LG 22LB4510 Service Manual page 22

+3.3V
+3.3V_ST
TOUCH KEY
TOUCH KEY
R334 R335 R302 R306
R308 R309
4.7K 4.7K
4.7K 4.7K 4.7K 4.7K
I2C_SDA
I2C_SCL
P_AMP_SDA
P_AMP_SCL
KEY_SDA
KEY_SCL
<SOC_RESET>
DISP_EN
+3.3V_ST
C300
10uF R307
10V 22
SOC_RESET
C
D400
C305
R303
MMBD6100
100K 0.1uF
OPT A2 16V
A1
SB_MUTE
AVDD_MOD
KEY1
KEY2
5V_DET_HDMI_2
+1.15V_VDDC
DDR_DATA
MODEL_OPT
KEY_SCL
KEY_SDA
DDC_SCL_1
DDC_SDA_1
AV_DET
+3.3V_ST
DDC_SDA_2
DDC_SCL_2
HPD2
<HW_OPT>
TP302
MODEL_OPT
+1.15V_VDDC
MODEL OPTION
PIN NAME LOW HIGH
MODEL_OPT_1
FHD HD
<VDDC 1.15V>
CK-_HDMI2
+1.15V_VDDC
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
<DDR 1.8V>
+1.8V_DDR +1.8V_DDR
DDR_CMD DDR_DATA
120-ohm 120-ohm
L300
L301
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+5V
C
WLED_ENABLE
R301
4.7K
B Q300
MMBT3904(NXP)
E
DM_P1
125
DP_P1
126
AVDD_MOD_4
127
SAR0/GPIO75 128
SAR1/GPIO74 129
SAR2/GPIO73 130
VDDC_3 131
VDDIO_DATA 132
GPIO54
133
DDCDD_CL
134
DDCDD_DA
135
DDCDA_CL
136
DDCDA_DA
137
MHL_DET/GPIO86
138
LGE8220(MSD8220LBM)
DDCDB_DA
139
DDCDB_CL 140
HOTPLUG_B 141
AVDD_5V_MHL 142
GND_EFUSE 143
VDDC_4 144
RXCN_D 145
RXCP_D
146
RX0N_D
147
RX0P_D
148
RX1N_D
149
RX1P_D
150
RX2N_D
151
RX2P_D 152
RXCN_B 153
RXCP_B 154
RX0N_B 155
RX0P_B 156
E-PAD
IC300
[M1L]
2.4K
R340
R346
10K
D_SUB
D_SUB
D_SUB
D_SUB
<SY-BY Power 3.3V>
AVDD_MOD
+3.3V_ST
L306
+3.3V_ST AVDD_DADC
+3.3V_ST
AVDD_AU33
L304
L305
C329
C330
0.1uF
0.1uF
16V
16V
+3.3V_ST
+3.3V_ST
AVDD_VIDEO
L308
DIMMING
C338
0.1uF
16V
BLU_CURRENT_CTL
WLED_DIM_ADJ
10V
C341
2.2uF
G_ODD[3]/LVA0-/LLV1-/EPI1-
78
RXA0-
G_ODD[2]/LVA0+/LLV1+/EPI1+
77
RXA0+
G_ODD[1]/LVA1-/LLV2-/EPI0-
76
RXA1-
G_ODD[0]/LVA1+/LLV2+/EPI0+
75
RXA1+
B_ODD[7]/LVA2-/LLV3(CLK)-
74
RXA2-
B_ODD[6]/LVA2+/LLV3(CLK)+
73
RXA2+
B_ODD[5]/LVACLK-/LLV4-
72
RXACK-
B_ODD[4]/LVACLK+/LLV4+
71
RXACK+
B_ODD[3]/LVA3-/LLV5-
70
RXA3-
B_ODD[2]/LVA3+/LLV5+
69
RXA3+
B_ODD[1]/LVA4-/LLV6-
68
B_ODD[0]/LVA4+/LLV6+
67
GPIO53/I2S_OUT_SD
66
AUD_LRCH
GPIO52/I2S_OUT_BCK
65
AUD_SCK
GPIO51/I2S_OUT_MCK
64
PC_AUDIO_DET
GPIO50/I2S_OUT_WS
63
AUD_LRCK
GPIO49/SPDIF_OUT
62
COMP_DET
GPIO47
61
5V_DET_HDMI_1
GPIO46/MHL_VBUS
60
DSUB_DET
GPIO45/I2C_SCLM/UART_RX1
59
HP_DET
GPIO44/I2C_SDAM/UART_TX1
58
HP_MUTE
VDDC_2
57
+1.15V_VDDC
VDDIO_CMD
56
DDR_CMD
AVDD_MOD_2
55
AVDD_MOD
XOUT
54
XIN
53
AVDD3P3_DMPLL
52
AVDD_DMPLL
AVDD3P3_DADC
51
AVDD_DADC
DTV_IF
VIFM 16V C324
50
0.1uF
DIF_N
C323
VIFP
49
0.1uF
DIF_P
16V
IFAGC Close to MSTAR
48
OPT
OPT
C326
LINEOUTR0 C327
47 50V
100pF
100pF
50V
+3.3V
NON_A_DEMODE
AGC 1.25V
0.1uF 100 OHM SERIAL
A_DEMODE 0ohm
C325
16V
R337
10K
100
R338
C328
0.047uF
25V
Close to MSTAR
M1L_USA
MAIN
AVDD_DMPLL
L307
C337
0.1uF
16V
R313
10K
PWM0
R314
100
PWM1
C334 27pF
50V
X300
24MHz
C333 27pF 12.08.03
22->27pF
50V
IF_AGC
2013-09-14
3 9
LGE Internal Use Only