Technics SA-GX230 Service Manual

SA-GX230
SA-GX230
SA-GX230
|
|
B
TERMINAL
GUIDE
OF
IC’S,
TRANSISTORS
AND
DIODES
Ш
INTERNAL
CONNECTION
OF
FL
|
Mi
TERMINAL
FUNCTION
OF
IC
е
Grid
connection
diagram
•
10901
(MN187125STV):
Microcomputer
КОТЕЛ
|
[ueceno
|
oem.
QUARTZ
LOCK
|
MEMORY
FM
ST
bd
|
юеш
|
= M.SCAN
(мі
[wem
—
LI
iautine
AM
MW
j|
s
m
CH
LI
LII
LOUDNESS
58
|
ү
FM LW
ЖЕН
ма |
9.
ШЕКЕ
55
|
O
M5218AP
Jo
Chip enable terminal
DATA1 Serial data signal
Serial clock signal
Serial data signal
Not used, open
CE
Segment signal to FL display
Power supply terminal to FL
display |
Power supply terminal
Crystal oscillator terminal
(4.19MHz)
to —
16 А 8G
DATA2
OSC2
0$С1
1а
14
2а |
| p-—— 4 VLLL
7
10
11
12
13
14
Кыр | Video selector control terminat
VIDEO Not used, connected to
2SA992EFTA 2 UNAZIFTA 25С3311АОЗТА № | — | GND terminal СЕРЕС resister.
25026310Н5ТА ША eee | Sommer Ж езі. ох fo Not used, connected to GND -
i i aw. | 37 Not used, connected to GND
EC
28C2785FETA
|
fees
e
i
duis
28C2787LTA
Key return signal
Received signal detect
termina!
IS |
°
Anode
connection
table
_.
|
е;
a"
b
KEY1 3
-— ~J
2SA933SQRSTA
2S8C1740SQSTA
28C3327ABTP
28J40CDTA 2SB1187DEF
2SD1761DEF
e
©
9 ЕМ топо
Forcible monaural signal
o e
us B I -
- - =
2. оз 2 7ч =
—.
АЕ Muting control to tuner circuit
` .
Stereo signal detect terminal
Not used, connected to
resistor
18 FM ST
S
A
41
С)
М
T
M
51
HOLD
Muting control signal
Not used, connected to
resister.
Loudness contro} signal
Muting control to amplifier
circuit
Muting control (—20dB) to
amplifier circuit
Service interruption detect
terminal | E
Level shift control terminal
Not used, connected to GND
Relay control terminal
55 | DAC/SUR
Anode
o
=
1
[g[s[s| eV
—
> т ` HE
A
19 CNN Rotary tuning control terminal
Р
2
9
j
Sense
of
rotation
for
volume
Not
used,
connected
to
[2| R | motor control terminal 42 ов | resister.
эшик
мята
worm
|
мата
‚|
mmj
р
Not
used
ie
е
185291ТА
МА4062МТА
МА4270МТА
КЕГІ
БЕН
|
|
se
|
—
|
ot
used,
open
A
Key
scan
signal
Ca 45 KS3
5200 T.
QA
caog
bi
jo
pd)
А
P2
Cathode
ға|
ә
|
MW
|
-
—
Level
shift
control
terminal
қата
cone’
|
i
22
ST3
Not
used,
connected
to
6
DGTO
Y
P
A
A
A
pd
les|
w
|
m
|
+
|
EATERS
y
i
resister.
ЕЯ
"
PU
Digit
signal
to
FL
display
| i
cs
2
rep
»
ЕГІН
ЕГЕН
ЕГЕН
|,
уруу
Іі
RI
жЕ
|
enone
Angos
:
:
l
|4
|
INITIAL
СИК
Serial
data
detect
terminal
;
di.
В
5 =
ШІ
OFF О
“Өз Cathode
Ca
- с
Кіне
R № № г
Ё
Level shift control terminal
Not used, connected to.
ST2
resister. |] —20dB
Reset detect terminal
Serial clock signal
>
JL N
2
m
(0
i
Segment signal to FL display
CK1
2-8
o SS
»
ТІП
БО)
32108825645
ЫШ
'/|8|М 1
GIGIC 1
3
DT EN (070 [SN
icu ps 0279 o> ло N- [BU 0-4 wu lUi NU i=
79
Oz N= CZ Oz O~
CICIC
AGISI4 1312 ICICIC
“NOTE 1) ҒІ,ҒЕ2 --- Filament
|
2)
NP.
ee
No
pin
|
|
№
|
|
ar
E
eee
No
connection
|
'
|,
|
Nr
4)
16-86
---
Grid
|
|
|
ы
aede
7
op
i
a
rus
=
j
т
!
nell
‘toad
.
{
Ж-Е
|
О

Technics SA-GX230 Specifications

General

Brand	Technics
Model	SA-GX230
Category	Stereo Receiver
Language	English