LG 55LD520 / 55LD520C (CHASSIS:LA01B) Service Manual ▷ View online
Pin Number
Pin Name
Signal Name
1
P60/SCL0
NEC_SCL
2
P61/SDA0
NEC_SDA
3
P62/EXSCL0
NEC_EEPROM _SCL
4
P63
NEC_EEPROM _SDA
5
P33/TI51/TO51/INTP4
CEC_REM OTE_NEC
6
P75
POWER_ON/ OFF2_1
7
P74
AM P_M UTE
8
P73/KR3
M ODEL1_OPT_0
9
P72/KR2
SOC_RESET
10
P71/KR1
INV_CTL
11
P70/KR0
M ODEL1_OPT_1
12
P32/INTP3/OCD1B
OCD1B,RF_RESET
13
P31/INTP2/OCD1A
RF_ENABLE,OCD1A
14
P30/INTP1
POWER_DET
15
P17/TI50/TO50
LED_B/ LG_LOGO
16
P16/TOH1/INTP5
IR
17
P15/TOH0
LED_R/ BUZZ
18
P14/RXD6
NEC_ISP_Rx
19
P13/TXD6
NEC_ISP_Tx
20
P12/SO10
POWER_ON/ OFF2_2
21
P11/SL10/RXD0
NEC_RXD
22
P10/SCK10/TXD0
NEC_TXD
25
ANI7/P27
KEY1
26
ANI6/P26
KEY2
27
ANI5/P25
SIDE_HP_M UTE
28
ANI4/P24
OLP
29
ANI3/P23
POWER_ON/ OFF1
30
ANI2/P22
M ODEL1_OPT_2
31
ANI1/P21
M ODEL1_OPT_3
32
P20/ANI0
SCART1_M UTE
33
P130
WIRELESS_SW_CTRL
34
P01/TI010/TO00
EDID_WP
35
P00/TI000
OPC_EN
36
P140/PCL/INTP6
RL_ON
37
P120/INTP0/EXLVI
KEY2
38
P41
WIRELESS_PWR_EN
39
P40
WIRELESS_DETECT
40
RESET
M ICOM _RESET
43
FLMD0
FLM D0
GPIO Block(MICOM)
GPIO Block(MICOM)
S7(LGE101D)
& S7 T (LGE105)
LVDS 출력 Block(32”/37”)
LVDS 출력 Block(32”/37”)
P801(30pin)
LVDS Wafer
(HD, 60Hz)
LGD(19”/22”)
LVDS TXA0+/-
LVDS TXA1+/-
LVDS TXA2+/-
LVDS TXAC+/-
LVDS TXA3+/-
Panel_Vcc(+12V)
LVDS
OUT Block
S7(LGE101D)
& S7 T (LGE105)
M+S 출력 Block(42”/47”)
M+S 출력 Block(42”/47”)
P701(30pin)
Mini LVDS Wafer
P702(30pin)
Mini LVDS Wafer
GCLK
Vcom /
GMA (gamma voltage)
Vgh / Vdd /
Vcc / Vgl /
HVDD
T_con signal ( POL / SOE )
GCLK / VDD_EVEN_ODD/VST (33V level)
Vcom /
GMA (gamma voltage)
Vgh / Vdd /
Vcc / Vgl /
HVDD
LVDS RXC0+/-
LVDS RXC1+/-
LVDS RXC2+/-
LVDS RXC3+/-
LVDS RXC4+/-
LVDS RXD0+/-
LVDS RXD1+/-
LVDS RXB0+/-
LVDS RXB1+/-
LVDS RXB2+/-
LVDS RXB3+/-
LVDS RXB4+/-
LVDS RXA0+/-
LVDS RXA1+/-
MAX17113
(4CH DCDC converter)
IC603
TPS62110
(DCDC converter)
IC600
MAX9668
(P_GAMMA, Vcom)
IC601
MAX17119
(Level shifter)
IC602
Vgh_28V
Vdd_16V
Vcc_3.3V
Vgl_-5V
Panel_Vcc(+12V)
Enable1 For VGL
Enable2 For VGH/VDD
Panel_Vcc(+12V)
Enable2 For HVDD
HVDD
VDD_EVEN/ODD
VST
GCLK2/4
VDD_EVEN_ODD
VST (33V level)
AMP_SDA
AMP_SCL
GCLK / VDD_EVEN_ODD/VST (33V level)
T_con signal ( POL / SOE )
GMA
(Gamma Voltage)
VCOM
Mini LVDS
OUT Block
POWER Block (+3.5V_ST)
POWER Block (+3.5V_ST)
P403 or P402
(#9~12), (#10,12)
+3.3V_ST
+1.26V_VDDC
+1.5V_DDR
IC403
MP2212DN
(DCDC)3A
IC407
MP2212DN
(DCDC)3A
IC1101
MAX3232CDR
(RS-232C)
+3.5V_ST
L404
IC1, IC2
H5PS5162FFR-S6C
DDR2
IC1002
UPD78F0513AGA
(Micom)
IC1001
M24C16-WMN6T
(EEPROM)
IC408
NCP803SN293
(RESET IC)
Power_DET
IC100
Main SOC
S7(LGE101D)
& S7 T(LGE105)
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