LG 49UF6400 Service Manual page 49

R7702
R7704
47
EO_A EO VDD
0
OPT
C7703
FROM SOC
R7705
R7766
15pF
10K
50V 0
OPT
R7703
47
GST_A
GST
C7704
FROM SOC
R7767
15pF
10K
50V
R7700
47
MCLK_A MCLK
C7701
FROM SOC
R7768
15pF
10K
50V
R7701
47
GCLK_A
GCLK
FROM SOC C7702
R7769
15pF
10K
50V
EPI 8-Lane (RIGHT)
OPT
R7735
300
PM_VCC
1/16W
5% R7737 R7740 R7742 R7745
0 0
0 0
1/16W 1/16W 1/16W 1/16W
R7741 100K
1/16W 5%
CTRLN
SWN
C7775 C7777
1uF 1uF
25V
25V
R7736
10
1/16W
IC7703
5%
TPS63700DRCR
C7776
4700pF
C7770 50V
COMP
0.1uF
1
16V
GND
2
VIN
3
PM_VCC
EN
4
IN
5
C7767
10uF
10V
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 © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
<T-CON POWER BLOCK>
RE RE
R7711
30K
1/16W
OPT
PM_VCC
GCLK
MCLK
R7713
GST
10K
1/16W EO
LS_VGL
VGL_FB
C7713
C7719
SWN
10uF
10uF
16V
25V CTRLN
PM_VCC
L7700
22.0uH
C7708 C7709 C7711 C7712 C7715 C7718
R7708
2K 10uF 10uF 10uF 10uF 10uF 1uF D7700
10V 10V 10V 10V 10V 10V SX34 C7725
1/16W
40V
4700pF
50V
PMIC_SW
C7726
2200pF
50V
PANEL_VCC
C7720 C7721
C7723
10uF 10uF
4.7uF
25V 25V
50V
HVDD
R7712
C7722 C7724
2.7K 10uF 10uF
16V 16V
INSTEAD OF AMCC0208
Q7701
MMBT3904(NXP)
D7705
1N4148W
100V
R7763
0
VGL1
1/16W
D7706
R7759
C7794 C7798
1.5K C7799
1N4148W
0.1uF
1/16W 10uF 10uF
100V
25V 5%
16V 16V
<VGL Block>
R1
C7787
0.22uF PANEL_VCC
16V
[EP]
Vout=1.213x(-R2/R1)
VREF
10
FB
9
R2
OUT
8
PS_GND
7
SW
6
40V
VGL2
SX34
C7795 C7797
D7707
10uF 10uF
16V 16V
EPI_49/55inch
R7754
VGL1 LS_VGL
0
R7753
VGL2
0
EPI_43inch
<2VGL_2 Block>
VCOMLFB
VCOMRFB
VCOMLFB
C7729
4.7uF
VCOMRFB
50V
R7718 OPT
0
R7719
OPT
GCLK VGH 0
1 42
MCLK THERMAL VGH_SW
2 41
57
GST HGND
3 40
R7721
E/O VCOMFB2
4 39
PMIC(SW5094A)_SILICONWORKS VCOMFB2
0
L/S_GND VCOM2
5 38
VCOM2
L/S_VGL VCOM1
6 IC7700 37 VCOM1
R7720
VGL VCOM
7 SW5094A 36
VCOMFB1
0
SWN GMA_N6
8 35
CTRLN GMA_N5
9 34
RST[T-CON] GMA_N4
10 33
OUT1 GMA_P3
11 32
SWB1 GMA_P2
12 31
AGND GMA_P1
13 30
PVINB1 COMP
14 29
C7730 C7732 C7733
150pF 150pF 150pF
50V 50V 50V
AR7700
R7764
I2C_SCL6 0
I2C_SDA6 SS LS_VGL
1/16W
33
PGND_1
C7728
C7727 PVINB1
10uF
10uF
25V
25V
L7701
10.0uH
PMIC_RT
C7769
4700pF
50V
R7734
3.3
1/16W
5% C7768
10uF
25V
TAIYO_PMIC_COIL
L7703-*1
10.0uH
GET_PMIC_COIL
NC_1
L7703
1
10.0uH THERMAL
SW2_1
25
2
OPT
SW2_2
3 IC7702
C7758 C7759
C7760 C7761
10uF 10uF PGND2
10uF 10uF RT5043A
4
25V 25V
25V 25V
SS
5
PGND1
6
R7728
VCOMFB1
0
R7727
0
R7730
VCOMFB2
0
C7734 C7737
R7729 560pF
560pF
0 50V 50V
L7702
22.0uH
40V
SX34
C7738 C7740 C7742 C7746 C7756
D7701
4.7uF 4.7uF 4.7uF 4.7uF 10uF
50V 50V 50V 50V 25V
GMA18
GMA14
GMA10
GMA9
GMA5
GMA1
COMP
C7735 C7736 C7739
150pF 150pF 150pF
50V 50V 50V
GCLK VGH
1 42
MCLK THERMAL VGH_SW
2 41
GST 57 PGND_4
3 40
E/O 4 39 VCOMFB2
PMIC(RT6923)_RICHTEK
AGND VCOM2
5 38
VCOM1 C7731
6 IC7700-*1 37
VGL VCOMFB1
7 RT6923 36 1uF
SWN 8 35 GMA_N6
CTRLN 9 34 GMA_N5 25V
RST GMA_N4
10 33
OUT1 GMA_P3
11 32
SWB1 12 31 GMA_P2
13 30 GMA_P1
COMP
14 29
40V
SX34
D7703
PMIC_RT
40V
C7778
SX34
560pF
D7704
50V
SSM3J332R
Q7700 C7781 C7783 C7785
10uF 10uF 10uF
R1
25V 25V 25V
C7774
1uF
25V
Vout=1.25x(1+R1/R2)
Ref R7747 R7733 R7762
R2
FB
43 49
INCH
VALUE 3.9K 15K
IN2
18
NC_3
17
SS2
16
FB_Vcore
PVCC
PVCC
15
FB
FB_Vcore
14
EN
13
CLK8
CLK7
CLK6
CLK5
CLK4
CLK3
CLK2
CLK1
C7741 C7744 C7748
C7750 C7753
C7755
560pF 560pF
560pF 560pF 560pF
560pF
50V 50V
50V 50V
50V 50V
Improve the Vertical dot noise
VDD
VL
SS
COMP
R7722
47K C7752
0.1uF
16V
TCOMP C7747
68pF
R7723 C7745 50V
TH7700
120K 1000pF OPT
47k-ohm
50V
1%
R7761
0 VDD
C7788 C7790 C7793 C7796
10uF 10uF 1uF 0.1uF
25V 25V 25V 25V
55
22K
RT SW
TP7701 Location No.
D7700 X 0
C7778 560pF
X
R7739 X 180Kohm
R7734 3.3ohm 3.3ohm
R7769 4.7nF X
C7749
1uF
OPT
25V
C7754
1uF
C7751 25V
330pF
50V
UF64/6800 2015-01-21
77
T-Con
LGE Internal Use Only