LG 26LH20R Service Manual page 29

TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO
I R ( N o n 1 9 / 2 2 / 2 6 )
CONTROL KEY(Non 19/22/26)
L411 500-ohm
SUB_SCL
NON_19_22_26"
L410 500-ohm
SUB_SDA
NON_19_22_26" +3.3V_MST
R420 R421
NON_19_22_26"
4.7K 4.7K
L403 120ohm
NON_19_22_26"
L406 120ohm
NON_19_22_26"
C404 C412 NON_19_22_26"
C408 C411
470pF 470pF
0.1uF
0.1uF
NON_19_22_26"
NON_19_22_26"
NON_19_22_26"
P400
12507WS-12L
+5VST_MST
SCL
1
ZD401
L404
120-ohm
SDA
2
C406
ZD402
47uF
GND
3 16V
KEY1
4
KEY2
5
5V_ST
6
GND +5VST_MST
7
L402 120ohm
WARM_ST(LED_R_BIG)
8
C403 0.1uF
ZD400 C407 READY
47pF
IR
9
+3.3V_MST
+3.3V_MULTI_MST
C
R426 47K
GND
NON_19_22_26" B
10
R417
NON_19_22_26" IR-OUT E
0
ST_3.3V(LED_B) L407 120-ohm
R400 0
11
0.1uF READY
NON_19_22_26"
C414
POWER_ON(LED_R_SMALL) 16V R403
12
0
NON_19_22_26"
13
.
I R ( 1 9 / 2 2 / 2 6 " )
19_22_26"
P405
KEY1
1 READY
R413
0
KEY2
2
GND
3
5V_ST
4
GND +3.3V_MULTI_MST
5
R404
IR
6 10K
19_22_26"
19_22_26"
L408
LED_B BG1608B121F R416 0
7
SUB_SCL
READY
C405
C R410
LED_R 100pF 10K +3.3V_MST
19_22_26"
8 B
50V
Q401 E 19_22_26"
19_22_26"
2SC3052
+3.3V_MST
9 R414
19_22_26" 10K
19_22_26"
L405
.
BG1608B121F R406
4.7K
19_22_26"
C402
C
100pF R415 10K
50V B
LED_R
Q402 19_22_26"
19_22_26" E
2SC3052
19_22_26"
R418 0
READY
P401
TF05-51S
1
2
3
4
5
6
7
8
9
10
KEY1
11
12
KEY2
13
14
15
16
17
18
19
20
21
22
23
24
25
FHD
IR
26
27
+5VST_MST
28
R429 29
10K
IR-OUT 30
R430 22
R427 IR_OUT
31
10K IR-OUT
IR-OUT
R428 C 32
10K Q404
B 2SC3052
IR-OUT E
IR-OUT 33
34
Q405
35
2SC3052
IR-OUT
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
CONTROL KEY
( 1 9 / 2 2 / 2 6 " )
19_22_26"
P404
SMAW200-03
19_22_26"
L400
BG1608B121F
KEY1
1
KEY1
L401
BG1608B121F KEY2
2
KEY2
19_22_26"
C401
C400 GND
19_22_26" 100pF 19_22_26" 3
100pF
50V
50V
PANEL WAFER
1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4- TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO
+5V_+12V_LCD
P402
FF10001-30
H D ( 2 6 / 3 2 / 3 7 / 4 2 / 4 7 " )
NON 22/27" FHD
TXCE0+
R419 0
TXCE0-
R422 0
NON 22/27" FHD TXCE1+
TXCE1-
TXCE2+
TXCE2-
TXCLKE+
TXCLKE-
TXCE3+
TXCE3-
+3.3V_MULTI_MST
TXCE4+
TXCE4- R401
4.7K
10BIT
R401 R402
R402
NON 22/27" FHD
TXCO0+ 0 10BIT(FHD) 4.7K X
R425 0
8 B I T o r 5 2 s h a r p
TXCO0- 8BIT(HD) X 0
R431 0
NON 22/27" FHD TXCO1+ 8BIT(FHD) X 0
TXCO1- 5 2 s h a r p X 0
3 2 s h a r p X X
31
TXCO2+
*8BIT(FHD):22/27"
TXCO2-
TXCLKO+
TXCLKO-
TXCO3+
TXCO3-
TXCO4+
TXCO4-
+3.3V_MULTI_MST
R407
4.7K
NON 22/27" FHD
JEIDA
R423 0
R424
0
VESA
R409 100
READY
1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
+5V_+12V_LCD
+5V_+12V_LCD
1
2
3
4
5
TXCE3-
6
TXCE3+
7
8
TXCLKE-
9
TXCLKE+ TXCE3-
10
TXCE3+
11
TXCE2-
12
TXCE2+
TXCLKE-
13
TXCLKE+
14
TXCE1-
15
TXCE1+ TXCE2-
16
TXCE2+
17
TXCE0-
18
TXCE0+ TXCE1-
19
TXCE1+
20
21
TXCE0-
22
TXCE0+
23
24
25 +3.3V_MULTI_MST
26
27
R435
28
470
29
OPC_ENABLE
30
R405 R411
C
READY 1K OPC_EABLE
B
OPC_EN
0 E
OPC_ENABLE
Q400
RT1C3904-T112
OPC_ENABLE
HD(19/22")
OPC_OUTPUT
OPC_OUT
R412 0
E-DIM
OPC_ENABLE
E x t e r n a l V B R
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
P403
SMW200-28C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28