LG 32LK330 / 32LK331 / 32LK334C (CHASSIS:LJ01U) 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.
47pF
50V
50V
EU_OPT
C1604
DTV/MNT_L_OUT
10K
OPT
R1677
+3.5V_ST
2K
OPT
R1675
10K
R1618
10K
R1632
120-ohm
L1604
100
R4216
AV_CVBS_IN
390
EU_OPT
R1635
2.2K
EU_OPT
R1655
15K
EU_OPT
R1623
12K
R1689
REAR_AV
22
EU_OPT
R1627
470K
R1607
5.6K
EU_OPT
R1657
12K
R1636
5.6V
NON_EU
D1609
33K
EU_OPT
R1665
560
OPT
R1676
2SC3052
OPT
Q1611
E
B
C
DTV/MNT_R_OUT
REC_8
SC1/COMP1_R_IN
30V
OPT
D1618
0 . 0 1 u F
C1665
220pF
50V
50V
OPT
C1608
P P J 2 3 3 - 0 1
JK1604
REAR_AV
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
3.9K
EU_OPT
R1629
75
R1605
5.6K
EU_OPT
R1658
COMP2_Y+
30V
D1615
0 . 1 u F
16V
16V
C1646
REAR_AV
1K
OPT
R1680
1000pF
50V
50V
EU_OPT
C1609
470K
R1606
SC1_R+/COMP1_Pr+
BLM18PG121SN1D
EU_OPT
L1601
2SC3052
OPT
Q1613
E
B
C
DTV/MNT_R_OUT
+3.3V_Normal
P P J 2 3 4 - 0 1
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
5D
[WH]O-SPRING
4E
[RD]CONTACT
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
5.6V
D1624
OPT
10K
EU_OPT
R1667
22K
R4218
4700pF
EU_OPT
C1619
330pF
50V
C1663
REAR_AV
10K
R1613
220pF
50V
50V
OPT
C1648
30V
D1614
EU_OPT
L1606
390
R4211
EU_OPT
75
R1620
75
R1621
22K
R4217
0
COMPONENT1
R4223
SC1_B+/COMP1_Pb+
SCART1_Rout
COMP2_R_IN
180
EU_OPT
R1639
SCART1_MUTE
75
R1608
0 . 1 u F
EU_OPT
C1636
SC1_ID
10K
R1617
470K
OPT
R1662
75
EU_OPT
R1609
5.6V
D1613
OPT
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
30V
OPT
D1603
10K
R1652
EU_OPT
BLM18PG121SN1D
EU_OPT
L1602
75
R1619
DTV/MNT_VOUT
0 . 1 u F
16V
16V
C1607
120-ohm
L1609
REAR_AV
+3.3V_Normal
2SC3052
EU_OPT
Q1608
30V
REAR_AV
D1619
2SC3052
EU_OPT
Q1602
E
B
C
SC1/COMP1_L_IN
DTV/MNT_L_OUT
COMP2_Pr+
680
OPT
R1678
0 . 1 u F
50V
50V
EU_OPT
C1642
SC1_G+/COMP1_Y+
1K
R1615
+12V/+15V
5.6V
OPT
OPT
D1608
1000pF
50V
50V
C1617
OPT
30V
D1605
10uF
16V
16V
EU_OPT
C1645
0 . 1 u F
50V
EU_OPT
C1625
COMP2_DET
470K
R1672
REAR_AV
33K
EU_OPT
R1664
4700pF
EU_OPT
C1618
10K
EU_OPT
R1668
SC1/COMP1_DET
10uF
16V
16V
EU_OPT
C1644
0
EU_OPT
R4221
330pF
50V
50V
C1662
REAR_AV
AV_L_IN
5.6V
NON_EU
D1607
330pF
50V
C1612
DTV/MNT_L_OUT
5.6V
OPT
OPT
D1601
COMP2_Pb+
30V
D1716
OPT
30V
OPT
D1602
+12V/+15V
47uF
16V
16V
EU_OPT
C1621
0
EU_OPT
R4210
100uF
16V
16V
EU_OPT
C1620
DTV/MNT_R_OUT
SC_RE1
10K
R1685
REAR_AV
AV_CVBS_DET
REC_8
470K
R1626
0 . 0 1 u F
C1664
2SC3052
EU_OPT
Q1607
ISA1530AC1
EU_OPT
Q1601
E
B
C
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
120-ohm
L1610
REAR_AV
100
R4219
47K
EU_OPT
R1641
SCART1_Lout
30V
OPT
D1610
470K
R1625
1K
R1666
REAR_AV
120-ohm
L1603
30V
D1606
5.6V
D1617
75
R1604
12K
R1630
75
EU_OPT
R1616
SC1_CVBS_IN
33pF
EU_OPT
C1655
5.6V
D1616
1000pF
50V
50V
EU_OPT
C1610
0 . 1 u F
50V
EU_OPT
C1623
10K
R1612
SC1_SOG_IN
12K
R1631
12K
R1634
2SC3052
OPT
Q1615
E
B
C
2.2K
EU_OPT
R1656
10K
R1684
REAR_AV
12K
OPT
R1695
+3.3V_Normal
51K
OPT
R4207
1K
OPT
R1681
33pF
EU_OPT
C1654
75
EU_OPT
R1628
SC_RE2
470
EU_OPT
R1640
1K
R1614
5.6V
REAR_AV
D1626
10K
R1660
REAR_AV
330pF
50V
50V
C1611
15K
EU_OPT
R1642
2K
EU_OPT
R1648
AV_R_IN
+12V/+15V
75
R1654
REAR_AV
470K
OPT
R1661
470K
R1671
REAR_AV
5.6V
OPT
D1611
COMP2_L_IN
10K
R1633
10K
OPT
R1687
30V
D1612
5.6V
REAR_AV
D1625
47pF
50V
50V
C1643
REAR_AV
RT1P141C-T112
EU_OPT
Q1610
1
2
3
30V
D1604
12K
R1688
REAR_AV
2K
EU_OPT
R1650
SC1_FB
ET_RXD1
/RST-PHY
ET_CRS
ET_TX_EN
ET_TXD1
ET_MDIO
ET_RXER
ET_REF_CLK
ET_RXD0
ET_MDC
ET_TXD0
TP1610
TP1611
TP1612
TP1613
TP1614
TP1615
TP1616
TP1617
TP1618
TP1619
TP1620
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_IN
11
GND
12
NON_INV_IN
13
INV_IN4
14
OUT4
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
IN CASE OF SMALL= 15V
[SCART AUDIO MUTE]
CLOSE TO MSTAR
L-MONO
COMPONENT2
[SCART PIN 8]
Rg
Rf
Rear AV
Gain=1+Rf/Rg
F u l l S c a r t / C o m p 1
IN CASE OF SMALL= 15V
ETHERNET FOR DVB_T2
REAR_JACK
20101023
17
GP2R
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.
10K
SIDE_CVBS
R9913
KJA-PH-1-0177
SIDE_COMP
JK9902
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
ADMC5M03200L_AMODIODE
5.6V
SIDE_CVBS
D9903
1K
SIDE_CVBS
R9915
30V
SIDE_COMP
D9905
10K
SIDE_CVBS
R9911
ADUC30S03010L_AMODIODE
30V
SIDE_CVBS
D9901
COMP2_DET
BLM18PG121SN1D
SIDE_CVBS
L9901
30V
SIDE_COMP
D9907
+3.3V_Normal
COMP2_Pb+
12K
SIDE_CVBS
R9917
P P J 2 3 5 - 0 1
SIDE_AV_3HOLE
JK9903
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A [YL]CONTACT
4B
[WH]O-SPRING
3C [RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
30V
SIDE_COMP
D9906
10K
SIDE_CVBS
R9914
100pF
50V
SIDE_CVBS
C9906
SIDEAV_R_IN
470K
SIDE_CVBS
R9906
5.6V
OPT
D9908
470K
SIDE_CVBS
R9905
1K
SIDE_COMP
R9912
BLM18PG121SN1D
SIDE_CVBS
L9902
100pF
50V
SIDE_CVBS
C9905
12K
SIDE_CVBS
R9916
SIDEAV_L_IN
KJA-PH-1-0177
SIDE_AV_GENDER
JK9901
3
M3_DETECT
4
M4
5
M5_GND
1
M1
6
M6
SIDEAV_DET
75
SIDE_COMP
R9909
BLM18PG121SN1D
SIDE_CVBS
L9903
ADMC5M03200L_AMODIODE
5.6V
SIDE_CVBS
D9904
SIDEAV_CVBS_IN
ADMC5M03200L_AMODIODE
5.6V
OPT
D9902
75
SIDE_COMP
R9910
+3.3V_Normal
COMP2_Y+
75
SIDE_CVBS
R9907
75
SIDE_COMP
R9908
100pF
OPT
C9907
COMP2_Pr+
10K
SIDE_COMP
R9904
100pF
SIDE_CVBS
C9901
( N e w I t e m D e v e l o p m e n )
( N e w I t e m D e v e l o p m e n t )
SIDE CVBS PHONE JACK
SIDE COMPONENT PHONE JACK
SIDE_JACK
20101023
18
GP2R
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.
CI_MDI[4]
CI_OE
CI_TS_DATA[3]
10067972-000LF
EAG41860102
P1901
CI_SLOT_JACK
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
69
33
AR1903
CI_TS_DATA[6]
CI_DATA[0-7]
10uF
10V
10V
C1906
/PCM_CE
22K
R1914
CI_DET
CI_ADDR[3]
+3.3V_Normal
100
R1907
33
AR1912
CI_MDI[5]
CI_DET
/CI_CD2
REG
CI_MDI[2]
PCM_A[13]
CI_ADDR[0-14]
FE_TS_SYNC
CI_WE
CI_DATA[0-7]
GND
0.1uF
C1902
CI_MDI[0]
CI_TS_DATA[4]
CI_ADDR[6]
/PCM_IORD
RSR025P03
Q1902
S
D
G
CI_ADDR[10]
0 . 1 u F
16V
16V
C1912
OPT
CI_MISTRT
/PCM_CD
0 . 1 u F
C1905
+3.3V_CI
CI_ADDR[1]
CI_TS_SYNC
FE_TS_VAL_ERR
CI_MDI[7]
GND
CI_TS_CLK
PCM_A[8]
33
AR1913
CI_TS_DATA[7]
CI_TS_DATA[2]
CI_ADDR[2]
+3.3V_CI
CI_MDI[7]
0.1uF
C1901
OPT
100
R1920
0
OPT
R1909
+5V_CI_ON
33
AR1905
CI_OE
BLM18PG121SN1D
L1902
47
R1901
CI_MDI[6]
CI_MDI[2]
/PCM_WAIT
CI_ADDR[4]
0 . 1 u F
16V
16V
C1903
CI_TS_DATA[5]
/PCM_IOWR
PCM_A[12]
10K
R1924
CI_TS_DATA[1]
CI_ADDR[12]
10K
OPT
R1923
GND
33
AR1906
PCM_A[11]
/CI_CD1
/PCM_OE
CI_IORD
10K
R1913
CI_IOWR
33
AR1909
CI_MISTRT
47
R1915
10K
R1917
+3.3V_CI
+5V_Normal
+5V_Normal
CI_MDI[6]
CI_ADDR[9]
33
AR1907
10K
R1912
OPT
PCM_A[1]
PCM_A[7]
/PCM_IRQA
33
AR1904
100
R1908
10K
R1906
CI_MCLKI
CI_ADDR[7]
PCM_A[2]
CI_MDI[3]
0 . 1 u F
C1909
0
OPT
R1910
0 . 1 u F
16V
16V
C1913
/CI_CD2
/PCM_WE
PCM_A[5]
GND
TOSHIBA
TC74LCX244FT
0ITO742440D
IC1902
3
2Y4
2
1A1
4
1A2
1
1OE
6
1A3
5
2Y3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2OE
20
VCC
GND
CI_MDI[0]
47
R1918
0
OPT
R1916
FE_TS_CLK
CI_ADDR[8]
CI_WE
CI_TS_VAL
4 . 7 u F
16V
16V
C1911
0.1uF
16V
C1908
OPT
CI_ADDR[11]
10K
R1904
0 . 1 u F
16V
16V
C1904
PCM_A[0]
33
AR1901
REG
CI_ADDR[14]
FE_TS_DATA[0-7]
CI_IORD
CI_MCLKI
PCM_A[14]
10K
R1921
33
AR1902
CI_MDI[3]
33
AR1908
CI_TS_DATA[0]
/PCM_REG
47
R1919
CI_MDI[1]
BLM18PG121SN1D
L1901
CI_MIVAL_ERR
0 . 1 u F
16V
16V
C1907
10K
R1905
PCM_A[10]
CI_ADDR[0]
CI_ADDR[13]
CI_MIVAL_ERR
0.1uF
16V
C1910
CI_MDI[1]
PCM_A[9]
PCM_5V_CTL
2SC3052
Q1901
E
B
C
CI_IOWR
CI_ADDR[5]
PCM_A[6]
2.2K
R1922
+5V_CI_ON
GND
CI_MDI[5]
/CI_CD1
PCM_A[3]
PCM_D[0-7]
+5V_Normal
PCM_A[4]
CI_MDI[4]
PCM_RST
10K
R1903
47
R1902
+3.3V_CI
10067972-050LF
P1902
CI_SLOT_JACK_LV3400
G1
G2
57
21
52
16
10
47
41
5
36
59
23
45
54
18
49
43
13
7
38
2
25
56
20
51
15
9
46
40
4
35
58
22
53
17
11
48
42
12
6
37
1
24
55
19
50
44
14
8
39
3
26
60
27
61
28
62
29
63
30
64
31
32
33
34
65
66
67
68
74LVC1G32GW
IC1901
CI_SLOT_OR_GATE_NXP
3
GND
2
A
4
Y
1
B
5
VCC
CI_DATA[4]
CI_ADDR[2]
CI_ADDR[4]
CI_DATA[4]
FE_TS_DATA[5]
CI_DATA[0-7]
CI_DATA[0-7]
CI_ADDR[5]
CI_DATA[5]
PCM_D[7]
CI_DATA[0]
CI_ADDR[10]
CI_DATA[5]
CI_ADDR[9]
PCM_D[0-7]
PCM_D[6]
FE_TS_DATA[4]
PCM_D[3]
CI_DATA[2]
CI_ADDR[1]
FE_TS_DATA[3]
CI_DATA[6]
PCM_D[1]
CI_DATA[2]
CI_DATA[1]
PCM_D[0]
CI_DATA[6]
FE_TS_DATA[0]
CI_ADDR[3]
FE_TS_DATA[7]
CI_ADDR[6]
CI_ADDR[0]
FE_TS_DATA[1]
CI_ADDR[14]
CI_DATA[3]
CI_ADDR[8]
CI_DATA[0-7]
CI_DATA[7]
CI_DATA[0]
CI_ADDR[12]
CI_DATA[7]
CI_ADDR[11]
CI_DATA[3]
PCM_D[5]
CI_ADDR[7]
FE_TS_DATA[2]
PCM_D[4]
FE_TS_DATA[6]
CI_DATA[1]
CI_ADDR[13]
PCM_D[2]
CI HOST I/F
CI DETECT
* O p t i o n n a m e o f t h i s p a g e : C I _ S L O T
C I R e g i o n
CI POWER ENABLE CONTROL
CI SLOT
( b e c a u s e o f H o n g K o n g )
CI TS INPUT
PCMCI
20101023
20
GP2R
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.
MDS62110205
7.5T_GAS
GAS4-*2
MDS61887710
9.5T_GAS
GAS4-*3
MDS62110205
7.5T_GAS
GAS2-*2
MDS61887710
9.5T_GAS
GAS1-*3
MDS62110206
6.5T_GAS
GAS2
MDS61887710
9.5T_GAS
GAS3-*3
MDS61887708
12.5T_GAS
GAS1-*4
MDS61887708
12.5T_GAS
GAS4-*4
MDS62110206
6.5T_GAS
GAS4
MDS62110204
5.5T_GAS
GAS3-*1
MDS62110204
5.5T_GAS
GAS4-*1
MDS62110206
6.5T_GAS
GAS1
MDS62110206
GAS3
6.5T_GAS
MDS61887708
12.5T_GAS
GAS3-*4
MDS62110205
7.5T_GAS
GAS1-*2
MDS62110205
7.5T_GAS
GAS3-*2
MDS61887708
12.5T_GAS
GAS2-*4
MDS62110204
5.5T_GAS
GAS1-*1
MDS62110204
5.5T_GAS
GAS2-*1
MDS61887710
9.5T_GAS
GAS2-*3
MDS61887710
9.5T_GAS
GAS5-*3
MDS61887708
12.5T_GAS
GAS5-*4
MDS62110206
6.5T_GAS
GAS5
MDS62110205
7.5T_GAS
GAS5-*2
MDS62110204
5.5T_GAS
GAS5-*1
MDS62110209
GAS1-*5
8.5T_GAS
MDS62110209
GAS2-*5
8.5T_GAS
MDS62110209
GAS3-*5
8.5T_GAS
MDS62110209
GAS4-*5
8.5T_GAS
MDS62110209
GAS5-*5
8.5T_GAS
MDS61887710
9.5T_GAS
GAS6-*3
MDS61887708
12.5T_GAS
GAS6-*4
MDS62110209
8.5T_GAS
GAS6-*5
MDS62110206
6.5T_GAS
GAS6
MDS62110205
7.5T_GAS
GAS6-*2
MDS62110204
5.5T_GAS
GAS6-*1
MDS62110206
6.5T_GAS
GAS7
MDS62110205
7.5T_GAS
GAS7-*2
MDS61887710
9.5T_GAS
GAS7-*3
MDS62110209
8.5T_GAS
GAS7-*5
MDS61887708
12.5T_GAS
GAS7-*4
MDS62110204
5.5T_GAS
GAS7-*1
SMD GASKET
SMD_GAS
20101023
20
GP2R
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