LG 22LK230, Service Manual

Page: 16 / 36

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. 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.
TXCE3+
TXCE3-
TXCLKE-
TXCE2+
TXCE2-
TXCE1+
TXCE1-
TXCE0+
TXCE0-
L605
120-ohm
AVDD_AUSDM
CVBS_VIN
B_TX0-
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,,TXCLKE-
C619 0.047uF
MAIN_SCL
VIF1
AVDD_VIF
SW601
JTP-1127WEM
DEBUG
1
2 4
3
L602
120-ohm
AVDD_VIF SPI_CZ
5V_M
C608
0.1uF
16V
AVDDP1
3.3V_M
P_16.5V
AVDD_VIF
SPI_CLK
FLASH_WP
HPDCTL
I2S_WS
ST_5V
TXCLK+
C615
0.1uF
16V
CVBS_RIN
ST_3.3V
AVDD_VIF
Q601
ISA1530AC1
3.3V_M
I2S_MCLK
MAIN_SDA
SIF1
TXCLK-
D602
KDS181
C634
4.7uF
AVDDP1
AVDD_MPLL
C607
0.1uF
16V
ST_3.3V
SPI_CZ
CVBS_LIN
G_TX1+
1.2V_VDDC_M8
R611
100
TU_AGC
AVDDP1
C601
47uF
25V
R610
100
R609
150
D603
KDS181
C606
0.1uF
16V
L601
120-ohm
SPI_DO
R622
100
AVDD_ADC
R628
1M
L603
120-ohm
C604
0.1uF
16V
SPI_DI
I2S_SCK
VDDC
L604
120-ohm
G_TX1-
SPI_DI
AVDD_AUSDM
B_TX0+
SPI_CLK
3.3V_M
I2S_SDO
SPI_DO
SIF2
C627 2.2uF
AVDD_MPLL
C628 2.2uF
AVDDP2
C611
4.7uF
10V
AVDD_ADC
AVDD_ADC
HWRESET
VDDC
VIF2
D601
KDS181
AVDDP1
INV_ON
X601
14.31818MHz
C652
0.1uF
C660
0.1uF
C658
0.1uF
C659
0.1uF
C656
0.1uF
C645 0.1uF
C644
0.1uF
C661
0.1uF
C648 0.1uF
C642 0.1uF
READY
C651
0.1uF
C641
0.1uF
C632
0.1uF
R689
1K
R690
1K
READY
R698
1K
R699
1K
READY
R607
100
R681
100
R682
100
R642 200
AVDDP1
AVDDP1
MNT_L_AMP MNT_R_AMP
R673
22
DSUB_SDA AVDDP1
PANEL_STATUS
R671
100
IR
AVDDP2
VDDC
KEY2
KEY1
HDMI_SCL HDMI_SDA POWER_SW
HWRESET
AVDD_ADC
C620
0.047uF
C610
100pF
50V
C646
0.1uF
C666
0.1uF
R691
0
READY
C602
0.01uF
50V
0.01uF
C654
50V
0.01uF
C663
50V
0.01uF
C664
50V
R608
10K
R621
100
R624
33K
R672
4.7K
R668
4.7K
R666
4.7K
R604
1K
R603
1K
R612
2K
R613
10K
3.3V_M
LED_POWER
FLASH_WP
TUNER_SDA TUNER_SCL
R615
22
R616
22
C667
0.1uF
READY
LED_KEY
C665
0.1uF
ST_3.3V
R663 4.7K
ST_3.3V
R633 68
R645
1K
R644
1K
R632
33
MUTE_LINE
100
R661
TU_SW_SIF
C650
10uF
10V
C643
10uF
10V
C649
10uF
10V
C638
10uF
10V
C614
10uF
10V
C633
10uF
C635
1uF
R665
100
R667
100
C612 27pF
C613 27pF
R684
100
C653
0.01uF
L606
600
R625
5.6K
R648
4.7K
READY
R647
100
READY
R646
22K
R643
22K
C636
0.01uF
C637
0.01uF
R693
4.7K
READY
3.3V_M
R692
4.7K
C655
1uF
10V
IC603
MX25L1606EM2I-12G
3
WP#/AGC
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
R_TX2-
R_TX2+
DSUB_SCL
R675 22
R674
4.7K
ST_3.3V
ST_3.3V
MAIN_SDA
MAIN_SCL
C662
0.1uF
16V
AUAMP_SCL
AUAMP_SDA
MUTE_LINE
R685 100
ST_3.3V
SW_RESET
R670
100
A_DIM
R669
100
P_DIM
C631
0.1uF
VDDC
100
R651
READY
100
R649
HDMI_5V_DET
R606
6.8K
TU_CTL_VIF
DDC_CTL
R614
4.7K
R617
22
3.3V_M
R655
100
R658
0
READY
R618
22
MAIN_SCL
R653
0
READY
MAIN_SDA
C603
0.1uF
16V
DDC_CTL
R602
4.7K
IC601
AT24C64D-SSHM-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC602
CAT24C08WI-GT3-H-RECV(TV)
3
A2
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VCC
PANEL_ON
MNT_VOUT_T
OLP
R687 100
OLP
R696
4.7K
R697
4.7K
3.3V_M
R695 100
R694
100
R626
100
R627 100
R650
100
TU_SW_VIF
R619
100
100
R654
100
R656
R664
100
R660
100
R631 33
R630 33
R601
0
READY
IC604
LGE7873-LF
1
RXA2N
2
RXA2P
3
AVSS_1
4
AVDD_1
5
BIN0
6
GIN0M
7
GIN0
8
SOGIN0
9
RIN0
10
VSYNC0
11
AVDD_ADC
12
CVBS0
13
VCOM0
14
CVBSOUT
15
AVSS_ADC
16
AVDD_2
17
XTAL_OUT
18
XTAL_IN
19
AVSS_2
20
AVSS_3
21
AVDD_3
22
AVDD_VIF_1
23
AVSS_VIF_1
24
VIFIP
25
VIFIM
26
SIFIM
27
SIFIP
28
AVSS_VIF_2
29
VR27
30
AVDD_VIF_2
31
TAGC
32
AVDD_4
33
LINE_IN_0L
34
LINE_IN_0R
35
LINE_IN_1L
36
LINE_IN_1R
37
AUCOM
38
AUVRM
39
AUVRP
40
AUVAG
41
AVSS_4
42
LINE_OUT_0L
43
LINE_OUT_0R
44
VDDC_1
45
GND_1
46
VDD_1
47
GPIOB[12]
48
GPIOB[11]
49
GPIOB[10]
50
GPIOB[9]
51
GPIOB[8]
52
GPIOB[3]
53
GPIOB[2]
54
GPIOB[1]
55
GPIOB[0]
56
VDD_2
57
GND_2
58
PWM3
59
PWM2
60
PWM1
61
PWM0
62
TESTPIN
63
VDD_3
64
ALE
65
RDZ
66
WRZ
67
AD[3]
68
AD[2]
69
AD[1]
70
AD[0]
71
SPI_DO
72
SPI_DI
73
SPI_CZ
74
SPI_CK
75
GPIOD[1]
76
GPIOD[0]
77
VDDC_2
78
VSS_1
79
LVB3N
80
LVB3P
81
LVBCLKN
82
LVBCLKP
83
LVB2N
84
LVB2P
85
LVB1N
86
LVB1P
87
LVB0N
88
LVB0P
89
VDD_4
90
LVA3N
91
LVA3P
92
LVACLKN
93
LVACLKP
94
LVA2N
95
LVA2P
96
LVA1N
97
LVA1P
98
LVA0N
99
LVA0P
100
GND_3
101
AVDD_5
102
DDCA_CLK 103
DDCA_DAT
104
INT
105
IRIN
106
SAR2
107
SAR1
108
SAR0
109
VDD_5
110
DDCD_SCL
111
DDCD_SDA
112
RESET
113
WAKEUP
114
AUSDO
115
AUSCK
116
AUWS
117
AUMCKO
118
VDD_6
119
VSS_2
120
VDDC_3
121
RXACN
122
RXACP
123
RXA0N
124
RXA0P
125
AVDD_6
126
RXA1N
127
RXA1P
128
HOTPLUG
C622
33pF
READY
C621
33pF
READY
C624
33pF
READY
C623
33pF
READY
C625
33pF
READY
R620
100
C640
4.7uF
10V
TU_CTL_SIF
R659
0
R662
0
R683
0
R676
0
R686
0
EAX64207701
MARIA8 128PIN
SERIAL FLASH 2M
MAIN(MARIA8)
2011/5/6
6 7
EEPROM(A0)
Seperate with IC ground
Close to IC as close as possible
RESET
10k=>6.8k,Park
HDCP EEPROM(A8)
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Closed IC
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only