DOWNLOAD LG 55LX6500-TD (CHASSIS:LB03R) Service Manual ↓ Size: 11.31 MB | Pages: 110 in PDF or view online for FREE

Model
55LX6500-TD (CHASSIS:LB03R)
Pages
110
Size
11.31 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lx6500-td-chassis-lb03r.pdf
Date
PREV: LG 55LX6500-SD (CHASSIS:LJ03R) Service Manual

LG 55LX6500-TD (CHASSIS:LB03R) 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.
+3.3V_TU
IF_AGC_SEL
Q2601
ISA1530AC1
E
B
C
R2604
0
INT_DEMOD
TU_SIF
R2602
0
R2623
10K
C2600
100pF
50V
R2608
10K
OPT
C2605
100pF
50V
R2621
10K
C2607
0.1uF
16V
LNA2_CTL/BOSTER_CTL
C2610
0.1uF
16V
R2606
100
Q2602
ISA1530AC1
E
B
C
R2622
4.7K
R2615
0
R2600
0
OPT
R2612
100
NIM
TU_CVBS
C2603
0.1uF
16V
+5V_TU
IF_P_EXT
C2608
0.1uF
16V
OPT
R2611
100
NIM
C2606
0.1uF
16V
C2602
0.1uF
16V
R2616
200
R2605
0
TUNER_RESET
SCL0_3.3V
+5V_TU
Q2600
2SC3052
OPT
E
B
C
SDA0_3.3V
C2604
100pF
50V
IF_AGC
R2626
82
R2601
0
C2609
10uF
10V
OPT
C2613
0.01uF
25V
R2607
100K
+1.2V_TU
+5V_TU
Q2604
2SC3052
E
B
C
+5V_TU
L2600
BLM18PG121SN1D
R2613
0
Q2605
ISA1530AC1
E
B
C
IF_N_EXT
TU_IF_N_BCM
C2601
0.1uF
16V
+3.3V_TU
R2625
470
TU_IF_P_BCM
R2619
200
R2603
0
INT_DEMOD
R2614
1K
OPT
RF_SWITCH_CTL
R2618
2.2K
C2622
0.1uF
16V
+3.3V_TU
C2626
22uF
10V
C2620
0.1uF
16V
C2625
22uF
10V
+3.3V_NORMAL
L2603
BLM18PG121SN1D
+5V_TU
C2623
0.1uF
16V
C2624
22uF
10V
C2621
0.1uF
16V
+5V_NORMAL
L2604
CIC21J501NE
R2641
510
R2632
3.9K
1/16W
5%
TU_IF_N_1
R2624
3.9K
1/16W
5%
R2642
510
OPT
R2633
2K
1/16W
5%
TU_IF_AGC_2
TU_IF_P_1
C2629
0.01uF
OPT
A3.3V
R2638
220
1/16W
5%
TU_IF_N_BCM
C2631
0.01uF
TU_IF_AGC_BCM
C2632
0.01uF
+5V_NORMAL
TU_IF_P_BCM
C2627 0.01uF
TU_IF_AGC_1
C2614
0.1uF
16V
+1.2V_TU
C2615
10uF
10V
R2627
1.2K
IC2600
AZ1117H-ADJTRE1(EH11A)
2
OUTPUT
3
INPUT
1
ADJ/GND
GND
R2628
10
C2616
0.1uF
16V
R2629
1
+3.3V_TU
C2633
0.1uF
16V
TU2600
TDTR-T055F
Taiwan/Brazil_V
14
+B3[3.3V]
13
+B2[1.2V]
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1[N]
9
SIF
8
NC(IF_TP)
3
+B[5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2[P]
19
SHIELD
TU2600-*3
TDTJ-S031D
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU2600-*4
TDTJ-S001D
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
R2643
1K
OPT
R2644
0
OPT
TU2600-*5
TDTR-T035F
Taiwan/Brazil_H
14
+B3[3.3V]
13
+B2[1.2V]
5
NC_2
12
GND
11
VIDEO
2
BST_CTL
10
NC_4
4
NC_1[RF_AGC]
1
RF_S/W_CTL
17
DIF_1[N]
9
SIF
8
NC_3
3
+B1[5V]
16
IF/AGC
7
SDAT
6
SCLT
15
RESET
18
DIF_2[P]
19
SHIELD
TU2600-*1
TDVJ-H031F
Latin_Tuner_V
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU2600-*2
TDVJ-H001F
Latin_Tuner_H
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
L2605
BLM18PG121SN1D
C2634
10uF
10V
C2635
10uF
10V
C2636
22uF
10V
C2637
0.1uF
16V
C2638
20pF
50V
TUNER_I2C_LPF
C2639
20pF
50V
TUNER_I2C_LPF
L2609
TUNER_I2C_LPF
270nH
L2610
TUNER_I2C_LPF
270nH
L2609-*1
33
NON_TUNER_I2C_LPF
L2610-*1
33
NON_TUNER_I2C_LPF
C2611
62pF
50V
TUNER_I2C_LPF
C2612
62pF
50V
TUNER_I2C_LPF
C2611-*1
18pF
50V
NON_TUNER_I2C_LPF
C2612-*1
18pF
50V
NON_TUNER_I2C_LPF
Tuner (Half Nim)
GP2_BCM
Ver. 1.0
28
CAN H-NIM/NIM TUNER for TAIWAN
close to TUNER
OPTION : RF AGC
close to TUNER
60mA
200mA
IF AGC FILTER
IF FILTER OPTION
CAUTION : Closed BCM IC(IC100)
R2
R1
V_OUT=V_REF(1+R2/R1)
For ESD
close to TUNER
close to TUNER
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.
R2801
2.2K
ISDB_DEMOD
C2823
0.1uF
16V
ISDB_DEMOD
SDA1_3.3V
X2800
25MHz
ISDB_DEMOD
C2817
0.1uF
16V
ISDB_DEMOD
C2806
0.1uF
ISDB_DEMOD
R2802
2.2K
ISDB_DEMOD
R2800
10K
1%
ISDB_DEMOD
+3.3V_DE
IF_N_EXT
FE_TS_SERIAL
FE_TS_VAL_ERR
C2810
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
ISDB_DEMOD
C2802
0.1uF
ISDB_DEMOD
C2803
0.1uF
ISDB_DEMOD
C2826
0.1uF
ISDB_DEMOD
C2809
0.1uF
ISDB_DEMOD
DEMOD_RESET
C2805
0.1uF
ISDB_DEMOD
C2827
0.1uF
ISDB_DEMOD
FE_TS_DATA_CLK
C2814
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
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
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.
C2905
22uF
16V
ISDB_POWER
C2904
0.1uF
16V
ISDB_POWER
+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
ISDB_POWER
R2903
5.1K
ISDB_SEMTECH
TP2901
C2900
0.1uF
ISDB_POWER
IF_AGC_SEL
TU_IF_AGC_BCM
C2901
0.1uF
ISDB_POWER
+3.3V_NORMAL
+1.2V_DE
R2904
10K
ISDB_BCD
R2905
10K
ISDB_SEMTECH
R2906
10K ISDB_BCD
L2901
ISDB_BCD
+5V_NORMAL
C2907
0.1uF
OPT
C2906
0.1uF
OPT
R2903-*1
10K
ISDB_BCD
IC2900
AP2132MP-2.5TRG1
ISDB_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
IC2900-*1
SC4215ISTRT
ISDB_SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
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.
USB
C2205
0.1uF
SCL2_3.3V
USB_DP2
+3.3V_USB
USB_DM2
+3.3V_USB
C2201
1uF
10V
C2211
0.1uF
C2209
1uF
10V
USB_DP1
C2215
0.1uF
OPT
D2204
5.6V
CDS3C05HDMI1
R2212
100K OPT
C2214
4.7uF
R2206
100K
C2203
0.1uF
R2208
0
OPT
R2202
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
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
/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
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
R2225
0
R2220
4.7K
OPT
+3.3V_NORMAL
C2220
10uF
10V
L2202
MLB-201209-0120P-N2
120-ohm
JK2201
KJA-UB-4-0004
1
2
3
4
5
R2227
0
R2223
2.7K
C2223
0.1uF
R2221
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
+5V_USB
C2219
100uF
16V
+3.3V_NORMAL
/USB_OCD2
040:J6
USB_CTL2
USB2 OPTION
USB / DVR Ready
USB
40
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