LG 42LE5500 / 42LE5550 (CHASSIS:LJ03D) Service Manual ▷ View online
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
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.
Bluetooth
P1895
12507WR-10L
BCM BT MODULE
1
2
3
4
5
6
7
8
9
10
11
+3.3V_NORMAL
R1896
27
27
BCM BT MODULE
R1897
27
27
BCM BT MODULE
R1898
0
0
BCM BT MODULE
VREG_CTRL
BT_RESET
R1899
0
0
BCM BT MODULE
BT_DP
BT_DM
D1898
5.6V
CDS3C05HDMI1
BCM BT MODULE
D1899
5.6V
CDS3C05HDMI1
BCM BT MODULE
R1889
10
BCM BT MODULE
Q1801
RTR030P02
BCM BT MODULE
S
D
G
Q1800
2SC3052
BCM BT MODULE
E
B
C
BT_ON/OFF
R1887
47K
BCM BT MODULER1886
47K
BCM BT MODULE
R1888
4.7K
BCM BT MODULE
L1899
500
OPT
C1898
1uF
BCM BT MODULE
C1899
22uF
10V
10V
BCM BT MODULE
BLUETOOTH FOR BCM
43
BLUETOOTH
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.
Non_CI
2009.10.19
CI_A[0]
CI_A[1]
CI_A[2]
CI_A[3]
CI_A[4]
CI_A[5]
CI_A[6]
CI_A[7]
CI_A[8]
CI_A[9]
CI_A[10]
CI_A[11]
CI_A[12]
CI_A[13]
CI_OUTDATA[4]
CI_OUTDATA[5]
CI_OUTDATA[6]
CI_OUTDATA[7]
CI_OUTCLK
CI_OUTVALID
CI_OUTSTART
CI_OUTDATA[0]
CI_OUTDATA[1]
CI_OUTDATA[2]
CI_OUTDATA[3]
CI_OUTCLK
/CI_WAIT
CI_MOD_RESET [GP49]
/CI_CD2 [GP38]
CI_MOD_RESET
/CI_CD1
FE_TS_DATA_CLK
FE_TS_VAL_ERR
/CI_WAIT
/CI_IREQ
[GP39]
007:H5;016:AJ3
/CI_CD1
CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID
FE_TS_SYNC
/CI_CD2
EBI_RW
007:E6
CI_5V_CTL
[GP27]
007:H7
CI_A[0-13]
EBI_WE
/CI_SEL
CI_A[14]
EBI_CS
High_Common(BCM3556)
46
DVB-CI PULL-UP (Near CI Slot)
DVB-CI PULL-DOWN (Near CI Slot)
CI POWER ENABLE CONTROL
CI CONTROL BUFFER
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.
LG5111 120Hz MINI_LVDS
GMA12
VGI_N
CLK1
GMA3
RRXB3+/RLV1P
VCC_LCM
R7507
0
NON_GIP
CLK5
R7500
0 GIP
C7508
0.1uF
50V
0.1uF
50V
MINI_LVDS
Z_OUT
VGI_N
POL
RRXB4-/RLV0N
VCOMR
GVDD_ODD_I/GSC
VCOML
OPC_EN
R7512
0
NON_GIP
LLV3N
VDD_ODD
RRXB2-
GMA18
VDD_LCM
RRXB1-
GVST_I/GSP
C7500
0.1uF
16V
0.1uF
16V
MINI_LVDS
VST
RRXA3-
R7513
0
NON_GIP
GCLK4/OPT_P
Z_OUT
C7505
0.1uF
16V
0.1uF
16V
MINI_LVDS
VGI_P
GMA6
RRXA0-
R7501
0 GIP
LLCLKN
R7506
0
NON_GIP
CLK4
CLK6
GMA15
RRXA1+
RRXB0-/RLCLKN
CLK4
VDD_ODD
GMA9
R7505
0
NON_GIP
RRXB4+/RLV0P
LLV0N
GMA16
R7515
0
NON_GIP
GMA9
H_CONV
GMA7
R7508
0 GIP
LLV4N
GMA15
VDD_EVEN
GMA18
OPT_N
CLK1
GMA6
GMA10
VCOMRFB
GMA1
RRXBCK-/RLV2N
RRXACK-/RLV4N
LLV5N
GMA13
LLV0P
RRXBCK+/RLV2P
GVST_I/GSP
CLK3
GMA4
SOE
POL
C7504
0.1uF
50V
0.1uF
50V
MINI_LVDS
C7501
10uF
16V
10uF
16V
MINI_LVDS
OPC_OUT
C7502
0.01uF
50V
0.01uF
50V
MINI_LVDS
CLK3
RRXA2-/RLV5N
SOE
R7517
0
NON_GIP
RRXB1+
GMA1
VGL
(-5V)
P7501
104060-6017
TM240Hz
1
GND
2
Z_OUT
3
CLK1
4
CLK2
5
CLK3
6
CLK4
7
CLK5
8
CLK6
9
VGI_N
10
VGI_P
11
VGH_ODD
12
VGH_EVEN
13
VSS
14
VST
15
GND
16
VCOM_FB
17
VCOM_IN
18
GND
19
VDD
20
VDD
21
HALF_VDD
22
HALF_VDD
23
GND
24
VCC
25
VCC
26
GND
27
RV0+
28
RV0-
29
RV1+
30
RV1-
31
RV2+
32
RV2-
33
RVCLK+
34
RVCLK-
35
RV3+
36
RV3-
37
RV4+
38
RV4-
39
RV5+
40
RV5-
41
GND
42
SOE
43
POL
44
VST_IN
45
H_CONV
46
OPT_N
47
GND
48
GMA18
49
GMA16
50
GMA15
51
GMA13
52
GMA12
53
GMA10
54
GMA9
55
GMA7
56
GMA6
57
GMA4
58
GMA3
59
GMA1
60
GND
61
.
VDD_EVEN
GMA3
RRXB2+
RRXA3+
RRXA4-/RLV3N
VGL_I
CLK2
R7503
0
NON_GIP
RRXA0+
LLCLKP
CLK2
VGI_P
R7509
0
NON_GIP
GMA16
LLV1P
GMA4
R7511
0 MINI_LVDS
RRXA1-
GMA12
RRXB3-/RLV1N
RRXACK+/RLV4P
RRXB0+/RLCLKP
GVDD_EVEN_I/GOE
LLV2N
R7502
0
NON_GIP
LLV1N
LLV3P
VGL_I
GMA7
RRXA4+/RLV3P
VGH_M
(+25V)
HVDD
P7500
104060-6017
TM240Hz
1
GND
2
GMA1
3
GMA3
4
GMA4
5
GMA6
6
GMA7
7
GMA9
8
GMA10
9
GMA12
10
GMA13
11
GMA15
12
GMA16
13
GMA18
14
GND
15
OPT_N
16
H_CONV
17
VST_IN
18
POL
19
SOE
20
GND
21
LV0+
22
LV0-
23
LV1+
24
LV1-
25
LV2+
26
LV2-
27
LVCLK+
28
LVCLK-
29
LV3+
30
LV3-
31
LV4+
32
LV4-
33
LV5+
34
LV5-
35
GND
36
VCC
37
VCC
38
GND
39
HALF_VDD
40
HALF_VDD
41
VDD
42
VDD
43
GND
44
VCOM_IN
45
VCOM_FB
46
GND
47
VST
48
VSS
49
VGH_EVEN
50
VGH_ODD
51
VGI_P
52
VGI_N
53
CLK6
54
CLK5
55
CLK4
56
CLK3
57
CLK2
58
CLK1
59
Z_OUT
60
GND
61
.
LLV4P
GMA13
VCOMLFB
HVDD
LLV2P
C7509
10uF
16V
10uF
16V
MINI_LVDS
R7504
0
NON_GIP
VST
C7507
0.01uF
50V
0.01uF
50V
MINI_LVDS
H_CONV
CLK5
RRXA2+/RLV5P
GMA10
LLV5P
VCC_LCM
VGL
(-5V)
R7510
0
NON_GIP
CLK6
R7516
0
NON_GIP
R7514
0
NON_GIP
VDD_LCM
VCC_LCM
R7520
510
OPT
R7521
0
0
MINI_LVDS
OPT_N
R7519
0
0
MINI_LVDS
OPT_N
VCC_LCM
R7518
510
OPT
C7503
1uF
50V
50V
MINI_LVDS
C7506
1uF
50V
50V
MINI_LVDS
35
[Right FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
[LEFT FFC Connector]
(60Pin Mini-LVDS)
(60Pin Mini-LVDS)
To reduce
Audible noise
(2012)
Audible noise
(2012)
To reduce
Audible noise
(2012)
Audible noise
(2012)
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