LG 42LE8500 (CHASSIS:LB03E) 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.
R2801
2.2K
ISDB_DEMOD
C2823
0.1uF
16V
ISDB_DEMOD
SDA1_3.3V
X2800
25MHz
25MHz
ISDB_DEMOD
C2817
0.1uF
16V
ISDB_DEMOD
C2806
0.1uF
ISDB_DEMOD
R2802
2.2K
ISDB_DEMOD
R2800
10K
10K
1%
ISDB_DEMOD
+3.3V_DE
IF_N_EXT
FE_TS_SERIAL
FE_TS_VAL_ERR
C2810
0.1uF
0.1uF
16V
ISDB_DEMOD
C2824
0.1uF
ISDB_DEMOD
R2805
2.2K
ISDB_DEMOD
FE_TS_SYNC
R2812
2.2K
OPT
C2818
15pF
50V
15pF
50V
ISDB_DEMOD
C2802
0.1uF
ISDB_DEMOD
C2803
0.1uF
ISDB_DEMOD
C2826
0.1uF
ISDB_DEMOD
C2809
0.1uF
0.1uF
ISDB_DEMOD
DEMOD_RESET
C2805
0.1uF
ISDB_DEMOD
C2827
0.1uF
ISDB_DEMOD
FE_TS_DATA_CLK
C2814
15pF
50V
15pF
50V
ISDB_DEMOD
IF_P_EXT
R2804
2.2K
ISDB_DEMOD
C2800
0.1uF
ISDB_DEMOD
R2809
22
ISDB_DEMOD
C2816
0.1uF
16V
ISDB_DEMOD
+3.3V_DE
C2807
0.1uF
ISDB_DEMOD
R2806
1M
1M
ISDB_OPT
C2821
0.1uF
16V
ISDB_DEMOD
C2825
0.1uF
ISDB_DEMOD
C2820
0.1uF
16V
ISDB_DEMOD
IF_AGC_ISDB
C2819
0.1uF
16V
ISDB_DEMOD
C2812
0.1uF
16V
ISDB_DEMOD
+1.2V_DE
SCL1_3.3V
R2810
22
ISDB_DEMOD
R2808
22
ISDB_DEMOD
C2804
0.1uF
ISDB_DEMOD
C2813
0.1uF
16V
ISDB_DEMOD
R2803
10K
ISDB_DEMOD
C2811
0.1uF
16V
ISDB_DEMOD
C2801
0.1uF
ISDB_DEMOD
C2815
0.1uF
16V
ISDB_DEMOD
C2822
0.1uF
16V
ISDB_DEMOD
R2807
22
ISDB_DEMOD
R2811
2.2K
OPT
C2808
0.1uF
ISDB_DEMOD
R2813
22
R2814
22
IC2800
MN884433
ISDB_DEMOD
1
VSS_1
2
AVDD_S
3
AII_S
4
AIQ_S
5
AVSS_S
6
VRT_S
7
VRB_S
8
TCPO_S
9
VDDL_1
10
MSCL_S
11
MSDA_S
12
VSS_2
13
VSSH
14
PSEL
15
ZSEL
16
VDDL_2
17
ACKI
18
TCPO_T
19
IR_T
20
VRT_T
21
VRB_T
22
AVDD_T
23
AIN_T
24
AIP_T
25
AVSS_T
26
VSS_3
27
MSCL_T
28
MSDA_T
29
VDDH_1
30
GPO1
31
AGCI_T
32
AGCR_T
33
GPO0
34
VDDL_3
35
VSS_4
36
XO
37
XI
38
VDDH_2
39
GPI1
40
GPI0
41
TEST4
42
SHVPP
43
SHVDDH
44
NC_1
45
VSS_5
46
VDDL_4
47
TCK
48
TDI
49
NRST
50
TEST3
51
VSS_6
52
VDDL_5
53
TRST
54
TMS
55
CSEL0
56
CSEL1
57
TDO
58
SYNCA
59
ERRA
60
SYNCB
61
ERRB
62
VSS_7
63
VDDL_6
64
SADR_T
65
NC_2
66
SADR_S
67
HDVDDL0
68
VSS_8
69
SDA
70
SCL
71
VDDH_3
72
SADR
73
INTA
74
INTB
75
VSS_9
76
TEST1
77
TEST2
78
SCKA
79
GPI2
80
SDOA
81
PCKA
82
DENA
83
VDDH_4
84
VSS_10
85
HDVPP
86
RON
87
NC_3
88
HDVDDH
89
NC_4
90
HDVDDL1
91
VSS_11
92
VDDL_7
93
SCKB
94
TEST0
95
SDOB
96
PCKB
97
DENB
98
GPO2
99
VDDH_5
100
AGC_S
ISDB-T Demodulator
GP2_Saturn7M
Ver. 1.0
28
AMP_I2C HAVE PULL-UP
(FE_TS_SERIAL)
PANASONIC (ISDB-T)
MN884433
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.
C2905
22uF
16V
22uF
16V
ISDB_POWER
C2904
0.1uF
16V
ISDB_POWER
IC2900
SC4215ISTRT
ISDB_POWER
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
+3.3V_DE
IF_AGC
L2900
BLM18PG121SN1D
ISDB_POWER
C2902
0.1uF
16V
ISDB_POWER
R2900
0
ISDB_DEMOD
R2902
10K
ISDB_POWER
R2901
0
INT_DEMOD
IF_AGC_ISDB
+3.3V_DE
C2903
10uF
10V
10uF
10V
ISDB_POWER
R2903
5.1K
ISDB_POWER
TP2901
C2900
0.1uF
ISDB_POWER
IF_AGC_SEL
TU_IF_AGC_BCM
C2901
0.1uF
ISDB_POWER
+3.3V_NORMAL
+1.2V_DE
Demodulator
GP2_Saturn7M
Ver. 1.0
29
IF AGC SELECTION
Panasonic Demodulator Power(3.3V,1.2V)
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
Click on the first or last page to see other 42LE8500 (CHASSIS:LB03E) service manuals if exist.