Table of Contents
Advertisement
TA- AV411
2-8. SCHEMATIC
DIAGRAM
Ue er ok eteata A oes
—
2
3
4
5
6
8
9
10
11
12
3.
|
14
15
16
7
18
19
20
21
22
23
24
25
260
27
J502-3
:
F :
:
:
TCeOT
ages
CS
oe
eee
ee
ea
eG
eee ee
ee
rot
1
:
i e r
eS nee
ee oe
705 2SAT1%2
7
a5
:
.
f
BOARD}
[HP
JOINT
BOARD]
A506 Ik
|
3
E
fi
A
TAPE IN
=
ue
ene
on
I
ee
wats er
ee 1.5k
|
M
-
|
neis
i
Ba)
ee
[ seo WAN
J700
H
=
k
TOKHZ!
>
'
'
[PHONES]
ee
R5Oe Tk
:
|
; 4
+
:
4
+ RV405
1
o y
CAB
x
!
oe 67.5
ne apie
a
+
: AN Ee laos
1
. |
=
EA
C403
.
3
431
751-754
R783
=e
A508 x
+
| iis
| |
Sov
r
| | Cia]
yi
2
| |
ai
Lay 2
the
DIFF AMP
360
[HP
BOARD ]
WIBEO_ IN
rn
:
:
.
;
F
EeTS
'
=
:
'
cN707 +
ee)
501-3
R502 27k
eis
:
|
1
L
SOV) cate | ee
|
| 83
uta
3.3
P-5p.
2sc792
+ | AA eN706
:
——_
ISP
TM
BOARD
}
ca_IN
ms
v7
[(c4017]
Fa
ve
a
J501-5
R501 330
Ws
es
R724
L701
|
7
PHONG _IN
C510
| 1
25hre\er
0402
TONE CONTROL AMP
DES
:
1 | R22
:
'
aos
|?
u
10
0.001
@BFB SW1TCHING
28C2785
tools
c70)
soe
330
R726
R734
RYZB ILS ENDO4)
:
=
y
:
0}
BBFB SWITCHING
mot
Sy
eee
C705 47 ZV
Geel
y
R720
1/24
o
10
tay a
ig
Lo
5
C413
s
+
3
1
+
Lk
+
Lot!
L
B>A*OFF
= A+B
"11.
'0
So 28
|
Ti e703"18
os
Ne
ak {R721
| 8727
|n7a0 c710]
|arze 10
ito
7
F
& Sov
TY
:
fr
avi zat
0
g7or | 27° | |RASF B= | Ik
pret!
15k 0.1
i ty!
ul
Pol To]
R
'
are
:
©
+ 10402
'
iL
"stb C708
"eg
10
ebb
Tot
£
'
oft to
2
B
"
&
<
5
Rigi cabin
SOV
LB1639 | | R417
702 >
47 tL
i
:
Mim
FRONT SPEAKER
Boe
Ze BoB
£04,
R409
R410
ao}
|4:7%
= |220p
R703
f705
|
16V
R718
ahs
+
:
:
of i
50!
P°S
SESE
g
ji
swt
=
4.7 ayo
2 1.5k
alia
i
a
=
704 om
Soe
ee
Her
a713
SE | a4,
Lassoe :
mi
TOREDANGE, USE:
TO CONT BOARA 1/2
ae
=
a
:
B=
p2sc18
8-160
.
1¢502 167822
'
|
Réos
-1
$
car Sb 25h
IBALANGE) Ss he
RAPUEEIL-2*
.
8
Fa
2502785
IN4148M] e-79g
a
PSAl215)
| BQ
s
maa
|
:
ene
as
—
220
R729.
otto
L
em
sate
poor RAQS#R408
RAL
ENCOd
Tan
ama
a
|
AI .500v
TON
ee
ides
iALI#
|
|
Lol Ho
-
"LIN
ie
B=] casi
givin
100%
ae
j
ae
R731
i
i
Lo to
2
(N10
CELE
[CONT
BOARD
2/2]
C555
C556
;
FE
—-
:
Se
ee
oe
Oe
ee
a
a
BE,
Sieh
I
5
a
a
1 24
;
le
:
u
My)
[ees
Vee] o712,
| a
5
|
PGND IN
ie
ue
Tes
ros
=A
RIGHT
(Bt
"2
his
ui
Ey
re]
t
|
rol
,
Se
a
B
hak
Ss
R763
oft
-
:
ee'
RSSZ Ik
*
"Wr
RR?
(roonZ] (Ssonz]
[KAZ]
SKA]
"2
aa
Sy
i
22
enEGeL
'
1
aL
Lf |
01-2
RSSS tk
i
s
RV410
RV451
RV452.-RV453—ORVASS
1k
ae
aN, IM
S
Bie)
Pate)
Pay
OVER LOAD BET
|
tL.
—_
- ___
.__.
|
—
BIG
i
lf
TE
Ss
|
:
:
Cc a
vO I
Sree
niga
INPUT
4
'we
KE
Rag
al
R767
es
eae
mex
Ins 46M
|
Note on Schematic Diagram:
TUNER!
BALANCE
[
:
=
'
0
{Ss
'
t
vars
a
HE
i
i
i
J502-6
RSS3 10K
N5218AL
7
: an es el
cn4o2!
Po
fe
=
s
R7E9CS/
R774
Is | |_0742
SP
BOARD ]
INGT4BM wy 5Y
@
All capacitors
are in
uF unless otherwise
noted.
pF:
wuF
REC UT
Ww
G455 om usr 3 casa
cue) t
;
DSheEa3A
j
ele
lliis
| BR | lazesl
eros
10
gX°| 282921
[SURR
JOINT
BOARD]
Balen
"Soo aL
STOP 106
Lz
ficmoc
ro a
re
|
ae
]
°
e
ks
a
in
ra
| Hasek
|
ae
|| '50V
i
Se
te
MUTING
|
re
STS
ie
OR || tk = aN
eae
:
tie
NG, th hone a > pepe
eee
:
i
SWITCHING
6-5 7 |_|
rl
ES
alls
<5
60
2 0
pee
sel, aoe |
S5OWV
or
less are
not
indicated
except
for electrolytics
c=)
:
:
.
i
iJ
Th53
0.012 | 0.0089
| 0.0012
a
oe
[VOL
BOARD]
|
1 {R72
a
1k
B30. 172W
pad
| [SURR
BOARD
]
i p ae
g
=
FLIOI
Sie
ietean eda
a
101 PHONG]
| sio2 TUNER!
sigs
(Al | stos [TAPE] | sios (WIBEO)
ft
and tantalums
;
i
'
3
:
B=]
:
~ececocooes:
nee
| uu
tit
"et
aS
a
aa
r
:
Q
7
TTT
agus [|
Pas
|
I
ron
|
All
resist
i n
2
and '/,W or less
unless
otherwise
'
ae
A4S4eRAsox
Ate
|
AAA
7
'
|
ae
4
p
RII
malts
ro
-
REAR SPEAKER
4
Wee
3-4
2802785 |p ,
=F
cts
=
Bj
®
resistors
are
in
an
4
ss
s
is
Ms kaRAS
:
5)
yb
ie
756
|laocl
ok
TT
R777
R780 C760)
FT
Sil ey
H
TUEReeTaE
(3)
(S1.) ccd
SWITCHING C "
t—~o o—
a
5V
ie
e305)
t——+
u
C75)
R752 33k
oes 4 | 30% Be
arya)
ON
re
10
ab
603 i]!
=
4.9
OT)
|cio2
pe7t |
mi
sio3 [4]
suo
El
STOP
)
specified.
1C305 (172)
R451]
R453/C452
8
a
fa)
2.2k
'
1N4148M,
a
Sy oe
BUFFER AMP
MSZ1BAL
11g
[B+]
700k!
330 |. 47
+1
1
EA
iy 7
Ree
9754
Z
POWER AMP (REAR)
7
(>
4|
0.1
R107
We
[REAR LEVEL
REAR LEVEL]
G
J
;
BUFFER AMP
:
4
moos
SOV
i
G
R759
18
An
US1030
'yy,
' 1 4
330
All2e
|S
F
R303
C304
C307
C451
PA)
c
330
'
R775 ~ [ o s
1c40!
+
4.7KT
i
S116
=
cha
aha
{IDBFB
BOARD
]
e
: nonflammable
resistor
10K
16 50V
ig
(8)
4.7
| |
i
"0.4
a
ae
i"
|e
5 it:
29-4
see ©
ai
Sette)
+9
$0
o
fo
6
.
50V
A
if
:
TN
f
V Y } | oR
i)
C191
—
[BOLBY]
ACL
S115
:
.
:
D
|
y
a
av
Nat
R413
TO CONT BOARD 2/2 +
2802785
4
iy Zam si
BE) ae 2skties
e
oie)
aves
1
t
ceor
pons
»Ge0,.|
L601
;
SEG2 (fo)
fio yer 4.47
AOS Ailes
SORROUND MODE
g113 DOLBY]: | 5114 IHALL]
STHUCATED
ait
@
fw
: fusible resistor.
'
oo
oe
<
RaSse
'
R760
R761
2502682
'
=.
M0
800008
S
D.22eeer ven
sees @)
;
olo}*
mt oj
-
om
t
| |
=
R452
58
| +
220
220
68.1
0763
R779.
—
Ww
secs (2)
Sa TTCHING
in
a
am Fl Re
2|7/
|
Slol
an,
SORROUND
a
,
"68.1
R746
2SA1215
id
¥
LAF
i
4
i
=
=
MB Ira
0
'
.
+g:
+
——
ee
2
Cc
'
sos (@
Mito ©
4
4
MOaE
Note:
The components
identified by mark
or dotted
$0
9452
CAIT R&I 4
8
:
a
it
RIBIF
nop
'
z
8607
RGO6
DODOOVOOCOGOOOOODO0OO8)
Sle
|
F
.
Ae
i v
|
2sti78s
Lif sv47e']
oie
"SK | aes
:
| ropa]
Eo
se | 220
a
|
Ne S
=
2G
5c R eos
mle
se
1s
1 OB
line with mark
are critical for safety.
J
Ol
og:
| (as.
ae
ee
en
me: A
Té0V
pom
I
sees (Q)
—
SaE
«cli
insteam| = 1NeteM
a
Replace only with part number specified.
aii
Q451 2SK246YGR-TPEZ
T@454]
Tone cotrou av
:
[ AMP-R
BOARD ]
nga
|
=
secs (@) |
G@)
v2
a5
=
2
& B105
*
k
«&
x
5
__DBFB SWITCHING _
.
j
180 *
=|
Fé04
céo7/_% | =|
|Reos
@)
vsr
Sy
eet ini
N41 48M
sir
109
-
'
SWITCHING
TE ES Bo Ny
eh ee
hg
ee
ee
ee
ee
| Reo! 5
bids
£608 os
ed
Ss
10
——
es (54)
POWER/RY
KEY SEG1 ea
1N4148M
ie
e
: B+
Line
7
a (cao)
"= | BS
oS)
-R/SP/RY
23.5
i
C403
=
[C101]
2.
+2
:
4
ms
cN2 |
2 ey
aLsov Rega
Re10
|
a
a
xi
SYSTEM CONTROL
3
3@—71]
bd
: B—
Line
u
a
.
a
(ee
:
j
x2
:
-
FA
|
es
OD
eas
Os
no mark: No-signalPHONO MODE
26
k
-717~
:
'
F
E
ace
VC707)
'
a
x1
Or
© Voltages are taken with a VOM (input impedance 10M Q)
Q715
1C701
46
x101
xT2
(24)—
i
ae
:
B=]
DSCSBUSKTP-LK
uN
pPCIZSTHA
Z
wis
|
28
;
ORLC/READY
onan
Voltage variations may be noted due to normal produc-
Nw
&
5V
MUTING
a
2SC2785
'
MIX/SW
(22)
4
.
46
ehecae
Sr
|
RELAY DRIVE
aes
;
Satay
P
27
tion
tolerances.
[e403
103
4
7
:
|
ae
a7 hy
740
=
o y
ENeO!
sss
7
Rie
#
@
Waveforms are taken with a oscilloscope.
:
a
a
eS
te ees
Zaz
S52
3322
=
2
RI
er
=z
=
X7S7<
Py,
19
|
R736 56k
|
ata
2 be als &
S|
ays
47K
Voltage
variations
may
be noted
due to normal
produc-
|
"Ke +
||
Den?
$08
:
z | * |= lage
Ss
tion tolerances.
1
16ve
mye oe
=
7
|
E23, =
47,
INKTABN 9738
|
=
@
Circled numbers refer to waveforms.
F
l
cris RRAl C71
:
=e
Signal path.
pe
ee
100
|
$.3V
aey
|
c>
: PHONO
!
ieee gf
QOLBY SURROUND
| 4g
a
[CN
BOARD
]
c
7
(1€951]
1707
| R35
C353
CNY:
3.8
toe
PASSIVE BECOAER
iesstl
usiogo
Yow
1
;
hy SB
sv
a
ay
"Hy! RAS
-
aes
ass? icast
"FB" p9s7
B+
fags;
6°31
f h eee =
&
| tart
a SO ara
[Mts sao
a
ve:
22
7805
SOV UZL=27
ross
nv-to2 ov
BY
|e
|
1901
AS
a
eae
a
A
r
+5V
190d0
Fa
6
10
e352)
aah
a
7
2.2
: aii
al
pel cae!
tL
Tv
;
5
1
po
bipeies
tee
mnie)
ODEOROT
=
C314
3.7
241
|
al °H65
1g
les
16301 (2/2)
1302
a
'30p-l3 76
24
= ey
R956]
ROSS
aL 6954
ie Z|
c952
M5218AL
L4966 -11.9 |-| | pOtOR,
6.1
ane
re
5.6k|
220
Ee
gogo
)
6.01
1
G
16301
9302
0304 BNIFAH
é
21
it
is |
2
+
[315A
:
BUFFER: ANP
BNIF4M
11.9
ee
7
ae
on
TCg52
ie
A
ig
TO CONT BOARD 1/2
w
Ad
5
.
|
or
ae
=
5
|
RISE 2.2 1C952 7812
ae
saoossy
NL
ST ah A
W.9
1t.9
-
!
m
4317
Bano
iS
EI
Tt
1
a
959 +
955
ed
Fae F shy
Rais
6
9307
R/SP/RY
R426
100K
T
2
2200
foe?
19953 L cose
R/RY|
MIX}
SIM
a
.
2512012
5v
10E2
7 0.022
_—_-—:-
Oho?
—-
-
"3p308
R323
=
OOOO
OD OOM
DOO
AD
REG
£945
0960
ROS?
9954
9953.
0301
71 47k
"7k
ai
q
Tin
4
4°77
70004
£954
957
.
AN; td
2SAT175
2802785
£958
5
;
OFF;
LC
YL | Lt | patram
9.0
stl
Lo]
cas
|
ye
<|s|
ey
=27N
7 25V oe
T 9567
10E2
J0-022
LA]
9952
'Qf
AC OFF QETEGT
RELAY aR)
a9s2
sales
Ava0t
S|]
1505
R/MUTE
4K
1
:
'
2802012
| PY
Ce) athe
~
a, fois]
"ual
TTT
BP
en
1H
wie
_ Aa |
i A
IC502 LC7822
IC701 » PC1237HA
HALL | H | HW | OL
BAIFAM
aso1-as0g
A729
c330
aly
0337
C338
:
ay
a
= =
'
Birney
0329 4f R345
SY]
35
AAA
GY — 4h0336
aL 320
fcss3
470
{Md
270
a
:
H
s.stT[H | H | H
D o h e SH TTCRING
:
bv T PEF
soy OT Ey
oye
ivan) T&S
REE
cNSO}
CNPSO!
|
MIX
+
J
|
A
1.
SIM
1
I
io
a
ee
ee
=
eg
Ee
i
pe
St
a
fe
ge
ee
a
ee
kg
a957_
956
955
1902
'
25C2785
2SATI75
2502785
!
965
=e
SWITCHING
AC
GFF
DETECT
J
ares
Ss ef
NN er
emer
[ FUSE BOARD]
QO
LATCH /
R 5d8 OUT
R 1dB IN
R 1d8 OUT
AUTORESET
IC404 LC7535
OUT
2-9. IC BLOCK
DIAGRAMS
IC302 LC4966
IC402 LB1639
DRIVE
CIRCUIT
aa
es
vss
IN'4
GND
V CONT
IN2
CONTROL
.
"6
VY
a
|
Xx
£\
ES
LS
LVN
IN/OUT
OUT/IN
OUT/IN
IN/OUT
CONT B CONT C
Se
Advertisement
Table of Contents
