Technics SU-V2X - Block Diagram of System Operation; Signal Path and Functional Blocks; Control and Protection Circuitry

Mi BLOCK DIAGRAM
!C201
TC9IG3N(1/2) ee
ANALOG FUNCTION SWITCH ( Thermistor)
25°C (85°F)
8
ICI
SVINJM20430D
PHONO EQUALIZER
EXT OUT
O
EXT IN
Lach circuit
Shift register
( ) indicates pin No.
of right channel.
1c202
TC9IG4N(1/2)
ANALOG FUNCTION SWITCH
[L ch]
aa it
cD
VIDEO/ AUX
pre ouT
Lach circuit
Shift register
Level shifter
TAPE|/DA TAPE
[rec our
ae
=
:
vee ee
' 2 3 4 5 6 7 8 OW H 2 3 4
memory
14 1 28 (4.6V) oh
GB) 3
® pin
® pin
Selector
|
es
|
ee
(PHONO)
o
1C403
IM53242P
(TUNER)
X40!
400kHz
REC
LED
DRIVE
&
¥d
1C404
MN4069UB
@pin A a taux) CLOCK GENERATOR
J LA fcrare
ILI fLctare 2)
(cD)
—14—
Loraine — |
d
Back up
+
Phono signal lines
IC301
AN6553F
oot OPERATION AMP
s9-!
(Loudness) 1C501
Loudness Gs) C8) AN7062 <r
VOLTAGE AMP
Sbaoh
(Subsonic )
EF VR201 on
§ (Volume) off
coohhhahe eS O
3
Q301 VR301 16}
(Balance)
,
Subsonic
SN.
sio-2 defect
3) (Tone)
Q40!
(Y) (Muting)
¢s)
Q403
Q45!
Stant- by pluse
generator
Switching
TSN
iD €
a):
( )indicates pin No. icso2
of right channel STK2038-4 8)
POWER AMP
Pre drive ]
él! ©,
4
(Safety)
INALOG FUNCTION CO
SI - Phono
S2- Tuner
$3-CD
S4 — Video/ Aux
ss — Tapel/DA Tape
Bs)
S6 — Tape2
| S7—Rec
(S8- Muting
1c402
IM53242P
INPUT LED DRIVE
© S, O oe ©,
al dt ad ly 14
) @ @® @ Q2@2SaOOaOG
(Phono) (CD) (Tape2) (Tape2) (CD) (Phono)
(Tuner) Video Tape! Tapel ‘Video (Tuner)
(Vase) Oe) (8) (oR tana) Ca)
NaS
Q701, 703,704
1604, Q605
[@Ooc vet] DET
Rectifier
Q606
CB-—73)
D
i
CY)
Converter
Speaker impedance)
selector
q HEADPHONES
$11-2
(Main)
MAIN
SPEAKER
TERMINAL
suit
(Remote)
off
REMOTE
et
From Rch power output
$l2
Tl
16,8 ~ 160
AC LINE