LG 47LA790V Service Manual page 49

+3.3V_NORMAL
R7758
10K
VCC18 R7756
10K
EPI_LOCK6
C
R7757
B
MMBT3904(NXP)
R7761 Q7703
10K
10K
E
OPT
C
R7755
B
Q7702
EPI_LOCK6_SOURCE
MMBT3904(NXP)
100
E
THIS IS REVERSE PATTERN !!!!
[Left Source(51PIN LOCATION)]
VCC18
C7701 C7700
0.1uF 0.01uF
50V 50V
51
GMA1
50
GMA3
49
GMA4
48
GMA5
47
GMA7
46
GMA9
45
GMA10
44
GMA12
43
42 GMA14
GMA15
41
GMA16
40
GMA18
39
Vcore
38
37
EPI_LOCK3
36
35
34
33
TXB2P CH6
32
TXB2N FROM SOC
31
30
29
TXB1P CH5
28
TXB1N FROM SOC
27
26
25
TXB0P CH4
24
TXB0N FROM SOC H_VDD
23
22
VDD
21
20
19
18
VCOML_FB
17
VCOM_IN
16
GIP_RST
15
VST
14
VGL_I
13
VGH_EVEN
12
VGH_ODD
11
VGH_F
10
VGH_R
9
CLK6
8
CLK5
7
CLK4
6
CLK3
5
CLK2
4
CLK1
3
2
Z_OUT
1
FL8S050HA1
P7702
EPI
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
VCC18
L7700
C7705 C7708
LQM2HPN2R2MG0L
10uF 10uF 2.2uH
10V 10V
OPT
Vcore
1/16W
R7725 0
PMIC_RESET
L7705 OPT
TO SOC
VCC
BLM18PG121SN1D
EPI_H13 L7701
R7701
C7706 C7709 LQM2HPN2R2MG0L
10uF 10uF 2.2uH 10K
10V 10V
1/16W
VCC
L7702
C7707 C7728
22uH
R7700 C7704 C7710 C7711 C7712 PANEL_VCC
10uF 10uF
2K 0.1uF 10uF 10uF 1uF D7700
10V 10V
16V 10V 10V 10V SX34
1/16W
OPT OPT
40V
C7713 C7714
10uF 10uF
25V 25V
H_VDD
R7729 C7715
2.7K
10uF
1/16W 16V
[Right Source(41PIN LOCATION)]
VCC18
C7703 C7702
0.1uF 0.01uF
50V 50V
51
Z_OUT
50
49
CLK1
48
CLK2
47
CLK3
46
CLK4
45
CLK5
44
CLK6
43
VGH_R
42
R7702
VGH_F 100
41
CLK6_I
VGH_ODD
40
CLK5_I
VGH_EVEN
39 CLK4_I
VGL_I
CLK3_I
38
CLK2_I
VST
37
CLK1_I
GIP_RST
36
VCOM_IN
35
VCOM1
34
VDD
H_VDD
33
32
31
30
29
TXA4P
28
TXA4N
27
R7703
EO_SOC
26
1/16W
FROM SOC
25
TXACLKP
24
TXACLKN
23
22
21
TXA1P
20
R7704
TXA1N
FROM SOC
19 GST_SOC
Vcore
1/16W
18
FROM SOC
17
16
EPI_LOCK3
15
EPI_LOCK6_SOURCE
14
13
GMA18
12
GMA16 R7705
11
MCLK_SOC
GMA15
1/16W
10
FROM SOC
GMA14
9
GMA12
8
GMA10
7
GMA9
6
GMA7
5
GMA5
4
R7706
GMA4 GCLK_SOC
3
1/16W
GMA3
FROM SOC
2
GMA1
1
FL8S050HA1
P7703
EPI
<POWER BLOCK>
VCOM_P
VCOM_N
VCOM_LOOP
VCOM1_FB
R7710 0
VCOM_DYN
1/16W
FROM SOC
OUT4 CTRLN
1 36
SWB4 VGL
2 35
THERMAL
RST SWN
3 34
49
OUT1 SWP
4 33
IC7700
OUT2 VGH
5 32
SWB2 CTRLP
6 TPS65178RSLR 31
PGND2 TCOMP
7 EPI 30
TCOMP
SWB1_1 VL
8 29
SWB1_2 SDA
9 28
I2C_SDA2
C7721 0.1uF NC SCL C7742
10 27
I2C_SCL2
1uF
OPT 50V PVINB1_1 COMP
11 26
COMP 25V
PVINB1_2 SS
12 25
SS
C7716
10uF
25V
OPT SS
COMP
C7724
R7717
1uF OPT
33K
25V 1/16W
C7740
1000pF
C7736 50V
L7703
1000pF
NR6020T6R8NC
50V
6.8uH
C7722
10uF
16V
C7737 C7739
0.1uF 0.1uF
50V 50V
R7713 C7729
1000pF
2.2
PANEL_VCC
1/16W
50V VDD_EPI
OPT OPT
L7704 D7701
22uH SX34
40V
C7723 C7725 C7734 C7738 C7732
10uF 10uF 0.1uF 0.1uF 0.1uF
25V 25V 50V 50V 50V
OPT
<LEVEL SHIFTER BLOCK>
CLK6
R7707
CLK5
R7711
100
CLK4
R7712
100
CLK3
R7714
100
CLK2
R7715
100
CLK1
100
RE
47
VGH_R
EO 8
VGH_R
VGH_F
9
VGH_F
C7717
ODD
10
VGH_ODD
15pF
50V EVEN TPS65198
11
VGH_EVEN
IC7701
VST
12
VST
R7719 0 RESET
GIP_RST 13
47 1/16W
DISCHG
GST 14
DISCHG
C7718 R7716
VGL
0
VGL
15pF
1/16W
50V
OPT
R7721
0
1/16W
47
MCLK
C7741 C7743
10uF 1uF
16V 25V
C7719
15pF
50V
47
GCLK
R7723 R7724
0 0
C7720 1/16W 1/16W
OPT
15pF
50V
VGH
VCC
R7759 R7760
0 0
R7730 R7737
1/16W 1/16W
OPT OPT
1/16W 1/16W
MMBT3904(NXP)
R7728 100K
1/16W 5%
CTRLN
C7745 C7747
SWN
1uF 25V 1uF 25V
CTRLN
VGL_FB
SWN
SWP
VGH_FB
CTRLP
C7746 C7748
SWP
1uF 25V 1uF 25V
VDD
CTRLP
VL
R7727 100K
1/16W 5%
MMBT3906(NXP)
C7731
0.1uF
16V
VDD
R7718
9.1K
VL
1/16W
R7720
47K
1/16W
5%
TCOMP
TH7700 R7722
100K
47k-ohm
1/16W
1%
NCP18WB473F10RB
VCC
VGL
R7748
1K
VGL
1/16W
REVERSE R7740 0
[EP]VGL
R7749
1K 1/16W
BI-SCAN 1/16W
28
REVERSE
R7741 0
OPT
GCLK DISCHG
27
GCLK VCC
1/16W
OPT
MCLK
26
MCLK
GST VDD
25
GST
R7735
100
EO
24 1/16W
EPI EO
R7742 3K
VSENSE
23
OPT 1/16W
GND C7750
22 R7736
R7743 0
3K 1uF
1/16W
OPT
25V 1/16W
PANEL_VCC
VDD
OPT
R7751 R7753
15K 15K
R7738 R7747 1/16W 1/16W
0 0
OPT
1/16W 1/16W
OPT R7752 R7754
C7726 15K
15K
1/16W
1/16W
1uF
OPT
25V
VCOM_P
VCOM_N
VCOM_LOOP
R7731 100 1%
1/16W
VDD
D7702
R7734 0
1/16W
OPT
OPT
40V
C7744 R7726 R7732 C7749
R7733
0 0
1uF 0 1uF
1/16W 1/16W
1/16W
50V 50V
OPT
OPT
VGH
INSTEAD OF AMCC0208
Q7700
D7703
VGL_FB
1N4148W
VGL
100V
0
R7745
1/16W
D7705
R7739
C7727 C7756
1.5K C7733
1N4148W
0.1uF
1/16W 1uF 10uF
100V
50V 5%
25V 16V
INSTEAD OF AMCC0209
VGH_FB
D7704
1N4148W
R7746
100V
1/16W
C7755 C7757
D7706 1uF 1uF
R7744
1N4148W 50V 50V R7750
20K
20K
100V
1/10W 1/10W
5% 5%
C7754
Q7701
0.1uF
50V
VDD
OPT
R7772
OPT 39K
1%
1/16W
IC7702
IML7821BE
VOUT 1 5 VS+
OPT
VCOM2
VS- 2
OPT
OPT
VCOML_FB
R7771 VIN+ 3 4 VIN- R7770
VCOM_P
0 0
1/16W 1/16W
R7765
VCOML_FB
VCOM1
0
1/16W
R7766 OPT
VCOM2 VCOM_IN
0
1/16W
OPT
R7767
VCOM1
0
1/16W
R7768
VCOM_IN VCOM1_FB
0
1/16W
OPT
R7769
VCOML_FB 0
1/16W
VGL_I
RE
2011.12.01
T-Con 77
LGE Internal Use Only
VGH
0