Read LG 50PX950-AA (CHASSIS:PA02B) Service Manual online
SDA0_3.3V
0 . 1 u F
C102
+3.3V_MULTI
NAND_DATA[0-7]
D3.3V
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.
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.
NAND_ALE
SCL0_3.3V
NAND_CLE
2.7K
R49
2.7K
R43
2.7K
READY
R41
2.7K
READY
R45
2.7K
READY
R44
2.7K
READY
R42
2.7K
R50
READY
2.7K
R46
2.7K
R48
2.7K
READY
R47
KRC103S
Q100
E
B
C
0.1uF
C101
0 . 1 u F
C105
NAND_CLE
NAND_RB
D3.3V
NAND_DATA[0-7]
NAND_ALE
NAND_CE
FLASH_WP
D3.3V
NAND_RE
10uF 6.3V
C104
D3.3V
NAND_WE
4.7K
R3
SKHMPWE010
SW102
FOR DEBUG
1
2
43
5
RESETB_BCM3556
+3.3V_MULTI
BCM_RX
RS232C_RXD
NEC_TXD
BCM_TX
RS232C_TXD
NEC_RXD
NEC_EEPROM_SDA
+3.3V_NEC_ST
EDID_WP
NEC_ISP_RXD
10K
R170
NEC_RXD
0 . 1 u F
16V
C107
100K
R136
RL_ON
UPD78F0513AGA-GAM-AX
IC105
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RXD6
19
P13/TXD6
20
P12/SO10
21
P11/SL10/RXD0
22
P10/SCK10/TXD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P 0 0 / T I 0 0 0
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
22
R106
0.1uF
C109
READY
5V_ON
KEY1
+3.3V_NEC_ST
+3.3V_NEC_ST
0 . 1 u F
16V
C114
FLMD0
FLMD0
0 0 9 : E 3 ; 0 0 9 : F 1
AC_DET
MODEL1_OPT_2
10K
R174
RESET_NEC
0 0 9 : E 3 ; 0 0 9 : F 1
LED_RED
22
R142
MODEL1_OPT_0
LED_BREATHING
22
R146
INSTANT_BOOT
NEC_EEPROM_SDA
JTP-1127WEM
FOR DEBUG
SW100
12
4
3
22
R98
1/10W
47K
5%
R79
2SC3052
Q101
E
B
C
OCD1B
NEC_ISP_TXD
22
R169
22
R97
10K
FOR DEBUG
R91
0 . 1 u F
C110
KEY1
NEC_TXD
22
R168
OCD1B
MODEL1_OPT_3
IR_NEC
LED_WHITE
RESET_NEC
RESETB_BCM3556
NEC_ISP_RXD
HDMI_CEC
NEC_EEPROM_SCL
MODEL1_OPT_1
NEC_EEPROM_SCL
KEY2
+3.3V_NEC_ST
NEC_ISP_TXD
+3.3V_NEC_ST
WIRELESS_PWR_EN
22
R105
+3.3V_MULTI
FLMD0
12505WS-12A00
FOR DEBUG
P102
1
2
3
4
5
6
7
8
9
10
11
12
13
WIRELESS_DETECT
10K
LED_PK50/LED_PK90
R30
10K
LED_PK50/LED_PK70
R36
100
R27
MODEL1_OPT_2
10K
LED_PK90
R35
10K
READY
R33
DISP_EN
AMP_RESET_N
+3.3V_NEC_ST
MODEL1_OPT_1
MODEL1_OPT_0
10K
READY
R32
MODEL1_OPT_3
10K
LED_PK70
R29
100
R28
10K
READY
R34
10K
READY
R31
10K
R24 READY
NEC_ISP_RXD
OCD1B
10K
R23
READY
10K
R26 READY
NEC_ISP_TXD
+3.3V_NEC_ST
10K
R25 READY
D3.3V
SDA0_3.3V
SDA2_3.3V
SCL3_3.3V
SCL2_3.3V
SDA3_3.3V
SCL0_3.3V
SIDEAV_DET
TUNER_RESET
MODEL_OPT_5
MODEL_OPT_1
BCM_TX
MODEL_OPT_3
AUD_MASTER_CLK
SDA3_3.3V
DDC_SCL
SCL1_3.3V
NAND_DATA[0-7]
SCL0_3.3V
NAND_CE
DDC_SDA
USB1_CTL
100
R138
NAND_ALE
/RST_HUB
22
R114
NAND_WE
100
R137
SDA2_3.3V
SDA1_3.3V
100
R122
BT_RESET
SCL2_3.3V
COMP2_DET
D3.3V
SCL3_3.3V
DSUB_DET
COMP1_DET
EPHY_LINK
NAND_RE
NAND_RB
NAND_CLE
100
R150 READY
EPHY_ACTIVE_Y
100
R123
MODEL_OPT_2
22
R132
MODEL_OPT_0
SDA0_3.3V
22
R145
33
R96
BCM_RX
MODEL_OPT_4
12pF
50V
C111
12pF
50V
C108
1K
READY
R71
1K
HD
R65
1K
READY
R70
100
R37
D3.3V
MODEL_OPT_1
1K
FHD
R64
MODEL_OPT_4
MODEL_OPT_2
1K
AUS
R51
1K
READY
R66
MODEL_OPT_3
1K
READY
R52
1K
READY
R67
1K
AUS
R68
MODEL_OPT_5
BT_ON/OFF
1K
READY
R53
1K
EU
R69
1K
READY
R54
100
R40
MODEL_OPT_0
OCD1A
OCD1A
OCD1A
10K
FOR DEBUG
R11
WIRELESS_DL_TX
WIRELESS_DL_RX
USB1_OCD
USB2_CTL
VREG_CTR
SDA1_3.3V
SCL1_3.3V
2.7K
R58
READY
2.7K
R55
2.7K
R56
2.7K
R59
READY
2.7K
R63
2.7K
R62
2.7K
R57
2.7K
R60
2.7K
R61
READY
10K
R8
USB2_OCD
MOD_ROM_TX
MOD_ROM_RX
0
R75
0
R74
FLMD0
IF_AGC_SEL
2.7K
R4
2.7K
R80
2.7K
R78
2.7K
R5
0 . 1 u F
16V
C103
0
READY
R89
4.7K
READY
R164
4.7K
READY
R163
0
R134
READY
0
R160READY
RESET_OUTB
10K
R9
D3.3V
AV1_DET
1.2K
R83
1.2K
R84
1.2K
R85
READY
1.2K
R86
READY
1.2K
R87
1.2K
R88
FLASH_WP
5V_HDMI_3
5V_HDMI_4
5V_HDMI_1
5V_HDMI_2
HPD1
HPD2
HPD3
HPD4
NAND04GW3B2DN6E
IC102
NUMONYX_4G_NAND
26
NC_17
27
NC_18
28
NC_19
29
I / O 0
30
I / O 1
31
I / O 2
32
I / O 3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VDD_2
38
NC_23
39
NC_24
40
NC_25
41
I / O 4
42
I / O 5
43
I / O 6
44
I / O 7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
AL
3
NC_3
6
NC_6
16
CL
15
NC_10
14
NC_9
13
VSS_1
12
VDD_1
11
NC_8
10
NC_7
9
E
8
R
7
RB
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
W
SUB_SCL
SUB_SDA
100K
R166
1%
10K
R104
10K
R101
10K
R109
10K
R110
10MHz
X100
120K
R176 1%
0 . 1 u F
50V
50V
C1
4.7K
R82
FLASH_WP
10K
R21
22
R18
22
R19
0
R20
READY
10K
R165
0
R135
22
R73
22
R72
FLASH_WP
32.768KHz
X101
RTC_TXC
32.768KHz
X101-*1
RTC_KSD
15pF
50V
C112-*1
RTC_KSD
15pF
50V
C113-*1
RTC_KSD
4.7M
R10
RTC_TXC
22pF
50V
RTC_TXC
C112
27pF
50V
RTC_TXC
C113
TC58NVG2S3ETA00
TOSHIBA_4G_NAND
I C 1 0 2 - * 1
26
NC_17
27
NC_18
28
NC_19
29
I / O 1
30
I / O 2
31
I / O 3
32
I / O 4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I / O 5
42
I / O 6
43
I / O 7
44
I / O 8
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
AT24C1024BN-SH-T
ATMEL_1M_EEPROM
IC106-*1
3
A2
2
A1
4
GND
1
NC
5
SDA
6
SCL
7
WP
8
VCC
AT24C16BN-SH-B
ATMEL_16K_EEPROM
IC104-*1
3
NC_3
2
NC_2
4
GND
1
NC_1
5
SDA
6
SCL
7
WP
8
VCC
M24C16-WMN6T
0IMMRSG036B
IC104
STM_16K_EEPROM
3
NC/E2
E2
2
NC/E1
E1
4
VSS
GND
1
NC/E0
NC
5
SDA
SDA
6
SCL
SCL
7
WC
WC
8
VCC
VCC
M24M01-HRMN6TP
IC106
STM_1M_EEPROM
3
E2
2
E1
4
VSS
1
NC
5
SDA
6
SCL
7
WP
8
VCC
/3D_FPGA_RESET
0
R121
READY
L/R_DETECT
0
R178
READY
USB_OCP
USB_EN
0
R179
READY
0
R180
READY
0
R186
READY
0
R187
READY
0
R185
0
R184
ERROR_DET
0
R77
LGE3556CP (C0 3D PIP)
IC100
GPIO_00
N26
GPIO_01
L26
GPIO_02
N25
GPIO_03
L25
GPIO_04
K27
GPIO_05
K28
GPIO_06
K24
GPIO_07
K26
GPIO_08
K25
GPIO_09
AA27
GPIO_10
AA28
GPIO_11
AA26
GPIO_12
L1
GPIO_13
L3
GPIO_14
L2
GPIO_15
Y25
GPIO_16
Y26
GPIO_17
M27
GPIO_18
AA25
GPIO_19
R25
GPIO_20
N28
GPIO_21
N27
GPIO_22
AH18
GPIO_23
P23
GPIO_24
M23
GPIO_25
AD19
GPIO_26
AE19
GPIO_27
M4
GPIO_28
M5
GPIO_29
L23
GPIO_30
Y28
GPIO_31
Y27
GPIO_32
G2
GPIO_33
G3
GPIO_34
G5
GPIO_35
G6
GPIO_36
G4
GPIO_37
L24
GPIO_38
P25
GPIO_39
L5
GPIO_40
K4
GPIO_41
K1
GPIO_42
L27
GPIO_43
M26
GPIO_44
N23
GPIO_45
R28
GPIO_46
R27
GPIO_47
R26
GPIO_48
P28
GPIO_49
P27
GPIO_50
K6
GPIO_51
K5
GPIO_52
P26
GPIO_53
M3
GPIO_54
M2
GPIO_55
M1
GPIO_56
L4
GPIO_57
L6
SGPIO_00
W27
SGPIO_01
W28
SGPIO_02
W26
SGPIO_03
W25
SGPIO_04
J 2
SGPIO_05
J 1
SGPIO_06
K3
SGPIO_07
K2
EBI_ADDR3
J 2 3
EBI_ADDR4
J 2 4
EBI_ADDR2
H25
EBI_ADDR1
H24
EBI_ADDR0
H23
EBI_ADDR5
J 2 5
EBI_ADDR6
F26
EBI_ADDR8
H28
EBI_ADDR9
J 2 6
EBI_ADDR13
H27
EBI_ADDR12
G26
EBI_ADDR11
J 2 7
EBI_ADDR10
J 2 8
EBI_ADDR7
F27
EBI_TAB
G24
EBI_WE1B
H26
EBI_CLK_IN
G27
EBI_CLK_OUT
G28
EBI_RWB
K23
EBI_CS0B
G25
NAND_DATA0
U24
NAND_DATA1
T26
NAND_DATA2
T27
NAND_DATA3
U26
NAND_DATA4
U27
NAND_DATA5
V26
NAND_DATA6
V27
NAND_DATA7
V28
NAND_CS0B
T24
NAND_ALE
R23
NAND_REB
T23
NAND_CLE
T25
NAND_WEB
R24
NAND_RBB
U25
SF_MISO
W24
SF_MOSI
U23
SF_SCK
V23
SF_CSB
V24
E_TDO
0
R103
FPGA_D/L
0
R161
E_TCK
0
R107
0
R112
E_TMS
E_TDI
0
R115
NAND_DATA[0]
NAND_DATA[2]
NAND_DATA[3]
NAND_DATA[4]
NAND_DATA[5]
NAND_DATA[7]
NAND_DATA[6]
NAND_DATA[6]
NAND_DATA[1]
NAND_DATA[1]
NAND_DATA[5]
NAND_DATA[2]
NAND_DATA[6]
NAND_DATA[3]
NAND_DATA[0]
NAND_DATA[7]
NAND_DATA[4]
NAND_DATA[1]
NAND_DATA[1]
NAND_DATA[5]
NAND_DATA[4]
NAND_DATA[2]
NAND_DATA[3]
NAND_DATA[6]
NAND_DATA[0]
NAND_DATA[7]
SYSTEM EEPROM
B o o t S t r a p
1 1 3
N A N D _ I O [ 0 ] : F l a s h S e l e c t ( 1 )
0 : B o o t F r o m S e r i a l F l a s h
1 : B o o t F r o m N A N D F l a s h
N A N D _ I O [ 1 ] : N A N D B l o c k 0 W r i t e ( 0 )
0 : E n a b l e B l o c k 0 W r i t e
1 : D i s a b l e B l o c k 0 W r i t e
NAND_IO[3:2] : NAND ECC (1,0)
0 0 : N o E C C
0 1 : 1 E C C B i t
1 0 : 4 E C C B i t
1 1 : 8 E C C B i t
1 0 : 4 E C C B i t
1 1 : 8 E C C B i t
N A N D _ I O [ 4 ] : C P U E n d i a n ( 0 )
0 : L i t t l e E n d i a n
1 : B i g E n d i a n
N A N D _ I O [ 6 : 5 ] : X t a l B i a s C o n t r o l ( 1 , 0 )
0 0 : 1 . 2 m A
0 1 : 1 . 8 m A
0 1 : 1 . 8 m A
1 0 : 2 . 4 m A ( R e c o m m a n d )
1 1 : 3 . 0 m A
N A N D _ I O [ 7 ] : M I P S F r e q u e n c y ( 0 )
0 : 4 0 5 M H z
1 : 3 7 8 M H z
1 : 3 7 8 M H z
N A N D _ A L E : I 2 C L e v e l ( 0 )
0 : 3 . 3 V S w i t c h i n g
1 : 5 V S w i t c h i n g
NAND_CLE
0 : E n a b l e D 2 C D I F F A C ( D n s )
1 : D i s a b l e D 2 C D I F F A C
BCM REVIEW
NAND FLASH MEMORY 4G BIT FOR BBTV
O p e n D r a i n
RESET
UART BYPASS(WIRED OR)
I S P P o r t f o r S U B M I C O M
NEC SUB MICOM
CHECK PIN!!
PIN NAME
MICOM MODEL OPTION
MODEL_OPT_0
PK50/PK90
30
8
MODEL OPTION
PK70
MODEL_OPT_3
HIGH
11
MODEL_OPT_2
MODEL_OPT_1
PK90
PK50/PK70
PIN NO.
LOW
31
NEC CONFIGURATION
F o r C I
* I2C MAP
G19
BRAZIL&AUS
MODEL_OPT_3
F7
B6
NO FRC
PIN NAME
MODEL_OPT_1
HD
PIN NO.
MODEL OPTION
MODEL_OPT_5
E18
LOW
HIGH
C5
MODEL OPTION
FHD
MODEL_OPT_2
MODEL_OPT_4
MODEL_OPT_0
FRC
D18
LCD : ERROR OUT(PANEL)
LCD : PWM_DIM
LCD_HP_DET
A8’h‘
LCD : AV_CVBS_DET
LCD : MICOM_DOWNLOAD(FLMD0)
IR_IN
IR_INT
LCD : FRC_RESET
NOT USE
NOT USE
NOT USE
XGA
EURO&AUS
**PK50 : LED_RED
PK90 : LED_RED/LED_BLUE/LED_BREADING
MODEL PWM OPTION
PK70 : LED_RED/LED_BLUE
EURO
WXGA
BRAZIL
IIC1<->2 SWAP
AUSTRALIA
MODEL_OPT_1
PDP CHASSIS OPTION
BRAZIL
1
EURO
1
0
1
MODEL_OPT_5
0
1
* I2C_1 : TUNER, NVRAM
* I2C_2 : NEC_SUBMICOM, (USB_HUB)
* I2C_3 : HDMISW, AMP, WIRELESS
* I2C_4 : MODULE
* I2C_2 : NEC_SUBMICOM, (USB_HUB)
* I2C_3 : HDMISW, AMP, WIRELESS
* I2C_4 : MODULE
0 8 / 1 0 / 2 8
BCM GPIO/NEC MICOM/FLASH/SYS EEPROM
BCM GPIO & NEC MICOM & FLASH & SYS EEPROM
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