LG 32LV355C Service Manual page 31

Rear AV
REAR_AV
C1643
D1619
R1654 47pF
30V
50V
75
REAR_AV REAR_AV
JK1604
PPJ233-01
[RD]E-LUG
5C
[RD]O-SPRING
4C
[RD]CONTACT
3C
L-MONO
[WH]C-LUG
4B
[YL]CONTACT
3A
D1625
[YL]O-SPRING 5.6V
4A
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
[GN]GND COM_GND
11
21
10 SYNC_IN
[GN]G
20
SYNC_OUT
9
19
[GN]C_DET
SYNC_GND2
8 18
[BL]B SYNC_GND1
17
7 RGB_IO
[RD]R
16
R_OUT
6
15
[WH]L_IN
RGB_GND
5 14
R_GND
[RD]R_IN
13
R4221
4 D2B_OUT
0
[RD]MONO EU_OPT
12
G_OUT
13
11
D2B_IN
P P J - 2 3 0 - 0 1
10
JK1601
G_GND
COMPONENT1
9
ID
8
B_OUT
7
AUDIO_L_IN
6
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3
AUDIO_R_IN
2
AUDIO_R_OUT
1
PSC008-01
JK1602
F u l l S c a r t / C o m p 1
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
AV_CVBS_IN COMPONENT2
C1648
220pF
50V
+3.3V_Normal
OPT
R1660
10K
REAR_AV
AV_CVBS_DET
R1666
1K
REAR_AV
D1624
C1646
5.6V
0 . 1 u F
OPT
16V
REAR_AV
REAR_AV
R1685
10K
AV_R_IN
L1609
120-ohm C1663
R1671
REAR_AV
330pF
470K
50V
REAR_AV REAR_AV
L1610 REAR_AV
120-ohm R1684
10K
AV_L_IN
REAR_AV
C1662 R1688
330pF 12K
50V REAR_AV
REAR_AV
+3.3V_Normal
R1613
10K
SC1/COMP1_DET
R1614
1K
D1611
C1607
5.6V 0 . 1 u F
16V
OPT
EU_OPT
R4210
0
SC1_SOG_IN
EU_OPT
ISA1530AC1
Q1601
SC1_CVBS_IN
EU_OPT EU_OPT C1608
R1609 C1604
220pF
47pF
75
50V
50V
OPT
D1602
30V
OPT
EU_OPT
EU_OPT
D1610
R1628
C1620
30V 75
D1603
100uF
30V
OPT 16V
OPT
EU_OPT
EU_OPT R1627
SC1_R+/COMP1_Pr+ 22
R1616
D1604
R1608 75
30V
75
OPT
SC1_G+/COMP1_Y+
30V
D1605
30V R1604
D1716
75
OPT EU_OPT
D1618
R1623 EU_OPT
SC1_B+/COMP1_Pb+
30V 15K R1629
D1606 3.9K
R1605
30V
75
R1617
10K
L1604
D1607 R1606 C1611
120-ohm R1630
470K
5.6V 330pF 12K
NON_EU 50V
R1618
10K
L1603
D1609
120-ohm
C1612
5.6V R1631
R1607 330pF 12K
NON_EU
470K 50V
EU_OPT
D1608 EU_OPT EU_OPT
L1601 C1609
5.6V C1618
BLM18PG121SN1D
OPT 1000pF 4700pF
50V
EU_OPT EU_OPT
D1601 EU_OPT
L1602
C1619
5.6V
BLM18PG121SN1D C1610
4700pF
OPT
1000pF
50V
+3.3V_Normal
R1612
R1615
10K
1K
D1613
5.6V
OPT
[GN]E-LUG
6A R1619
75
[GN]O-SPRING
D1612
5A
30V
[GN]CONTACT
4A
[BL]E-LUG-S
D1614 30V
R1620
7B
[BL]O-SPRING 75
5B
[RD]E-LUG-S
7C R1621
[RD]O-SPRING_1 75
D1615
5C
30V
[WH]O-SPRING
R1633
5D 10K
[RD]CONTACT
C1616
4E D1616 R1625
5.6V 1000pF
[RD]O-SPRING_2 470K
50V
OPT
5E
[RD]E-LUG
R1632
10K
6E
PPJ234-01
C1617
JK1603 D1617
5.6V R1626 1000pF
REAR_COMP2
470K 50V
OPT
IN CASE OF SMALL= 15V
+12V/+15V
EU_OPT
L1606
EU_OPT
EU_OPT
EU_OPT C1625
E
R1640 C1623
470 0 . 1 u F
0 . 1 u F
50V 50V
B
EU_OPT EU_OPT
C
Q1602 R1641
EU_OPT
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
Gain=1+Rf/Rg
SC1_FB
CLOSE TO MSTAR
+12V/+15V
R4219
SCART1_Lout
REC_8 C1642
0 . 1 u F
R4216
50V SCART1_Rout
SC1_ID
EU_OPT
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
DTV/MNT_R_OUT
R1648
2K
DTV/MNT_R_OUT
EU_OPT
Q1608
EU_OPT
2SC3052
R1650
2K
COMP2_DET
COMP2_Y+
COMP2_Pb+
COMP2_Pr+
COMP2_L_IN
R1636
12K
COMP2_R_IN
R1634
12K
IC1601-*1
SN324
OUT1 OUT4
1 14
EXT_SPK_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
EXT_SPK_BCD
IC1601
AS324MTR-E1
EU_OPT
R1656
OUT1 OUT4
2.2K
1 14
DTV/MNT_L_OUT
EU_OPT
EU_OPT
R1664
C1644
OPT 33K I N 1 - I N 4 -
10uF
2 13
R1662
16V
470K
EU_OPT EXT_SPK
R1667
C1664 R4218 R11
IN1+ IN4+
22K EU_OPT EU_OPT 10K 10K
0 . 0 1 u F 3 12
R1657 C1654
33pF
5.6K
100
VCC GND
4 11
EU_OPT
R1658
IN2+ IN3+
5.6K
100 5 10
EU_OPT
C1665 R1665
R4217
I N 2 - I N 3 -
0 . 0 1 u F 33K
22K 6 9
EXT_SPK
R1668 R12
10K OUT2 OUT3 10K
EU_OPT
C1655 7 8
R1655
33pF
2.2K
DTV/MNT_R_OUT
EU_OPT
EU_OPT
OPT
C1645
R1661
10uF
470K
16V
EU_OPT
[SCART PIN 8]
+3.5V_ST
EU_OPT
R1652
10K
EU_OPT
RT1P141C-T112
Q1610
SCART1_MUTE
3 1
EU_OPT
C1636
2
0 . 1 u F
REAR_JACK
ETHERNET FOR DVB_T2
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
EXT_SPK
EXT_SPK
R16
C13
2.2K
EXT_L_AMP_IN
EXT_SPK 1uF
50V
R10
CLOSE TO MSTAR
33K EXT_SPK
R15
470K
R20 C14
EXT_SPK EXT_SPK
22K 0 . 0 1 u F
C10 R18 100
33pF 5.6K
R23
EXT_L_AMP
EXT_SPK
R19 100
R22
5.6K
EXT_R_AMP
EXT_SPK
R13 R21 C15
33K
22K 0 . 0 1 u F
EXT_SPK
EXT_SPK
R17 EXT_SPK
C11
2.2K C12
33pF
EXT_R_AMP_IN
1uF
EXT_SPK
50V
R14
470K
+12V/+15V
IN CASE OF SMALL= 15V
OPT
R1687
10K C
B OPT
OPT
OPT
R1675 Q1615
2K R1677
2SC3052
OPT
10K
R1695 E
R4207
12K
51K
OPT
OPT C
R1680 REC_8
B
SC_RE1 1K
OPT
Q1613
OPT E
2SC3052
R1676
560
C
OPT
B Q1611
SC_RE2
2SC3052
OPT
R1681 E
OPT
R1678 1K
680
GP2R 20101023
17
LGE Internal Use Only