LG 26LD320H (CHASSIS:LB0AW) 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
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
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
1
2
3
4
SPEAKER_L
SPEAKER_R
AUDIO[NTP]
Ver. 1.1
Vd=1.4V
120 mA
16
EAX62115501
U
S
B
D
O
W
N
S
T
R
E
A
M
USB DOWN STREAM
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
26~42"
+3.3V_Normal
L2301
MLB-201209-0120P-N2
120-ohm
26~42"
R2306
0
26~42"
D2301
5.6V
CDS3C05HDMI1
26~42"
R2303
4.7K
4.7K
26~42"
IC2301
MIC2009YM6-TR
26~42"
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
C2302
10uF
10V
26~42"
C2304
0.1uF
26~42"
C2303
10uF
10V
10uF
10V
26~42"
SIDE_USB_DM
SIDE_USB_DP
R2304
0
26~42"
R2301
180
26~42"
USB1_CTL
D2302
5.6V
CDS3C05HDMI1
26~42"
USB1_OCD
R2302
47
26~42"
R2307
10K
10K
26~42"
J
K
2
3
0
1
K
J
A
-
U
B
-
4
-
0
0
0
4
26~42"
1
2
3
4
5
D2303
5.6V
CDS3C05HDMI1
22"
P2302
UB01123-4HHS-4F
22"
1
2
3
4
5
D2304
5.6V
CDS3C05HDMI1
22"
REAR_USB_DP
REAR_USB_DM
R2310
0
22"
R2311
0
22"
+5V_Normal
R2308
180
22"
USB1_CTL
R2309
0
22"
+3.3V_Normal
USB1_OCD
IC2302
MIC2009YM6-TR
22"
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
C2305
10uF
10V
10uF
10V
22"
R2312
4.7K
22"
4.7K
22"
C2306
0.1uF
22"
C2307
10uF
10V
22"
R2313
47
22"
R2314
10K
10K
22"
L2302
MLB-201209-0120P-N2
120-ohm
22"
USB1 OPTION
USB_SIDE
$0.125
USB
Ver. 1.0
17
USB REAR
EAX62115501
$0.125
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
COMP2_Pr+
+3.3V_Normal
R1625
470K
470K
R1640
470
D1605
30V
R1609
75
75
R1621
75
COMP2_Y+
R1627
22
D1611
5.6V
OPT
C1620
100uF
16V
100uF
16V
R1622
0
0
C1603
10pF
10pF
OPT
D1618
30V
OPT
DTV/MNT_VOUT
L1601
BLM18PG121SN1D
BLM18PG121SN1D
COMP2_L_IN
SCART1_MUTE
D1606
30V
D1602
30V
OPT
C1613
10pF
50V
10pF
50V
OPT
R1620
75
C1604
47pF
50V
47pF
50V
C1618
4700pF
4700pF
D1612
30V
DTV/MNT_L_OUT
R1638
0
0
COMP2_Pb-
Q1601
ISA1530AC1
E
B
C
R1628
75
75
R1648
2K
2K
+12V/+15V
R1618
10K
10K
D1616
5.6V
L1602
BLM18PG121SN1D
BLM18PG121SN1D
SC1_G-/COMP1_Y-
C1621
47uF
16V
47uF
16V
R1637
0
0
SC1/COMP1_DET
R1619
75
75
D1610
30V
OPT
DTV/MNT_R_OUT
DTV/MNT_R_OUT
R1631
12K
12K
R1645
0
R1639
180
D1601
5.6V
OPT
D1607
5.6V
OPT
R1632
10K
10K
D1603
30V
OPT
SC1_CVBS_IN
L1603
120-ohm
+3.3V_Normal
C1642
0.1uF
50V
0.1uF
50V
2SC3052
Q1608
R1636
12K
C1611
330pF
50V
330pF
50V
R1641
47K
47K
C1614
10pF
50V
OPT
SC1_ID
C1615
10pF
50V
OPT
D1613
5.6V
SC1_B+/COMP1_Pb+
L1606
SC1_R+/COMP1_Pr+
COMP2_Pr-
2SC3052
Q1607
R1633
10K
10K
COMP2_R_IN
C1602
10pF
10pF
OPT
R1642
15K
15K
Q1602
2SC3052
2SC3052
E
B
C
R1616
75
75
C1612
330pF
50V
R1617
10K
10K
R1607
470K
R1601
0
SC1/COMP1_L_IN
R1614
1K
R1605
75
C1606
OPT
R1608
75
75
C1623
0.1uF
0.1uF
50V
R1650
2K
D1615
30V
C1610
1000pF
50V
COMP2_Y-
SC1_FB
SC1/COMP1_R_IN
C1601
10pF
10pF
OPT
R1604
75
0
R1611
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
COMP2_DET
R1652
10K
C1608
220pF
50V
OPT
220pF
50V
OPT
C1636
0.1uF
0.1uF
L1604
120-ohm
R1615
1K
1K
C1609
1000pF
50V
50V
C1619
4700pF
4700pF
+12V/+15V
R1624
0
0
D1609
5.6V
OPT
C1617
1000pF
50V
1000pF
50V
COMP2_Pb+
SC1_B-/COMP1_Pb-
+3.5V_ST
Q1610
RT1P141C-T112
1
2
3
C1605
OPT
D1604
30V
R1626
470K
R1606
470K
R1602
0
R1613
10K
R1612
10K
R1623
15K
15K
R1629
3.9K
3.9K
SC1_SOG_IN
0
R4210
IC1601
LM324D
LM324D
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
R1657
5.6K
5.6K
SCART1_Lout
R1667
10K
10K
R1656
2.2K
2.2K
C1654
33pF
R1662
470K
470K
OPT
R1664
33K
33K
C1644
10uF
16V
10uF
16V
R1665
33K
33K
R1661
470K
470K
OPT
R1655
2.2K
2.2K
C1645
10uF
16V
10uF
16V
C1655
33pF
R1668
10K
R1635
390
390
R4211
390
390
R4213 0
R4214 0
R4215
0
C1665
0.01uF
R4216
100
R4217
22K
R4219
100
C1664
0.01uF
R4218
22K
R4221
0
R4224
0
DTV/MNT_R_OUT
DTV/MNT_L_OUT
R1603
0
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
JK1603
PPJ229-01
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
R1681
10K
R1673
5.6K
C1666
33pF
R1679
10K
EXT_L_AMP
C1669
10uF
16V
R1669
100
OPT
R1676
33K
R1680
470K
OPT
EXT_L_AMP_IN
C1667
33pF
R1674
2.2K
EXT_R_AMP_IN
R1671
100
R1677
100
OPT
R1672
470K
OPT
R1670
33K
R1675
2.2K
EXT_R_AMP
C1668
10uF
16V
R1682
5.6K
R1678
100
SCART/RCA
Rf
STATUS
China : Using
NAME
AV_OPT
Full Scart/ Comp1
CHINA_OPT
China : Using
COMPONENT2
EU :Using
EU_OPT
Rg
OPTION TABLE
For EU
EU : Not Using
EU : Not Using
China:NotUsing
Gain=1+Rf/Rg
[SCART AUDIO MUTE]
CLOSE TO MSTAR
Ver. 1.1
18
IN CASE OF SMALL= 15V
FOR ESD & EMI
FOR ESD & EMI
FOR ESD & EMI
EAX62115501
[SCART/EXT AUDIO 1st AMP]
CLOSE TO MSTAR
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_DATA[6]
CI_ADDR[0]
CI_DATA[4]
PCM_D[0-7]
FE_TS_DATA[1]
CI_ADDR[7]
CI_DATA[7]
PCM_D[2]
CI_DATA[0]
PCM_D[0]
CI_ADDR[2]
CI_DATA[0-7]
FE_TS_DATA[2]
FE_TS_DATA[5]
CI_ADDR[6]
PCM_D[7]
CI_DATA[3]
CI_ADDR[3]
CI_DATA[1]
FE_TS_DATA[3]
CI_ADDR[4]
CI_DATA[7]
CI_DATA[1]
CI_ADDR[10]
CI_ADDR[5]
CI_ADDR[14]
@netLa
PCM_D[6]
CI_ADDR[12]
CI_DATA[5]
CI_DATA[2]
FE_TS_DATA[7]
CI_DATA[5]
CI_ADDR[13]
CI_ADDR[11]
PCM_D[5]
CI_DATA[0]
CI_DATA[4]
FE_TS_DATA[0]
PCM_D[4]
CI_DATA[0-7]
CI_DATA[0-7]
PCM_D[1]
FE_TS_DATA[4]
CI_DATA[2]
CI_ADDR[8]
PCM_D[3]
FE_TS_DATA[6]
CI_DATA[6]
CI_DATA[3]
CI_ADDR[1]
CI_ADDR[9]
+3.3V_CI
CI_MDI[0]
CI_DET
CI_TS_VAL
/CI_CD1
R1919
47
PCM_A[0]
CI_WE
CI_IORD
R1905
10K
C1910
0.1uF
16V
/PCM_CD
FE_TS_VAL_ERR
/PCM_OE
CI_ADDR[1]
/PCM_IRQA
/PCM_IORD
CI_ADDR[13]
AR1901
33
+3.3V_CI
CI_DET
PCM_A[8]
/CI_CD2
CI_TS_DATA[0]
PCM_A[4]
IC1901
KIC7SZ32FU
3
GND
2
IN_A
4
OUT_Y
1
IN_B
5
VCC
R1907
100
CI_ADDR[6]
R1913
10K
10K
AR1905
33
+5V_Normal
Q1901
2SC3052
2SC3052
E
B
C
R1904
10K
C1909
0.1uF
FE_TS_SYNC
PCM_A[1]
REG
CI_TS_DATA[4]
R1910
0
OPT
C1902
0.1uF
GND
IC1902
TC74LCX244FT
0ITO742440D
TOSHIBA
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
C1905
0.1uF
PCM_A[11]
R1917
10K
C1903
0.1uF
16V
0.1uF
16V
CI_ADDR[8]
C
1
9
0
8
0
.
1
u
F
1
6
V
CI_ADDR[4]
R1909
0
OPT
R1906
10K
/PCM_IOWR
CI_MISTRT
GND
R1916
0
OPT
CI_TS_DATA[6]
AR1913
33
PCM_A[6]
/CI_CD2
+5V_CI_ON
R1918
47
PCM_A[14]
PCM_A[12]
CI_ADDR[0-14]
R1915
47
+5V_Normal
CI_OE
CI_TS_DATA[5]
CI_MCLKI
PCM_RST
GND
AR1902
33
CI_ADDR[7]
CI_MDI[2]
CI_ADDR[12]
CI_ADDR[11]
PCM_D[0-7]
R1908
100
C1901
0.1uF
AR1904
33
/PCM_CE
FE_TS_DATA[0-7]
PCM_A[13]
PCM_A[10]
CI_ADDR[3]
REG
CI_MDI[6]
AR1903
33
CI_TS_CLK
+3.3V_Normal
AR1907
33
PCM_5V_CTL
CI_MISTRT
CI_MDI[1]
CI_ADDR[0]
C1913
0.1uF
16V
0.1uF
16V
R1920
100
CI_ADDR[5]
PCM_A[2]
CI_MDI[2]
CI_OE
CI_DATA[0-7]
AR1909
33
C1904
0.1uF
16V
0.1uF
16V
AR1908
33
CI_MDI[5]
CI_MDI[4]
PCM_A[9]
CI_MDI[3]
+3.3V_CI
R1903
10K
CI_IOWR
CI_MIVAL_ERR
CI_WE
R1911
0
CI_ADDR[2]
CI_MDI[0]
+3.3V_CI
CI_TS_SYNC
CI_TS_DATA[2]
CI_MDI[4]
CI_TS_DATA[1]
PCM_A[7]
CI_ADDR[14]
AR1912
33
CI_MDI[7]
CI_IORD
CI_TS_DATA[3]
C1912
0.1uF
16V
0.1uF
16V
GND
R1901
47
CI_MDI[1]
CI_IOWR
/PCM_REG
C1907
0.1uF
16V
16V
GND
R1921
10K
CI_MDI[6]
R1902
47
+5V_CI_ON
+5V_Normal
CI_MDI[7]
CI_ADDR[9]
CI_MDI[5]
CI_MIVAL_ERR
FE_TS_CLK
/PCM_WAIT
PCM_A[5]
CI_ADDR[10]
/PCM_WE
CI_MDI[3]
R1914
22K
22K
R1912
10K
OPT
GND
PCM_A[3]
/CI_CD1
CI_MCLKI
C1906
10uF
10V
10uF
10V
CI_TS_DATA[7]
Q1902
RSR025P03
S
D
G
AR1906
33
CI_DATA[0-7]
L1901
BLM18PG121SN1D
L1902
BLM18PG121SN1D
R1922
2.2K
C1911
4.7uF
16V
4.7uF
16V
OPT
R1923
10K
OPT
R1924
10K
P1901
10067972-050LF
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
PCMCI
CI POWER ENABLE CONTROL
CI DETECT
CI SLOT
CI HOST I/F
CI Region
CI TS INPUT
Ver. 1.0
19
* Option name of this page : CI_SLOT
(because of Hong Kong)
EAX62115501
Click on the first or last page to see other 26LD320H (CHASSIS:LB0AW) service manuals if exist.