LG 37LD310H / 37LD320H (CHASSIS:LA06A) 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.
SPI_SCK
/FLASH_WP
0
R1301
0
OPT
R1300
/SPI_CS
4.7K
R1303
0 . 1 u F
C1200
+3.3V_Normal
+3.3V_Normal
KRC103S
Q1300
E
B
C
+3.3V_Normal
10K
R1302
33
R1304
SPI_SDO
SPI_SDI
MX25L8005M2I-15G
IC200
S_FLASH
3
WP#
2
SO
4
GND
1
CS#
5
S I
6
SCLK
7
HOLD#
8
VCC
MX25L8006EM2I-12G
IC200-*1
M a c r o n i x _ s h r i n k
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
S I / S I O 0
6
SCLK
7
HOLD#
8
VCC
S - F l a s h ( 1 M B )
21
LD320H-UA_LA06A
2 0 1 0 . 0 9 . 0 4
2 3 ( 1 6 )
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.
+5V_TU
TUNER_RESET
100pF
50V
50V
C5006
0 . 0 1 u F
25V
25V
BOOSTER_OPT
C5011
TU_CVBS
100
R5009
+3.3V_TU
0
RF_AGC_OPT
R5001
0 . 1 u F
16V
C5003
+5V_TU
BLM18PG121SN1D
L5003
2.2K
BOOSTER_OPT
R5017
+3.3V_Normal
+3.3V_TU
2SC3052
RF_AGC_OPT
Q5003
E
B
C
0 . 1 u F
16V
C5024
RF_SWITCH_CTL
22uF
16V
16V
OPT
C5018
0 . 1 u F
16V
RF_S/W_OPT
C5002
+1.2V/+1.8V_TU
LNA2_CTL
+5V_TU
IF_N_MSTAR
ISA1530AC1
Q5005
NON_TU_CVBS_BYPASS
E
B
C
MLB-201209-0120P-N2
BOOSTER_OPT
L5001
+3.3V_TU
+3.3V_TU
0 . 1 u F
16V
C5010
0 . 1 u F
16V
C5007
TU_SDA
1K
OPT
R5027
BLM18PG121SN1D
L5002
0
R5003
IF_AGC_SEL
0 . 1 u F
16V
C5021
10K
BOOSTER_OPT
R5021
4.7K
R5025
1K
OPT
R5026
100K
R5011
0 . 1 u F
16V
C5022
0
RF_S/W_OPT
R5002
ISA1530AC1
BOOSTER_OPT
Q5001
E
B
C
100pF
50V
50V
C5001
+3.3V_TU
1K
R5022
0 . 1 u F
16V
16V
C5016
OPT
0 . 1 u F
16V
16V
RF_AGC_OPT
C5026
0 . 1 u F
16V
16V
C5023
0
BOOSTER_OPT
R5014
82
R5032
+5V_TU
22uF
16V
16V
OPT
C5017
TU_SIF
ISA1530AC1
Q5004
E
B
C
22uF
16V
16V
C5020
22uF
16V
16V
C5019
IF_P_MSTAR
10uF
10V
10V
RF_AGC_OPT
C5027
TU_SCL
+5V_TU
2SC3052
BOOSTER_OPT
Q5002
E
B
C
0
R5300
10K
RF_AGC_OPT
R5028
10K
BOOSTER_OPT
R5019
+1.2V/+1.8V_TU
1
R5033
0 . 1 u F
16V
16V
C5028
10uF
10V
10V
C5029
0
NON_DEMOD_OPT
R5034
0
NON_DEMOD_OPT
R5035
1.2K
R5038
10
R5036
0 . 1 u F
16V
C5031
IF_AGC_MAIN
0 . 1 u F
16V
C5025
470
R5029
TDTJ-S001D
TU5001
DVB_1INPUT_H_LGIT
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
S I F
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
AZ1117H-ADJTRE1(EH11A)
IC5001
2
OUTPUT
3
INPUT
1
ADJ/GND
220
R5030
NON_TU_CVBS_BYPASS
220
R5031
TDVJ-H001F
TU5001-*3
NTSC_1INPUT_H_LGIT
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
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
TDVJ-H031F
TU5001-*2
NTSC_1INPUT_V_LGIT
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
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
TDTR-T035F
TU5001-*1
NTSC_2INPUT_H_LGIT
14
+ B 3 [ 3 . 3 V ]
13
+ B 2 [ 1 . 2 V ]
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
S I F
8
NC_3
3
+B1[5V]
16
IF/AGC
7
SDAT
6
SCLT
15
RESET
18
D I F _ 2 [ P ]
SHIELD
19
0
TU_CVBS_BYPASS
R5039
1.2K
R5018
NON_BR_TU_I2C
1.2K
R5020
NON_BR_TU_I2C
33
R5015
NON_BR_TU_I2C
33
R5016
NON_BR_TU_I2C
18pF
50V
50V
C5012
NON_BR_TU_I2C
18pF
50V
50V
C5013
NON_BR_TU_I2C
47pF
50V
50V
BR_TU_I2C
C5012-*1
1/16W
100
5%
BR_TU_I2C
R5016-*1
3.3K
BR_TU_I2C
R5020-*1
1/16W
100
5%
BR_TU_I2C
R5015-*1
47pF
50V
50V
BR_TU_I2C
C5013-*1
3.3K
BR_TU_I2C
R5018-*1
UDA45AL
TU5001-*4
NTSC_1INPUT_H_SANYO
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
S I F
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
SHIELD
19
+5V_TUNER
G P I O m u s t b e a d d e d .
ATSC_CAN TUNER
T h e p u l l - u p / d o w n o f L N A 2 _ C T L
is depended on MODLE_OPT_1.
GPIO must be added for FE_BOOSTER_CTL
C l o s e t o t h e t u n e r
OPTION : RF AGC
OPTION : BOOSTER
P u l l - u p c a n ’ t b e a p p l i e d
because of MODEL_OPT_2
200mA
s h o u l d b e g u a r d e d b y g r o u n d
OPTION : RF S/W
LGIT CAN H/N TUNER for US&KOR&BRAZIL&TAIWAN&AUS
60mA
* C h a n g e H i s t o r y .
1 . D e - r e t i n g
1 ) R 5 0 2 9 , R 5 0 3 0 , R 5 0 3 1 : 1 0 0 5 T y p e = = > 1 6 0 8 T y p e ( w . s . J e o n g _ 1 0 1 9 )
V e r 1 . 0 - - > 1 . 1 : C h a n g e o f c h i p t y p e , 0 9 1 0 1 9 , w . s . j e o n g
2 ) R 5 0 3 0 , R 5 0 3 1 : 2 0 0 / 1 6 0 8 T y p e = = > 2 2 0 / 2 0 1 2 T y p e ( w . s . J e o n g _ 1 1 1 6 )
2 . A D D o f T U N E R P / N ( w . s . J e o n g _ 1 1 1 6 )
V e r 1 . 1 - - > 1 . 2 : C h a n g e o f c h i p t y p e , A d d o f T u n e r P / N f o r N T S C _ 1 I N P U T
- > 1 . 2 : C h a
Option name:BR_TU_I2C
B R A Z I L m o d e l u s e I 2 C S t a n d a r d M o d e
21
2 0 1 0 . 0 9 . 0 4
LD320H-UA_LA06A
2 6 ( 1 7 )
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.
GMA18
H_CONV
RXA3-
RXA3-
GMA16
GMA18
I2C_SCL
GMA7
RXA1+
GMA4
120-ohm
WAFER_FHD
L702
RXD1-
RXACK+
RXB3-
RXB4-
120-ohm
WAFER_HD
L701
PANEL_VCC
RXA0+
RXB0+
GMA9
RXC0-
RXB2+
I2C_SDA
GMA4
10K
LVDS_SEL_LOW
R710
TF05-51S
P703
WAFER_FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXC3-
RXA0-
H_CONV
OPC_EN
33
R706
240Hz
10uF
16V
16V
C711
MINI_LVDS
RXA2-
VCOML
GSP/GVST_I
POL
RXA2-
RXA2+
GMA3
GMA12
RXA1-
PWM_DIM
GMA9
10K
BIT_SEL_LOW
R709
RXA1+
RXB4+
RXB1-
0 . 1 u F
16V
16V
C706
MINI_LVDS
OPC_OUT
RXB4-
33
R708
240Hz/3D
RXA3+
0 . 1 u F
50V
50V
C704
MINI_LVDS
RXACK+
RXB2+
RXB3+
VCOMLFB
3.3K
LVDS_SEL_HIGH
R705
RXA4-
10uF
16V
16V
C712
MINI_LVDS
RXC0+
GMA3
33
R707
240Hz/3D
0 . 1 u F
16V
16V
C710
WAFER_FHD
PWM_DIM
RXA3+
RXB0-
RXD0+
GMA10
RXA0+
+3.3V_Normal
RXC1+
RXC4-
FRC_RESET
3.3K
R700
MINI_LVDS
RXA1-
RXB3+
VCOMRFB
SOE
RXC2+
RXA0+
VDD_LCM
GMA6
RXBCK+
RXA2+
RXA0-
VCC_LCM
GMA13
VCC_LCM
RXC3+
GMA1
RXA1+
0
R717
OPT
RXA4+
RXB4+
SOE
3.3K
LVDS_SEL_HIGH
R712
RXD0-
1000pF
50V
50V
C709
WAFER_FHD
GMA6
GSP/GVST_I
SCAN_BLK2
VDD_LCM
+3.3V_Normal
RXA0-
RXB2-
RXB1+
0
R716
WAFER_HD
RXBCK-
PANEL_VCC
GMA16
RXC4+
RXB1+
RXB0-
RXD1+
RXACK-
0 . 0 1 u F
50V
50V
C708
MINI_LVDS
RXB1-
RXACK-
GMA7
GMA10
HVDD
0 . 0 1 u F
50V
50V
C703
MINI_LVDS
HVDD
0 . 1 u F
50V
50V
C707
MINI_LVDS
GMA15
GMA15
10K
LVDS_SEL_LOW
R711
10uF
16V
16V
OPT
C700
RXB2-
RXC2-
VCOMR
POL
RXB3-
RXC1-
0 . 1 u F
16V
16V
C701
MINI_LVDS
GMA1
GMA13
RXB0+
RXA1-
GMA12
3.3K
R703
MINI_LVDS
0
OPT
R721
0
SCAN
R728
0
SCAN
R720
0
OPT
R723
0
NON_SCAN
R713
SCAN_BLK1/OPC_OUT
0
OPT
R714
VDD_EVEN
CLK1
VGL
( - 5 V )
Z_OUT
CLK4
VGI_N
VGI_P
VST
CLK2
VGL_I
CLK5
CLK6
0 NON_GIP
R745
CLK3
VDD_ODD
VGI_N
0 NON_GIP
R767
VGH_M
(+25V)
CLK1
0
NON_GIP
R752
0
NON_GIP
R753
0 NON_GIP
R771
CLK5
VDD_ODD
0
NON_GIP
R751
CLK4
Z_OUT
0
NON_GIP
R750
0
NON_GIP
R748
VST
GOE/GCLK1_I
CLK6
VGL_I
CLK3
0 NON_GIP
R770
0
NON_GIP
R749
0MINI_LVDS
R754
VGL
( - 5 V )
VGI_P
VDD_EVEN
GSC/GCLK3_I
0 NON_GIP
R772
0 NON_GIP
R768
0 NON_GIP
R769
CLK2
0 GIP
R765
0 GIP
R729
3.3K
NON_GIP
R773
0 GIP
R701
1 0 4 0 6 0 - 6 0 1 7
P701
MINI_LVDS
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
.
1 0 4 0 6 0 - 6 0 1 7
P702
MINI_LVDS
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
.
3D_POWER_EN
VCC_LCM
VCC_LCM
VCC_LCM
33
3D
R704
/3D_FPGA_RESET
33
3D
R702
10uF
MINI_LVDS
C702
10uF
MINI_LVDS
C705
OPC_EN
0
OPT
R724
GND
GND
FI-X30SSL-HF
P705
WAFER_HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
MDS61887701
M1
GASKET1
MDS61887701
M2
GASKET2
MDS61887701
GASKET3
M3
MDS61887701
GASKET4
M4
MDS61887701
GASKET5
M5
LVDS/GASKET
[ 5 1 P i n L V D S C o n n e c t o r ]
( F o r F H D 6 0 / 1 2 0 H z )
[ 3 0 P i n L V D S C o n n e c t o r ]
(For HD 60Hz_Normal)
[LEFT FFC Connector]
( 6 0 P i n M i n i - L V D S )
1 0 u F / 2 5 V ( 3 2 1 6 )
1 0 u F / 2 5 V ( 3 2 1 6 )
[ R i g h t F F C C o n n e c t o r ]
( 6 0 P i n M i n i - L V D S )
BIT_SEL
LVDS_SEL
LVDS_SEL
2 0 1 0 . 0 9 . 0 4
21
LD320H-UA_LA06A
3 6 ( 1 9 )
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.
PCM_A[13]
/PCM_IORD
PCM_A[14]
/PCM_REG
PCM_A[12]
/PCM_CD
PCM_A[10]
PCM_A[8]
/PCM_WE
PCM_A[3]
/PCM_IOWR
PCM_A[0]
PCM_A[4]
PCM_5V_CTL
PCM_RST
PCM_A[11]
PCM_A[6]
PCM_A[9]
PCM_A[2]
PCM_A[5]
/PCM_IRQA
/PCM_WAIT
/PCM_CE
PCM_A[1]
PCM_A[7]
/PCM_OE
PCM_D[0-7]
PCM_D[2]
PCM_D[6]
PCM_D[1]
PCM_D[3]
PCM_D[7]
PCM_D[5]
PCM_D[4]
PCM_D[0]
PCMCI
NON CI Region
4 6 ( 2 1 )
LD320H-UA_LA06A
21
2 0 1 0 . 0 9 . 0 4
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