Panasonic RX-DS45 - Page 14

RX-DS45
RX-DS45
RX-DS45
@
SCHEMATIC
DIAGRAM
se
TUNER
CIRCUIT
(Paris
list
on
pages
57~63)
1
2
3
4
5
6
7
8
9
A
|
TUNER
CIRCUIT
ais
RVTOTCII4TST Q4
MUTING 2 2SC3311RTA
A
MUTING
020
RVTDTAIG3XST peed bea
SWITCHING cs2
(ST/MONO)
1c! OB O) —
RVITA7358FT |
FM FRONT END (2) MUTE B
(3) Lch out
Val Te AF
=— @ Ren OUT CiRCUIT ( Pw304)
KigoP as sav tuner +e | (Pose 24)
r- 2 — 6.8V ! th |
cr OTS cr) |
Q2 (+814)
<0.7V>
OD)
J
B 2g a2
zo 2SC33I3BTA
3s FM IF AMP 05,6
lve RVTDTAIG3 XST
TELESCOPIC 1c2 POWER SUPPLY
ANTENNA TASI32F
FM /AM IF AMP,DET
& AM OSC, MIX
Sa (Ovi eu eae ese cri
Bx : (1) TUNE
<3 — 4.8v oe
23
jibe
(3)
ST
LED
” x
cM sno tofSlsystem
| RIG cis (5) s/m CONTROL
Cc ; R20 R3 7 68k K1000P CIRCUIT (CWO!)
3.3K
WOK
co
SiM!
FLS
FOS
WW
eee
i
as
Key
Pui
cL
(Page
16)
5
oe
wale
“a3
6
3 = Se ) 25 (7 PLL on
8s
s
CIG74LTA
si
&
:
os
BUFFER
AMP
(FMOSC)
itil
al
()
Pi
ce
x bx
° ese
04 Fa 2
er RVOKVI235Z8 é 013, 14 — Be
H need CSD Qy Sd.tv: \Wo AS Sih foe
2SAIZOORTA isavi Osa s ‘
LW/MW
SELECT
.?
f23
3
uM
!
Gi
< °
.
et
ERS
Sais
= (92v) So.
(4.5V)°
LW
Qs
ator
an ae a RVTOTAI43XST
SWITCHING LS
(LW:ON) 220pH P
C73 38
MO.022 Oo)
a Ca ae a “sl 1¢3
“iso g +1172 LM7001
al a : cero
o7.8 ss 7 8 < Se _x Lis 4.8V.
cone TLE, TL ae apy oe
<3.Bv>
LOOP
FILTER
sia
ge
es
SRV
a9v) 3 o& es ew Ss ee
= > \o.3v> ) aio 2x2
E Q7 Q9 ,10 R30 <o.svy ___| (03? Nas ms
2SC331IRTA 100k oa) e9 el a
DC-0C CONVERTER on- Tr va
2
af
i @ IC3 (LM7001)
<——>): FM signal line
F ise: t= FM OSC signal line
y DC voltage measurements are taken with electronics voltmeter. CLAD > LW/MW OSC signal line ;
WY The negative terminal of the battery provides negative meter connection point. aan»: FM/MW/LW V-cap control line
( )..MWLW <<) >...FM aap: +B line
This
schematic
diagram
may
be
modified
at
any
time
with
the
development
of
new
technology.
-14-
-15-
=)