Technics SA-222 M

m BLOCK DIAGRAM
IC 102
a (SVILAI231NS)
ol
Q
3 Ic301 (SVIpPCII6IC)
Iclor (SVIuPCIOI8) & Q303
TI CF IOI : ae
£36 .
5
Q304
x De-
Z
Q305
Q107
: 16 4 14 16
Q108,109 4 is 14 ic905 (AN6876)
Frequency meter
Signal indicator
on/FM auto
iG
| ont
|
Ooftts
FM mono
Mauto
O
°
off/FM mono
Sié
(FM muting/mode)
Battery
ie
@®
IFT +
ae az
Q101~ 103
5
;
|
vRio2
Q202
Q203
|
msnng
|
S15 (Auto scan)
4 Quartz lock indicator
Q908 Q906
FM/AM Stereo €8)
allocation Buffer +5V eye driver To power IC
selector
QI06
- Q106
> é FM/AM 4 4 To equalizer amp.
Control
Stereo memor:
KEY-BOARD ImNI71 :
To tuner circuit
Preset “Hi
Tuning FM LIL!
Memory
FM/AM
selection
Power
transformer
Rectifier
Q706 ~708
IC601 To fluorescent display circuit
@
@
(AN7060)
FM circuit AM circuit
_O e) __s
$406 (Loudness)
$402 on on
0
$404,405
o
Oo
IC603
Power
amp.
S601
(Main
speaker)
on
Ic4or
(Tuner)
(Tape
monitor)
e
O
©)
MAIN
(SVINJM4559DS)
out
off
$404
$405
°
Q401,
403
A
$403
ute
source
$407
(Subsonic
“
Differential
7
(Phono)
_
°
o
source
filter)
pant
y=
|
°
‘
-
mR:
REMOTE
“ort
tope
|
=
a
;
a
©
Ss40l_,,
tape
2
vRaoe2
O
|
pote
3
n
faux),
2
(Volume)
re:
S602
(Remote
speaker
)
O
off
Headphones
vR4ol
S401 ~ 403 (Balance) :
AUX
(Input
selector)
*
|
rREC OUT G@———___ a
TAPE |
“PLAYBACK G- ‘os
rREC OUT ees fee —_—_
TAPE2
LpLayBackG =
'
Right
channel
as
same
as
left
channel
|
1