LG 72LEX9S-CA (CHASSIS:LC03N) Service Manual ▷ View online
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.
CHB_CI
2009.06.18
CI_D[3]
CI_A[4]
MAIN_FE_TS_DATA[4]
MAIN_FE_TS_DATA[5]
MAIN_FE_TS_DATA[6]
NAND_DATA[3]
NAND_DATA[6]
CI_A[10]
CI_A[0]
CI_A[11]
CI_A[9]
CI_A[5]
NAND_DATA[7]
CI_OUTDATA[0]
CI_D[3]
MAIN_FE_TS_DATA[2]
CI_A[9]
CI_D[1]
CI_OUTDATA[6]
CI_OUTDATA[5]
CI_OUTDATA[1]
CI_D[4]
MAIN_FE_TS_DATA[0]
CI_A[12]
NAND_DATA[5]
CI_A[8]
NAND_DATA[0]
CI_A[10]
MAIN_FE_TS_DATA[7]
CI_A[8]
CI_A[3]
CI_A[7]
CI_A[0]
CI_A[13]
CI_A[2]
CI_D[7]
CI_A[1]
CI_D[7]
CI_D[6]
CI_A[14]
CI_A[4]
CI_D[4]
CI_D[2]
CI_A[2]
CI_A[11]
CI_OUTSTART
MAIN_FE_TS_DATA[3]
CI_D[0]
CI_D[5]
CI_D[1]
CI_A[13]
MAIN_FE_TS_DATA[1]
CI_A[7]
CI_A[3]
CI_D[2]
CI_A[5]
NAND_DATA[4]
CI_OUTDATA[3]
CI_OUTDATA[2]
NAND_DATA[2]
CI_D[0]
CI_A[6]
NAND_DATA[1]
CI_A[6]
CI_A[1]
CI_A[12]
CI_OUTVALID
CI_OUTDATA[4]
CI_OUTDATA[7]
CI_D[6]
CI_D[5]
CI_OUTCLK
CI_OUTCLK
007:H5;016:V14
NAND_WEb
007:C2;007:E5
AR1608
10K
10K
CI
AR1606
10K
10K
CI
IC1600
MC74LCX541DTR2G
CI
3
D1
2
D0
4
D2
1
OE1
6
D4
5
D3
7
D5
8
D6
9
D7
10
GND
11
O7
12
O6
13
O5
14
O4
15
O3
16
O2
17
O1
18
O0
19
OE2
20
VCC
/CI_IREQ
007:H5;016:G11
/CI_WE
016:H12
AR1604
33
CI
/CI_WE
/CI_IOIS16
[GP41]
016:AJ3
AR1607
10K
10K
CI
D3.3V
CI_A[0-13]
007:E7;016:C13
R1621
10K
CI
NAND_DATA[0-7]
C1601
0.1uF
16V
CI
/CI_IOWR
016:T12
MAIN_FE_TS_DATA[0-7]
Q1601
RSR025P03
CI
S
D
G
R1618
10K
OPT
R1601
47
CI
IC1601
74LVC245A
CI
3
A1
2
A0
4
A2
1
DIR
6
A4
5
A3
7
A5
8
A6
9
A7
10
GND
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
B0
19
OE
20
VCC
AR1613
33
CI
R1625
10K
OPT
C1603
0.1uF
CI
/CI_WAIT
007:E6;016:S10
CI_MOD_RESET [GP49]
007:G6;016:AJ2
Q1600
2SC3052
2SC3052
CI
E
B
C
AR1602
33
CI
C1606
0.1uF
16V
16V
CI
CI_A[0-14]
+5V_NORMAL
R1626
10K
OPT
/CI_CD2
007:H5;016:AJ2
[GP38]
AR1610
33
CI
AR1612
33
CI
/CI_CE1
016:G13;016:H26
/CI_VS1
016:T13
/CI_OE
016:G13
R1611
47 CI
CI_MOD_RESET
007:G6;016:S10
EBI_CS
007:E7;007:E6;016:K26
/CI_CD1
007:H6;016:S15
CI_D[0-7]
016:AG22
AR1614
33
CI
/CI_OE
MAIN_FE_TS_DATA_CLK
C1605
0.1uF
0.1uF
CI
P1600
10067972-000LF
CI
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
C1609
47uF
16V
16V
CI
/CI_INPACK
AR1615
33
CI
MAIN_FE_TS_VAL_ERR
+5V_CI_Vs
C1602
0.1uF
CI
CI_5V_CTL
[GP27]
007:H7
R1600
47
CI
NAND_ALE
007:C2;007:E6
/CI_IORD
016:H24
/CI_WAIT 007:E6;016:AJ3
R1617
10K
/CI_CE2
016:H25;016:AJ2
AR1603
33
CI
/CI_VS1
[GP26] 016:AJ3
/CI_IREQ
[GP39]
007:H5;016:AJ3
R1620
10K
OPT
EBI_RW
007:E6
R1603
10K
CI
R
1
6
1
9
2
2
K
AR1616
33
CI
/CI_IOWR
016:H25
/CI_CD1
007:H6;016:AJ3
AR1611
33
CI
NAND_REb
007:C3;007:E6
C1608
0.1uF
16V
CI
/CI_IOIS16
016:I8
/CI_IORD
016:T13
R1622
10K
/CI_CE2
016:T13;016:AJ2
/CI_CE1
R1623
10K
/CI_INPACK
016:O9
C1600
0.1uF
16V
CI
EBI_WE
007:E6
R1616
10K
CI
R1624
10K
OPT
AR1609
10K
10K
CI
AR1601
33
CI
/CI_SEL 007:H5
/CI_CE2
016:H25;016:T13
CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
/CI_CE1
016:G13;016:AJ2
EBI_CS
007:E7;007:E6;016:AL23
+5V_NORMAL
D3.3V
AR1600
33
CI
CI_D[0-7]
016:F16
MAIN_FE_TS_SYNC
C1604
0.1uF
CI
+5V_CI_Vs
D3.3V
R1602
47
CI
/CI_CD2
007:H5;016:S7
AR1605
33
CI
R1610
100
CI
R1609
100 CI
R1612
10K
OPT
R1613
10K
10K
CI
R1614
22K
CI
R1608
0
CI
R1607
100
OPT
R1606
100
OPT
R1605 0
OPT
R1604
100
OPT
C1610
0.1uF
16V
0.1uF
16V
CI
C1607
4.7uF
16V
4.7uF
16V
CI
R1615
2.2K
CI
EUROBBTV
45
DVB-CI PULL-UP (Near CI Slot)
External Demod.
DVB-CI PULL-DOWN (Near CI Slot)
CI CONTROL BUFFER
CI POWER ENABLE CONTROL
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.
09/10/xx
MOTION_REMOCON
20 100
GP2_BCM_ATSC
+3.3V_NORMAL
R1701 100 OPT
M_REMOTE_RX 9:F3;9:G4
M_REMOTE_TX
9:F3;9:G4
R1702
100
100
L1700
BLM18PG121SN1D
120-ohm
+3.3V_NORMAL
R1700 100 OPT
M_RFMODULE_RESET
9:F3;9:G4
P1700
12507WR-08L
1
2
3
4
5
6
7
8
9
DC
9:F3;9:G3
R1703
100
100
R1704
100
100
DD
9:F3;9:G3
R1706
2.7K
R1707
2.7K
DEMOD_RESET
M_RFMODULE_RESET
R1712
0
0
R1713
100
R1714
100
WIRELESS_DL_RX
WIRELESS_DL_TX
Motion Remocon Interface
Motion Remote controller
ALL M_REMOTE OPTION
U
S
B
D
O
W
N
S
T
R
E
A
M
THERMAL
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
USB
C2205
0.1uF
SCL2_3.3V
USB_DP2
+3.3V_USB
USB_DM2
+3.3V_USB
C2201
1uF
10V
1uF
10V
C2211
0.1uF
C2209
1uF
10V
USB_DP1
C2215
0.1uF
OPT
D2204
5.6V
CDS3C05HDMI1
R2212
100K OPT
C2214
4.7uF
4.7uF
R2206
100K
C2203
0.1uF
R2208
0
OPT
R2202
1M
1M
1%
C2207
0.1uF
R2205
100K
+3.3V_USB
R2213
100K OPT
/RST_HUB
C2204
0.1uF
SIDE_USB_DP
C2202
0.1uF
JK2202
KJA-UB-4-0004
1
2
3
4
5
USB_DP2
+3.3V_USB
R2209
100K
100K
OPT
R2210
100K
USB_DM1
/USB_OCD2
C2206
1uF
10V
/USB_OCD1
C2212
0.1uF
R2207
0
OPT
R2204
100K
D2202
5.6V
CDS3C05HDMI1
R2214
0
0
/USB_OCD1
USB_CTL1
USB_DM1
+3.3V_USB
+3.3V_NORMAL
R2203
100K
SDA2_3.3V
SIDE_USB_DM
L2201
BLM18PG121SN1D
D2203
5.6V
CDS3C05HDMI1
C2213
0.1uF
USB_CTL2
D2201
5.6V
CDS3C05HDMI1
R2211
100K OPT
USB_DP1
USB_DM2
USB_CTL1
R2201
12K
1/10W
1%
IC2201
USB2512A_AEZG
1
USBDN1_DM
3
USBDN2_DM
7
NC_2
9
NC_4
10
VDDA33_2
11
TEST
12
PRTPWR1
13
OCS1_N
14
VDD18
15
VDD33CR
16
PRTPWR2
17
OCS2_N
18
NC_5
19
NC_6
20
NC_7
21
NC_8
22
SDA/SMBDATA/NON_REM1
23
VDD33
24
SCL/SMBCLK/CFG_SEL0
25
HS_IND/CFG_SEL1
26
RESET_N
27
VBUS_DET
28
SUSP_IND/LOCAL_PWR/NON_REM0
29
VDDA33_3
30
USBUP_DM
31
USBUP_DP
32
XTAL2
5
VDDA33_1
8
NC_3
6
NC_1
4
USBDN2_DP
2
USBDN1_DP
33
XTAL1/CLKIN
34
VDD18PLL
35
RBIAS
36
VDD33PLL
37
VSS
X2201
24MHz
24MHz
C2208 15pF C2210 15pF
C2218
100uF
16V
C2222
0.1uF
IC2202
AP2191SG-13
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
+5V_USB
R2226
2.7K
2.7K
R2225
0
R2220
4.7K
OPT
4.7K
OPT
+3.3V_NORMAL
C2220
10uF
10V
10uF
10V
L2202
MLB-201209-0120P-N2
120-ohm
JK2201
KJA-UB-4-0004
1
2
3
4
5
R2227
0
R2223
2.7K
2.7K
C2223
0.1uF
R2221
4.7K
OPT
4.7K
OPT
L2203
MLB-201209-0120P-N2
120-ohm
IC2203
AP2191SG-13
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
C2221
10uF
10V
10uF
10V
+5V_USB
C2219
100uF
16V
+3.3V_NORMAL
/USB_OCD2
040:J6
USB_CTL2
USB2 OPTION
USB / DVR Ready
USB
40
THERMAL
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.
10.01
LEX9_AMP_WOOFER
61 100
SIGN52296
SIGN52325
SPK_Woofer-
C6123
10uF
35V
10uF
35V
R6111
4.7K
R6108
0
0
OPT
C6101
0.1uF
16V
0.1uF
C6104
16V
R
6
1
0
7
1
0
0
C6108
1000pF
50V
+1.8V_AMP
R6123
0
0
R6120
4.7K
C6112
22pF
50V
22pF
50V
OPT
+24V_AMP
SPK_Woofer+
AUD_MASTER_CLK
R6110
3.3
3.3
OPT
R6101
100
C6124
1uF
25V
C6125
22000pF
50V
0.1uF
C6109
C6129
390pF
50V
POWER_DET
C6122
1uF
25V
R
6
1
1
3
1
0
0
OPT
C6103
100pF
50V
D6100
100V
1N4148W
OPT
L6103
AD-9060
15uH
2S
1S
1F
2F
+24V_AMP
SCL2_3.3V
SDA2_3.3V
L6100
BLM18PG121SN1D
R6116
12
R6105
56
AUD_SCK
R6103
100
R6121
3.3
OPT
R6115
12
+1.8V_AMP
0.1uF
C6132
50V
P6100
FW25001-02(SPK 2P)
1
2
C6117
22000pF
50V
L6101
BLM18PG121SN1D
C6130
0.47uF
50V
0.01uF
C6133
50V
OPT
R6124
0
0
C6128
390pF
50V
R6119
4.7K
R6104
100
C6121
22000pF
50V
C6120
1uF
25V
AMP_MUTE1
C6107
33pF
50V
33pF
50V
C6111
22pF
50V
22pF
50V
OPT
R6106
3.3K
C6110
33pF
50V
33pF
50V
0.1uF
C6116
16V
R6118
12
C6100
10uF
10V
OPT
R6109
100
+1.8V_AMP
AUD_LRCH
C6106
100pF
100pF
D6101
100V
1N4148W
OPT
C6102
10uF
10V
OPT
+3.3V_NORMAL
SPK_Woofer-
R6112
4.7K
C6113
10uF
10uF
10V
OPT
R6100
100
C6127
0.01uF
50V
0.01uF
50V
OPT
L6102
BLM18PG121SN1D
C6119
1000pF
50V
1000pF
50V
C6105
1000pF
50V
0.1uF
C6118
50V
R6122
3.3
OPT
SPK_Woofer+
C6115
22pF
50V
22pF
50V
OPT
C6114
1uF
25V
R
6
1
1
4
1
0
0
OPT
C6126
22000pF
50V
0.1uF
C6131
50V
R6117
12
AMP_RESET_N
0.01uF
C6134
50V
OPT
R6102
100
AUD_LRCK
IC6100
NTP-7100
EAN60969603
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
Woofer AMP.
Development Item(Slim Depth)
Woofer
Click on the first or last page to see other 72LEX9S-CA (CHASSIS:LC03N) service manuals if exist.