38
28JS-74S
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
T
H
201
TUNER
SAW
SF 2
0
1
SF 2
0
2
SAW
IF
IC 2
0
1
TDA
9885
AV-1
21 PINS
SCART
PFC
Q723
Q724
T701
SWIT
CHED MODE
P
O
W
ER SUPPLY
MAIN REG.
KA431
+150V
ST-BY REG.
KA431
+12V
OSD
MICR
OCONTROLLER
IC6001
SDA555
0
VID
E
O
PROCESSOR
IC
6007
SDA940
2
DISPLAY &
DEFLE
CTION
P
R
O
CESSOR
IC
6006
SDA9380B
IC303
MSP 3410 G
SOUND
PROCESSOR
+16
V
-16
V
+16V
-16
V
TDA7480
TDA7480
C.R.T.
H.V.
VERT.
DEFLEX.
COIL
HORIZ.
DEFLEX.
COIL
H
DIGITAL
MODULE
OSD
IC
6002
FLASH
MEMORY
NVM
IC
6003
VIDEO
A
U
DIO
A
U
DIO
RGB
+13V
Q 502
-13V
TDA 7480L
Q 503
V
E
R
TICAL
POWER
VERT
ICAL
FLYBACK
RGB
CRT MOD
U
L
E
HEATER
SCREEN
FOCUS
H.V.
+13 V
-13 V
+180 V
+25 V
HORIZONTA
L
FLYBACK
TRANSFORME
R
T601
RGB
AUDIO SUB-C
ARRIER
CVBS
IF
REG.
IC202
+33V
Q 601
HORIZONTAL
D
E
FLEXION
Q 602
EW
MODU
LATOR
EW
DRIVE
R
IC 601
H. DRIVER
Q 605
Q 613
EW
H.OUT
IC
708
L
M
317T
Q 710
IC70
4
CURRENT
L
IMITER
Q796
Q70
6
IC 70
6
M 1000
IR
D
E
T
ECTOR
PFC
IC
701
Q701
T70
2
EMI
FILTE
R
230V AC 50Hz
ST-BY
ST-BY
D6001
Q6005
D6006
Q6007
SC 703
D723
+8V
+12
V
IC 301
IC 302
2
8
JS-74S BLOCK DIAGRAM (GA-200 CHASSIS)
POWER SUPPLY
IC 70
6
IC 70
7
+16V
AUDIO
-16V AUDIO
+12
V
+5.5V
-6V
+150
V
1.8V
+8.3V
+
2
.5V STBY
+
3
.3V STBY
+8V
+3.3V
+25
V
+
1
50V
+180
V
+13
V
+1.8V
+5V
+3.3V
+5V
STBY
+3.3V
STBY
+5.5V
+12
V
.
+13
V
+8V
+3.3V
STBY
+2.5V
+5V
+5V
+
1
80V
-13V
+13V
+13
V
-13V
+13
V
+5V
-6V
+5V
FUS
E
AUDIO OU
T
L
AUDIO OUT
R
IC
304
M5218
L
HEADPHON
E
C
O
NECTOR
IC 5
0
2
BA4558
V DRIVER
IC80
1
TDA610
9
RGB
A
M
PLIFIERS
IC 50
1
I2
C
I2C3
3
I2C
I2
C3
3
I2
C
I2
C
I2
C
BLOCK DIAGRAM
Содержание 28JS-74SS
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