LG 42LM3450 / 42LM345S / 42LM345T (CHASSIS:LD21B) 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.
LVDS_LARGE
2011/11/14
11
GP4L_S7LR2
RXA4+
C701
10uF
16V
10uF
16V
OPT
RXB1-
RXA3-
RXA0+
RXB3-
PANEL_VCC
RXA2+
C709
1000pF
50V
1000pF
50V
OPT
R711
10K
10K
OPT
RXA0-
R709
10K
10K
AUO_GND
RXA0+
RXB4-
RXA1+
RXA0-
RXACK-
R713
0
OPT
RXA2-
RXACK+
C702
1000pF
50V
1000pF
50V
OPT
C700
10uF
16V
10uF
16V
OPT
RXA1-
P703
FI-RE51S-HF-J-R1500
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
R712
3.3K
3.3K
OPT
+3.3V_Normal
C703
0.1uF
16V
0.1uF
16V
HD
RXA1+
RXB1+
RXB0-
RXACK-
RXA2+
P705
FF10001-30
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
RXA2-
PANEL_VCC
RXA4-
RXACK+
RXB0+
RXA1-
RXA3-
C710
0.1uF
16V
0.1uF
16V
FHD
RXA3+
RXB4+
RXBCK-
RXB3+
RXA3+
RXB2+
RXB2-
RXBCK+
R705
3.3K
3.3K
OPT
R710
10K
OPT
+3.3V_Normal
R706
0
PSU_T120_LGD
PWM_DIM
OPC&SCANNING_CTRL
R703
3.3K
3.3K
OPT
+3.3V_Normal
R704
10K
OPT
L702
70-ohm
FHD
L701
BLM18SG700TN1D
70-ohm
HD
AUO_GND/LGD_NC
LVDS_SEL
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
LVDS for large inch
[51Pin LVDS Connector]
(For FHD 60Hz)
(For FHD 60Hz)
RXB3-
RXA4-
RXA0+
RXB4-
RXB1+
RXB1+
RXA4+
RXB3-
RXA4+
RXA2-
RXB3+
RXB2+
MIRROR
FOR FHD REVERSE(8bit)
RXA0+
RXA3-
RXB0-
RXA2+
RXACK-
RXA1+
RXA4-
RXB1+
RXB3-
RXA2+
RXB2-
RXB4+
RXB3-
RXB0+
MIRROR
RXB3+
RXB2-
RXBCK+
RXACK-
RXB3+
RXB1+
RXA1+
RXA0-
RXB2-
RXB4+
RXA2+
RXA2+
RXA4+
RXB1-
RXB0-
RXA3+
RXA0-
RXB4-
RXBCK-
RXB1-
RXA1-
RXA4-
RXA3-
RXA1+
RXA0-
RXA4-
RXB2+
RXA2-
RXB4-
RXA3-
RXACK+
RXA4+
RXB1-
RXB3+
RXA4-
RXB1-
Pol-change
Shift
RXB2-
RXA2+
RXB4+
RXACK-
RXA1-
RXB4+
RXB0+
RXB3-
RXA1-
RXA0+
RXA3-
RXBCK+
RXA0-
RXB0-
RXB1+
RXA0+
RXBCK+
RXA0-
RXBCK+
RXACK-
RXA2-
RXA4+
RXACK+
RXA2-
RXB0-
RXB1-
RXB3+
RXBCK+
RXB3-
RXB0-
RXB2+
RXB0-
RXB2-
RXA3+
RXACK-
RXB0+
RXB2+
RXA3+
RXB0+
RXA1-
RXA4-
RXB4+
RXA2-
RXA2+
RXA0+
RXB1-
RXB2-
RXA3+
RXBCK+
RXB4-
RXB2+
RXA3+
RXB4-
RXB2+
RXBCK-
RXA1-
RXA0+
Change in S7LR
RXBCK-
RXA4+
Pol-change
RXA0-
RXB3-
RXB4-
RXACK+
RXB0+
RXB4+
RXBCK-
RXACK+
RXB0+
RXA3-
RXA3+
Change in S7LR
RXBCK-
RXA3-
RXBCK-
RXACK+
RXA4-
RXB0-
RXACK-
RXA1+
RXACK-
RXB1+
RXA1-
RXA3+
RXA2-
RXB4-
RXA3-
RXA0-
RXB1-
RXBCK-
RXBCK+
RXA1+
RXB3+
RXB3+
RXA1-
RXB2-
RXB1+
RXA2-
RXB4+
RXACK+
RXA0+
RXA1+
RXA4+
FOR FHD REVERSE(10bit)
RXB2+
RXB0+
RXA1+
RXACK+
RXA2+
LVDS_SEL
SCANNING_EN
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.
SFLASH_1MB
2011/06/03
13
GP4L_S7LR2
SPI_SCK
+3.5V_ST
+3.5V_ST
C1401
0.1uF
0.1uF
OS
R1404
4.7K
OPT
/SPI_CS
SPI_SDO
IC1401
MX25L8006EM2I-12G
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
R1405
33
OS
R1403
10K
10K
OPT
SPI_SDI
/FLASH_WP
R1401
0
OPT
IC1401-*1
W25Q80BVSSIG
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
Q1401
MMBT3904(NXP)
MMBT3904(NXP)
OPT
E
B
C
Serial Flash for SPI boot
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
HEADPHONE
15
GP4L_S7LR2
R1500
3.3K
HEAD_PHONE_POP
C1500
10uF
16V
10uF
16V
HEAD_PHONE
C1501
10uF
16V
10uF
16V
HEAD_PHONE
JK1500
KJA-PH-0-0177
HEAD_PHONE
3
DETECT
4
L
5
GND
1
R
+3.3V_Normal
R1504
10K
10K
HEAD_PHONE
C1503
1000pF
50V
1000pF
50V
OPT
HP_LOUT
R1503
1K
1K
HEAD_PHONE
HP_DET
+3.5V_ST
HP_ROUT
SIDE_HP_MUTE
R1501
1K
1K
HEAD_PHONE
C1502
1000pF
50V
1000pF
50V
OPT
R1502
1K
HEAD_PHONE
Q1502
MMBT3904(NXP)
MMBT3904(NXP)
HEAD_PHONE_POP
E
B
C
Q1503
MMBT3904(NXP)
HEAD_PHONE_POP
E
B
C
Q1505
MMBT3904(NXP)
HEAD_PHONE_POP
E
B
C
Q1504
MMBT3904(NXP)
HEAD_PHONE_POP
E
B
C
Q1501
MMBT3906(NXP)
HEAD_PHONE_POP
E
B
C
Q1500
MMBT3904(NXP)
HEAD_PHONE_POP
E
B
C
JK1500-*1
PEJ031-01
PEJ031-01
HEAD_PHONE_32LS3500
3
DETECT
4
L
5
GND
1
R
Headphone *Option : HEAD_PHONE
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