Read LG 26LQ630H (CHASSIS:LA1EY) Service Manual online
SOC_RESET
100
R1604
MISO_1
UART3_TX
0 1 0 : E 2 5 ; 0 1 0 : E 1 6 ; 0 1 6 : N 1 5 ; 0 1 6 : Y 2 5
10uF
25V
25V
C1640
Pillow_POWER_MANAGE
016:AF17;014:AD9;014:AD5
L1602
SPI_CLOCK
011:N16
100
R1634
UART_SWB
010:O21
Update_SW
0 1 0 : E 1 5
4.7K
R1615
0 . 1 u F
C1627
B-LAN
UART3_RX
100
R1742
B-LAN
+3.5V_ST_PTC
MISO_0
330
R1707
+3.5V_ST_PTC
10K
R1731
B-LAN
+5V_ST
+3.5V_ST_PTC
DC_DC_EN
0 1 6 : L 3
4.7K
R1823
0
R1716
100
R1758
B-LAN
FRAM_SCL_3.5V
4.7K
R1751
B-LAN
10K
R6104
10K
R1745
BLM18PG121SN1D
L1785
JP1612
0 . 1 u F
C1621
+3.5V_ST_PTC
S/T_SDA
10K
R1614
P_ON_OFF
014:V20
+3.5V_ST_PTC
JP1613
100
R2611
100
R1651
100
R1733
B-LAN
3.6V
D1610
0 . 1 u F
C1629
B-LAN
4.7K
OPT
R1765
0
R1688
0
R1626
P_ON_OFF_1
016:H18
+3.5V_ST_PTC
100
R1732
0.1uF
C1613
SEL_PILLOW_1
014:N7
3.6V
D1611
P_CH_UP
014:W25
4.7K
R2600
330
R1814
100K
R1738
+12V_C
100
R1763
0
R2604
FRAM_SCL_3.5V
330
R1680
+3.5V_ST
4.7K
R1699
KJA-PH-0-0177
JK9904
3
DETECT
4
L
5
GND
1
R
UART_SWA
010:O12
0
R1684
FRAM_SDA_3.5V
LD502
PTC_TX
010:E24
100K
R1760
330
R1681
0
R1752
B-LAN
+3.5V_ST_PTC
100
R1756
B-LAN
0
R2613
B-LAN
P_CH_DN_1
016:H18
330
R1632
OPT
ZD2601
330 R1701
4.7K
OPT
R2602
4.7K
R1723
KEY2
001:AB14;006:D24
+3.5V_ST_PTC
TXS0104EDR
IC1606
B-LAN
3
A2
2
A1
4
A3
1
VCCA
6
NC_1
5
A4
7
GND
8
OE
9
NC_2
10
B4
11
B3
12
B2
13
B1
14
VCCB
bLAN_IR_IN_MODEM
011:N15
PTC_WOL
FRAM_SDA_3.5V
+5V_ST
330 R1702
P_CH_DN
014:U17
+3.5V_ST_PTC
10K
R1755
0 . 1 u F
50V
50V
C1650
FRAM_SCL_5V
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.
100
R1711
4.7K
R1619
PILLOW_MUTE
001:AL22;009:U20;014:AA23
4.7K
R1746
0
R2609
B-LAN
0
R1672
FRAM_SDA_5V
100
R1741
B-LAN
POWER_ON/OFF1
0 0 1 : A L 2 3 ; 0 0 4 : A J 2 0
0
R1694
0
R1663
10
R1705
+3.5V_ST_PTC
UART3_RX
+5V_ST
LD503
100
R1649
2 . 2 u F
10V
C1600
47K
R1625
4.7K
R1700
100
R1643
THERMAL
SC632ULTRT
IC1600
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
0
R1804
0
R2606
0
R1638
10uF
6.3V
C1619
100K
R1664
10K
R1724
10K
R6103
100K
R1759
OPT
PTC_RX_5V
010:K23
100
R1677
4.7K
R1753
B-LAN
MBRA340T3G
D1601
0
R1728
B-LAN
100
R1712
100
R1757
B-LAN
4.7K
R1730
0
R1803
330
R1633
0.1uF
C1611
SEL_PILLOW_0
0 1 4 : F 7
FRAM_SDA_5V
4.7K
R1621
4.7K
OPT
R1660
+3.5V_ST_PTC
+3.5V_ST_PTC
LED_B/LG_LOGO
001:AB15;006:O22
0
R1689
MPI_DOUT
011:M17
SPI_DIN
011:N16
0 . 1 u F
C6101
+3.5V_ST_PTC
27pF
C1609
OPT
4.7K
R1736
4.7K
R1623
4.7K
OPT
R1764
bLAN_POWER_MANAGE
011:AG8;011:AG4
1K
R2610
0
R1720
RJ12_MPI_DIN
011:AB21
100
R1639
FM24C16A
IC1608
PTC_FRAM_A type
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VDD
4.7K
R2601
2 . 2 u F
10V
10V
C1601
UART3_RX
0 1 0 : K 2 3 ; 0 1 0 : N 1 4 ; 0 1 6 : N 1 4 ; 0 1 6 : Y 2 5
0
R1685
+3.5V_ST_PTC
100
R1754
B-LAN
FM24C16B
IC1608-*1
PTC_FRAM_B type
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VDD
KEY1
001:AB14;006:D25
MISO_0
330
R1727
POWER_DET
001:AL24;004:AN28;038:C10
3.6V
D1612
100
R2612
10K
R2607
100
R1810
UART3_TX
LED_R/BUZZ
0 0 1 : U 2 4 ; 0 0 6 : O 2 0
100
R1624
100
R1637
SPI_DOUT
011:N16
100
R1657
470K
R1737
B-LAN
0
R1695
+5V_ST
47pF
50V
50V
C1625
IR
0 0 2 : Q 3 ; 0 0 6 : F 2 1
4.7K
R1820
0
R2603
MSP430F5419IPZR
IC1602
I C _ m i c r o c o n t r o l l e r
1
P 6 . 4 / A 4
2
P 6 . 5 / A 5
3
P 6 . 6 / A 6
4
P 6 . 7 / A 7
5
P 7 . 4 / A 1 2
6
P 7 . 5 / A 1 3
7
P 7 . 6 / A 1 4
8
P 7 . 7 / A 1 5
9
P5.0/VREF+/VEREF+
10
P5.1/VREF-/VEREF-
11
AVCC
12
AVSS
13
P 7 . 0 / X I N
14
P7.1/XOUT
15
DVSS
16
DVCC
17
P1.0/TA0CLK/ACLK
18
P 1 . 1 / T A 0 . 0
19
P 1 . 2 / T A 0 . 1
20
P 1 . 3 / T A 0 . 2
21
P 1 . 4 / T A 0 . 3
22
P 1 . 5 / T A 0 . 4
23
P1.6/SMCLK
24
P 1 . 7
25
P2.0/TA1CLK/MCLK
26
P2.1/TA1.0
27
P2.2/TA1.1
28
P2.3/TA1.2
29
P2.4/RTCCLK
30
P2.5
31
P2.6/ACLK
32
P2.7/ADC12CLK/DMAE0
33
P3.0/UCB0STE/UCA0CLK
34
P3.1/UCB0SIMO/UCB0SDA
35
P3.2/UCB0SOMI/UCB0SCL
36
P3.3/UCB0CLK/UCA0STE
37
DVSS3
38
DVCC3
39
P3.4/UCA0TXD/UCA0SIMO
40
P3.5/UCA0RXD/UCA0SOMI
41
P3.6/UCB1STE/UCA1CLK
42
P3.7/UCB1SIMO/UCB1SDA
43
P4.0/TB0
44
P4.1/TB1
45
P4.2/TB2
46
P4.3/TB3
47
P4.4/TB4
48
P4.5/TB5
49
P4.6/TB6
50
P4.7/TBCLK/SMCLK
51
P5.4/UCB1SOMI/UCB1SCL
52
P5.5/UCB1CLK/UCA1STE
53
P5.6/UCA1TXD/UCA1SIMO
54
P5.7/UCA1RXD/UCA1SOMI
55
P7.2/TBOUTH/SVMOUT
56
P 7 . 3 / T A 1 . 2
57
P 8 . 0 / T A 0 . 0
58
P 8 . 1 / T A 0 . 1
59
P 8 . 2 / T A 0 . 2
60
P 8 . 3 / T A 0 . 3
61
P 8 . 4 / T A 0 . 4
62
VCORE
63
DVSS2
64
DVCC2
65
P 8 . 5 / T A 1 . 0
66
P 8 . 6 / T A 1 . 1
67
P 8 . 7
68
P9.0/UCB2STE/UCA2CLK
69
P9.1/UCB2SIMO/UCB2SDA
70
P9.2/UCB2SOMI/UCB2SCL
71
P9.3/UCB2CLK/UCA2STE
72
P9.4/UCA2TXD/UCA2SIMO
73
P9.5/UCA2RXDUCA2SOMI
74
P 9 . 6
75
P 9 . 7
76
P10.0/UCB3STE/UCA3CLK
77
P10.1/UCB3SIMO/UCB3SDA
78
P10.2/UCB3SOMI/UCB3SCL
79
P10.3/UCB3CLK/UCA3STE
80
P10.4/UCA3TXD/UCA3SIMO
81
P10.5/UCA3RXDUCA3SOMI
82
P10.6
83
P10.7
84
P11.0/ACLK
85
P11.1/MCLK
86
P11.2/SMCLK
87
DVCC4
88
DVSS4
89
P5.2/XT2IN
90
P5.3/XT2OUT
91
TEST/SBWTCK
92
PJ.0/TDO
93
PJ.1/TDI/TCLK
94
PJ.2/TMS
95
PJ.3/TCK
96
RST/NMI/SBWTDIO
97
P6.0/A0
98
P6.1/A1
99
P6.2/A2
100
P6.3/A3
+3.5V_ST_PTC
100
R1729
+3.5V_ST_PTC
+3.5V_ST_PTC
470
R1704
AMP_RESET
001:AE9;038:M22
0
R1822
4.7K
R1618
JP1611
100
R1811
100
R1761
0
R1800
+3.5V_ST
0
R1697
0
R1670
0 . 1 u F
C1786
RL_ON
001:AL23;004:A28
100
R1658
0
R1691
4.7K
R1747
B-LAN
100
R1650
10K
R1748
100
R6101
4.7K
R1807
10uF
6.3V
C2600
10uF
25V
25V
C1603
+3.5V_ST_PTC
+3.5V_ST_PTC
S/T_SCL
0
R1676
100K
R1739
10K
R2608
+12V_ST
+3.5V_ST_PTC
0 . 1 u F
50V
C1622
MISO_1
3
3
0
R1607
4.7K
OPT
R1661
+3.5V_ST_PTC
FRAM_SCL_5V
1K
R1734
OPT
ZD2600
+3.5V_ST_PTC
RJ12_IR_MPI_MODEM
011:AE16
100
R1762
1N4148W
100V
D1785
0
R2605
0
R2614
B-LAN
10K
R1812
+3.5V_ST_PTC
470K
R1735
0
R1719
4.7K
R1601
+3.5V_ST_PTC
UART3_TX
20pF
C1610
OPT
100
R6100
3.6V
ZD1601
RJ12_MPI_DOUT
011:AB18
L1610
10K
R1831
0.1uF
C1612
3.6V
ZD1600
1K
R1687
YFDW254-14S
P1601
PTC_DEBUG_WAFER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pillow_POWER_MANAGE
0 1 6 : J 1 4 ; 0 1 4 : A D 9 ; 0 1 4 : A D 5
+3.5V_ST_PTC
RESET_high
0 1 0 : E 2 3
+3.5V_ST_PTC
+5V_ST
+3.5V_ST_PTC
MBRA340T3G
D1600
+3.5V_ST_PTC
0
R1636
1K
R1690
L1603
OPT
470
R1703
100
R1659
BLM18PG121SN1D
L1605
0
R1698
+5V_ST
+3.5V_ST_PTC
+5V_ST
100
R1809
32.768KHz
X1600
P_CH_UP_1
016:A17
+12V/+15V
+3.5V_ST_PTC
+5V_ST
0
R1824
0
R1825
OPT
ADMC5M03200L_AMODIODE
5.6V
D1604
ADMC5M03200L_AMODIODE
5.6V
D1603
47K
R1616
330
R1721
100
R1744
B-LAN
1K
R1813
MPI_DIN
011:M17
P_CH_DN_1 016:R13
P_ON_OFF_1 016:R13
P_CH_UP_1
016:R12
4.7K
R1740
B-LAN
1uF
16V
16V
OPT
C1614
18K
1%
R1605
1uF
10V
10V
C1606
1200pF
50V
50V
C1607
100K
1%
R1602
THERMAL
TPS61087DRC
IC1601
3
EN
2
FB
4
AGND
1
COMP
5
PGND
6
SW_1
7
SW_2
8
IN
9
FREQ
10
SS
11
[EP]AGND
SMAB34
40V
D1602
100pF
50V
50V
OPT
C1608
C1608
3.6uH
L1600
0 . 1 u F
16V
16V
C1605
10uF
10V
10V
C1604
75K
R1600
22uF
16V
16V
C1615
+12V_ST
56K
1%
R1603
0 . 1 u F
16V
OPT
16V
OPT
C1602
+3.5V_ST
47pF
50V
50V
C1626
B-LAN
47pF
50V
50V
C1628
B-LAN
0 . 0 1 u F
C1630
0 . 1 u F
16V
16V
OPT
C2601
0 . 1 u F
16V
16V
OPT
C2602
1uF
C1616
2200pF
C1618
0 . 4 7 u F
C1620
G
R
LTST-C155KGJRKT
LD501
1
2
3
4
DC_DC_EN
BSS83
Q2601
S
B
D
G
BSS83
Q2600
S
B
D
G
SKHMPWE010
SW502
1
2
4
3
5
SKHMPWE010
SW501
1
2
4
3
5
HEF4053B
IC1785
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
2SA1504S
Q1603
E
B
C
2SC3875S(ALY)
Q1605
E
B
C
2SC3875S(ALY)
Q1602
E
B
C
2SC3875S(ALY)
Q1611
E
B
C
2SC3875S(ALY)
Q1615
E
B
C
2SC3875S(ALY)
Q1608
B-LAN
E
B
C
2SC3875S(ALY)
Q1610
B-LAN
E
B
C
2SC3875S(ALY)
Q1609
E
B
C
2SC3875S(ALY)
Q1785
E
B
C
2SC3875S(ALY)
Q1607
E
B
C
2SC3875S(ALY)
Q1606
B-LAN
E
B
C
2SC3875S(ALY)
Q1604
E
B
C
2N3906S-RTK
Q1612
E
B
C
10K
R1750
AV_CVBS_DET
FRAM I2C
GND_JIG
PTC_RESET
BLAN CHECK
12V power
GND_JIG
UART SW CONTROL B
BLAN CHECK
GND_JIG
UART SW CONTROL A
BLAN CHECK
H o s p i t a l
16
PTC_UPDATE
1 2 V s t a n d - b y p o w e r
5 V s t a n d - b y p o w e r
H o s p i t a l
RxD -->L
H o s p i t a l
PTC
H o s p i t a l
P i l l o w r e m o t e c o n t r o l
TxD--> R
PTC power
CAUTION!!
H i g h - - > L o w
b L a n j i g A c t i v e v o l t a g e c h a n g e
T o M i c r o V C C P i n s
S 6 5 0 0 ( S a t u r n 7 L R )
LA1EY
2 0 1 1 . 0 8 . 1 6
R1
R2
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