Read LG 50PN4503-ZA / 50PN450B-ZA (CHASSIS:PD31A) Service Manual online
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.
PCM_A[0]
PCM_A[4]
PCM_A[1]
PCM_A[7]
PCM_A[2]
PCM_A[6]
PCM_A[5]
PCM_A[3]
R573
22
/PF_CE1
RXA4+
RXACK+
AR519
22
OS
RXA2-
R579
2K
R542
10K
R565
1K
OS
RXA1+
RXA4-
RXB3+
RXB2+
PC_SER_DATA
R569
4.7K
READY
/PF_CE0
PC_SER_CLK
R516
100
100
RXA2-
+3.3V
RXBCK+
R515
4.7K
Commercial
R577 4.7K
RXB4-
RXA0+
/PF_WP
P_SDA
RXB0+
SPI_SCK
RXB2-
/PF_OE
RXB1+
+3.3V_ST
+3.3V_ST
RXACK+
KEY1
RXA4-
RXB2-
RXB2+
R574
22
RXB1-
PF_ALE
+3.3V
R518
100
100
RXBCK+
RXB3-
RXA1+
RXB0-
PCM_A[0-7]
KEY2
R517
100
100
P503
TF05-51S
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
R556
3.3K
OS
RXB3-
C555
0.1uF
OS
SPI_SDO
/FLASH_WP
R514
22
I2C_SDA
+5V
RXA0-
RXA4+
IC505
W25Q80BVSSIG
Winbond_OS
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD[IO3]
8
VCC
RXA1-
C556
0.1uF
R540
10K
RXB1-
+3.3V_ST
SPI_SDI
LD500
+3.3V_ST
RXA3+
RXB4+
R575
33
P500
104060-8017
FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
/PF_WE
RXA3-
/F_RB
RXBCK-
RXB3+
/SPI_CS
RXA3+
RXA2+
RXA0-
Q500
MMBT3904(NXP)
@optio
E
B
C
+3.3V_ST
R567
1K
OS
RXA0+
+5V
IR
C517
10pF
50V
RXA2+
C552
0.1uF
RXACK-
LED_RED
DISP_EN
RXA3-
C520
10pF
50V
RXB0-
R568
4.7K
OS
R564
10K
+3.3V
RXACK-
RXA1-
RXB4+
AR518
22
OS
RXB0+
I2C_SCL
C554
10uF10V
OS
RXBCK-
RXB4-
R512 4.7K
P_SCL
R513 4.7K
C550
0.1uF
OS
RXB1+
R578
47K
D500
MMBD6100
A2
C
A1
C535
0.1uF
16V
C534
0.1uF
16V
SPI_SCK
/FLASH_WP
R581
33
33
READY
R580
10K
READY
SPI_SDO
IC506
MX25L6406EMI-12G
READY
3
NC_1
2
VCC
4
NC_2
1
HOLD#
6
NC_4
5
NC_3
7
CS#
8
SO/SIO1
9
WP#
10
GND
11
NC_5
12
NC_6
13
NC_7
14
NC_8
15
SI/SIO0
16
SCLK
SPI_SDI
/SPI_CS
+3.3V_ST
C557
0.1uF
READY
+3.3V_ST
C547
0.1uF
16V
P501
12507WR-06L
1
2
3
4
5
6
7
UART_RXD
R520
0
R519
0
UART_TXD
P_SDA
PC_SER_CLK
PC_SER_DATA
P_SCL
IC503-*2
M24256-BRMN6TP
ST_OS
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
IC503-*1
AT24C256C-SSHL-T(Cu)
ATMEL_OS
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC503-*3
AT24C512C-SSHD-T
ATMEL_NON-OS
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC503
M24512-RMN6TP
ST_NON_OS
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
IC505-*3
MX25L6406EM2I-12G
MX_NON-OS
3
WP
2
SO/SIO1
4
GND
1
CS
5
SI/SIO0
6
SCLK
7
HOLD
8
VCC
IC505-*1
MX25L8006EM2I-12G
MX_OS
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
IC505-*2
W25Q64FVSSIG
Winbond_NON-OS
3
WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
%HOLD[IO3]
8
VCC
C518
470pF
READY
470pF
READY
C519
470pF
470pF
READY
D501
20V
D503
20V
D504
20V
D505
20V
D502
20V
IC504
H27U1G8F2CTR-BC
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
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/O4
42
I/O5
43
I/O6
44
I/O7
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
R/B
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
IC504-*1
TC58NVG0S3ETA0BBBH
Toshiba_OS
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
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/O5
42
I/O6
43
I/O7
44
I/O8
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
R522
0
READY
R521
0
READY
Memory.LVDS,IR
L13
5
2012-06-01
NAND Flash
1GBit
1GBit
LVDS
Key/IR
* LCI: LVDS Connection Indicator
7
NON OS
OS:256KB
NON_OS:512KB
NVRAM
SERIAL FLASH
NON_OS:64MB
OS:8MB
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