Read LG 37LD322H (CHASSIS:LD01Z) Service Manual 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.
12K
R1634
DTV/MNT_L_OUT
0 . 1 u F
50V
C1625
COMP2_Pr+
+3.3V_Normal
470K
R1625
470
R1640
30V
D1605
75
R1609
75
R1621
COMP2_Y+
22
R1627
5.6V
OPT
D1611
100uF
16V
16V
C1620
0
R1622
10pF
OPT
C1603
30V
OPT
D1618
DTV/MNT_VOUT
BLM18PG121SN1D
L1601
COMP2_L_IN
SCART1_MUTE
30V
D1606
30V
OPT
D1602
10pF
50V
50V
OPT
C1613
75
R1620
47pF
50V
50V
C1604
4700pF
C1618
30V
D1612
DTV/MNT_L_OUT
0
R1638
COMP2_Pb-
ISA1530AC1
Q1601
E
B
C
75
R1628
2K
R1648
+12V/+15V
10K
R1618
5.6V
D1616
BLM18PG121SN1D
L1602
SC1_G-/COMP1_Y-
47uF
16V
16V
C1621
0
R1637
SC1/COMP1_DET
75
R1619
30V
OPT
D1610
DTV/MNT_R_OUT
DTV/MNT_R_OUT
12K
R1631
0
R1645
180
R1639
5.6V
OPT
OPT
D1601
5.6V
OPT
OPT
D1607
10K
R1632
30V
OPT
D1603
SC1_CVBS_IN
120-ohm
L1603
+3.3V_Normal
0 . 1 u F
50V
50V
C1642
2SC3052
Q1608
12K
R1636
330pF
50V
50V
C1611
47K
R1641
10pF
50V
OPT
C1614
SC1_ID
10pF
50V
OPT
C1615
5.6V
D1613
SC1_B+/COMP1_Pb+
L1606
SC1_R+/COMP1_Pr+
COMP2_Pr-
2SC3052
Q1607
10K
R1633
COMP2_R_IN
10pF
OPT
C1602
15K
R1642
2SC3052
Q1602
E
B
C
75
R1616
330pF
50V
C1612
10K
R1617
470K
R1607
0
R1601
SC1/COMP1_L_IN
1K
R1614
75
R1605
OPT
C1606
C1606
75
R1608
0 . 1 u F
50V
C1623
2K
R1650
30V
D1615
1000pF
50V
50V
C1610
COMP2_Y-
SC1_FB
SC1/COMP1_R_IN
10pF
OPT
C1601
C1601
75
R1604
0
R1611
0 . 1 u F
16V
16V
C1607
1000pF
50V
50V
C1616
5.6V
OPT
OPT
D1608
5.6V
D1617
SC1_G+/COMP1_Y+
SC1_R-/COMP1_Pr-
12K
R1630
30V
D1614
COMP2_DET
10K
R1652
220pF
50V
50V
OPT
C1608
0 . 1 u F
C1636
120-ohm
L1604
1K
R1615
1000pF
50V
50V
C1609
4700pF
C1619
+12V/+15V
0
R1624
5.6V
OPT
D1609
1000pF
50V
50V
C1617
COMP2_Pb+
SC1_B-/COMP1_Pb-
+3.5V_ST
RT1P141C-T112
Q1610
Q1610
1
2
3
OPT
C1605
C1605
30V
D1604
470K
R1626
470K
R1606
0
R1602
10K
R1613
10K
R1612
15K
R1623
3.9K
R1629
SC1_SOG_IN
0
R4210
LM324D
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
VEE/GND
12
IN4+
13
I N 4 -
14
OUT4
SCART1_Rout
5.6K
R1658
5.6K
R1657
SCART1_Lout
10K
R1667
2.2K
R1656
33pF
C1654
470K
OPT
R1662
33K
R1664
10uF
16V
16V
C1644
33K
R1665
470K
OPT
R1661
2.2K
R1655
10uF
16V
16V
C1645
33pF
C1655
10K
R1668
390
R1635
390
R4211
0
R4213
0
R4214
0
R4215
0 . 0 1 u F
C1665
100
R4216
22K
R4217
100
R4219
0 . 0 1 u F
C1664
22K
R4218
0
R4221
0
R4224
DTV/MNT_R_OUT
DTV/MNT_L_OUT
0
R1603
JK1605
1
R_OUT
2
R_IN
3
L_OUT
4
GND
5
GND
6
LIN
7
B
8
SC_ID
9
.
10
.
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
23
23
22
22
P P J 2 2 9 - 0 1
JK1603
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
10K
R1681
5.6K
R1673
33pF
C1666
10K
R1679
EXT_L_AMP
10uF
16V
C1669
100
OPT
R1669
33K
R1676
470K
OPT
R1680
EXT_L_AMP_IN
33pF
C1667
2.2K
R1674
EXT_R_AMP_IN
100
R1671
100
OPT
R1677
470K
OPT
R1672
33K
R1670
2.2K
R1675
EXT_R_AMP
10uF
16V
C1668
5.6K
R1682
100
R1678
SCART/RCA
Rf
STATUS
C h i n a : U s i n g
NAME
AV_OPT
F u l l S c a r t / C o m p 1
CHINA_OPT
C h i n a : U s i n g
COMPONENT2
E U : U s i n g
EU_OPT
Rg
OPTION TABLE
For EU
E U : N o t U s i n g
E U : N o t U s i n g
C h i n a : N o t U s i n g
Gain=1+Rf/Rg
[SCART AUDIO MUTE]
CLOSE TO MSTAR
V e r . 1 . 1
18
IN CASE OF SMALL= 15V
FOR ESD & EMI
FOR ESD & EMI
FOR ESD & EMI
EAX62115503
[SCART/EXT AUDIO 1st AMP]
CLOSE TO MSTAR
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