Read LG 22LN4500 (CHASSIS:LD31A) Service Manual online
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.
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.
MODULE&CONTROL
IR
R603
10K
L600
BLM18PG121SN1D
D603
20V
OPT
JP605
C603
100pF
50V
OPT
C605
0.1uF
50V
0.1uF
50V
KEY_SCL
R620
0
0
OPT
R
6
2
7
4
.
7
K
RXA1+
C607
1000pF
50V
1000pF
50V
RXA1-
RXA2-
R616
3.3K
C606
10uF
25V
10uF
25V
LED_AMBER
JP607
KEY2
R602
10K
RXACK+
JP600
RXA2+
+3.3V_ST
RXA3+
R615
100
100
R629
0
21.6"/26"
IR_OUT
C601
1000pF
50V
JP602
R
6
2
5
4
.
7
K
C600
0.1uF
50V
+3.3V_ST
+3.3V_ST
R619
10K
10K
(OPT)IR_OUT
R621
10K
(OPT)IR_OUT
JP608
R614
100
100
+3.3V_ST
JP610
LED_RED
Q600
MMBT3904(NXP)
E
B
C
D600
20V
R622
10K
10K
(OPT)IR_OUT
JP601
JP609
C602
100pF
50V
OPT
C604
1000pF
(OPT)IR_OUT
IR
D601
20V
RXACK-
R601
10K
Q602
MMBT3904(NXP)
(OPT)IR_OUT
E
B
C
+3.3V_ST
R617
3.3K
KEY_SDA
P600
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
R618
22
(OPT)IR_OUT
R623
47K
(OPT)IR_OUT
JP604
JP606
Q603
MMBT3904(NXP)
(OPT)IR_OUT
E
B
C
RXA0+
Q601
MMBT3904(NXP)
E
B
C
RXA0-
KEY1
D602
20V
OPT
JP611
R600
10K
RXA3-
+3.3V_ST
R
6
2
6
4
.
7
K
R
6
2
4
4
.
7
K
JP612
+12V_PANEL_POWER
P601
10031HR-30
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
JP603
R628
0
0
R630
200
200
R604
270
1/10W
1%
1%
R610
330
1/10W
1%
1%
6 12
12.07.17
Change D601~3
Change D601~3
IR_OUT(Ready)
IR/LED and Control
NC4_S7LRM
0~0.7V
2012.04.13
1K/10W -> 4.7K/10W
1K/10W -> 4.7K/10W
2.7~3.3V
PIN22
Module
JEDIA
VESA
2012.04.13
10uF/10V -> 10uF/25V
10uF/10V -> 10uF/25V
111116
100uF Ecap
Deletion
EAE38362801
100uF Ecap
Deletion
EAE38362801
PIN23
GND
NC
CMI
LGD
121018
100ohm->200ohm
100ohm->200ohm
(IR Port protection against ESD)
121118
R604,R610
2012->1608
2012->1608
Amber LED(Non M73):5.9mA
Red LED(Non M73):4.8mA
EAX65077303
2013.1.14
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