LG 29UM55, Service Manual

Page: 25 / 29

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.
SIGN2
SIGN1
DP_HPD
DVI_DET
HDMI2_SCL HDMI2_SDA
EDID_WP
DVI_SCL
HDMI2_DET
DP_DET
DVI_SDA DP_PLUG
HDMI1_SDA
HDMI1_HPD HDMI1_SCL
+3.3V_SCALER
C207 0.1uF 16V R200 10K
R201 1M 1%
OSCI OSCO
OSCI OSCO
KEY1 KEY2
CS
SCK
WP_SPI
SDO
C213 0.1uF
SDI
+3.3V
C212 68pF
OPT
C211 68pF
OPT
C208 68pF OPT
R211
10K
+5V
C220 10uF 10V
C257 0.1uF 16V
C265 0.1uF 16V
+1.3V_MULTI
+1.3V_MULTI
C243 10uF 10V
+1.3V_MULTI
C231 0.1uF 16V
C248 10uF 10V
C266 10uF 10V
+1.3V_SCALER
C271 0.1uF 16V
+1.3V_MULTI
+3.3V_SCALER
C261 10uF 10V
+3.3V_SCALER
C267 0.1uF 16V
C245 10uF 10V C262 10uF 10V
C252 0.1uF 16V
+3.3V_MULTI
C225 10uF 10V
C235 0.1uF 16V
C264 0.1uF 16V
C253 0.1uF 16V
C226 10uF 10V
C228 10uF 10V
C242 0.1uF 16V
C249 0.1uF 16V
+1.9V
C237 10uF 10V
+1.9V
C269 10uF 10V
C272 0.1uF 16V
L200
BLM18PG121SN1D
RED LED OPT
WLED_PDIM WLED_ENABLE
C268 0.1uF 16V
R219
33
R220
33
C201 22pF C200 22pF
HDMI1_DET
HP_DET
R231 10K
R207 10K OPT
R236 10K
OPT
+3.3V_SCALER
+3.3V_SCALER
R237 10K
R238 10K
TXC2P
TXB4P
TXBCLN
TXD2N
TXA0N
TXD1P
TXA2N
TXD4P
TXA4N
TXC0N
TXBCLP
TXD4N
TXCCLP
TXB1P TXB2N TXC1N TXDCLN TXC0P
TXCCLN
TXBCLP
TXB2N
TXD2P
TXB1P
TXACLN TXA0P TXA2P
TXD3N
TXB2P
TXC3P TXD0N
TXA0P
TXA1N
TXC1P
TXB4N TXCCLN TXC3N
TXB4P
TXD2N TXB0P TXD1P TXC4N TXC2N
TXA3N
TXC1P
TXA2P TXA4P TXB3P TXB1N TXB3N
P202
FI-RE41S-HF-J-R1500
1
GND
2
GND
3
TXD4P
4
TXD4N
5
TXD3P
6
TXD3N
7
GND
8
TXDCLP
9
TXDCLN
10
GND
11
TXD2P
12
TXD2N
13
TXD1P
14
TXD1N
15
TXD0P
16
TXD0N
17
GND
18
GND
19
TXC4P
20
TXC4N
21
TXC3P
22
TXC3N
23
GND
24
TXCCLP
25
TXCCLN
26
GND
27
TXC2P
28
TXC2N
29
TXC1P
30
TXC1N
31
TXC0P
32
TXC0N
33
GND
34
NC
35
NC
36
NC
37
NC
38
NC
39
NC
40
NC
41
NC
42
TXBCLN TXB1N
TXA0N
TXD2P
TXB0P
TXB3N
P201
FI-RE51S-HF-J-R1500
1
+PANEL_PWR
2
+PANEL_PWR
3
+PANEL_PWR
4
+PANEL_PWR
5
NC
6
GND
7
GND
8
GND
9
GND
10
GND
11
TXB4P
12
TXB4N
13
TXB3P
14
TXB3N
15
GND
16
TXBCLP
17
TXBCLN
18
GND
19
TXB2P
20
TXB2N
21
TXB1P
22
TXB1N
23
TXB0P
24
TXB0N
25
Bit Select
26
NC
27
TXA4P
28
TXA4N
29
TXA3P
30
TXA3N
31
GND
32
TXACLP
33
TXACLN
34
GND
35
TXA2P
36
TXA2N
37
TXA1P
38
TXA1N
39
TXA0P
40
TXA0N
41
GND
42
NC
43
PWM_OUT
44
NC
45
LVDS Format
46
ODC Select
47
NC
48
NC
49
NC
50
NC
51
GND
52
GND
TXC4P TXD3P
TXD3N TXCCLP TXB2P TXC2P
TXDCLN
TXA1P TXD4N TXC0N TXD3P
TXA1P
R221
10K
TXC3N
TXB4N
TXDCLP
TXD1N
TXB3P
TXB0N
TXC0P
TXACLP
TXC1N TXD0P
TXD1N TXD4P
TXC4N
TXC4P TXA4N
TXC2N
TXA3N TXD0P
TXACLP
+10V_PANEL
TXA3P TXA4P
TXA1N
C216 10uF 25V
TXD0N TXC3P
TXA2N
TXDCLP
TXA3P
TXACLN
TXB0N
R215
1K
R216
1K
+1.3V_MULTI
/FAULT
IC201
W25Q80BVSSIG
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD[IO3]
8
VCC
BUZZER_PWM
WLED_ADIM
KEY2 KEY1
SDO
CS
SCK
WP_SPI
SDI
+3.3V_SCALER
+3.3V_SCALER
+3.3V_SCALER +3.3V_SCALER +3.3V_SCALER +1.3V_SCALER
PD_CTRL
PANEL_ON
+1.9V
C202
0.1uF
R205
10K
1%
R206
10K
1%
R204 1K
R202 1K
+1.3V_MULTI
C214 1uF
+1.3V_SCALER
P200
12507WR-08L
1
+3.3V
2
KEY1
3
KEY2
4
SCL
5
SDA
6
GND
7 8
9
3.3V_AMP_POWER_ON HDMI2_HPD DVI_HPD
C260 0.1uF 16V
P_LED
+3.3V_SCALER
+3.3V_MULTI +3.3V_MULTI
X200
12MHz
L201
BLM18PG121SN1D
WHITE LED OPT
+5V
R203
4.7K
OPT R208 4.7K
R209 4.7K
OPT
Q200
MMBT3904-(F)
E
B
C
P_LED
+3.3V
C203 68pF
D200
D201
D202
D203
IC100
NT68370(D VER.)
PC3/CEC
B2
PC0/CEC/SCK_O
B3
PF7/VBUS4/WD_I
D12
PA6/DDC_SCL3/RXD3
C11
PA7/DDC_SDA3/TXD3
D11
PF3/CD_SENSE4
A3
PD5/IR_PORT1/MCLK_O
A4
PE4/CBUS1/HPD1
C3
PF4/VBUS1
B4
PB4/DDC_SCL0/RXD0
C4
PB5/DDC_SDA0/TXD0
D3
PF0/CD_SENSE1
D4
PD4/IR_PORT3
E3
PE5/CBUS2/HPD2
F3
PF5/VBUS2
F4
PB6/DDC_SCL1/RXD1
G3
PB7/DDC_SDA1/TXD1
G4
PF1/CD_SENSE2
H3
PC7/IR_PORT2/SCK_I
H4
PA0/ADC4/PWMA
T3
PA1/ADC5/PWMB
T4
PC4/DDC_SCL4/RXD4
P3
PC5/DDC_SDA4/TXD4
P4
PD7
R4
RSTN
V3
OSCI
N1
OSCO
N2
OPT1
V1
OPT0
V2
PE2/DBC/PWMC/M2_SPI_CE3
AC16
PE3/PWMD/M2_SPI_CE4
AD17
PA2/ADC6/PWMC/DIN_19
AC17
PA3/ADC7/PWMD/DIN_18
AE17
PB2/ADC2/INTE2/DIN_21
AF17
PB3/ADC3/INTE3/DIN_20
AE18
P34/RXD5/DIN_16
AD18
P35/TXD6/DIN_15
AD19
PC6/AMUTE/M2_SPI_CE2/AO_IN/DIN_17
AC18
P30/RXD/AO_OUT/DIN_14
AF18
P31/TXD/AO_OUTB/DIN_13
AC19
PD2/M2_SPI_SO/SD_I/DIN_12
AE19
PD3/M2_SPI_CE1/WD_I/DIN_11
AE20
PD0/M2_SPI_CLK/SCK_I/DIN_10
AF19
PD1/M2_SPI_SI/DIN_9
AF20
SPI_CE
AD20
SPI_SO
AC20
SPI_CLK
AC21
SPI_SI
AD21
PE7/CBUS4
C12
PD6/DIN_VS
D13
PF2/CD_SENSE3/DIN_HS_CS
C13
PA5/DDC_SDA2/TXD2/DIN_HREF_DE
D14
PA4/DDC_SCL2/RXD2/DIN_0
C14
PE6/CBUS3
C15
PF6/VBUS3/SD_I
D15
PB1/ADC1/INTE1/DIN_3
C16
PB0/ADC0/INTE0/DIN_4
B16
PE1/ADDR1/DIN_1
A16
PE0/LPD_IN0/ADDR0
D17
PC2/DBC/PWMB/SD_O
C17
PC1/LPD_OUT/PWMA
B17
OUT_P
A20
OUT_N
B20
PG3/DIN_6/DUI_INTE
C20
PG2/DIN_5/DUI_SPI_SIO
D20
PG1/DIN_2/DUI_SPI_CE
A19
PG0/DIN_CK/DUI_SPI_CK
B19
PG7/DIN_7/DUO_INTE
C19
PG6/DIN_8/DUO_SPI_SIO
D19
PG5/DIN_23/DUO_SPI_CE
A18
PG4/DIN_22/DUO_SPI_CK
B18
DU_VS/PA4
D18
DU_DE/PA5
C18
DU_FAST_MUTE/PD0
A17
HI_M_S_SEL
J3
HI_SPI_CK/P35
J4
HI_INTE/PA2
K3
SPI_CE3/P34
K4
SPI_CE2/P31
L3
SPI_CE1/P30
L4
SPI_SIO4/PB3
M3
SPI_SIO3/PB2
M4
SPI_SIO2/PB1
N3
SPI_SIO1/PB0
N4
IC100
NT68370(D VER.)
TXA0N
N24
TXA0P
N23
TXA1N
N26
TXA1P
N25
TXA2N
P24
TXA2P
P23
TXACKN
P26
TXACKP
P25
TXA3N
R24
TXA3P
R23
TXA4N
R26
TXA4P
R25
TXB0N
T24
TXB0P
T23
TXB1N
T26
TXB1P
T25
TXB2N
U24
TXB2P
U23
TXBCKN
U26
TXBCKP
U25
TXB3N
V24
TXB3P
V23
TXB4N
V26
TXB4P
V25
TXC0N
W24
TXC0P
W23
TXC1N
W26
TXC1P
W25
TXC2N
Y24
TXC2P
Y23
TXCCKN
Y26
TXCCKP
Y25
TXC3N
AA24
TXC3P
AA23
TXC4N
AA26
TXC4P
AA25
TXD0N
AB24
TXD0P
AB23
TXD1N
AB26
TXD1P
AB25
TXD2N
AC24
TXD2P
AC23
TXDCKN
AC26
TXDCKP
AC25
TXD3N
AD24
TXD3P
AD23
TXD4N
AD26
TXD4P
AD25
DP_TX0N
C25
DP_TX0P
C26
DP_TX1N
D25
DP_TX1P
D26
DP_TX2N
E25
DP_TX2P
E26
DP_TX3N
F25
DP_TX3P
F26
DP_AUXN
G25
DP_AUXP
G26
DP_TXHDP
G24
DPTX_OSCI
H24
DPTX_OSCIO
J24
EDP_TX0P
H26
EDP_TX0N
H25
EDP_TX1P
J26
EDP_TX1N
J25
EDP_TX2P
K26
EDP_TX2N
K25
EDP_TX3P
L26
EDP_TX3N
L25
EDP_AUXN
M25
EDP_AUXP
M26
EDP_TXHDP
K24
EXT_SWING
AE25
3P_OPEN
AF21
3N_OPEN
AE21
2P_OPEN
AF22
2N_OPEN
AE22
1P_OPEN
AF23
1N_OPEN
AE23
0P_OPEN
AF24
0N_OPEN
AE24
LOCKN_OPEN
AD22
HTPDN_OPEN
AC22
IC100
NT68370(D VER.)
CVDD_1
G17
CVDD_2
G18
CVDD_3
G19
CVDD_4
H19
CVDD_5
J19
CVDD_6
K19
CVDD_7
L19
CVDD_8
M19
CVDD_9
N19
CVDD_10
P19
CVDD_11
R19
CVDD_12
T19
CVDD_13
U19
CVDD_14
V17
CVDD_15
V18
CVDD_16
V19
VDD12RX_1
G11
VDD12RX_2
H10
VDD33RX_1
G9
VDD33RX_2
H9
VMM_ADC12_1
M9
VMM_ADC12_2
N9
VCCA/VCCD_1
V9
VCCA/VCCD_2
V10
VCC_CLK
V12
VX1_EXT12_1
W18
VX1_EXT12_2
W19
APR1_V12_1
J9
APR1_V12_2
J10
APR1_V12_3
K9
APR1_V12_4
K10
DP_AVDD_PLL_1
J21
DP_AVDD_PLL_2
K21
DP_AVDD_1
J20
DP_AVDD_2
K20
TVCC33_1
E11
TVCC33_2
E12
TVCC33_3
E13
VCC_LDO33
M7
VCC_ADC33
M8
MPLL33
N8
OSC_VCC33
N7
VDD_DLL
P7
VCCA_LVDS_1
R21
VCCA_LVDS_2
T21
DP_AVDD_33_1
G20
DP_AVDD_33_2
H20
VCC33_SSCK
F20
OSC_MVCC3IO
D21
DVDD_1
E15
DVDD_2
E16
DVDD_3
E17
VDD_VBYONE_33V_1
V20
VDD_VBYONE_33V_2
W20
V12T_1
F10
V12T_2
F11
V12T_3
G10
VDD_CORE/VDD_MMU_1
U7
VDD_CORE/VDD_MMU_2
U8
VDD_CORE/VDD_MMU_3
V7
VDD_CORE/VDD_MMU_4
V8
VDD_CORE/VDD_MMU_5
W7
VDD_CORE/VDD_MMU_6
W8
VDD_CORE/VDD_MMU_7
W9
VDD_CORE/VDD_MMU_8
W10
VDD_CORE/VDD_MMU_9
W11
VDD_CORE/VDD_MMU_10
W12
VDD_CORE/VDD_MMU_11
W13
VDD_CORE/VDD_MMU_12
W14
VDD_CORE/VDD_MMU_13
W15
VDD_CORE/VDD_MMU_14
W16
VDD_CORE/VDD_MMU_15
W17
VDD_CORE/VDD_MMU_16
Y7
VDD_CORE/VDD_MMU_17
Y8
VDD_CORE/VDD_MMU_18
Y9
VDD_CORE/VDD_MMU_19
Y10
VDD_CORE/VDD_MMU_20
Y11
VDD_CLK
Y12
MVREF
Y6
GND_1
H12
GND_2
H13
GND_3
H14
GND_4
H15
GND_5
H16
GND_6
H17
GND_7
H18
GND_8
J12
GND_9
J13
GND_10
J14
GND_11
J15
GND_12
J16
GND_13
J17
GND_14
J18
GND_15
K12
GND_16
K13
GND_17
K14
GND_18
K15
GND_19
K16
GND_20
K17
GND_21
K18
GND_22
L12
GND_23
L13
GND_24
L14
GND_25
L15
GND_26
L16
GND_27
L17
GND_28
L18
GND_29
M12
GND_30
M13
GND_31
M14
GND_32
M15
GND_33
M16
GND_34
M17
GND_35
M18
GND_36
N12
GND_37
N13
GND_38
N14
GND_39
N15
GND_40
N16
GND_41
N17
GND_42
N18
GND_43
P12
GND_44
P13
GND_45
P14
GND_46
P15
GND_47
P16
GND_48
P17
GND_49
P18
GND_50
R12
GND_51
R13
GND_52
R14
GND_53
R15
GND_54
R16
GND_55
R17
GND_56
R18
GND_57
T12
GND_58
T13
GND_59
T14
GND_60
T15
GND_61
T16
GND_62
T17
GND_63
T18
GND_64
U12
GND_65
U13
GND_66
U14
GND_67
U15
GND_68
U16
GND_69
U17
GND_70
U18
GND_71
Y3
GND_72
AA3
GND_73
AB3
GND_74
AC3
GND_75
AD3
GND_76
AD4
GND_77
AD5
GND_78
AD6
GND_79
AD7
GND_80
AD8
GND_81
AD9
GND_82
AD10
GND_83
AD11
GND_84
AD12
GND_85
AD13
GND_86
AD14
GND_87
AD15
GND_88
AD16
ADC_GND
N10
OSC_GND
P10
ITLC
R960 10K
+3.3V
R961 0
OPT
R962 0
ITLC
2 6
GPIO/Scaler Power/LVDS
FLAH 8MBIT
HIGH-10bit
NC-8bit
Control key
LVDS JACK1
LVDS JACK2
If h/sink applied, X200 shall move away h/sink area
Flash shall be chagned 16Mbit when scaler being revised
5V_DET_INT
34UM65
High : Interlace mode
Low : Normal mode