Block Diagrams
9.
9.
Block Diagrams
9-1 Wiring diagram 22"
19190_400_110906.eps
110926
Board Level Repair
Component Level Repair
Only For Authorized Workshop
WIRING DIAGRAM 22"
(Smart Choice)
LCD DISPLAY
(1050)
LCD DISPLAY
(1050)
MAIN POWER SUPPLY
(1054)
A
TV ANTENNA
Y/VIDEOPB
PR
L
R
Y
PB
PR
L
R
CVI 2/AV
VIDEO
L
R
AV out
CVI 1
AUDIO
VGA
PC IN
HDMI 1
SERV.U
HDMI
VIDEO
L
-
A
U
D
IO
-
R
U
S
B
SSB
(1053 )
B
J
IR/LED BOARD
(1056)
AC Input
TO
BACKLIGHT
CN
3
01
1.
LED_R
2.
-
3
. RC6
4.
GND
5.
D
V
33S
B
6.
KEY1
7.
KEY2
CN001
3
. GND
2.
KEY1
1.
KEY2
KEY BO
ARD CONTR
OL P
ANEL
(1057)
CN90
3
1.
+24V
2.
+24V
3
. +24V
4.
+24V
5.
+24V
6.
GND
7.
GND
8
. GND
9.
GND
10.
GND
11.
-
12.
LED-ON/OFF
1
3
. D
IM
14.
LED
S
TAT
U
S
CN902
1.
LED
S
TAT
U
S
2.
-
3
.
S
TB
4.
+24V
5.
+24V
6.
GND
7.
GND
8
. GND
9.
5V2
10.
PWM
11.
DIM
12.
LED-ON/OFF
CN701
1
3
. PWR_OK
12.
5V
S
B
11.
5V
S
B
10.
P
S
U_
S
TBY
9.
+24V
8
. +24V
7.
GND
6.
GND
5.
GND
4.
+12V
3
. +12V
2.
BRI_ADJ
1.
BL_CTRL
CN40
8
1.
GND
2.
TX_A
O0N
3
. TX_A
O0P
4.
TX_A
O1N
5.
TX_A
O1P
.
.
.
.
.
3
5.
S
ELL
VD
S
3
6.
OD
S
EL
3
7.
L
VD
S
VDD
38
. L
V
D
S
VDD
3
9.
L
VD
S
VDD
40.
L
VD
S
VDD
CN401
1. LED_RED
2. LED_WGB
3. OIRI
4. GND
5. 3V3SB
6. 3V3SB
7. GND
8. KEY1
9. KEY2
10. -
11. 5VSB
12. LIT_SENSOR
13. GND
CN601
1. SPK_R-
2. SPK_R+
3. SPK_L-
4. SPK_L+
RIGHT SPEAKER
LEFT SPEAKER