LG 32LD320H Service Manual page 27

SELECT
CONNECTION
L B0 - A
H B1 - A
IC1402
+5V_ST
NLASB3157DFT2G
SELECT B1
6 1
ON SEMICONDUCTOR
ANALOG SWITCH
VCC GND
5 2
C1406
0.1uF
A B0
4 3
EEPROM_SCL
EAN38256201
IC1403
NLASB3157DFT2G
SELECT
6 1
ON SEMICONDUCTOR
ANALOG SWITCH
VCC
5 2
A
4 3
EEPROM_SDA
EAN38256201
EDID_WP
2SC3052
EEPROM for Micom
IC1401
M24C16-WMN6T
NC/E0 VCC
1 8
SUB_EEPROM
SUB_EEPROM
R1428
NC/E1 WC
47K
2 7
NC/E2 SCL
R1432
3 6
VSS SDA
R1431
4 5
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 © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+5V_GENERAL
C1405
1uF
50V
S6_EEPROM_SCL
CLOCK_SCL
NEC_EEPROM_SCL
CLOCK_SDA
OPT R1490
OPT R1491
R1469
0 R1408 22
HDMI_CEC
OPT R1478
OPT
R1479
OPT
OPT R1480
OPT R1481
STBY_MUTE_NTP
R1482
OPT
B1
S6_EEPROM_SDA
R1483
R1659
0
OPT R1484
R1415
STBY_MUTE_TPA
GND NEC_IR
R1423
LED_R
R1424
LED_B
B0 NEC_EEPROM_SDA
R1425
UART_SW2
OPT R1426
OPT R1485
R1486
OPT
R1470
+5V_ST
0
R1487
UART_SW1
R1488
OPT
UART_DBG_SW
OPT
R1489
R1414
DBG_SW
10K
R1411
INV_CTL
R1412
PANEL_CTL
R1413
POWER_ON/OFF1
C
R1410
SOC_RESET
Q1400 B R1409
R1461
POWER_DET
E
C1402
0.1uF
22
NEC_EEPROM_SCL
SUB_EEPROM
22
NEC_EEPROM_SDA
SUB_EEPROM
+5V_ST
+5V_ST
JTP-1127WEM
2
X1400
C1411
10MHz
2.2uF
4
10V
+5V_ST
R1422
100K
R1404
22
P60/SCL0
1
R1405 22 P61/SDA0
2
22 P62
3
22 P63
4
P31/TI03/TO03/INTP4
5
22 P64/RD
6
22 P65/WR0
7
22 P66/WR1
8 IC1400
22 P67/ASTB
9
22 P77/EX23/KR7/INTP11
10
UPD78F1164GF(S)
22 P76/EX22/KR6/INTP10
11
22 P75/EX21/KR5/INTP9
12
22 P74/EX20/KR4/INTP8
13
22 P73/EX19/KR3
14
22 P72/EX18/KR2
15
22 P71/EX17/KR1
16
22 P70/EX16/KR0
17
22 P06/WAIT
18
22 P05/CLKOUT
19
EVSS1
20
22 P80/EX0
21
22 P81/EX1
22
22 P82/EX2
23
22 OPT P83/EX3
24
22 OPT P84/EX4
25
22 P85/EX5
26
22 P86/EX6
27
10K P87/EX7
28
0 P30/INTP3/RTC1HZ
29
EVDD1
30
+5V_ST
R1494
4.7K
+5V_ST
R1402 R1403
4.7K
4.7K
SW1400
1 NEC_EEPROM_SDA
NEC_EEPROM_SCL
R1427 22
3
NEC_DBG_RX
R1429 22
NEC_DBG_TX
BUZZ_PWM
+5V_ST
L1400
BLM18PG121SN1D
Q1408
Q1409
E E
2SA1504S 2SA1504S
B B
B
C C
P140/PCLBUZ0/INTP6
80
P141/PCLBUZ1/INTP7
79
P142/SCK20/SCL20
78
P143/SI20/RXD2/SDA20
77
P144/SO20/TXD2
76
P145/TI07/TO07
75
P00/TI00
74
P01/TO00
73
P02/SO10/TXD1
72
P03/SI10/RXD1/SDA10
71
P04/SCK10/SCL10
70
P131/TI06/TO06
69
P130
68
P20/ANI0
67
P21/ANI1
66
P22/ANI2
65
I1
P23/ANI3
64
P24/ANI4
63
P25/ANI5
62 I2
P26/ANI6
61
P27/ANI7
60
I3
P150/ANI8
59
P151/ANI9
58
P152/ANI10
57 I4
P153/ANI11
56
P154/ANI12
55
I5
P155/ANI13
54
R1462
0
P156/ANI14
53
KEY1
P157/ANI15
52 I6
KEY2
AVSS
51 R1463
0
I7
GND
+3.3V
Q1401
BSS83
R1493
4.7K
R1495
MST_NEC_TX
0
OPT
EAX62121501
NEC SUBMICOM
+5V_ST
IC1405
74LX1G14CTR
NC VCC
1 5
C1408 BU1400
1A 0.1uF PKLCS1212E4001-R1
2
16V
GND 1Y
3 4 1
2
Q1406 Q1410 Q1407
E
E E
2SA1504S
2SA1504S 2SA1504S
B 13
B
C
C C
12
11
10
9
8
7
IC1404
KID65003AF
6
R1456
O1
10
1 16
5
R1454
O2
10
2 15
4
R1450
O3 10
3 14
3
R1452
O4
10
4 13
2
R1453
O5
10
5 12
1
R1451
O6
10
6 11
R1455
12507WS-12L
O7
10
7 10
P1400
+5V_ST
COMMON
8 9
+5V_ST
P1401
12507WS-06L
R1464
R1460 1
4.7K 4.7K
2
MICOM_RESET
R1457
22
3
TOOL0
4
R1458
22
5
TOOL1
R1459
22
6
FLMD0
7
2010.03.10
12 12
LGE Internal Use Only