LG 42PN4500 Service Manual page 19

Key/IR
+3.3V_ST
P501
Commercial
12507WR-06L
R515
4.7K
R518
100
1
IR
+3.3V_ST C517
10pF
50V 2
R540 R542
10K 10K R517
100
3
KEY1
R516
100
4
KEY2
C535 C534 5
0.1uF 0.1uF
16V 16V
6
R514
7
22
LED_RED
C520
10pF
50V
+3.3V_ST
C547
0.1uF
16V
NON OS
READY
IC506
+3.3V_ST MX25L6406EMI-12G
READY
R580 HOLD# SCLK
1 16
10K
READY
0.1uF VCC SI/SIO0
2 15
C557
NC_1 NC_8
3 14
NC_2 NC_7
4 13
NC_3 NC_6
5 12
NC_4 NC_5
6 11
CS# GND
7 10
/SPI_CS
SO/SIO1 WP#
8 9
SPI_SDO
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
SPI_SCK
R581
33
SPI_SDI
READY
/FLASH_WP
LVDS
+5V
+5V
D500
MMBD6100 C
B
2K
R579 E
Q500
MMBT3904(NXP)
@optio
P500
47K
104060-8017 R578
P503
TF05-51S
1
1
2
2
R519 0
3 3
UART_RXD
R520 0
4 4
UART_TXD
5
5
6
6
7
7
8
8
9
9
10
10
11
RXA0-
11
12
RXA0+
13 12
RXA1-
14 13
RXA1+
15
14
16
RXA2- 15
17
RXA2+
16
18
17
19
RXACK-
18
20
RXACK+
19
21
RXA3-
22 20
RXA3+
23 21
RXA4-
24 22
RXA4+
25
23
26
24
HD
27
RXB0-
25
28
RXB0+
26
29
RXB1-
27
30
RXB1+
28
31
32 29
RXB2-
33 30
RXB2+
34
31
35
RXBCK- 32
36
RXBCK+
33
37
RXB3-
34
38
RXB3+
35
39
RXB4-
36
40
RXB4+
37
41
42 38
43 39
44
40
RXA0-
45
41
RXA0+
46
FHD
42
RXA1-
47
43
RXA1+
48
44
49
45
50 RXA2-
46
51
RXA2+
47
52
48
RXACK-
49
RXACK+
50
RXA3-
51
RXA3+
52
RXA4-
53
RXA4+
54
55
56
RXB0-
57
RXB0+
58
RXB1-
59
RXB1+
60
61
RXB2-
62
RXB2+
63
64
RXBCK-
65
RXBCK+
66
RXB3-
67
RXB3+
68
RXB4-
69
RXB4+
70
71
72
73
74
75 P_SDA
76
DISP_EN
77
P_SCL
78
PC_SER_DATA
79
PC_SER_CLK
80
C518 C519
470pF
470pF
81
READY READY
READY
R521
0
P_SDA
PC_SER_DATA
PC_SER_CLK
P_SCL
0
R522
READY
* LCI: LVDS Connection Indicator
NAND Flash
IC504
1GBit
H27U1G8F2CTR-BC
NC_1
1
+3.3V
NC_2
2
NC_3
3
NC_4
4
NC_5
LD500 5
OS OS
R565 R568 NC_6
1K 4.7K 6
R/B
7
/F_RB
RE
8
/PF_OE
CE
9
/PF_CE0
NC_7
10
NC_8
OS
11
C550
0.1uF VCC_1
12
VSS_1
13
NC_9
14
NC_10
15
CLE
16
/PF_CE1
ALE
17
PF_ALE
WE
18
/PF_WE
WP
19
/PF_WP
NC_11
20
R556 R567 NC_12
OS
OS 3.3K 1K 21
NC_13
22
NC_14
23
NC_15
24
SERIAL FLASH
+3.3V_ST +3.3V_ST
R564 R569
10K 4.7K
READY
CS
/SPI_CS
DO[IO1]
SPI_SDO
%WP[IO2]
/FLASH_WP
OS:8MB
GND
IC505-*1
MX25L8006EM2I-12G
MX_OS
CS# VCC
1 8
SO/SIO1 HOLD#
2 7
WP# SCLK
3 6
GND SI/SIO0
4 5
NON_OS:64MB
IC505-*3
IC505-*2
MX25L6406EM2I-12G
W25Q64FVSSIG
Winbond_NON-OS MX_NON-OS CS VCC
CS VCC
1 8 1 8
DO[IO1] %HOLD[IO3] SO/SIO1 HOLD
2 7 2 7
WP[IO2] CLK WP SCLK
3 6 3 6
GND DI[IO0] GND SI/SIO0
4 5
4 5
NVRAM
OS:256KB
IC503-*1 IC503-*2
AT24C256C-SSHL-T(Cu)
M24256-BRMN6TP
ATMEL_OS A0 VCC ST_OS
1 8 E0 VCC
1 8
A1 WP
E1 WC
2 7 2 7
A2 SCL
3 6 E2 SCL
3 6
GND SDA VSS SDA
4 5 4 5
NON_OS:512KB
IC503-*3
AT24C512C-SSHD-T
ATMEL_NON-OS A0 VCC
1 8
VSS
A1 WP
2 7
A2 SCL
3 6
GND SDA
4 5
L13
Memory.LVDS,IR
+3.3V
NC_29
48
NC_28
47
NC_27
46
OS PCM_A[0-7]
NC_26 AR518
45
22
I/O7
PCM_A[7]
44
I/O6
PCM_A[6]
43
I/O5
PCM_A[5]
42
I/O4
PCM_A[4]
41
NC_25
40
NC_24
39
OS
C554
NC_23 10uF10V
38
VCC_2
37
VSS_2 OS C555
36 0.1uF
NC_22
35
NC_21
34
OS
NC_20
AR519
33
22
I/O3
PCM_A[3]
32
IC504-*1
TC58NVG0S3ETA0BBBH
I/O2
PCM_A[2] Toshiba_OS
31 NC_1 NC_29
1 48
NC_2 NC_28
2 47
NC_3 NC_27
I/O1 3 46
PCM_A[1] NC_4 NC_26
30 4 45
NC_5 I/O8
5 44
NC_6 I/O7
I/O0 6 43
PCM_A[0] RY/BY I/O6
29 7 42
RE I/O5
8 41
CE NC_25
9 40
NC_19 NC_7 NC_24
10 39
28 NC_8 NC_23
11 38
VCC_1 VCC_2
12 37
VSS_1 VSS_2
NC_18 13 36
NC_9 NC_22
27 14 35
NC_10 NC_21
15 34
CLE NC_20
NC_17 16 33
ALE I/O4
26 17 32
WE I/O3
18 31
WP I/O2
19 30
NC_16 NC_11 I/O1
20 29
25 NC_12 NC_19
21 28
NC_13 NC_18
22 27
NC_14 NC_17
23 26
NC_15 NC_16
24 25
Winbond_OS
+3.3V_ST
IC505
W25Q80BVSSIG
C556
VCC 0.1uF
1 8
HOLD[IO3]
2 7
CLK
3 6
SPI_SCK
R575
DI[IO0] 33
4 5
SPI_SDI
+3.3V
C552
0.1uF
IC503
M24512-RMN6TP
E0 VCC
1 8
E1 WC
2 7
ST_NON_OS R573
22
E2 SCL
3 6 I2C_SCL
R574
22
SDA
4 5 I2C_SDA
2012-06-01
5 7
LGE Internal Use Only