LG 32LK450 Service Manual page 37

Rear AV
REAR_AV
C1643
D1619
47pF
R1654
30V
50V
75
REAR_AV
REAR_AV
JK1604
PPJ233-01
[RD]E-LUG
5C
D1624
5.6V
[RD]O-SPRING
4C
[RD]CONTACT
3C L-MONO
[WH]C-LUG
4B
[YL]CONTACT
3A
R1671
D1625
470K
[YL]O-SPRING 5.6V
4A
REAR_AV
REAR_AV
[YL]E-LUG
5A
REAR_AV
REAR_AV
R1672
D1626
5.6V 470K
REAR_AV
COMPONENT1
EU_OPT
AV_DET
FIX-TER
22
D1602
[GN]GND COM_GND
11 30V
21
10 SYNC_IN OPT
[GN]G
20
SYNC_OUT
9
19
[GN]C_DET
SYNC_GND2
8 18
D1603
SYNC_GND1
[BL]B
30V
17
7 OPT
RGB_IO
[RD]R
16
R_OUT
6
15
[WH]L_IN D1604
RGB_GND
30V
5 14
R_GND
[RD]R_IN
13
R4221
4
D2B_OUT 0
[RD]MONO EU_OPT
12
G_OUT
13
11
D1605
D2B_IN
PPJ-230-01
30V
10
JK1601 G_GND
COMPONENT1
9
ID
8
B_OUT
7
AUDIO_L_IN
D1606
6 30V
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3
AUDIO_R_IN
2
D1607
AUDIO_R_OUT
5.6V
1
OPT
PSC008-01
JK1602
D1609
5.6V
OPT
Full Scart/ Comp1
D1608
5.6V
OPT
D1601
5.6V
OPT
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.
AV_CVBS_IN COMPONENT2
C1648
220pF
50V
+3.3V_Normal
OPT
R1660
10K
REAR_AV
AV_CVBS_DET
R1666
1K
REAR_AV
C1646
0.1uF
OPT
16V
REAR_AV
REAR_AV
R1685
10K
AV_R_IN
L1609
120-ohm C1663
REAR_AV
330pF
50V
REAR_AV
L1610 REAR_AV
R1684
120-ohm
10K
AV_L_IN
REAR_AV
C1662 R1688
330pF 12K
50V REAR_AV
REAR_AV
PPJ234-01
JK1603
REAR_COMP2
+3.3V_Normal
R1613
10K
SC1/COMP1_DET
R1614
1K
D1611
C1607
5.6V
0.1uF
16V
OPT
EU_OPT
R4210
0
SC1_SOG_IN
EU_OPT E
ISA1530AC1
Q1601
SC1_CVBS_IN
EU_OPT EU_OPT C
C1608
R1609 C1604
220pF
47pF
75 50V
50V
OPT
EU_OPT
D1610 EU_OPT
R1628
C1620
30V 75
100uF Gain=1+Rf/Rg
OPT
16V
EU_OPT
R1627
EU_OPT
SC1_R+/COMP1_Pr+ 22
R1616
R1608 75
75
OPT
SC1_G+/COMP1_Y+
30V
R1604
D1716
75
OPT EU_OPT
D1618 EU_OPT
R1623
SC1_B+/COMP1_Pb+
30V
15K R1629
3.9K
R1605
75
R1617
10K
L1604
R1606 C1611
120-ohm R1630
470K
330pF 12K
50V
R1618
10K
L1603
120-ohm C1612
R1631
R1607 330pF 12K
470K
50V
EU_OPT EU_OPT EU_OPT
L1601 C1609
C1618
BLM18PG121SN1D
1000pF 4700pF
50V
EU_OPT
EU_OPT
EU_OPT
L1602
C1619
BLM18PG121SN1D C1610
4700pF
1000pF
50V
+3.3V_Normal
R1612
R1615
10K
1K
D1613
5.6V
OPT
[GN]E-LUG
R1619
6A
75
[GN]O-SPRING
D1612
5A
30V
[GN]CONTACT
4A
[BL]E-LUG-S
D1614 30V
7B
[BL]O-SPRING 75
5B
[RD]E-LUG-S
7C
[RD]O-SPRING_1
D1615
5C
30V
[WH]O-SPRING
R1633
5D
10K
[RD]CONTACT
C1616
4E D1616 R1625 R1636
5.6V 1000pF 12K
[RD]O-SPRING_2 470K
50V
OPT
OPT
5E
[RD]E-LUG
R1632
6E 10K
C1617
D1617
R1634
5.6V OPT R1626 1000pF 12K
470K
50V
OPT
IN CASE OF SMALL= 15V
+12V/+15V
EU_OPT
L1606
EU_OPT
EU_OPT EU_OPT
C1625
C1623
R1640
0.1uF
470 0.1uF
50V
50V
B
EU_OPT
EU_OPT
Q1602
EU_OPT R1641
2SC3052 47K
C EU_OPT
R4211
C1621
390 B
47uF
16V
DTV/MNT_VOUT
E
EU_OPT
R1635
390
EU_OPT
Rf EU_OPT R1642
Rg
R1639 15K
180
SC1_FB
REC_8
SC1_ID
SC1/COMP1_L_IN
SC1/COMP1_R_IN
[SCART AUDIO MUTE]
DTV/MNT_L_OUT
DTV/MNT_L_OUT
EU_OPT
Q1607
2SC3052
EU_OPT
R1648
2K
DTV/MNT_R_OUT
3
DTV/MNT_R_OUT
EU_OPT
Q1608
2SC3052 EU_OPT
R1650
2K
COMP2_DET
ETHERNET FOR DVB_T2
COMP2_Y+
COMP2_Pb+
COMP2_Pr+
COMP2_L_IN
COMP2_R_IN
CLOSE TO MSTAR
DTV/MNT_L_OUT
C1664
R4218
0.01uF
+12V/+15V
22K
R4219 100
SCART1_Lout
C1642
0.1uF
R4216 100
50V SCART1_Rout
C1665 R4217
0.01uF
22K
EU_OPT
DTV/MNT_R_OUT
[SCART PIN 8]
+3.5V_ST
SC_RE1
EU_OPT
R1652
10K
EU_OPT
RT1P141C-T112
SC_RE2
Q1610
SCART1_MUTE
1
EU_OPT
C1636
2
0.1uF
REAR_JACK
TP1610
ET_RXD0
ET_TXD0
TP1611
TP1612
ET_RXD1
ET_TXD1
TP1613
ET_REF_CLK
TP1614
ET_TX_EN
TP1615
ET_MDC
TP1616
ET_MDIO
TP1617
ET_CRS
TP1618
ET_RXER
TP1619
/RST-PHY
TP1620
IC1601-*1
SN324
OUT1 OUT4
1 14
EU_OPT_AUK
INV_IN1 INV_IN4
2 13
NON_INV_IN1 NON_INV_IN4
3 12
VCC GND
4 11
NON_INV_IN2 NON_INV_IN3
5 10
INV_IN2 INV_IN3
6 9
OUT2 OUT3
7 8
EU_OPT_BCD
IC1601
AS324MTR-E1
EU_OPT
R1656
OUT1 OUT4
2.2K
1 14
EU_OPT
EU_OPT
R1664
C1644
IN1- IN4-
OPT 33K
10uF 2 13
R1662
16V
470K
EU_OPT
R1667
IN1+ IN4+
EU_OPT EU_OPT 10K
3 12
R1657 C1654
5.6K 33pF
VCC GND
4 11
EU_OPT
R1658
IN2+ IN3+
5.6K
5 10
EU_OPT
R1665
33K IN2- IN3-
6 9
R1668
10K
EU_OPT OUT2 OUT3
7 8
R1655 C1655
33pF
2.2K
EU_OPT
EU_OPT
OPT
C1645
R1661
10uF
470K
16V
EU_OPT
+12V/+15V
IN CASE OF SMALL= 15V
OPT
R1687
10K C
OPT B OPT
OPT
R1675 Q1615
2K R1677
2SC3052
OPT
10K
R1695
R4207 E
12K
51K
OPT
OPT
C
R1680 REC_8
B
1K
OPT
Q1613
OPT E
2SC3052
R1676
560
C
OPT
B Q1611
2SC3052
OPT
R1681 E
OPT
R1678 1K
680
GP2R 20101023
17