LG 22LD310, Service Manual

Page: 19 / 33

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-
TXCE0-
TXCE1-
TXCE3+
TXCE1+
TXCE2-
TXCE2+
TXCE0+
TXCLKE-
L605
120-ohm
AVDD_AUSDM
R_TX2-
CVBS_VIN
B_TX0-
TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,,TXCLKE-
C619 0.047uF
MAIN_SCL
VIF1
AVDD_VIF
P_24V_SMALL_15V
R602
4.7K
MULTI_PW_SW
SW601
JTP-1127WEM
1
2 4
3
L602
120-ohm
IC602
CAT24WC08W-T
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
AVDD_VIF
Q603
RT1C3904-T112
26_32inch
E
B
C
MAIN_SDA
SPI_CZ
5V_M
C608
0.1uF
16V
AVDDP1
3.3V_M
P_12V_SMALL_15V
C603
0.1uF
16V
AVDD_VIF
SPI_CLK
FLASH_WP
HPDCTL
I2S_WS
ST_5V
Q602
RT1C3904-T112
E
B
C
TXCLK+
C615
0.1uF
16V
CVBS_RIN
R601
0
READY
MAIN_SDA
ST_3.3V
AVDD_VIF
R620
100
MNT_VOUT_T
Q601
ISA1530AC1
3.3V_M
3.3V_M
I2S_MCLK
MAIN_SDA
SIF1
TXCLK-
D602
KDS181
C634
4.7uF
AVDDP1
MAIN_SCL
AVDD_MPLL
C626
2.2uF
C607
0.1uF
16V
R605
0
ST_3.3V
SPI_CZ
AVDDP1
CVBS_LIN
G_TX1+
C625 2.2uF
1.2V_VDDC_M8
R611
100
TU_AGC
AVDDP1
C601
47uF
25V
R610
100
R609
150
D603
KDS181
C606
0.1uF
16V
C605
2.2uF
16V
READY
L601
120-ohm
SPI_DO
R622
100
AVDD_ADC
RL_ON
R627
0
26_32inch
IC601
AT24C64AN-10SU-2.7
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R628
1M
L603
120-ohm
C604
0.1uF
16V
SPI_DI
I2S_SCK
VDDC
L604
120-ohm
G_TX1-
COMP_L
ST_5V
R_TX2+
SPI_DI
AVDD_AUSDM
B_TX0+
SPI_CLK
3.3V_M
I2S_SDO
SPI_DO
SIF2
IC603
MX25L1605AM2C-15G
3
WP#
2
SO
4
GND
1
CS#
5
SI
6
SCLK
7
HOLD#
8
VCC
COMP_R
MAIN_SCL
C627 2.2uF
AVDD_MPLL
C628
2.2uF
AVDDP2
C611
4.7uF
10V
AVDD_ADC
AVDD_ADC
HWRESET
VDDC
VIF2
C640
4.7uF
6.3V
D601
KDS181
AVDDP1
C609
4.7uF
10V
READY
PANEL_ON
DISP_EN
AUAMP_SCL
AUAMP_SDA
X601
14.31818MHz
C652 0.1uF
C657
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
C651 0.1uF
C641 0.1uF
C632
0.1uF
C631
0.1uF
R689
1K
R690
1K
READY
R698
1K
R699
1K
READY
R607
100
R681 100
R682 100
R642 200
E_DIM
R669
100
R670
100
I_DIM
VDDC
TU_CTL_VIF
R650
0
AVDDP1 AVDDP1
VDDC
MNT_L_AMP MNT_R_AMP
R673
22
DSUB_SDA
R675
22
DSUB_SCL
AVDDP1
PANEL_STATUS
R671
100
IR
AVDDP2
VDDC
ST_3.3V
KEY2 KEY1
HDMI_SCL HDMI_SDA POWER_SW HWRESET
COMP_PB
C621 0.047uF
C623
1000pF
C622 0.047uF
COMP_Y
C624 0.047uF
COMP_PR
AVDD_ADC
R631 47
READY
C617 0.047uF
READY
C616 0.047uF
READY
C618 0.047uF
READY
C620 0.047uF
C610
100pF
50V
C646 0.1uF
C666
0.1uF
R676
0
R683
0
R686
0
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
R674
4.7K
R604
1K
R603
1K
R612
2K
R613
10K
R626
33K
26_32inch
R623
10K
R619
1K
100 R651
100 R649
3.3V_M
R687
4.7K
READY
R680
4.7K R688
4.7K
R679
4.7K
READY
SW_RESET
R657
0
LED_R
HDMI_5V_DET
DDC_CTL
FLASH_WP
R677 100
R678
100
R652
0
TUNER_SDA
R654
0
TUNER_SCL
R659
100
R660
100
R615
22
R616
22
R617
22
R618
22
R696
4.7K R697
4.7K
C667
0.1uF
READY
LED_B
100
R634
100
R635
100 R664
OPC_EN
C665
0.1uF
ST_3.3V
R663 4.7K
ST_3.3V
ST_3.3V
R606
10K
19_22inch
TU_CTL_SIF
R656
0
C629 0.047uF R640 68
C630 0.047uF R641 68
R633 68
R645
1K
R644
1K
R632 33
R630 33
READY
R629
33
READY
R639 33
R637 33
R636 33
R638 0
MUTE_LINE
100
R661
DDC_CTL
R655
100
R658
0
READY
R614
4.7K
C650
10uF
10V
C643
10uF
10V
C649
10uF
10V
C638
10uF
10V
C614
10uF
10V
C633
10uF
R653
0
READY
C662
0.1uF
16V
C635
1uF
R665
100
R667
100
C612 27pF
C613 27pF
R684
100
RL_ON
3.3V_M
C647
0.01uF
C653
0.01uF
L606
600
R685 100
R625
5.6K
IC604
MARIA8(LGE7871)
1
RXA2P
2
AVSS_ADC_1
3
BIN1
4
SOGIN1
5
GIN1
6
GIN1M
7
RIN1
8
VSYNC1
9
AVDD_ADC_1
10
HSYNC0
11
BIN0
12
GIN0M
13
GIN0
14
SOGIN0
15
RIN0
16
VSYNC0
17
AVDD_ADC_2
18
CVBS3/C1
19
CVBS2/Y1
20
CVBS1/C0
21
CVBS0/Y0
22
VCOM0
23
CVBSOUT2
24
CVBSOUT
25
AVSS_ADC_2
26
AVDD_MPLL
27
XTAL_OUT
28
XTAL_IN
29
AVSS_MPLL
30
AVDD_VIF_1
31
AVDD_VIF_2
32
AVSS_VIF_1
33
VIFIP
34
VIFIM
35
SIFIM
36
SIFIP
37
AVSS_VIF_2
38
VR27
39
AVDD_VIF_3
40
TAGC
41
AVDD_AUSDM
42
LINE_IN_0L
43
LINE_IN_0R
44
LINE_IN_1L
45
LINE_IN_1R
46
LINE_IN_2L
47
LINE_IN_2R
48
AUCOM
49
AUVRM
50
AUVRP
51
AUVAG
52
AVSS
53
DAC_OUT_L
54
DAC_OUT_R
55
LINE_OUT_L
56
LINE_OUT_R
57
VDDC_1
58
GND_1
59
AVDDP_1_1
60
GPIOD10
61
GPIOD11
62
GPIOB13
63
GPIOB12
64
GPIOB11
65
GPIOB10
66
GPIOB9
67
GPIOB8
68
GPIOB3
69
GPIOB2
70
GPIOB1
71
GPIOB0
72
AVDDP_1_2
73
GND_2
74
VDDC_2
75
PWM1
76
PWM0
77
GND_3
78
AVDDP_1_3
79
GPIO_1
80
GPIO_2
81
GPIO_3
82
GPIO_4
83
GPIO_5
84
GPIO/SPI_SIO3
85
GPIO/SPI_SIO2
86
SPI_DO
87
SPI_DI
88
SPI_CZ
89
SPI_CK
90
GPIOD7
91
AUMUTE/GPIOD6
92
GPIOD5
93
GPIOD4
94
TXD1/GPIOD3
95
RXD1/GPIOD2
96
RXD0/GPIOD1
97
TXD0/GPIOD0
98
VDDC_3
99
GND_4
100
AVDDP_1_4
101
LVB3N
102
LVB3P
103
LVBCLKN
104
LVBCLKP
105
LVB2N
106
LVB2P
107
LVB1N
108
LVB1P
109
LVB0N
110
LVB0P
111
AVDDP_1_5
112
GND_5
113
LVA3N
114
LVA3P
115
LVACLKN
116
LVACLKP
117
LVA2N
118
LVA2P
119
LVA1N
120
LVA1P
121
LVA0N
122
LVA0P
123
GND_6
124
AVDDP_1_6
125
DDCA_CLK
126
DDCA_DAT
127
INT
128
IRIN
129
SAR2
130
SAR1
131
SAR0
132
AVDDP_2
133
DDCD_SCL
134
DDCD_SDA
135
RESET
136
CEC
137
WAKEUP
138
AUSD0
139
AUSCK
140
AUWS
141
AUMCKO
142
GPIOM1
143
PWM2
144
PWM3
145
AVDDP_1_7
146
GND_7
147
VDDC_4
148
RXACN
149
RXACP
150
RXA0N
151
RXA0P
152
AVDD_ADC_3
153
RXA1N
154
RXA1P
155
HOTPLUG
156
RXA2N
R648
4.7K
READY
R647
100
READY
R662
0
R606-*1
20K
26_32inch
R646
22K
R643
22K
C636
0.01uF
C637
0.01uF
MUTE_LINE
R693 4.7K
3.3V_M
ST_3.3V
R692 4.7K
READY
R639
1uF
10V
EAX61462901
MARIA8
HDCP EEPROM(A8)
SERIAL FLASH 2M
MAIN(MARIA8)
2009/08/20
6 7
EEPROM(A0)
Seperate with IC ground
Close to IC as close as possible
RESET
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only