Panasonic RX-DT505 - Page 21

2
RX-DT505
RX-DT505
:
|
@
SCHEMATIC
DIAGRAM
etape
DECK/MECHANISM
CIRCUIT
(Pars
list
on
Pages 67~73.)
Notes:
1
2
3
4
5
<for
Main/Operation/Al
control
circuit>
‘
H
H
°S801A
__: Aljogdial.
(Al
JOG)
c—>:
FM
Signal
Line
eS801
: Counter
reset
switch.
(COUNTER
RESET)
‘
.
.
|
S802
:
Reverse
mode
select
switch.
(REVERSE
MODE)
e——
:
AF
Signal
Line
Pee
eee
ee
©S803
:
Deck
select
switch.
(DECK
1/2)
_
Mi
;
H
Pemiye
S804
: Timer
play
switch.
(REC-TIMER)
esas):
Mic
Signal
Line
‘
hi
cass
.
©S805
: Timer
recording
switch.
(REC-TIMER)
ue
rt
pies
:
Sleep
switch,
(SLEEP)
m=
:
Tape
Playback
Signal
Line
vies
noone
a
ti
; le
S807
:
Set
switch.
(SET)
Re
UN4210TA
OS
©S808
:
Recording
pause
switch.
(@
#1)
>:
CD
Signal
Line
(HIGH.
SPEED)
=e.
bees
©S809
: ATLS
switch.
(ATLS)
2
.
.
.
53
S810
-
Tone
level
control
switch.
(TONE
LEVEL)
ooo:
Recording
Signal
Line
8:
:
S811
:
Cancel
switch.
(CANCEL)
F
P
|
38
:
eS812
: CD
edit
switch.
(DC
EDIT)
exo :
+B
Line
2SJ40CDTA
MSIIG7AFP-E1
Ales
“
©S$813
: Tuning
mode
select
switch.
(TUNING
MODE)
(RECON)
|
ALCsTAS
AMEN
Sax
8]
eS814
:
S-XBS
switch.
(S-XBS)
cP302
eeane z
ex
2
S815
:
Beep
on/off
switch.
(BEEP)
DECK
|
HO
rh
:
oe
S816
:
Edit
recording
switch.
(HIGH)
B =
ig
neces
Cee
.
©S817
:
Edit
recording
switch.
(NORMAL)
lhe
ie
i.
9
EES
©S818
:
Disc
tray
open/close
switch.
(CD
OPEN/CLOSE)
L
it
3
ov
1¢301
-
eS819
:
Volume
control
switch.
(VOLUME
+)
rat
Yop
=
gioz
|
@—)—O)—)
S820
:
Volume
control
switch.
(VOLUME
—)
iz
et)
eS821
:
Function
select
switch.
(TUNER/BAND)
coat
T
cel
ess
oan
re
=
eS822
:
Operation
switch.
(OPERATION)
‘
DECK
2
+
ont
ov HEAD
SELECT
S823
:
Function
select
switch.
(CD/O)
asl
of
S824
: CD
playback
switch.
(C>)
ee
as
S825
:
Deck
forward
side
playback
switch.
(>)
B/E
ARIEAD
“sl
oy
an
Oa
ae
©S826
:
Deck
reverse
side
playback
switch.
(<1)
Reha
¥
dE
©S827
:
Function
select
switch.
(TAPE/D)
Cc
TS
Pa
ge
or
aed
olzlslz
©S828
:
Deck
fastTPS
switch.
(Tes/>D>)
\
3
Ra
320K
at
8
Sa
Be
SL
[ELE air
43/3
©S829
:
Deck
fas/TPS
switch.
(<I<1{TPs})
eee
se
oy
eee
ran
=|
]
2]
aL
Rae
S830
: Timer
mode
select
switch.
(TIMER
MODE)
sav
cok
9201
ees
ze
al
Sep
BS
eiltalg
S901
: AC/DC
select
switch.
38:
ov!
©
Ot
ig
eas
ns
.
2
<for
Tape
deck/Mechanism
(deck
1/2)
circuit>
e
i
oar
Gee
vy
eS951
:
Deck
1
mode
detect
switch.
1302
z
sel
S952
:
Deck
1
cassette
tape
insertion
detect
switch.
BAT7755
|
S953
:
Deck
1
CrOz
tape
detect
switch.
R/P
SELECT
2
tt
i—h
Te
°s971
:
Deck
2
mode
detect
switch.
O-O—O-O-¢
gat
ow
cra
©S972
:
Deck
2
cassette
tape
insertion
detect
switch.
+
Pay 7
=
eS973
:
Deck
2
record
prevention
tab
detect
switch.
(REV)
ery
-
3
F
CH)
d
eS974
:
Deck
2
record
prevention
tab
detect
switch.
(FWD)
D :
a8
+
3
G20)
©S975
:
Deck
2
CrOz
tape
detect
switch.
8
T
~
o
&
ei
eVR301
:
Deck
2
tape
speed
adjustment
VR.
(HIGH)
2
Less
33x
3!
.
ico
TP3
eVR302
=:
Deck
2
tape
speed
adjustment
VR.
(NORMAL)
aa
ae
-
gel
oy]
{
ion
eVR303
~:~
Deck
1
tape
speed
adjustment
VR.
(NORMAL)
Sof
e807
(py
oat a
UN4210TA
General
303
837
TF
don
a8
(HIGH
SPEED)
eDC
voltage
measurements
are
taken
with
electronics
voltmeter.
2S0
18s
09
TA R305
Wiehe
le
aaa
The
negative
terminal
of
the
battery
provides
negative
meter
connection
point.
REE
ON
aus
$308
on
wean
[eee
A
28diasosTa
32
(8
vy
ae ee
e
No
mark...
TAPE
PLAYBACK
(DECK
2)
Fy...
TUNER
((_
))...€D
[|
]]...AUX
Gaon
a
ea
eeteeT
A.
25¢33118TA
ov
ge
ratzov
]0¥
ee
ean
in
ev)
C)
9306
BIAS
OSC CONT
.
CH
ePn¢
“)
wots
ie
5
gem
Beg
owes
se
&
Battery
current:
E
a
sot
“Vy
aol
33
oeveeeBgiey
B8zov
28
0305
Vol.Min....
2...
eee
eee
220
mA
(LW/MW)_
Vol.max
............
560
mA
(LW/MW)
Measurement
instruction
sen
slot
322
Bern
oy
gaze
34v
ror
BINS
OSC
coNTIcro2)
i
230
mA
(FM)
880
mA
(FM)
LW/MW
:
74.dB/m,
30%
Mod.
oP1TE0.84,
5
Suecune®
wis
312
310
mA
(TAPE)
1500
mA
(TAPE)
FM
—__: 60
dB,
30%
Mod.
ce
RAT ERPer!
‘
Moron
aeesn
SOR
440
mA
(CD)
1700
mA
(CD)
TAPE
:
315Hz,0dB
oe
cD
:
1kHz,0dB
9301,302
Q3i0
ual
soc
Soran
TS
28y
S
IBV
d
Sx
a
|]
:
(BEAT
PROOF)
Q309
2S
ROL,
oh)
Rxe
&
es
elmportant
safety
notice
deat
2g
sy
ACB
ee
a
ee
ie
68
|.
Components
identified
by
4\
mark
have
special
characteristics
impotant
for
safety.
SepsueaTk
OB
26
22S
2OKiB)
“AN
)
Eee
2
ar
12 5V 220
R316 27
R322 2.7
Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. MOTOR DRIVE
When
replacing
any
of
components,
be
sure
to
use
only
manufacturer's
specified
parts
shown
in
the
parts
list.
=
—
a
ml
ty
iy
w
eThis schematic diagram may be modified at any time with the development of new technology.
) MOTOR
(DECK 2) (DECK |)
MOTOR SPE
—29-~-
-
30-