Panasonic RX-DS45

RX-DS45 RX-DS45
m@
SCHEMATIC
DIAGRAM
-eAF,
MECHANISM
AND
POWER
SUPPLY
CIRCUIT
(Parts
list
on
pages
57~63)
1
2
3 4 5 6
7
8
9
10
Ta 4F
circuit
0324
‘ @105,20:
KSC2785GTA
2SD14:
16302
SWITCHING
Rez
MUTING
BAIS21I8N-DX
(AGC:
OFF)
:
A
a
K301
PLAY
EQ
AMP
ees
Ce
ey
MIX
MIC
Vee
ee
ee
ee
ee
4.5mvV,
93.5
(200
600.41
ov
1324
ov
re
107,207
(i)
9205
i
2SJI64QTA
S
neza
|
/
HEAD
SELECT
68K
(PLAY:ON)
3
Ploy:OV
0.6
ly
i)
2108
=
v
aS
R123
mea
J
|
68K
R/P
HEAD
Ri2t
Rech
=>
9
82k
os
.
b>
ERASE
xy
§
e
ost
B
ov
x
HE
AD
y
P
(46
3
3
B
208]
,°V
Q108]
8’
«
peers
TPA
toms
ay
;
g]
:
:
c
ov
1
q
ox
h
P
a
B
9
=eF
O108,
208
Q109,
110,209,
210
q
s
5
2SJ1I64QTA
e
m
on
End
HEAD
SELECT
1C303
1C306
KSC2785GTA
i
so
os
lt
(RECON)
BAIS218N-
DX
LEVEL
CONT.
(ATLS)
a
8
t
“
“
<j
TPS
AMP
£
ica
[SS
16303
:
©
a3
2x
8
O—-@)—@)
BAI5218N-DX
la
$
a2 of
av
7
42v
86V
REC
AMP
=
C201
R2ot {
R101
£102
o,
ah
M0.018
180K)
180K
106,206
ges
8s
R202
|
€208
|
C105
KSC2785GTA
Cc
ms
ve
mary
ts
130
PEKISOP
8X2
(AGC
AMP)
3
vB
|
:
ge
czor,
'
ox
K4
©
5
ex
oe! :
$x
<2 iy
gs
Sef
|
Se
%
i
&
aSar
8x
2s
8377
=
39
nx
ae
0321
a
ret
ae
UN4SIIFTA
=e"
=
SWITCHING
{
sx
(REC:ON)
Cy
9
Lb
xe
=
ao
<
Pe
ge
UN4IIFTA
is
=
wo
3s
MOTOR
DRIVE
n
D
a2
58
os
=
Love
Q330
ft
\
H
eee
ee
Se al
16304
9301,
302
i
@330
O31
16305
'
BA7755
2SD1302STA
R/P
SELECT
BIAS
OSC
ie)
KSC278561A
UN4216TA
BU2040
AGE
CAME
SOLENOID DRIVE
SYSTEM
CONT.
0319
i
KSC2785GTA
SWITCHING
304,
307
A
(
CD:OFF
)
KSC2785GTA
c3039
SWITCHING
3
Sapor
7
Gai
$
ne
2
(BEAT
PROCr,
Rs
as
y=
KSBSG64ACYTA
=
ag
SOLENOID
DRIVE
2
E
28
‘
B8T
st
RBIS
Q310
racy
=
a
8s
0.5V:
Solenoid
on
1K
g
Q307
os
Solenoid
on":
137V
x
gs
q
Pp
one
;
ov
nw
wf
aos.
pe
Solenoid
on
'14.4V
$8
Cc)
Res
UF
si
x
Solenoid
‘on :0.6V
Re
Se
DER
(eG
a]
Ia
RT
&
ee
ine
cae
eee)
PE)
CS
0303
R304
030!
0302
(0.6¥)
om,
(09
2
Polo
ke
ee
ae
2sD
1450RTA
10K
MAIGSTA
RVOMTZ4R7BTA
OV
C)
Ov
is
g
:
ee
4
SWITCHING
Am
R305
elt
NS
ot
i
i
CREC.ON)
33a
47
o30g
|
ov
B83
9306
aa
=
a
2
Ses
waren
aE
og
(48v)
“7B
6)
_O)___@)_@)_
©
G)
©)
®
C5
C2)(3).
295)
VLD
OION
2.7
Ov
sFley
/t
Pw305
2B
Pw
>
eo
>
POC
2°
So
2s
a
>
>
PM802
coe
e
0.8V:Pley
f3
ieee
estat
Uh
No
dene
=
Ss
tA
2
82
8
2S
2
oa
F
|
ar
aN
OROMONOMOMOROMEOROMO
2
¢
ee
ae
oa
220
ial
=
a
=
<
<
3
=P7-fPapsrp
P7
Pate
1
c97i
e—_——_—_——-
—
ee
Lh
Slo
Zh
=
2a
MN
XrOOF
To
BY
tuner
cincuiticsay
tof
system
27S
=)
eb)
ate
ral
(Page
15)
CONTROL
CIRCUIT
31l¢
&
PLeletlel?
2
(CM
803)
(Page
17)
ev
~
9309
0308
0306
Q315
0313,314,316~318
5S
Ge
=
2
=
ice7
2SD965RTA
UN4STIF
TA
KSC2785GTA
UN4217TA
KSC2785GTA
eo
e©
+=
mw
8
=
c
DN685!I1ALB
MOTOR
DRIVE
SWITCHING
BIAS
OSC
CONT.
INTERFACE
INTERFACE
oo
8
&
&
&
S
HALL
IC
a fF
&
Boa
MECHANISM CIRCUIT
-
23-
—24-