Technics SU-VX620 Service Manual

SU-VX620 SU-VX620
@
WIRING
CONNECTION
DIAGRAM
m@
FUNCTIONS
OF
IC
TERMINALS
(IC801:
M37470M2063S)
TaPe2/DaT
|
[TaPeE!|
[Aux
[TUNER]
|
REMOTE
fay
7
ie
T
r——_{ SPEAKERS }_ (REC(OUT)) (REC(OUT)) CONTROL Pin | Terminal ; Pin | Terminal .
{ichr {Roh} CPLAY(IND] | CPLAY(IN)) [co] OUT No. Name ie paged No. Name uO Function
Mm
m
nl
m
iz
S
A
—}-——
P17/SRDY Connected to GND. 18 RESET | Reset signal input.
B
|
MralW
soe
wy
P16/CLK
Remote
control
signal
output.
19
|
P30/INTO
|
Back-up
detector
signal
input.
3 | P15/SOUT 20 P34/INTI | Remote control receiving signal
input.
4 P14/SIN
— Not used. 21 |P32/CNTRO | POWER switch input.
3 5 P13/TI
&
P33/CNTRI
|
SELECTOR
MODE
switch
input.
6 P12/TO
8]: P40
Sf i 7 P11 Connected to GND.
—. Connected to GND. 24 P41 —
o|9 8 P10
z : 7 1 mae Poo O SELECTOR LED (TUNER) drive.
Of:
* eon Level encoder volume control
a O signal output 26 PO1 oO SELECTOR LED (CD) drive.
cP106
10
P22/IN2
;
as
re
27 P02 oO SELECTOR LED (TAPE 1) drive.
11 P21/IN1 —— SS GE
Connected to GND. 28 P03 Oo SELECTOR RELAY 1 output.
12 P20/INO —
29 P04 oO SELECTOR RELAY 2 output.
[i
]-7]
13
VREF
I
Reference
voltage
input.
eNom
cnrees
30
POS
oO
SELECTOR
RELAY
3
output.
14 XIN |
Connected to ceramic oscillator. 31 PO6
15 X OUT O — — Connected to GND.
Ss
a
-
32
P07
16 Vss — GND terminal.
|
H
DEER
ATION
C8,
ne
Vec
—
Power
supply
(+5
V).
(In
cp404
wsol
[10]
| C cn404_)
LJ
SWITCH
| J Exe IN/VOLT ADJ. P.C.B.
(s2)
INPUT
SELECTOR
P.C.B.
SOLDER SIDE
SOLDER SIDE
TI (Power
transformer )
SOLDER SIDE
3) 4) @)
293)
=
—24-

Technics SU-VX620 Specifications

General

Brand	Technics
Model	SU-VX620
Category	Amplifier
Language	English