LG 26LU30D (CHASSIS:LD01B) Service Manual ▷ View online
THERMAL
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.
L502
BLM18PG121SN1D
0.1uF
C519
50V
C506
1000pF
50V
C530
390pF
50V
AUD_MASTER_CLK
C528
10uF
35V
10uF
35V
L504
BLM18PG121SN1D
0.01uF
C542
50V
OPT
+1.8V_AMP
C502
0.1uF
16V
C525
22000pF
50V
R517
10K
C518
22000pF
50V
R529
4.7K
SPK_R+
C520
1uF
25V
C529
390pF
50V
AMP_SCL
D504
100V
1N4148W
OPT
C508
1000pF
50V
C522
1uF
25V
SPK_L-
0.1uF
C527
50V
0.1uF
C539
50V
+3.5V_ST
0.01uF
C540
50V
OPT
R503
100
C531
390pF
50V
R505
100
AUD_LRCH
+24V
SPK_R+
C534
0.47uF
50V
D501
100V
1N4148W
OPT
D503
100V
1N4148W
OPT
R514
100
R530
4.7K
SPK_L+
C512
1uF
25V
C532
390pF
50V
C517
1uF
25V
SPK_R-
R532
3.3
OPT
R513
0
0
OPT
C504
100pF
50V
0.1uF
C536
50V
AMP_MUTE
R508
3.3K
AMP_SDA
R534
3.3
OPT
R528
4.7K
SPK_R-
R533
3.3
OPT
AUD_LRCK
L501
BLM18PG121SN1D
+1.8V_AMP
0.1uF
C537
50V
R504
100
POWER_DET
R531
3.3
OPT
C535
0.47uF
50V
AMP_RESET_N
C521
10uF
35V
10uF
35V
C524
22000pF
50V
0.1uF
C538
50V
R527
4.7K
0.01uF
C541
50V
OPT
+1.8V_AMP
C514
22000pF
50V
D502
100V
1N4148W
OPT
AUD_SCK
0.01uF
C543
50V
OPT
0.1uF
C515
50V
SPK_L+
+24V
R515
10K
0.1uF
C513
16V
0.1uF
C509
0.1uF
C505
16V
SPK_L-
0.1uF
C526
50V
Q501
2SC3052
E
B
C
+3.3V_Normal
C516
1000pF
50V
1000pF
50V
R535
3.3
3.3
OPT
C547
0.01uF
50V
0.01uF
50V
OPT
AMP_MUTE_HOTEL
C501
10uF
10V
OPT
C503
10uF
10V
OPT
C511
10uF
10uF
10V
OPT
R526
12
R522
12
R520
12
R525
12
R519
12
R524
12
R521
12
R523
12
C546
22pF
50V
22pF
50V
OPT
C545
22pF
50V
22pF
50V
OPT
C544
22pF
50V
22pF
50V
OPT
TP502
R538
0
0
R537
0
0
R539
0
0
R536
0
0
C434
0.1uF
16V
0.1uF
16V
+1.8V_AMP
+3.3V_Normal
C421
10uF
10V
10uF
10V
IC404
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
C446
0.1uF
16V
0.1uF
16V
R474
1
L507
AD-9060
15uH
2S
1S
1F
2F
L506
AD-9060
15uH
2S
1S
1F
2F
IC501
NTP-7000
EAN60969601
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
C507
18pF
50V
18pF
50V
C510
18pF
50V
18pF
50V
R506
33
R507
33
P502
SMAW250-04
SPK_NORMAL
1
2
3
4
P501
SPK_SLIM
WAFER-ANGLE
1
2
3
4
SPEAKER_L
SPEAKER_R
AUDIO[NTP]
GP2_Saturn7M
Ver. 1.1
Vd=1.4V
120 mA
38
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
+5V_USB
R2305
0
+3.3V_Normal
L2301
MLB-201209-0120P-N2
120-ohm
R2306
0
D2301
5.6V
CDS3C05HDMI1
OPT
R2303
4.7K
OPT
4.7K
OPT
IC2301
MIC2009YM6-TR
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
C2302
10uF
10V
C2304
0.1uF
C2303
10uF
10V
10uF
10V
SIDE_USB_DM
SIDE_USB_DP
R2304
0
R2301
180
USB1_CTL
D2302
5.6V
CDS3C05HDMI1
OPT
USB1_OCD
R2302
47
R2307
10K
10K
/RST_HUB
TP2301
J
K
2
3
0
1
K
J
A
-
U
B
-
4
-
0
0
0
4
@optio
1
2
3
4
5
USB1 OPTION
USB_MICREL
$0.125
GP2_Saturn7M
USB
Ver. 1.0
39
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.
R1634
12K
DTV/MNT_L_OUT
C1625
0.1uF
0.1uF
50V
EU_OPT
COMP2_Pr+
R1678
680
680
OPT
AV_CVBS_DET
+3.3V_Normal
C1663
330pF
50V
R1625
470K
470K
R1640
470
EU_OPT
D1605
30V
R1684
10K
10K
R1609
75
75
EU_OPT
Q1611
2SC3052
2SC3052
EU_OPT
E
B
C
R1621
75
COMP2_Y+
R1671
470K
R1627
22
EU_OPT
D1611
5.6V
OPT
C1620
100uF
16V
100uF
16V
EU_OPT
R1622
0
0
EU_OPT
C1603
10pF
10pF
OPT
L1609
120-ohm
D1618
30V
OPT
DTV/MNT_VOUT
L1601
BLM18PG121SN1D
BLM18PG121SN1D
EU_OPT
Q1613
2SC3052
2SC3052
EU_OPT
E
B
C
COMP2_L_IN
SCART1_MUTE
D1606
30V
D1602
30V
OPT
D1626
5.6V
0
R1659
C1613
10pF
50V
10pF
50V
OPT
R1620
75
C1604
47pF
50V
47pF
50V
EU_OPT
+3.3V_Normal
C1618
4700pF
4700pF
EU_OPT
D1612
30V
R1654
75
75
R1666
1K
DTV/MNT_L_OUT
R1638
0
0
COMP2_Pb-
AV_L_IN
Q1601
ISA1530AC1
EU_OPT
E
B
C
R1628
75
75
EU_OPT
REC_8
R1648
2K
2K
EU_OPT
R1676
560
560
OPT
+12V/+15V
R1618
10K
10K
D1616
5.6V
L1602
BLM18PG121SN1D
BLM18PG121SN1D
EU_OPT
SC1_G-/COMP1_Y-
C1621
47uF
16V
47uF
16V
EU_OPT
R1690
0
0
EU_OPT
R1637
0
0
SC1/COMP1_DET
R1619
75
75
D1610
30V
OPT
DTV/MNT_R_OUT
DTV/MNT_R_OUT
R1631
12K
12K
C1659
OPT
OPT
R1645
0
EU_OPT
R1639
180
EU_OPT
D1601
5.6V
OPT
D1607
5.6V
OPT
R1632
10K
10K
D1603
30V
OPT
SC1_CVBS_IN
C1662
330pF
50V
330pF
50V
L1603
120-ohm
+3.3V_Normal
C1642
0.1uF
50V
0.1uF
50V
EU_OPT/CHINA_HOTEL_OPT
R4202
0
EU_OPT
2SC3052
Q1608
EU_OPT
R1636
12K
C1611
330pF
50V
330pF
50V
SC_RE2
R1641
47K
47K
EU_OPT
R1669
0
0
EU_OPT
D1619
30V
C1614
10pF
50V
OPT
SC1_ID
C1615
10pF
50V
OPT
D1613
5.6V
SC1_B+/COMP1_Pb+
L1606
EU_OPT
SC1_R+/COMP1_Pr+
COMP2_Pr-
+12V/+15V
R1689
12K
2SC3052
Q1607
EU_OPT
R1633
10K
10K
R1672
470K
R1685
10K
10K
COMP2_R_IN
C1602
10pF
10pF
OPT
C1658
OPT
OPT
JK1601
PPJ-230-01
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
R1642
15K
15K
EU_OPT
Q1615
2SC3052
2SC3052
EU_OPT
E
B
C
Q1602
2SC3052
2SC3052
EU_OPT
E
B
C
R1616
75
75
EU_OPT
C1612
330pF
50V
R1617
10K
10K
R1607
470K
R1601
0
SC1/COMP1_L_IN
R1614
1K
C1648
220pF
50V
220pF
50V
OPT
R1605
75
C1606
OPT
R1608
75
75
C1623
0.1uF
0.1uF
50V
EU_OPT
R1675
2K
OPT
R1688
12K
R1650
2K
EU_OPT
D1615
30V
C1610
1000pF
50V
EU_OPT
COMP2_Y-
SC1_FB
SC1/COMP1_R_IN
C1601
10pF
10pF
OPT
R1604
75
D1625
5.6V
0
R1611
EU_OPT
C1607
0.1uF
16V
0.1uF
16V
C1616
1000pF
50V
1000pF
50V
D1608
5.6V
OPT
5.6V
D1617
SC1_G+/COMP1_Y+
SC1_R-/COMP1_Pr-
R1630
12K
12K
D1614
30V
L1610
120-ohm
R1677
10K
10K
EU_OPT
R1695
12K
12K
EU_OPT
COMP2_DET
R1652
10K
C1608
220pF
50V
OPT
220pF
50V
OPT
C1643
47pF
50V
47pF
50V
C1636
0.1uF
0.1uF
EU_OPT
L1604
120-ohm
C1646
0.1uF
16V
0.1uF
16V
R1615
1K
1K
R1680
1K
EU_OPT
C1609
1000pF
50V
50V
EU_OPT
C1619
4700pF
4700pF
EU_OPT
+12V/+15V
R1624
0
0
EU_OPT
D1609
5.6V
OPT
C1617
1000pF
50V
1000pF
50V
COMP2_Pb+
SC1_B-/COMP1_Pb-
+3.5V_ST
SC_RE1
Q1610
RT1P141C-T112
EU_OPT
1
2
3
C1605
OPT
AV_R_IN
R4207
51K
51K
19-22_LAMP
D1604
30V
R1626
470K
R1606
470K
AV_CVBS_IN
R1602
0
R1681
1K
EU_OPT
R1694
10K
OPT
JK1603
PPJ234-01
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
R1660
10K
10K
R1613
10K
R1612
10K
R1623
15K
15K
EU_OPT
R1629
3.9K
3.9K
EU_OPT
REC_8
D1716
30V
EU_OPT
SC1_SOG_IN
0
R4210
EU_OPT
IC1601
LM324D
LM324D
EU_OPT/CHINA_HOTEL_OPT
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
VEE/GND
12
IN4+
13
IN4-
14
OUT4
SCART1_Rout
R1658
5.6K
5.6K
EU_OPT/CHINA_HOTEL_OPT
R1657
5.6K
5.6K
EU_OPT
SCART1_Lout
R1667
10K
10K
EU_OPT
R1656
2.2K
2.2K
EU_OPT
C1654
33pF
EU_OPT
R1662
470K
470K
OPT
R1664
33K
33K
EU_OPT
C1644
10uF
16V
10uF
16V
EU_OPT
R1665
33K
33K
EU_OPT/CHINA_HOTEL_OPT
R1661
470K
470K
OPT
R1655
2.2K
2.2K
EU_OPT/CHINA_HOTEL_OPT
C1645
10uF
16V
10uF
16V
EU_OPT/CHINA_HOTEL_OPT
C1655
33pF
EU_OPT/CHINA_HOTEL_OPT
R1668
10K
EU_OPT/CHINA_HOTEL_OPT
JK1604
PPJ233-01
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
R1635
390
390
EU_OPT
R4211
390
390
EU_OPT
R4212
0
HOTEL_OPT
AUDIO_R
R4213 0
R4214 0
R4215
0
C1665
0.01uF
R4216
100
R4217
22K
R4219
100
C1664
0.01uF
R4218
22K
R4221
0
EU_OPT
JK1602
PSC008-01
EU_OPT
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
D1624
5.6V
5.6V
R4223 0
R1687
10K
10K
EU_OPT
DTV/MNT_R_OUT
DTV/MNT_L_OUT
R1603
0
R4205
0
0
SCART/RCA
GP2_Saturn7M
Rf
STATUS
China : Using
NAME
AV_OPT
Full Scart/ Comp1
CHINA_OPT
China : Using
Composite
COMPONENT2
EU :Using
EU_OPT
Rg
OPTION TABLE
[SCART PIN 8]
For EU & CHINA
EU : Not Using
EU : Not Using
China:NotUsing
Gain=1+Rf/Rg
[SCART AUDIO MUTE]
CLOSE TO MSTAR
Ver. 1.1
41
IN CASE OF SMALL= 15V
IN CASE OF SMALL= 15V
FOR ESD & EMI
FOR ESD & EMI
FOR ESD & EMI
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.
BT_LOUT
BT_DM
BT_ON/OFF
BT_DP
GP2_Saturn7M
NON B/T
NOT USING B/T
Ver. 1.0
44
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