Advertisement
RX-5220LS
RX-5220LS
SCHEMATIC DIAGRAM (AUDIO CIRCUIT) MODEL RX-5220LS
To Radio Block
LBi405
LN230RA = ANIA
Diot,201
METER
DRIVE
LED METER
POWER
AMP
32V
Cc
e-
a
Sun
S|
s
Te
sielL
—T
om
#8
Q |ciqkiooy & | yt
oO
+H
- xpseK
|S
Oo
Hz, SS
[_esfooorn
ee |
(D1)
9} "+19
a R2e33 4K]
OSV
SIV.
32v
146V Hiv
OV
644V IG
|
i)
reel
R135 220,
3
Js
P
+
3 [7] tem (5")
2341
30 WOOFER
RCH+!
$7
Sem (1 Tho")
ih ; Ui WEETER
{
25V4]
C208
K680P
-—
2ONER23
[0V4)
100
THF
'
S104-1 O—
ne 4
AVSBAVIGBAVICTAN) (OZ3V)
Or
R
OLS
WR KRIT 10K
Bi
© :
16 303
y
na
{OGSYHONZV) (OLZVIBISVUZBIVIZEIVIEOW]
COV)
Re
rf
O-OH3)
Se '
*R216 3.3K
[F236
BS
Qsot,602
#0
sor-sl2 3}
[Ss
{
ls
280828
S€
=
H
'
R320 1K
3
INVERTER
| HOR
Pal
GP
g
IC 605, 606
H
|
neat
5
g
DNGB38A
7
A
XIX
| |
DETECTOR -
ore
f
Wana
Xlols
72
:
( 3cm (1 182')
Na TWEETER
5 ) 7] t2cm (5")
a q 30. WOOFER
cwo.0CUt
OP2
= 2594.9
H
Doz
SWITCHING
1824 73FV
0
St 03
Rét4 22K
—A\/r—
rae ea
pel
9
ov
ADO
re oer
mee
Tit
a
@)
2
; | Rots
aS
Si2-1
01-3 |B
o d
2 65
of
=
si2-2] 4]
Y
a
FB
9
C)
C)
12
Q-x
Fac, | LT | kee
3
eb
4
88
A
OV
ov
s
Aap
<or
i) Q506
Fed
R508 4.1K
505
% 07V
C2
C514
MO.006
C119
MO.0022
6305
10V1I00
R303
1K
IC 601~603
eso
RVIDM74L8123
COUNTER
<4.03V
>
®@
Q\0501
2K
a
Oe
Soakts
:
8
200R-F
x
O2OO
Doz
Qio1.201
Daa
D303
Q302, 308
Q504, 505,512
Qso1,502
Qs06,510
Dso1
Dso4
Q507,508
SM102LF
280945
MAIIIOTA
MAIO75TA
25C2001
280828
280828
2SA564
1824738
MAISO
2SC828
SWITCHING
INT MIC MUT
REGULATOR
REGULATOR
REGULATOR
CONTROL
CHIRP OSC
SWITCHING
SWITCHING
SWITCHING
SWITCHING
Qs03
2SA748
SWITCHING
ieasaclGdvenarghaenuaie ihe Voltage select switch.
VR202 ..............-- Playback level adjustment VR.
fia, aoe
td ena FF, play/rewind switch in ''rewind"' position.
VR103, 203 ............ Volume control.
~S111-3
2.0... DIN/MIC switch in "DIN" position. (1... DIN,
3... MIC)
VR104, 204, 105, 205 ... Tone control.
, 9112-2 ........ Chirp ON/OFF switch in "OFF" position.
VR301
1... eee Meter level adjustment VR.
iS apt he ceo
ae euel ei Memory rewind switch in "OFF" position.
14. The mark ( ¥) shows test point. e.g.
Ww =Test point 1.
LOT va hintait sed tacts Bias current adjustment VR.
15. DC voltage measurements are taken with electronics voltmeter from negative terminal of battery.
<
>....Timer-ON
[
] ... Battery position, Q101, 201, 301... Record position.
C512
M0.068
Oa04
RVD10E1
SWITCHING
Qsoa
Ds02
Os03
28c1226 2801383 182473 RVDIOEILF
SWITCHING
SWITCHING
SWITCHING
PROTECTOR
[_]
... Low
..: High
... Low
16. Battery current: No signal .........
Maximum (Radio)
.
Maximum (Tape) ..
17. A\ indicates that only parts specified
Q60
Q
Qéos
z AS ists
oP
{
REGULATOR
:
3
4!
b6
Jf S110
z
2SA564 RVDROGR2EB
2
{
MUTING
REGULATOR
Yo
Sia
YAS ee
|
C39,
C3204,
A,
J1
20.01 [20.0173
{
18
s
2
Seale
2
&
/I cs
100 IN
=
3 1 43,0V
18
3
/ |
(9,
a)
|
{
|
.
D304
!
)
SIA |
O-
— ——--
+}
- —~+ »- -
Q
i
—e
ew
:
BATT {2V mn
Ay Swit
5 S104
D304~307
RVDIOEILF
RECT
>
by the manufacture be used for safety.
Advertisement
