LG 28LB45 series Service Manual page 21

Module(HD)
RXA3+
RXA3-
RXACK+
RXACK-
RXA2+
RXA2-
RXA1+
RXA1-
PIN22
0~0.7V VESA
RXA0+
2.7~3.3V JEDIA
RXA0-
PIN22 (23.6")
0~0.7V JEDIA
2.7~3.3V VESA
26"/27.5" (LVDS)
PIN21
GND 21.6
NC ALL panel
+12V_PANEL_POWER
4.7K/10W*4ea 5.6/10W*2ea
HD(12V Panel)
HD(12V Panel)
111116
C600
100uF Ecap
0.1uF
Deletion
16V
EAE38362801
HD(12V Panel)
IR/LED and Control
KEY_SCL
KEY_SDA
LB_joy_stick
R606-*2 150
Amber LED(Non M75):5.9mA
Amber LED(M75) : 16mA
R600 C
10K (IR Port protection against ESD)
B
Q600
LED_RED
MMBT3904(NXP)
IR
E
C
R602
10K
B
Q601
LED_AMBER
MMBT3904(NXP)
E
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Module(FHD)
HD(12V Panel)
P600
10031HR-30
+5V_PANEL_POWER
1
2
3
FHD(5V Panel)
4
5
6
For Interlace Mode
High : Interlace Mode
7
Low : Normal Mode
2013.07.15
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23.6" (LVDS) R608
22
R607
0
23
0
24
25
26
27
28
29
30
31
JP600
+3.3V_ST
KEY2
R613
3.3K
KEY1
R614
R611
3.3K
100
+3.3V_ST
+3.3V_ST
R612
MT_joy_stick MT_joy_stick
100
R606 150
R610 270
Close to Wafer
1/10W 1/10W
1%
1%
TOUCH KEY
touch_key touch_key R623
LB_joy_stick Close to Wafer
22
R610-*2
R606-*1 270 R610-*1 330 TOUCH KEY
680
1/10W 1/10W 1/10W R624
1/10W 22
1% 1% 1%
5%
Red LED(Non M75):4.8mA
Red LED(M75) : 5.9mA
121118
R604,R610
2012->1608
121018 R609
100ohm->200ohm 200
+3.3V_ST
0424
12.07.17
Change D601~3
FHD(5V Panel)
P602
10031HR-30
FHD(5V Panel)
FHD(5V Panel)
1
C602 JP614 2
0.1uF
16V 3
4
+3.3V_Normal
5
OPT R627
OPT 0
R625
4.7K R626 6
100
INTERLACE_CTRL
7
8
RXA3+
9
RXA3-
10
RXACK+
11
RXACK-
12
RXA2+
13
RXA2-
14
15
RXA1+
16
RXA1-
17
18
RXA0+
19
RXA0-
20
RXB3+
21
RXB3-
22
RXBCK+
23
RXBCK-
24
25
RXB2+
26
RXB2-
27
RXB1+
28
RXB1-
29
RXB0+
30
RXB0-
31
JP613
IR_OUT(Ready)
P601
+3.3V_ST
12507WR-12L
(OPT)IR_OUT
R618
10K
JP601
1
OPT
R617 R619
22
0
JP602 IR_OUT
2
(OPT)IR_OUT
C (OPT)IR_OUT
JP603
3 Q602 B
MMBT3904(NXP)
(OPT)IR_OUT
JP606 E C603
4
1000pF
50V
(OPT)IR_OUT
JP605
5
MMBT3904(NXP)
(OPT)IR_OUT
JP604
6
7
JP608
8
JP607
9
JP609
10
JP610
11
JP611
12
JP612
13
+3.3V_ST
R621
R620 10K
10K
(OPT)IR_OUT
C
R622
Q603 B 47K
IR
(OPT)IR_OUT
E
MA55 2013/05/23
6
IR/CONTROL/MODULE
LGE Internal Use Only