Read LG 22LQ630H (CHASSIS:LA1EX) Service Manual online
10K
R1745
4.7K
R1601
bLAN_POWER_MANAGE
011:AF8;011:AG4
1K
R1690
L1602
100
R1810
RESET_high
0 1 0 : E 2 3
0 . 1 u F
16V
16V
OPT
C2602
100
R1650
FRAM_SCL_5V
10
R1705
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
10uF
6.3V
C1619
4.7K
R1621
+12V_C
4.7K
OPT
R1661
+3.5V_ST_PTC
RJ12_MPI_DIN
011:AB21
+5V_ST
100
R1624
10K
R2608
+3.5V_ST_PTC
JP1613
100K
R1664
SPI_DOUT
011:N17
P_CH_UP
014:W25
+3.5V_ST_PTC
3.6V
D1612
4.7K
R1730
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
RJ12_MPI_DOUT
011:AA18
+3.5V_ST_PTC
4.7K
OPT
R2602
P_ON_OFF
014:V20
FRAM_SDA_3.5V
10uF
6.3V
C2600
100
R1742
B-LAN
ADMC5M03200L_AMODIODE
5.6V
D1604
Update_SW
0 1 0 : E 1 5
+3.5V_ST
100
R1729
SKHMPWE010
SW502
1
2
4
3
5
+5V_ST
1uF
C1616
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
10K
R1748
4.7K
R1700
330
R1707
4.7K
R1807
10K
R1614
0 . 1 u F
C1629
B-LAN
Pillow_POWER_MANAGE
016:AF17;014:AD9;014:AD6
10K
R1812
BSS83
Q2601
S
B
D
G
SEL_PILLOW_1
014:N7
P_CH_DN_1 016:R13
4.7K
R1619
PILLOW_MUTE
001:AL22;009:U20;014:AA23
2SC3875S(ALY)
Q1785
E
B
C
2SC3875S(ALY)
Q1604
E
B
C
47pF
50V
50V
C1626
B-LAN
+5V_ST
4.7K
R1623
OPT
ZD2600
2SC3875S(ALY)
Q1611
E
B
C
+3.5V_ST_PTC
0 . 1 u F
C1621
3
3
0
R1607
OPT
FRAM_SDA_5V
MISO_1
0 . 1 u F
50V
50V
C1650
P_CH_DN
014:U17
UART_SWA
010:O12
MPI_DOUT
0 1 1 : L 1 7
4.7K
OPT
R1765
47K
R1625
+3.5V_ST_PTC
330
R1727
2 . 2 u F
10V
10V
C1601
FRAM_SCL_3.5V
4.7K
R1751
B-LAN
UART_SWB
010:O21
100
R1811
MISO_0
100
R6101
2SC3875S(ALY)
Q1602
E
B
C
2200pF
C1618
0.1uF
C1611
SKHMPWE010
SW501
1
2
4
3
5
+3.5V_ST_PTC
JP1612
3.6V
D1610
330
R1680
+3.5V_ST_PTC
330 R1701
FRAM_SCL_3.5V
100
R1732
100
R1756
B-LAN
0
R1824
S/T_SDA
SPI_CLOCK
011:N16
2SC3875S(ALY)
Q1607
E
B
C
4.7K
R1723
4.7K
R1746
100
R1604
+3.5V_ST_PTC
1K
R1687
100
R6100
100
R1658
100
R1657
+3.5V_ST_PTC
2SC3875S(ALY)
Q1606
B-LAN
E
B
C
330
R1633
+3.5V_ST_PTC
100
R1637
+3.5V_ST_PTC
100K
R1759
OPT
470
R1703
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
100
R1754
B-LAN
0
R1663
P_ON_OFF_1
016:H18
BLM18PG121SN1D
L1785
3.6V
ZD1601
100
R1762
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.
LD503
0
R1694
0 . 1 u F
50V
C1622
+3.5V_ST_PTC
UART3_TX
2SC3875S(ALY)
Q1610
B-LAN
E
B
C
+3.5V_ST_PTC
FRAM_SDA_3.5V
0 . 1 u F
C6101
0 . 0 1 u F
C1630
0 . 1 u F
16V
16V
OPT
C2601
OPT
ZD2601
AMP_RESET
001:AE9;038:M22
+5V_ST
100
R1744
B-LAN
100
R1758
B-LAN
330
R1814
3.6V
ZD1600
4.7K
R1753
B-LAN
RJ12_IR_MPI_MODEM
011:AE16
100
R1733
B-LAN
P_CH_UP_1
016:R12
10K
R1755
ADMC5M03200L_AMODIODE
5.6V
D1603
SEL_PILLOW_0
0 1 4 : F 7
2 . 2 u F
10V
C1600
UART3_TX
100
R1761
100
R1711
330
R1632
YFDW254-14S
P1601
PTC_DEBUG_WAFER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
47K
R1616
MISO_1
470K
R1735
2SA1504S
Q1603
E
B
C
4.7K
R1747
B-LAN
0 . 1 u F
C1627
B-LAN
47pF
50V
50V
C1625
4.7K
R1618
+3.5V_ST_PTC
LED_B/LG_LOGO
001:AB15;006:O22
1K
R1734
SPI_DIN
011:N16
10K
R1724
2SC3875S(ALY)
Q1608
B-LAN
E
B
C
MISO_0
100
R1649
L1603
OPT
+5V_ST
0 . 4 7 u F
C1620
4.7K
R1820
100
R1741
B-LAN
1K
R2610
100
R1651
100
R1757
B-LAN
4.7K
OPT
R1764
4.7K
OPT
R1660
4.7K
R2601
0
R2614
B-LAN
100K
R1738
2SC3875S(ALY)
Q1609
E
B
C
0
R2609
B-LAN
10K
R1831
BLM18PG121SN1D
L1605
+3.5V_ST_PTC
330
R1681
2SC3875S(ALY)
Q1615
E
B
C
2SC3875S(ALY)
Q1605
E
B
C
POWER_DET
001:AL24;004:AN28;038:C10
4.7K
R1740
B-LAN
100
R2612
100
R1634
+3.5V_ST_PTC
+3.5V_ST
4.7K
R1615
10uF
25V
25V
C1640
UART3_RX
+3.5V_ST_PTC
+3.5V_ST_PTC
+3.5V_ST_PTC
KEY2
001:AB14;006:D24
0
R1697
P_ON_OFF_1 016:R13
100
R2611
0
R1698
100K
R1739
100
R1763
+3.5V_ST_PTC
LD502
FRAM_SCL_5V
10K
R6104
0
R1752
B-LAN
Pillow_POWER_MANAGE
0 1 6 : J 1 4 ; 0 1 4 : A D 9 ; 0 1 4 : A D 6
1N4148W
100V
D1785
SOC_RESET
PTC_WOL
S/T_SCL
+5V_ST
100
R1659
47pF
50V
50V
C1628
B-LAN
0
R2613
B-LAN
470
R1704
RL_ON
001:AL23;004:AC4
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
IR
0 0 2 : Q 3 ; 0 0 6 : F 2 1
0.1uF
C1613
100
R1643
4.7K
R2600
THERMAL
SC632ULTRT
IC1600
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
4.7K
R1699
UART3_RX
10K
R6103
P_CH_UP_1
016:A17
+3.5V_ST_PTC
POWER_ON/OFF1
0 0 1 : A L 2 3 ; 0 0 4 : A J 1 8
32.768KHz
X1600
100
R1712
0 . 1 u F
C1786
PTC_RX_5V
010:K23
SAM2333
LD501
A2[RD]
C
A1[GN]
+5V_ST
MPI_DIN
0 1 1 : L 1 8
4.7K
R1823
0
R1825
OPT
4.7K
R1736
10uF
25V
25V
C1603
0.1uF
C1612
27pF
C1609
OPT
FRAM_SDA_5V
KEY1
001:AB14;006:D25
bLAN_IR_IN_MODEM
011:N16
1K
R1813
+3.5V_ST_PTC
L1610
2N3906S-RTK
Q1612
E
B
C
470K
R1737
B-LAN
10K
R1731
B-LAN
100K
R1760
BSS83
Q2600
S
B
D
G
+3.5V_ST_PTC
+3.5V_ST_PTC
UART3_TX
0 1 0 : E 1 6 ; 0 1 0 : E 2 5 ; 0 1 6 : N 1 5 ; 0 1 6 : Y 2 5
P_CH_DN_1
016:H18
LED_R/BUZZ
006:O20
JP1611
100
R1677
+5V_ST
MC14053BDR2G
IC1785
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
3.6V
D1611
330 R1702
10K
R2607
20pF
C1610
OPT
100
R1809
P E J 0 2 7 - 0 4
JK9904
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
+3.5V_ST
+3.5V_ST
+3.5V_ST
+3.5V_ST
+3.5V_ST
10K
R1777
+3.5V_ST_PTC
12V_ON
0 0 4 : I 1 8 ; 0 1 6 : A E 1 8
10K
R1779
+12V/+15V
BLM18PG121SN1D
L1620
PTC_TX
010:E24
470
OPT
R1691
12V_ON
AV_CVBS_DET
10K
R1750
H o s p i t a l
UART SW CONTROL A
P i l l o w r e m o t e c o n t r o l
CAUTION!!
PTC
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
H o s p i t a l
PTC_UPDATE
H o s p i t a l
GND_JIG
PTC power
5 V s t a n d - b y p o w e r
H o s p i t a l
BLAN CHECK
H i g h - - > L o w
16
GND_JIG
PTC_RESET
GND_JIG
UART SW CONTROL B
BLAN CHECK
FRAM I2C
12V power
BLAN CHECK
2 0 1 1 . 1 1 . 2 3
22LQ630H-UA
LA1EX
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