LG 47LT360C-CA / LC2EC Service Manual ▷ View online
THERMAL
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.
IF_AGC_SEL
C3737
100pF
50V
100pF
50V
C3743
20pF
50V
TU_I2C_FILTER
20pF
50V
TU_I2C_FILTER
C3739
10uF
6.3V
10uF
6.3V
OPT
DEMOD_SCL
C3730
10uF
10V
10uF
10V
FULL_NIM
R3705
0
RF_SW_OPT
C3711
18pF
50V
18pF
50V
TU_I2C_NON_FILTER
R3758
82
82
R3732
100
100
R3748
11K
11K
FULL_NIM_BCD
R3733
100K
TU_CVBS
C3708
0.1uF
16V
16V
R3771
10K
FULL_NIM_OPT
C3715
22uF
10V
22uF
10V
R3756
0
TU_NON_BUFFER
C3702
0.1uF
16V
NON_ASIA
C3729
0.1uF
16V
FULL_NIM
R3749
0
TU_BUFFER
IF_AGC_MAIN
L3704
FULL_NIM
+3.3V_TU
IF_N_MSTAR
C3727
0.1uF
16V
DEMOD_RESET
C3705
100uF
16V
16V
OPT
+3.3V_TU
IC3701
AP2132MP-2.5TRG1
FULL_NIM_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
LNA2_CTL
RF_SWITCH_CTL
R3760
0
HALF_NIM
+3.3V_TU
R3769
10K
FULL_NIM
+1.8V_TU
C3741
10uF
10V
10uF
10V
+3.3V_TU
C3716
0.1uF
16V
HALF_NIM
C3717
0.1uF
16V
+5V_Normal
DEMOD_SDA
C3710
0.1uF
16V
TUNER_RESET
R3753
4.7K
TU_BUFFER
TU_SDA
C3740
0.1uF
16V
C3707
100pF
50V
100pF
50V
TU_SIF
R3775
0
0
TU_NON_BUFFER
+3.3V_Normal
+3.3V_TU
R3761
0
HALF_NIM
+3.3V_TU
+3.3V_TU
C3713
18pF
50V
TU_I2C_NON_FILTER
18pF
50V
TU_I2C_NON_FILTER
R3750
1K
OPT
+1.8V_TU
IF_P_MSTAR
C3725
0.1uF
16V
16V
TU_SCL
C3738
0.1uF
16V
0.1uF
16V
C3701
0.1uF
16V
0.1uF
16V
+1.23V_TU
C3723
22uF
10V
22uF
10V
C3742
20pF
50V
20pF
50V
TU_I2C_FILTER
R3751
220
TU_BUFFER
R3752
220
TU_BUFFER
R3766
1
1
R3774
470
TU_BUFFER
R3747
20K
1005
FULL_NIM_BCD
R3776
10K
10K
FULL_NIM_BCD
R3785
0
ASIA
R3782
2K
2K
OPT
R3786
0
ASIA
R3783
0
NON_ASIA
C3702-*1
0
ASIA
R3784
0
NON_ASIA
IC3701-*1
TJ4220GDP-ADJ
FULL_NIM_TJ
3
VIN3
2
EN2
4
NC4
1
NC_1
5
NC_2
6
VOUT
7
ADJ/SENSE
8
GND
9
[EP]GND
R3748-*1
5.1K
5.1K
FULL_NIM_TJ
R3776-*1
0
0
FULL_NIM_TJ
R3747-*1
9.1K
9.1K
FULL_NIM_TJ
IC3703
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
L3703
CIS21J121
Q3703
MMBT3906(NXP)
TU_BUFFER
E
B
C
Q3705
MMBT3906(NXP)
TU_BUFFER
E
B
C
R3713
0
0
FULL_NIM_BCD
R3710
200
1%
OPT
R3704
100
HALF_NIM
TU3700
TDSS-G201D
TDSS-G201D
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+B2[1.8V]
6
NC_2
12
SHIELD
R3735
TU_I2C_NON_FILTER
33
R3736
TU_I2C_NON_FILTER
33
C3711-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
C3713-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
R3735-*1
TU_I2C_FILTER
R3736-*1
TU_I2C_FILTER
R3711
0
R3781
3.3
ASIA
R3780
3.3
ASIA
C3750
5pF
50V
ASIA
5pF
50V
ASIA
C3751
5pF
50V
5pF
50V
ASIA
R3740
1K
R3741
1K
1K
TU3700-*1
TDSS-G101D
TDSS-G101D
5
+3.3V
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
SIF
12
SHIELD
TUNER_NON_EU
GP4L_S7LR2
2011.10.11
14
R1
should be guarded by ground
FE_BOOSTER_CTL
380mA
R2
close to the tuner pin, add,09029
FE_AGC_SPEED_CTL
Pull-up can’t be applied
because of MODEL_OPT_2
because of MODEL_OPT_2
60mA
close to TUNER
Close to the tuner
BCD Vo=0.6*(1+R1/R2)
Add,0929
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
Size change,0929
close to TUNER
GLOBAL tuner block
TJ Vo=0.8*(1+R1/R2)
Vo=VREF*(1+R2/R1)
VREF = 1.25V
R1
R2
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.
2011/10/04
EXT SPK&SPK OUT AMP.
15
GP4L_S7LR2
AUDIO_LOUT
IC1500
AS324MTR-E1
OP_AMP_BCD
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
GND
12
IN4+
13
IN4-
14
OUT4
R1525
5.6K
EXT_SPK
R1527
470K
OPT
C1515
330pF
EXT_SPK
R1528
2.2K
EXT_SPK
C1513
33pF
EXT_SPK
IC1500-*2
LM324D
OP_AMP_ON SEMI
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
VEE/GND
12
IN4+
13
IN4-
14
OUT4
R1519
33K
EXT_SPK
R1530
220K
EXT_SPK
R1526
5.6K
EXT_SPK
C1514
33pF
EXT_SPK
AUDIO_L_OUT
AUDIO_ROUT
R1518
10K
EXT_SPK
L1501
CIS21J121
AUDIO_OUT
R1507
5.6K
AUDIO_OUT
C1516
330pF
EXT_SPK
+12V/+15V
C1500
0.01uF
50V
0.01uF
50V
AUDIO_OUT
EXT_AMP_L_IN
R1516
33K
EXT_SPK
EXT_AMP_R
R1506
5.6K
AUDIO_OUT
R1523
470K
OPT
IC1500-*1
SN324
OP_AMP_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
R1531
220K
EXT_SPK
R1524
2.2K
EXT_SPK
EXT_AMP_L
R1517
10K
EXT_SPK
EXT_AMP_R_IN
AUDIO_R_OUT
R1535
220K
AUDIO_OUT
C1518
330pF
AUDIO_OUT
C1517
330pF
AUDIO_OUT
R1534
220K
AUDIO_OUT
R1509
33K
AUDIO_OUT
R1503
470K
OPT
R1508
10K
AUDIO_OUT
R1501
2.2K
AUDIO_OUT
C1510
33pF
AUDIO_OUT
C1503
33pF
AUDIO_OUT
R1502
2.2K
AUDIO_OUT
R1500
470K
OPT
R1505
33K
AUDIO_OUT
R1504
10K
AUDIO_OUT
R1537
1K
EXT_SPK
R1543
10K
OPT
EXT_AMP_MUTE
C1523
0.1uF
0.1uF
EXT_SPK
R1547
100
EXT_SPK
R1538
0
EXT_SPK
IC1501
TPA6011A4PWPRG4
EXT_SPK
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
C1522
1uF
EXT_SPK
Q1500
MMBT3904(NXP)
EXT_SPK
E
B
C
C1520
10uF
EXT_SPK
R1536
1K
EXT_SPK
R1542
1K
EXT_SPK
+3.5V_ST
R1545
4.7K
EXT_SPK
EXT_AMP_R_IN
002:V11
C1519
10uF
EXT_SPK
R1541
3.3K
3.3K
EXT_SPK
C1521
1uF
EXT_SPK
EXT_SPK_R-
009:X24
EXT_AMP_L_IN
002:V11
R1540
1K
EXT_SPK
EXT_SPK_L-
009:X24
EXT_SPK_L+
C1524
1uF 25V
EXT_SPK_POP_1UF
R1544
100
EXT_SPK
EXT_SPK_R+
R1539
100
EXT_SPK
R1546
100
OPT
+5V_SUB_AMP
C1524-*1
100pF
50V
EXT_SPK_POP_100PF
CLOSE TO MSTAR
EXTERNAL SPK & SPK OUT AMP.
Close to AMP IC
AUDIO OUT BLOCK
EXT SPK BLOCK
Close to MSTAR
AUDIO OUT BLOCK
EXT SPK AMP.
SIDE_HP_MUTE
Close to IC
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.
AMP_SCL
D501
100V
1N4148W
OPT
R517
4.7K
0.1uF
C538
50V
+24V_AMP
C505
1000pF
50V
R520
10K
NON_LIPS
0.1uF
C519
50V
SPK_L-
SPK_L+
R502
10K
NON_LIPS
AMP_MUTE
0.1uF
C508
16V
C504
1000pF
50V
C526
22000pF
22000pF
50V
0.1uF
C501
50V
C518
22000pF
50V
R506
100
NON_LIPS
R507
3.3
3.3
OPT
0.1uF
C537
50V
+3.5V_ST
L505
10.0uH
10.0uH
+24V
R519
4.7K
D503
100V
1N4148W
OPT
0.1uF
C513
16V
L502
BLM18PG121SN1D
AUD_LRCH
AUD_LRCK
C535
0.47uF
50V
0.1uF
C521
50V
C534
1uF
25V
1uF
25V
AMP_RESET
C527
22000pF
50V
22000pF
50V
C517
22000pF
50V
D502
100V
1N4148W
OPT
L504
10.0uH
10.0uH
0.1uF
C514
16V
C509
33pF
50V
33pF
50V
SPK_R+
R518
4.7K
C510
10uF
10V
NOISE_IMPRV
C529
1uF
25V
25V
R521
10K
0.1uF
C522
50V
P501
WAFER-ANGLE
1
2
3
4
R501
10K
NON_LIPS
AMP_SDA
SPK_R-
C532
390pF
50V
AUD_SCK
+24V_AMP
L506
10.0uH
10.0uH
D504
100V
1N4148W
OPT
0.1uF
C539
50V
SPK_R-
0.1uF
C540
50V
C531
390pF
50V
AUD_MASTER_CLK
0.1uF
C502
50V
R503
100
C515
10uF
10V
10uF
10V
SPK_R+
C523
10uF
35V
10uF
35V
C507
33pF
50V
33pF
50V
C516
1000pF
50V
C503
100pF
50V
SPK_L-
R516
4.7K
+24V_AMP
C528
1uF
25V
1uF
25V
C511
10uF
10uF
10V
OPT
R504
100
0.1uF
C520
50V
C512
0.1uF
16V
R505
3.3K
C536
0.47uF
50V
C533
390pF
50V
C530
390pF
50V
L503
10.0uH
10.0uH
+3.3V_Normal
C524
10uF
35V
SPK_L+
R522
0
0
LIPS_ONLY
POWER_DET
C506
4.7uF
16V
NOISE_IMPRV
C525
0.01uF
50V
0.01uF
50V
OPT
R508
12
R509
12
R510
12
R511
12
R512
12
R514
12
R513
12
R515
12
Q501
MMBT3904(NXP)
NON_LIPS
E
B
C
L501
CIS21J121
IC501
NTP-7500L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
NTP-7500
2011.10.04
16
GP4L_S7LR2
SPEAKER_L
SPEAKER_R
Audio amp(NTP-7500)
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