Read LG 19LH20R (CHASSIS:LP91A) Service Manual online
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO
1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
47pF
C403
22
IR-OUT
R430
470pF
C404
NON_19_22_26"
KEY1
ZD401
120ohm
L406
NON_19_22_26"
ZD402
+5VST_MST
ZD400
500-ohm
L410
NON_19_22_26"
IR_OUT
+3.3V_MULTI_MST
10K IR-OUT
R429
2SC3052
Q405
IR-OUT
E
B
C
500-ohm
L411
NON_19_22_26"
SUB_SCL
120ohm
L402
KEY2
2SC3052
Q404
IR-OUT
E
B
C
+5VST_MST
IR
SUB_SDA
0.1uF
C408
NON_19_22_26"
+3.3V_MST
+5VST_MST
0.1uF
C411
NON_19_22_26"
470pF
C412
NON_19_22_26"
120ohm
L403
NON_19_22_26"
+3.3V_MULTI_MST
+3.3V_MULTI_MST
+5V_+12V_LCD
0.1uF
C407
READY
47uF 16V
C406
0.1uF 16V
C414
NON_19_22_26"
+3.3V_MST
KEY2
100pF
50V
C401
19_22_26"
KEY1
100pF
50V
C400
19_22_26"
+5V_+12V_LCD
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO
1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
+5V_+12V_LCD
+3.3V_MULTI_MST
OPC_EN
E-DIM
OPC_OUT
100pF
50V
C405
19_22_26"
SUB_SCL
100pF
50V
C402
19_22_26"
12507WS-12L
P400
NON_19_22_26"
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST(LED_R_BIG)
9
IR
10
GND
11
ST_3.3V(LED_B)
12
POWER_ON(LED_R_SMALL)
13
.
P405
19_22_26"
1
KEY1
2
KEY2
3
GND
4
5V_ST
5
GND
6
IR
7
LED_B
8
LED_R
9
.
BG1608B121F
L400
19_22_26"
BG1608B121F
L401
19_22_26"
BG1608B121F
L408
19_22_26"
BG1608B121F
L405
19_22_26"
4.7K
R420
4.7K
R421
10K IR-OUT
R427
10K
IR-OUT
R428
47K
IR-OUT
R426
0
R417
NON_19_22_26"
0
R400
READY
0
R403
NON_19_22_26"
0
R413
READY
0
R402
8BIT or 52 sharp
4.7K 10BIT
R401
4.7K JEIDA
R407
0
R424
VESA
100
R409
READY
0
READY
R405
0
OPC_ENABLE
R412
470
R435
OPC_ENABLE
SMAW200-03
P404
19_22_26"
1
KEY1
2
KEY2
3
GND
120-ohm
L404
120-ohm
L407
NON_19_22_26"
TF05-51S
P401
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
FF10001-30
P402
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
29
30
31
SMW200-28C
P403
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
LED_R
+3.3V_MST
RT1C3904-T112
Q400
OPC_ENABLE
E
B
C
1K
R411
OPC_ENABLE
10K
R404
19_22_26"
2SC3052
Q401
19_22_26"
E
B
C
+3.3V_MULTI_MST
10K
R410
19_22_26"
10K
R414
19_22_26"
2SC3052
Q402
19_22_26"
E
B
C
+3.3V_MST
10K
R415
19_22_26"
4.7K
R406
19_22_26"
0
READY
R416
0
READY
R418
0
NON 22/27" FHD
R419
0
NON 22/27" FHD
R422
0
NON 22/27" FHD
R423
0
NON 22/27" FHD
R431
0
NON 22/27" FHD
R425
TXCO3+
TXCE1+
TXCO1+
TXCE1-
TXCLKO+
TXCO2-
TXCO2+
TXCO1-
TXCE2+
TXCE2-
TXCLKE+
TXCLKE-
TXCE3+
TXCE3-
TXCE4+
TXCE4-
TXCO3-
TXCO4+
TXCO4-
TXCLKO-
TXCE2-
TXCE2+
TXCE1-
TXCE1+
TXCE0-
TXCE0+
TXCLKE+
TXCLKE-
TXCE3+
TXCE3-
TXCE3-
TXCE3+
TXCLKE-
TXCLKE+
TXCE2-
TXCE2+
TXCE1-
TXCE1+
TXCE0-
TXCE0+
TXCE0-
TXCE0+
TXCO0+
TXCO0-
FHD
X
R402
4.7K
10BIT(FHD)
X
8BIT(HD)
X
X
0
X
32 sharp
R401
0
0
X
52 sharp
8BIT(FHD)
CONTROL KEY
OPC_EABLE
OPC_OUTPUT
External VBR
PANEL WAFER
IR(19/22/26")
(19/22/26")
HD(19/22")
IR(Non 19/22/26)
CONTROL KEY(Non 19/22/26)
*8BIT(FHD):22/27"
HD(26/32/37/42/47")
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.
LVDS/ CTR KEY
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