LG 55LS645H (CHASSIS:LB2AW) 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
+3.5V_ST
KRC103S
Q1300
OPT
E
B
C
+3.5V_ST
0 . 1 u F
C1300
4.7K
R1302
OPT
/SPI_CS
SPI_SDO
MX25L8006EM2I-12G
IC1300
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
S I / S I O 0
6
SCLK
7
HOLD#
8
VCC
33
R1303
10K
R1301
OPT
SPI_SDI
/FLASH_WP
0
OPT
R1300
W25Q80BVSSIG
IC1300-*1
S_FLASH_MAIN_WINBOND
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
D I [ I O 0 ]
6
CLK
7
HOLD[IO3]
8
VCC
+3.5V_ST
+3.3V_Normal
0
R1304
OPT
0
R1305
EMEA INTERACTIVE
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
S-FLASH
1 3 2 0
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.
0 . 1 u F
16V
16V
C1419
100pF
50V
50V
C1406
IF_AGC_MAIN
100
R1402
0
R1400
10uF
6.3V
6.3V
C1402
OPT
82
R1415
NON_ASIA_TU
18pF
50V
50V
C1401
0 . 1 u F
16V
C1415
0 . 1 u F
16V
C1409
0 . 1 u F
16V
C1413
4.7K
R1409
NON_ASIA_TU
+3.3V_TU
10uF
10V
10V
C1417
+3.3V_TU
100K
R1403
22uF
10V
10V
C1418
TU_SDA
+3.3V_TU
0
R1401
0 . 1 u F
16V
C1404
20pF
50V
50V
C1411
OPT
220
R1416
NON_ASIA_TU
IF_N_MSTAR
IF_P_MSTAR
33
R1405
100pF
50V
50V
C1407
0
R1412
NON_ASIA_TU
0 . 1 u F
16V
C1403
TU_CVBS
0 . 1 u F
16V
C1416
150
R1420
OPT
0 . 1 u F
16V
16V
C1408
1/10W
1
R1419
22uF
10V
10V
C1414
TU_SCL
220
R1417
NON_ASIA_TU
+3.3V_TU
+1.2V/+1.8V_TU
TUNER_RESET
+1.2V/+1.8V_TU
+3.3V_TU
+3.3V_TU
18pF
50V
50V
C1405
1K
OPT
R1414
470
R1413
NON_ASIA_TU
0 . 1 u F
16V
C1400
NON_ASIA_TU
33
R1406
+3.3V_TU
TU_SIF
+3.3V_Normal
20pF
50V
50V
C1412
OPT
100
R1404
0
R1410
OPT
0
R1411
OPT
TDSS-G101D
SI2176_DVB_1INPUT_H
TU1400
5
+3.3V
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
S I F
12
SHIELD
TDSS-H101F
TU1400-*1
SI2176_ATSC_1INPUT_H
5
+ B 1 [ 3 . 3 V ]
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+ B 2 [ 1 . 8 V ]
6
S I F
12
SHIELD
1K
R1407
1K
R1408
AZ1117BH-1.8TRE1
IC1400
1
ADJ/GND
2
OUT
3
IN
100uF
16V
16V
C1410
CIS21J121
L1400
MMBT3906(NXP)
Q1400
NON_ASIA_TU
E
B
C
MMBT3906(NXP)
Q1401
NON_ASIA_TU
E
B
C
TDSS-G201D
SI2156_DVB_1INPUT_H
TU1400-*2
5
+ B 1 [ 3 . 3 V ]
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC_1
9
IF_AGC
8
NC_3
3
SCL
7
+ B 2 [ 1 . 8 V ]
6
NC_2
12
SHIELD
0
ASIA_TU
C1400-*1
0
R1422
ASIA_TU
0
R1425
ASIA_TU
2K
R1423
ASIA_TU
390
R1424
ASIA_TU
390
R1421
ASIA_TU
0
R1427
NON_ASIA_TU
0
R1426
NON_ASIA_TU
10pF
50V
ASIA_TU
50V
ASIA_TU
C1420
10pF
50V
ASIA_TU
50V
ASIA_TU
C1421
P4R_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
close to TUNER
TUNER MULTI-OPTION
c l o s e t o t h e t u n e r p i n
C l o s e t o t h e t u n e r
60mA
EMEA INTERACTIVE
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
TUNER
1 4 2 0
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.
33pF
EXT_SPK
C1614
1K
R1666
AV2
SC1/COMP1_L_IN
15K
EU_OPT
R1623
SC1_CVBS_IN
470
EU_OPT
R1640
+3.3V_Normal
330pF
50V
C1612
10K
EXT_SPK
R1647
10K
EXT_SPK
R1670
1K
R1615
75
R1605
0 . 1 u F
50V
EU_OPT
C1623
+12V/+15V
0
EU_OPT
R1611
10K
R1652
EU_OPT
10K
R1612
120-ohm
L1603
12K
R1634
BLM18PG121SN1D
EU_OPT
L1601
4700pF
EU_OPT
C1619
+3.5V_ST
10K
R1613
75
EU_OPT
R1609
1K
R1614
0 . 1 u F
EU_OPT
C1636
COMP2_L_IN
SC1_B+/COMP1_Pb+
SC1_ID
COMP2_DET
SCART1_Lout
33K
R1646
EXT_SPK
DTV/MNT_R_OUT
2.2K
EXT_SPK
R1675
EU_OPT
L1606
220K
R1638
+3.3V_Normal
10K
EU_OPT
R1668
AS324MTR-E1
EU_OPT_BCD
IC1601
3
IN1+
2
I N 1 -
4
VCC
1
OUT1
6
I N 2 -
5
IN2+
7
OUT2
8
OUT3
9
I N 3 -
10
IN3+
11
GND
12
IN4+
13
I N 4 -
14
OUT4
DTV/MNT_L_OUT
10K
R1617
DTV/MNT_R_OUT
220pF
50V
50V
OPT
C1608
10K
R1633
DTV/MNT_R_OUT
BLM18PG121SN1D
EU_OPT
L1602
470K
R1606
10K
R1618
SN324
I C 1 6 0 1 - * 1
EU_OPT_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
PSC008-01
EU_OPT
JK1602
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
1000pF
50V
50V
C1616
OPT
SC1_SOG_IN
33pF
EU_OPT
C1654
330pF
EXT_SPK
C1606
15K
EU_OPT
R1642
1000pF
50V
50V
EU_OPT
C1610
2.2K
EXT_SPK
R1659
5.6K
EXT_SPK
R1649
12K
R1636
2.2K
EU_OPT
R1656
0 . 1 u F
50V
50V
EU_OPT
C1642
0
EU_OPT
R1610
5.6K
EU_OPT
R1657
2.2K
EU_OPT
R1655
470K
OPT
R1661
SC1/COMP1_R_IN
COMP2_Pb+
COMP2_Y+/AV_CVBS_IN
0
R1637
75
R1619
COMP2_Pr+
470K
R1625
2K
EU_OPT
R1650
2K
EU_OPT
R1648
33K
EU_OPT
R1664
75
R1608
5.6K
EXT_SPK
R1651
330pF
C1664
75
EU_OPT
R1628
180
EU_OPT
R1639
10K
R1660
AV2
EXT_AMP_L_IN
SC1_G+/COMP1_Y+
33pF
EU_OPT
C1655
EXT_AMP_L
330pF
50V
50V
C1611
COMP2_R_IN
220K
R1643
1000pF
50V
50V
EU_OPT
C1609
DTV/MNT_VOUT
EXT_AMP_R
33pF
EXT_SPK
C1605
SC1/COMP1_DET
33K
EU_OPT
R1665
0 . 1 u F
50V
EU_OPT
C1625
SC1_FB
220K
EXT_SPK
R1653
SCART1_MUTE
470K
R1607
75
R1604
DTV/MNT_L_OUT
330pF
EXT_SPK
C1613
3.9K
EU_OPT
R1629
EXT_AMP_R_IN
SC1_R+/COMP1_Pr+
P P J - 2 3 0 - 0 1
COMPONENT1
JK1601
9
[GN]G
10
[GN]GND
8
[GN]C_DET
7
[BL]B
6
[RD]R
5
[WH]L_IN
4
[RD]R_IN
11
FIX-TER
13
[RD]MONO
10K
R1632
390
R1622
EU_OPT
4700pF
EU_OPT
C1618
390
EU_OPT
R1635
47K
EU_OPT
R1641
SCART1_Rout
220K
EXT_SPK
R1669
33K EXT_SPK
R1673
12K
R1630
75
R1621
120-ohm
L1604
47pF
50V
50V
EU_OPT
C1604
470K
OPT
R1674
+3.3V_Normal
470K
R1626
5.6K
EU_OPT
R1658
12K
R1631
10K
EU_OPT
R1667
470K
OPT
R1663
+12V/+15V
0
R1644
0 . 1 u F
16V
16V
C1607
1000pF
50V
50V
C1617
OPT
0
COMPONENT1
R1645
22
EU_OPT
R1627
DTV/MNT_L_OUT
75
R1620
75
EU_OPT
R1616
470K
OPT
R1662
0 . 1 u F
16V
16V
C1646
AV2
330pF
C1665
AV_CVBS_DET
P P J 2 3 4 - 0 2
JK1603
REAR_COMP2
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
4C
[RD]CONTACT_1
5D
[WH]O-SPRING
4E [RD]CONTACT_2
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
10uF
16V
16V
EU_OPT
C1644
10uF
16V
16V
EU_OPT
C1645
100uF
16V
16V
EU_OPT
C1620
47uF
25V
25V
EU_OPT
C1621
MMBT3904(NXP)
EU_OPT
Q1602
E
B
C
MMBT3904(NXP)
EU_OPT
Q1608
MMBT3904(NXP)
EU_OPT
Q1607
10pF
20V
D1603
EU_OPT
10pF
20V
D1610
OPT
10pF
20V
D1604
10pF
20V
D1605
10pF
20V
D1606
10pF
20V
D1618
EU_OPT
10pF
20V
D1612
10pF
20V
D1614
10pF
20V
D1615
10pF
20V
D1602
OPT
200pF
5.6V
D1601
OPT
200pF
5.6V
D1607
NON_EU
200pF
5.6V
D1608
OPT
200pF
5.6V
D1609
NON_EU
200pF
5.6V
D1611
OPT
200pF
5.6V
OPT
D1613
200pF
5.6V
D1616
200pF
5.6V
D1617
200pF
5.6V
OPT
D1624
MMBT3906(NXP)
EU_OPT
Q1601
E
B
C
MMBT3906(NXP)
EU_OPT
Q1610
1
2
3
0
R1603
AV2
Rf
F u l l S c a r t / C o m p 1
[SCART AUDIO MUTE]
CLOSE TO MSTAR
COMPONENT2
IN CASE OF SMALL= 15V
Gain=1+Rf/Rg
Rg
CLOSE TO MSTAR
EMEA INTERACTIVE
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
REAR JACK
1 6 2 0
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