LG 37LT560C / 37LT560E (CHASSIS:LA2AC) 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.
SPI_SCK
+3.5V_ST
KRC103S
Q1401
OPT
E
B
C
+3.5V_ST
0.1uF
C1401
4
.7
K
R
14
04
O
PT
/SPI_CS
SPI_SDO
MX25L8006EM2I-12G
IC1401
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
33
R1405
10
K
R
14
03
O
PT
SPI_SDI
/FLASH_WP
0
OPT
R1401
W25Q80BVSSIG
IC1401-*1
S_FLASH_MAIN_WINBOND
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD[IO3]
8
VCC
+3.5V_ST
SFLASH
20110324
13
GP3_S7LR
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.
0.1uF
16V
C3727
100pF
50V
C3737
IF_AGC_MAIN
100
R3732
0
R3761
10uF
6.3V
C3739
82
R3758
18pF
50V
C3711
0.1uF
16V
C3725
0.1uF
16V
C3708
0.1uF
16V
C3717
4.7K
R3753
+3.3V_TU
10uF
10V
C3741
+3.3V_TU
100K
R3733
22uF
10V
C3715
TU_SDA
+3.3V_TU
0
R3760
0.1uF
16V
C3710
20pF
50V
C3742
OPT
IF_N_MSTAR
IF_P_MSTAR
33
R3735
100pF
50V
C3707
0
R3749
NON_ASIA
0.1uF
16V
C3716
TU_CVBS
MLB-201209-0120P-N2
L3703
0.1uF
16V
C3740
0.1uF
16V
C3738
22uF
10V
C3723
TU_SCL
+3.3V_TU
+1.2V/+1.8V_TU
TUNER_RESET
+1.2V/+1.8V_TU
+3.3V_TU
+3.3V_TU
18pF
50V
C3713
1K
OPT
R3750
0.1uF 16V
C3702
NON_ASIA
33 R3736
+3.3V_TU
TU_SIF
+3.3V_Normal
20pF
50V
C3743
OPT
100
R3704
TDSS-G101D
SI2176_DVB_1INPUT_H
TU3700
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
TDSS-H101F
TU3700-*1
H
_
T
U
P
NI
1
_
C
S
T
A
_
6
7
1
2I
S
5
+B1[3.3V]
11
DIF[N]
2
RESET
10
DIF[P]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+B2[1.8V]
6
SIF
12
SHIELD
22uF
25V
C3705
AZ1117BH-1.8TRE1
IC3703
1
ADJ/GND
2
OUT
3 IN
1K
R3741
1K
R3740
470
R3755
1/16W
1
5%
R3766
220
R3752
220
R3751
0
ASIA
R3785
2K
R3782
OPT
OPT
0
ASIA
R3786
0
NON_ASIA R3783
0
OPT
R3756
0
OPT
R3775
TDSS-G201D
TU3700-*2
H
_
T
U
P
NI
1
_
B
V
D
_
6
5
1
2I
S
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
0
ASIA
C3702-*1
MMBT3906(NXP)
Q3703
E
B
C
MMBT3906(NXP)
Q3705
E
B
C
3 . 3
R3781
ASIA
ASIA
3 . 3
R3780
ASIA
ASIA
5pF
50V
C3750
ASIA
5pF
50V
C3751
ASIA
TUNER_L
20110511
14
GP3_S7LR
GP4R_GLOBAL_TUNER_BLOCK
1 . s h o u l d b e g u a r d e d b y g r o u n d
2 . N o v i a o n b o t h o f t h e m
3 . S i g n a l W i d t h > = 1 2 m i l s
S i g n a l t o S i g n a l W i d t h = 1 2 m i l s
G r o u n d W i d t h > = 2 4 m i l s
s h o u l d b e g u a r d e d b y g r o u n d
add,0929
close to TUNER
c l o s e t o t h e t u n e r p i n , a d d , 0 9 0 2 9
S i z e c h a n g e , 0 9 2 9
60mA
C l o s e t o t h e t u n e r
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.
0.1uF
50V
C501
0.1uF
50V
C521
1uF
25V
C528
0.1uF
50V
C537
+24V_AMP
0.1uF
50V
C519
+24V_AMP
SPK_L-
0.1uF
16V
C514
390pF
50V
C533
0.1uF
16V
C513
1000pF
50V
C516
AMP_SCL
100
R503
12
R515
+24V_AMP
0.1uF
50V
C540
12
R514
10K
R501
10.0uH
L506
10K
R502
WAFER-ANGLE
P501
1
2
3
4
0.47uF
50V
C536
1N4148W
100V
OPT
D504
12
R512
22000pF
50V
C526
0.1uF
50V
50V
C522
SPK_L+
AUD_MASTER_CLK
AMP_RESET
390pF
50V
C530
BLM18PG121SN1D
L502
12
R509
33pF
50V
C507
SPK_L-
10uF
35V
C523
0.1uF
50V
50V
C520
0.47uF
50V
C535
3.3K
R505
10.0uH
L505
1N4148W
100V
OPT
D502
12
R508
1N4148W
100V
OPT
D503
10.0uH
L504
12
R511
100
R506
1uF
25V
C529
SPK_L+
0.1uF
50V
C502
2
2
0
0
0
p
F
50
V
C
51
7
SPK_R-
+24V
0.01uF
50V
OPT
C525
22000pF
50V
C518
0.1uF
16V
C512
AUD_LRCK
10uF
10V
OPT
C511
1uF
25V
C534
0.1uF
50V
C538
390pF
50V
C531
10.0uH
L503
1000pF
50V
C505
MLB-201209-0120P-N2
L501
10uF
35V
35V
C524
22000pF
50V
C527
0.1uF
50V
C539
+3.5V_ST
SPK_R+
33pF
50V
C509
AMP_MUTE
100pF
50V
C503
1N4148W
100V
OPT
D501
AMP_SDA
0.1uF
16V
C508
10uF
10V
C515
10uF
10V
NOISE_IMPR.
C506
SPK_R+
+3.3V_Normal
390pF
50V
C532
AUD_LRCH
12
R513
AUD_SCK
3 . 3
OPT
R507
SPK_R-
1000pF
50V
C504
10uF
10V
NOISE_IMPR.
C510
100
R504
12
R510
10K
R520
10K
R521
POWER_DET
0
OPT
R522
THERMAL
NTP-7500L
IC501
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
1
3
SC
L
1
4
/F
A
U
L
T
1
5
M
O
N
IT
O
R
0
1
6
M
O
N
IT
O
R
1
1
7
M
O
N
IT
O
R
2
1
8
B
ST
2B
1
9
PG
N
D
2B
2
0
O
U
T
2B
_1
2
1
O
U
T
2B
_2
2
2
PV
D
D
2_
1
2
3
PV
D
D
2_
2
2
4
PV
D
D
2_
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
3
7
PV
D
D
1_
1
3
8
PV
D
D
1_
2
3
9
3_
1
D
D
VP
4
0
1_
A1
T
U
O
4
1
O
U
T
1A
_2
4
2
PG
N
D
1A
4
3
B
ST
1A
4
4
/R
E
S
E
T
4
5
A
D
4
6
G
N
D
_I
O
4
7
C
L
K
_I
4
8
V
D
D
_I
O
49
[E
P
]
4.7K
R519
4.7K
R516
4.7K
R517
4.7K
R518
MMBT3904(NXP)
Q501
E
B
C
NTP7400
20110324
16
GP3_S7LR
SPEAKER_L
SPEAKER_R
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