
ous
Os
;
And
all
capacitors
are
50
V
fixed
ceramic
=
:
a
527
.
capacitors
or
50
V
mylar
capacitors.
Q101,102
Q103
OI94,108
oe
“I
“
REC-—-
OFF
-=PLAY
2.
UF
—
Unflammable
carbon
resistor
|
BSCIOSSUBEI
-
/2SC200UKL
on
esceriieny
|
&
rr
$902
MF
_—
Metal
film
resistor
CONNECTO
Oe
|
TIMER
Sw
OMF
—
Oxided
metal
film
resistor
CONNECTOR
Soa
i
4
‘OSs
/30I-I01
TO
MECHA
F
f
:
PWB
RI08
zi
CN903
Tage
ce
Ta
—
Tantalum
solid
electrolytic
capacitor
71
I
&
ox
hse
|
&
Cs03
son
;
LL
—
+20%
low
leak
current
electrolytic
Me
gc
$8
z38
af
=
capacitor
O-
i
ome
2°
C105
eS
|
2
Os02
P
i
.
es,
pen
cas
on
ae
j
PP
—
Polypropylence
capacitor
QO—HPO
42
a
Sees
Co
eh
cores
cas
a
81
62 82
83
81
81
62
166
I5-
8!
83
84
6
maa
|
'
Oso
BS),
Polystwene
capacitor
—O-
+0
13
Oa)
ys
[08
L
|
ist}
=¢
a
3
+
oO
of
?
e
we
7
MM
—
Metallized
mylar
capacitor
A
LO
|4
es
cio2
S
0.05
28
8
2
3
ge
NP
—
Non-polarized
electrolytic
capacitor
0.0012p¢4F-#
rose?
|
|G
a
>
F
$e
a)
oa]
3
is
3.
Blue
line
shows
the
signal
at
playback.
(3
as
7
°
pet
g|
F
8
:
—
bow
0
:
:
:
pO
|e
“7
aior
C104
15K
fare)
|
Be
8
8
ogy
5|
¢
>
78
TO
SPEED
Sw
z=
—_—
—™"
1
Red
line
shows
the
signal
at
recording,
and
+B
wgmeetlis
tollel
lL]
&
ee
Ty
e218]
8]
|
3
8[
E
|
pt
cuit
H
|
|
y
3}
{
|
:
-Ool
|_|
S$,
993)
L___
Ww
ola
LI018
LI0zg3
who
me
me
®
Fl
oe
]
I
4.
<\
part
are
safety
assurance
parts.
When
replac-
pene
|
gio2
PN
20
220K
To
Say
:
voz
var
as
3
Ss;
Si]
¢
2
=
age
Lm
ses]
280
—_ppre_
2Acm/s
ing
those
parts,
make
sure
to
use
the
specified
ee
Cy)
8
Le
ez
=
“3
18
ooz}
Eooz|)
2]
2}
_|
wl
8
|
co0a
re
=|
r
S
one.
oon
0
|
eh
°
z)
}2
uy
riag
9
94
|
|
€)
3)
3
3
i
$e
|
S
seo]
—
20
__¢pp
22
4
eye
5.
Voltage
values
are
mesured
by
the
following
meter
i
&
3;
=
Oo}
|
2
[39x
|
58]
on
SON
3
x
l
=
|
without
input
signal
at
NR
SW
=
OFF,
recording
=
q
N
=
=?
ate
oa
¥
|
2
.
=
re
S10)
{pp
0025
g
ANRS
mode
and
tape
select
SW
=
METAL.
(HEAD
R7PSW)
RI04
|
O7
3
3
oS
$95
ms
|
is
o
%
RCH
+8
q
t
l
=
E.
Voltmeter
=
Electronic
Voltmeter
2
mS
|
.
eae
:
Wvwister!
9201.
a
39K
202,
ge
|
OF.
8
S
22
0
al
<
ag¥
x
z
207
20
$9)
2224
4
Norma
|
C.
Tester
=
Circuit
Tester
(20kQ/V
impedance)
=
J
1
=
ed
INPUT
LEVEL
ror
Sox
CR
gis
cig,
D
a
Lo
=
at
m
|
t
I
>
(
less
than
10V
—
10V
range
)
evo
Baia)
3
ay
2SC536(F,G)
|
zie
H
a
21
lopez)
GA
PBEQ
ADU
ry
Do
1
2g
.
J
i
905
Ea
oe
epposes
¢
METAL
10V
or
more
—
5OV
range
VRIO3
[
(a2)
R904
fi
2)
xe
fH.2
va
s
°
.
[ezes,
B50
Boe
c90l
166 330
V4wiuF))
o|
So
0.
es
t+
-Svri02)
20K
(8)
ST
&
S90I-I-1
i
g
rae
=
$901-1-2
|
I
I
s
|
4
=
}-
=
ss
-<o
%
‘
|
|
6
a
H
aby
25v
Seer:
8)
s
SS
ze
5
em
ee
ee
—
outT=+iNn
|
901
906
|
i
ae
Let
%
[REC7PS
AMP]
ze]
i
2
|s90I-1
ANRS/DOLBY
B
SW
|
i
|
neziszze24s25
iV
QZI901-O01
Bt
Bia(B2)
Q90!
ze.
i
i
om
i
-*
-
=——-
im
=
Lb:
ams
hs)
ae
R902
10K
=
ia
i
Ing
re
Bewrsre
gees
osnooo
J
ice
3
A/B/E
|
POWER
ym
|
Z
=
|
a
—
TT
aipcaiy
Te
eh
aed
a
i.
-
Og
Che
RSIS
IS,
!
QMS6313-009
a5
|
°
MAI65
Go
ftrmans
(C901
HAI2036
a
Q903
904
rit
TO
MECHA
CONTROL
PWB
=
YE
—
pies
tse:
Aer
VAD
re
ne
j
|
2SC1684R,S)
OR
|
288564
(RS)
oR
|
Drecmre
9,
(2401,
|
=
‘
‘
G
;
|
i
M108
6
00!yI0K
6128)
7122)
ou
18
|
2SC536
(FG)
2SAa608(
FG)
[sos
wha
—_
'
|
:
oP
+
+f
77
aT
0
2
|
i
|
506
|
—_<¢
RUZ
470
J.)
|
166
ko
SET)
~
ig
i
vl
Sf
“cos
|
lo
|
'
23
|
g{2
|[MOTING
DRIVE
H
=
ie
!
oS
3.3y25v
+
s
|
«(8
eat
wx
BY!
'c902
UPC4557¢
2
2
TT
£
r
©
e
HSo63
OF
Cl48
RI40
27K
3
°
T
r
Ey
(Gu)
84
}o—8.
é
848
Ze
og,
fF
¢
yw.
rR
wets
culo
|
=
BAZ
:
ern
|
8
ip
50V
¥v
oes
$
43
\y
SOV
|
ae
write
OvouTace
SELECT
sw
2
a
2
x
166.
a
db
wll
QSS2325
yt
0
-O-4+—
x
ay
6
es
RIB
ea
™
203(BS)
3
560
32
o
29
Bl]
73
83
6.
|
us,
Reco
|
ipa
De
1X2
32
|
LINE
IN
2
2
SSS
+83
=
52
wees,
ae
&
o
4
7°
bi
415)
136)
D127)
O20
|
z
BEN
pots!
-
Ele
oN
Sige
:
2 a
-
4
a
RI
K
iq
H
|
Y
whg¢
°o
Oa
0
{
es
7
5
=
=
=
=
=
=
io
J
ROOT
IK
abe
Peay
wy
Be
oss
68K)
|
j
|
t
=]
POWER
CORD
|
Y
ee
Wi
B35
oes
BSS
=
gx
ME
Eo
8
TiSaae
SN
HEAD
PHONE
JACK!
tf
YEL(240V)
'
_
_
rm
sys
WEL
&
ee
P
ps5
zi
oo
g
538
S
E>
x
QMS6302-112
i
z
F
soz
Mx
la106
107
|
€
S
2onsE
als
0903
=
a
x
|
3
{
a)
x}-~
allo
|
=
3
z
Oy
x/8
au
873
|
Sse
158
S12
e
()
L
Lae)
13
5
i
ra
&
i
wea)
—x
|
Bu
Bio
nN
co
R
840°
ol
x
I=
LINE
OUT
oeseasn
|S
ST
g78
N
Bs
eo
|.
21%
i=
a
rom
o|
2
elo
wo
Ny.
”
0
Oo
|
5}
>
1
’
2
g|
=/gssg
|
8
B55
SBN
|
eee
5
c
a
on
S
a
bea
=
A70PI|(u)
|i
=
ee
OG
z
i
VMJ3004
-:
|
mis
|
=
RIZG
33K
mg
|
POWER
TRANS
AC
OUTLET
|
—
T
39°
[OOK
¢
Ci
VTP09u3-0218
aMmco235-003
+
a
Wy
Pozis-06!
‘52
:
D907
|
2SC2O0I(L,K)
1
Sa
a
eee
nt
a
ie,
eet
Coe
ae
neha,
+
el
CI7|_3.3p
50v
aaa
eS
POWER
SW
/\
POWER
TRANS
|
Maree
#
g
IRS
in
paisoistea
|.”
asPozs-o6
—*\.
vrposa3-o216
LI
OSC
COIL
»>
oe
ss
Pale
i
Q5i
2sciessR,
TY
15
10E2
2B
i
ON
=
OFF
TP901
VQHI009-024
BIAS
CUT
Yo
arcle
z
Jeol
he
Coney
eS
Aa
RED
wat
E.HEAD
‘
o
=
OOPS
{
5|
xX
2
@
ies
=
E
CONNECTOR
Hee
PONT
ve
3H
=
BIAS
ADY
Qi08,0906
OG
|
3 |
x
i
232
eies
—_
A081
AZ)
I
Pw
"
&
zsciesain,s)
oR
=
Sb”
ode
=
5
Scr
aX
a
ZN
178
182
eGwen
as
'
3
2SC536(FG)
a
Ss
g
oF
EoCi0im
=f
Rx
{
fo,
'
I
ae
"
Bie
Box
Is
:
3
5
[pra]
4
7h
es
Po
era
SES
'
8.2K
CORD
9.
Ysa
le
x
N
i}
@t
-€)
|
ors
7)
cer
Oop
NEVE
I=
S|
|g
av
/N|
"foo.
rd
3
-
|
ae
Sil
3
sls
=
1
tS
|e
-
(Jen,
ole
(ee)
oe
3
a
i
ys
ul
ry
Oo;
o
m
—
=
]
O
|2|
@4
Lee
We
Ya
s\e
ge
|
|
as
103
[903|]904
[203
Jz02
]201
1
coe
3
3
Ac
120v
3
;
oon
2
Lo—to
|s|
e}|
—
LPT
ee
Si
«eee
ae
|e
°
|
$|
Fels
:
E.HEAD
a>
=
orn
fle
Vk
mist
*
1,
°
8
SKS
VGHaai2
ee
|
&
[eae
R929
47
OHO!
ogo6
Sit
ae
fe
5
(905-1
8
off
uf
ee
4
7
3
OmOs
#Os
DaOaOu
i
Oo)
al
RED
RW
Y
T
3
99
1
2802,
=
es
pe
2SCIGB4(R,S)
OR
—2SCIGBS(R,S)
OR
Eien
8
cc)
i8
F833)
|
eos
f°
|
et
‘Al
|
ail
8
AX
AC
OUTLET
wi
8x
Rls
9
-28C536(G,H)
2SC536
(FG)
at
7138
8
a
ee
/
<
RCH
|
£2.\
QMC0235-003
So
BRS
aS
SR)
3a
21s
z\/
!
TAPE
SELECT
25vy
s
|
OT
BN
Try
oT
So
2
oO]
ole)
/
U
RIGO
47K
2
ee
1
a
‘
&
!
|
ine
A
1
D-M3
C/J|
|
e
gas
ae
mm
/
|
|
ar
|
S|
1
PE
yh
C813
33p
2vS9
/
{
F
/
2
x
2
/
/
NORMAL
/
L__#e8_____|®_
Beate
Me]
ee
J
J
|
576A
y
oe
ee)
ee)
ee
eee
Coe
|
Sao
HIGH
SPEED]
524
523
LOW
SPEED
504
MUTE
ta
ta
pos
foe
fsa
ozo,
Ye
NY
4
'
Ls
a
be
|
@1@
@@
@1@|@
|
pe
t
‘
CHASSIS
EARTH
2
524
523
504
903
522
521
520
TO
MECHA
CONTROL
P.W.B
TO
MECHA
CONTROL
PWB
TO
MECHA
TO
MECHA
CONTROL
PWB
6
SiG"
eo
Ea.
O48.
AE
J
“contro
rs
=e
=a
Be
oor
Pw.B
LIO
MODULE
LTIO69
(wt)
D926 SLF305C
Fig. 19 ie |
—~13— No. 4213