LG HX300G, Service Manual

Page: 12 / 74

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.
PCM_A[7]
PCM_A[6]
PCM_A[5]
PCM_A[3]
PCM_A[2]
PCM_A[1]
PCM_A[4]
PCM_A[0]
PAD_B[4]
PAD_B[3]
PAD_B[0]
PAD_B[1]
PAD_R[1]
PAD_R[0]
PAD_G[6]
PAD_G[7]
PAD_G[4]
PAD_G[5]
PAD_G[3]
PAD_G[2]
PAD_G[1]
PAD_G[0]
PAD_B[7]
PAD_B[6]
PAD_B[5]
PAD_B[2]
PAD_R[7]
PAD_R[6]
PAD_R[5]
PAD_R[4]
PAD_R[3]
PAD_R[2]
C139 0.01uF
C116 0.047uF
3.3V_MST
C121
0.047uF
SPI_CK
R146 47
HDMI_SDA
C120
0.047uF
R133
4.7K
R162
4.7K
USB_S0
USB_DAT_N
C111
0.1uF
R138
10K
R177 47
USB_DP
MSTAR_L_OUT
IC107
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R158
22
EEPROM_SDA
C109
0.1uF
IC106
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5V
R137 22
DSUB_SDA
DSUB_G
C110
0.1uF
Q100
KRC104S
E
B
C
IC105
CAT24WC08W-T
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
C136
0.1uF
R142 47
R160
4.7K
AUDIO_RIN
IC101
PI3USB14LE
3
IA3
2
S1
4
IA2
1
EN
6
IA0
5
IA1
7
YA
8
GND
9
YB
10
IB0
11
IB1
12
IB2
13
IB3
14
S0
15
NC
16
VCC
C125 0.1uF
R121
4.7K
SPI_CS
R140
10K
C118 0.047uF
C137 0.1uF
R174 22K
5V
C127 0.1uF
C114
0.047uF
3.3V_MST
R139 1K
R147
470
D100
ENKMC2838-T112
A
1
C
A
2
UART0_TXD
3.3V_MST
LGE3369A (SATURN6 NON RM)
IC108
RXACKP
F1
RXACKN
F2
RXA0P
G2
RXA0N
G3
RXA1P
H3
RXA1N
G1
RXA2P
H1
RXA2N
H2
DDCD_A_DA
A1
DDCD_A_CK
B2
HOTPLUG_A
A2
RXBCKP
C3
RXBCKN
B1
RXB0P
C1
RXB0N
C2
RXB1P
D2
RXB1N
D3
RXB2P
E3
RXB2N
D1
DDCD_B_DA
E1
DDCD_B_CK
F3
HOTPLUG_B
E2
RXCCKP
AE8
RXCCKN
AD8
RXC0P
AD9
RXC0N
AF8
RXC1P
AF9
RXC1N
AE9
RXC2P
AE10
RXC2N
AD10
DDCD_C_DA
AE7
DDCD_C_CK
AF7
HOTPLUG_C
AD7
CEC
J3
HSYNC0/SC1_ID
N2
VSYNC0/SC1_FB
N1
RIN0P/SC1_R
P2
GIN0P/SC1_G
R3
BIN0P/SC1_B
R1
SOGIN0/SC1_CVBS
P3
RINM
P1
BINM
T3
GINM
R2
HSYNC1/DSUB_HSYNC
K3
VSYNC1/DSUB_VSYNC
K2
RIN1P/DSUB_R
L1
GIN1P/DSUB_G
L3
BIN1P/DSUB_B
K1
SOGIN1
L2
RIN2P/
V1
GIN2P/
V2
BIN2P/
U1
SOGIN2
V3
VSYNC2
J5
CVBS1/SC1_CVBS
U3
CVBS2/SC2_CVBS
U2
CVBS3/SIDE_CVBS
T1
VCOM1
T2
CVBS4/S-VIDEO_Y
M1
CVBS6/S-VIDEO_C
M2
CVBS5
N3
CVBS7
M3
CVBS0/RF_CVBS
W1
VCOM0
Y3
CVBSOUT0/SC2_MNTOUT
Y2
CVBSOUT1
AA2
LVA0P
AE16
LVA0M
AD16
LVA1P
AD15
LVA1M
AF16
LVA2P
AF15
LVA2M
AE15
LVA3P
AD13
LVA3M
AF14
LVA4P
AF13
LVA4M
AE13
LVACKP
AE14
LVACKM
AD14
LVB0P
AE20
LVB0M
AD20
LVB1P
AD19
LVB1M
AF20
LVB2P
AF19
LVB2M
AE19
LVB3P
AD17
LVB3M
AF18
LVB4P
AF17
LVB4M
AE17
LVBCKP
AE18
LVBCKM
AD18
AUR0
AA3
AUL0
Y1
AUR1
AE1
AUL1
AF3
AUR2
AE3
AUL2
AE2
AUR3
AA1
AUL3
AB1
AUR4
AB2
AUL4
AC2
AUR5
AB3
AUL5
AC3
SIF0P
W3
SIF0M
W2
SPDIF_IN
F11
SPDIF_OUT
E9
AUOUTR0/HP_ROUT
AF1
AUOUTL0/HP_LOUT
AF2
AUOUTR1/SC1_ROUT
AD3
AUOUTL1/SC1_LOUT
AD1
AUOUTR2/SC2_ROUT
AC1
AUOUTL2/SC2_LOUT
AD2
I2S_OUT_MCK
A8
I2S_OUT_WS
B7
I2S_OUT_BCK
C7
I2S_OUT_SD
D8
I2S_IN_SD
C8
VCLAMP
K4
REFP
H4
REFM
J4
REXT
G4
AUCOM
AE5
AUVRM
AE4
AUVRP
AF4
AUVAG
AD4
DDC_CTL
R164
100
DSUB_R
C131 2.2uF
DDC_CTL
USB_S1
L101
R125 4.7K
AUDIO_LIN
C106
0.1uF
16V
AV_CVBS
DSUB_SCL
R126
4.7K
C135 0.01uF
R124 100
C115
1000pF
3.3V_MST
USB_DAT_P
HDMI_SDA
Flash_WP
C134 0.1uF
R166
100
R161
1K
IC104
24LC512
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R131
4.7K
R130
4.7K
UART0_RXD
R165 390
1%
Check
R159
22
R145
47
R120
4.7K
MSTAR_R_OUT
R175 22K
C117
0.1uF
3.3V_MST
C122
0.1uF
C138 0.1uF
R136 22
R144
47
USB_DM
EEPROM_SCL
R163
100
C119 0.047uF
DSUB_B
DSUB_HSYNC
R127
33
C132
2.2uF
R119
10K
3.3V_MST
3.3V_MST
DSUB_VSYNC
R123 100
R115
1K
R143 47
HDMI_SCL
C123
0.1uF
R167
100
HDMI_DET
R106
3.9K
3.3V_MST
F_RB
R102
10K
PF_WE
PF_CE0
PCM_A[0-7]
PF_ALE
AR101
22
3.3V_MST
PF_CE1
C100
0.1uF
AR100
22
3.3V_MST
PF_WP
R104 1K
IC100
HY27US08121B-TPCB
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
PRE
39
NC_23
40
NC_24
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_25
46
NC_26
47
NC_27
48
NC_28
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
R105
1K
C104 0.1uF
PF_OE
H
HDMI_RXC-
H
HDMI_RX0-
H
HDMI_RX1-
H
HDMI_RX2-
HDMI_SCL
R148 10
R149 10
R150 10
R151 10
R152 10
R154 10
R155 10
R157 10
R153 10
R156 10
PAD_B[0-7],PAD_G[0-7],PAD_R[0-7]
C113
22pF
R
1
2
9
7
5
R
1
3
2
7
5
R
1
3
4
7
5
R168
100
R169
100
USB_N
USB_P
HPD
HDMI_5V
C140
22pF
AUDIO_MASTER_CLK
MS_LRCK
C143
22pF C142
22pF C145
22pF
MS_SCK
MS_LRCH
C128
1uF
C126 10uF 10V
C103
10uF 10V
C129 4.7uF
R
1
0
0
7
5
R141 100
AR102
47
AR103
47
AR104
47
AR105
47
AR106
47
AR107
47
3.3V_MST
MS_LRCH MS_SCK
C101
0.01uF
25V
R113
12K
C102
0.01uF
25V
R114
12K
R101 1K
R103 1K
9.5~19.5V
P101
05004HR-20B01S
14 13
5
20 12 11
2
19 18 10
4 1
17
9 8 3
16
7 6
15
21
MS_LRCK
SCL_FMTr
FM_ON/OFF AUDIO_MASTER_CLK
SDA_FMTr KEY_TX
KEY_RX
3.3VST
C124
0.1uF
16V
DSUB_HSYNC
HDMI_SCL
DSUB_SDA
HDMI_5V
ST_5V
USB_5V
L_SOUND_P
AV_CVBS_DET
R_SOUND_P
AUDIO_LIN
AUDIO_RIN
AV_CVBS
DSUB_R
DSUB_B
DSUB_G
DSUB_VSYNC
DSUB_DET
H
HPD
HDMI_SDA
HDMI_RXC-
HDMI_RX0-
HP_DET
H
HDMI_RX2-
IR
H
H
HDMI_RX1-
DSUB_SCL
5V
USB_5V
3.3V_MST
R116 180
C133
0.1uF
IC102
MIC2009YM6-TR
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
USB_CTL USB_OCD
R118 100K
C130
10uF
10V
C141
0.1uF
R
1
1
1
5
1
K
R122 4.7K
C105
0.1uF
SPI_DO
SPI_DI
C147 0.047uF
R183
47
C148
0.047uF
C149
0.047uF
R185
47
R184 47
C112
33pF
IC103
W25X32VSSIGE
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
JK1
KJA-ET-0-0032
14
NC
13
CEC
5
DATA1_SHIELD
20
JACK_GND
12
CLK-
11
CLK_SHIELD
2
DATA2_SHIELD
19
HPD
18
+5V_POWER
10
CLK+
4
DATA1+
1
DATA2+
17
DDC/CEC_GND
9
DATA0-
8
DATA0_SHIELD
3
DATA2-
16
SDA
7
DATA0+
6
DATA1-
15
SCL
P103
OPT
25421WR-20
1
2
3
12
13
14
4
5
15
16
6
11
7
8
9
17
18
10
19
20
R128 4.7K
USB_N USB_P
D505
KDS184
A2
C
A1
ST_5V ST_5V
D506
KDS184
A2
C
A1
P102
OPT
25421WR-20
1
2
3
12
13
14
4
5
15
16
6
11
7
8
9
17
18
10
19
20
R108 0 R107 0
MDS62110206
GAS1
MDS62110206
GAS2
R112
0
MDS62110206
GAS4
MDS62110206
GAS3
R173 100
R170 100
R172 100
R171 100
TTL OUT
AUDIO OUT
Serial FLASH MEMORY
for BOOT
HDCP
PC EDID
DSUB
USB SWITCH
MSTAR USB
HDMI
DDP2230 USB FOR DBG
DDP2230 UART FOR CCA
CVBS
AUDIO IN
$0.76
NVRAM
1386 WON
/PF_CE0
H : Serial Flash
L : NAND Flash
/PF_CE1
H : 16 bit
L : 8 bit
NAND FLASH MEMORY
06 01 FRONT END
10.01.06 HX300-JE
Keypad / FM Tr
Close to IC
as close as possible
To FM Transmitter
S1 S0 PATH
----------------------
0 0 S6
0 1 DPP DEBUG
1 0 DPP UART(CCA)
HDMI EDID
HP OUT
When High,
USB 5V out
When Low,
current limit
TO JACK BOARD
HDMI INPUT
For EMI
(8*6*6.5T)
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only