LG 26LD320H / 26LD322H (CHASSIS:LD01Z) 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.
BLM18PG121SN1D
L502
0 . 1 u F
50V
50V
C519
1000pF
50V
C506
390pF
50V
C530
AUD_MASTER_CLK
10uF
35V
35V
C528
BLM18PG121SN1D
L504
0 . 0 1 u F
50V
50V
C542 OPT
+1.8V_AMP
0 . 1 u F
16V
C502
22000pF
50V
C525
10K
R517
22000pF
50V
C518
4.7K
R529
SPK_R+
1uF
25V
C520
390pF
50V
C529
AMP_SCL
1N4148W
100V
OPT
D504
1000pF
50V
C508
1uF
25V
C522
SPK_L-
0 . 1 u F
50V
50V
C527
0 . 1 u F
50V
50V
C539
+3.5V_ST
0 . 0 1 u F
50V
C540 OPT
100
R503
390pF
50V
C531
100
R505
AUD_LRCH
+24V
SPK_R+
0 . 4 7 u F
50V
C534
1N4148W
100V
OPT
D501
1N4148W
100V
OPT
D503
100
R514
4.7K
R530
SPK_L+
1uF
25V
C512
390pF
50V
C532
1uF
25V
C517
SPK_R-
3 . 3
R532 OPT
0
R513
OPT
100pF
50V
C504
0 . 1 u F
50V
C536
AMP_MUTE
3.3K
R508
AMP_SDA
3 . 3
R534 OPT
4.7K
R528
SPK_R-
3 . 3
R533 OPT
AUD_LRCK
BLM18PG121SN1D
L501
+1.8V_AMP
0 . 1 u F
50V
C537
100
R504
POWER_DET
3 . 3
R531 OPT
0 . 4 7 u F
50V
C535
AMP_RESET_N
10uF
35V
35V
C521
22000pF
50V
C524
0 . 1 u F
50V
C538
4.7K
R527
0 . 0 1 u F
50V
C541 OPT
+1.8V_AMP
22000pF
50V
C514
1N4148W
100V
OPT
D502
AUD_SCK
0 . 0 1 u F
50V
C543
OPT
0 . 1 u F
50V
C515
SPK_L+
+24V
10K
R515
0 . 1 u F
16V
C513
0 . 1 u F
C509
0 . 1 u F
16V
C505
SPK_L-
0 . 1 u F
50V
50V
C526
2SC3052
Q501
E
B
C
+3.3V_Normal
1000pF
50V
50V
C516
3 . 3
OPT
R535
0 . 0 1 u F
50V
50V
OPT
C547
10uF
10V
C501
OPT
10uF
10V
C503
OPT
10uF
10V
C511
OPT
12
R526
12
R522
12
R520
12
R525
12
R519
12
R524
12
R521
12
R523
22pF
50V
50V
OPT
C546
22pF
50V
50V
OPT
C545
22pF
50V
50V
OPT
C544
TP502
0 . 1 u F
16V
16V
C434
+1.8V_AMP
+3.3V_Normal
10uF
10V
10V
C421
AP1117E18G-13
IC404
2
OUT
3
IN
1
ADJ/GND
0 . 1 u F
16V
16V
C446
1
R474
AD-9060
15uH
L507
2S
1S
1F
2F
AD-9060
15uH
L506
2S
1S
1F
2F
THERMAL
NTP-7000
EAN60969601
IC501
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
18pF
50V
50V
C507
18pF
50V
50V
C510
33
R506
33
R507
SMAW250-04
P502
1
2
3
4
SPEAKER_L
SPEAKER_R
AUDIO[NTP]
V e r . 1 . 1
Vd=1.4V
120 mA
16
EAX62115503
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
0
R2305
26~37"
+3.3V_Normal
MLB-201209-0120P-N2
120-ohm
L2301
26~37"
0
R2306
26~37"
CDS3C05HDMI1
5.6V
5.6V
D2301
26~37"
4.7K
R2303
26~37"
MIC2009YM6-TR
IC2301
26~37"
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
10uF
10V
10V
C2302
26~37"
0 . 1 u F
C2304
26~37"
10uF
10V
10V
C2303
26~37"
SIDE_USB_DM
SIDE_USB_DP
0
R2304
26~37"
180
R2301
26~37"
USB1_CTL
CDS3C05HDMI1
5.6V
D2302
26~37"
USB1_OCD
47
R2302
26~37"
10K
R2307
26~37"
USB DOWN STREAM
KJA-UB-4-0004
JK2301
26~37"
1
2
3
4
5
CDS3C05HDMI1
5.6V
5.6V
2 2 "
D2303
USB DOWN STREAM
UB01123-4HHS-4F
2 2 "
P2302
1
2
3
4
5
CDS3C05HDMI1
5.6V
2 2 "
D2304
REAR_USB_DP
REAR_USB_DM
0
R2310
2 2 "
0
2 2 "
R2311
+5V_Normal
180
22"
R2308
USB1_CTL
0
2 2 "
R2309
+3.3V_Normal
USB1_OCD
MIC2009YM6-TR
IC2302
2 2 "
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
10uF
10V
10V
2 2 "
C2305
4.7K
2 2 "
R2312
0 . 1 u F
2 2 "
C2306
10uF
10V
10V
2 2 "
C2307
47
2 2 "
R2313
10K
22"
R2314
MLB-201209-0120P-N2
120-ohm
2 2 "
L2302
USB1 OPTION
USB_SIDE
$ 0 . 1 2 5
USB
V e r . 1 . 0
17
USB REAR
EAX62115503
$ 0 . 1 2 5
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.
12K
R1634
DTV/MNT_L_OUT
0 . 1 u F
50V
C1625
COMP2_Pr+
+3.3V_Normal
470K
R1625
470
R1640
30V
D1605
75
R1609
75
R1621
COMP2_Y+
22
R1627
5.6V
OPT
D1611
100uF
16V
16V
C1620
0
R1622
10pF
OPT
C1603
30V
OPT
D1618
DTV/MNT_VOUT
BLM18PG121SN1D
L1601
COMP2_L_IN
SCART1_MUTE
30V
D1606
30V
OPT
D1602
10pF
50V
50V
OPT
C1613
75
R1620
47pF
50V
50V
C1604
4700pF
C1618
30V
D1612
DTV/MNT_L_OUT
0
R1638
COMP2_Pb-
ISA1530AC1
Q1601
E
B
C
75
R1628
2K
R1648
+12V/+15V
10K
R1618
5.6V
D1616
BLM18PG121SN1D
L1602
SC1_G-/COMP1_Y-
47uF
16V
16V
C1621
0
R1637
SC1/COMP1_DET
75
R1619
30V
OPT
D1610
DTV/MNT_R_OUT
DTV/MNT_R_OUT
12K
R1631
0
R1645
180
R1639
5.6V
OPT
OPT
D1601
5.6V
OPT
OPT
D1607
10K
R1632
30V
OPT
D1603
SC1_CVBS_IN
120-ohm
L1603
+3.3V_Normal
0 . 1 u F
50V
50V
C1642
2SC3052
Q1608
12K
R1636
330pF
50V
50V
C1611
47K
R1641
10pF
50V
OPT
C1614
SC1_ID
10pF
50V
OPT
C1615
5.6V
D1613
SC1_B+/COMP1_Pb+
L1606
SC1_R+/COMP1_Pr+
COMP2_Pr-
2SC3052
Q1607
10K
R1633
COMP2_R_IN
10pF
OPT
C1602
15K
R1642
2SC3052
Q1602
E
B
C
75
R1616
330pF
50V
C1612
10K
R1617
470K
R1607
0
R1601
SC1/COMP1_L_IN
1K
R1614
75
R1605
OPT
C1606
C1606
75
R1608
0 . 1 u F
50V
C1623
2K
R1650
30V
D1615
1000pF
50V
50V
C1610
COMP2_Y-
SC1_FB
SC1/COMP1_R_IN
10pF
OPT
C1601
C1601
75
R1604
0
R1611
0 . 1 u F
16V
16V
C1607
1000pF
50V
50V
C1616
5.6V
OPT
OPT
D1608
5.6V
D1617
SC1_G+/COMP1_Y+
SC1_R-/COMP1_Pr-
12K
R1630
30V
D1614
COMP2_DET
10K
R1652
220pF
50V
50V
OPT
C1608
0 . 1 u F
C1636
120-ohm
L1604
1K
R1615
1000pF
50V
50V
C1609
4700pF
C1619
+12V/+15V
0
R1624
5.6V
OPT
D1609
1000pF
50V
50V
C1617
COMP2_Pb+
SC1_B-/COMP1_Pb-
+3.5V_ST
RT1P141C-T112
Q1610
Q1610
1
2
3
OPT
C1605
C1605
30V
D1604
470K
R1626
470K
R1606
0
R1602
10K
R1613
10K
R1612
15K
R1623
3.9K
R1629
SC1_SOG_IN
0
R4210
LM324D
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
VEE/GND
12
IN4+
13
I N 4 -
14
OUT4
SCART1_Rout
5.6K
R1658
5.6K
R1657
SCART1_Lout
10K
R1667
2.2K
R1656
33pF
C1654
470K
OPT
R1662
33K
R1664
10uF
16V
16V
C1644
33K
R1665
470K
OPT
R1661
2.2K
R1655
10uF
16V
16V
C1645
33pF
C1655
10K
R1668
390
R1635
390
R4211
0
R4213
0
R4214
0
R4215
0 . 0 1 u F
C1665
100
R4216
22K
R4217
100
R4219
0 . 0 1 u F
C1664
22K
R4218
0
R4221
0
R4224
DTV/MNT_R_OUT
DTV/MNT_L_OUT
0
R1603
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
P P J 2 2 9 - 0 1
JK1603
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
10K
R1681
5.6K
R1673
33pF
C1666
10K
R1679
EXT_L_AMP
10uF
16V
C1669
100
OPT
R1669
33K
R1676
470K
OPT
R1680
EXT_L_AMP_IN
33pF
C1667
2.2K
R1674
EXT_R_AMP_IN
100
R1671
100
OPT
R1677
470K
OPT
R1672
33K
R1670
2.2K
R1675
EXT_R_AMP
10uF
16V
C1668
5.6K
R1682
100
R1678
SCART/RCA
Rf
STATUS
C h i n a : U s i n g
NAME
AV_OPT
F u l l S c a r t / C o m p 1
CHINA_OPT
C h i n a : U s i n g
COMPONENT2
E U : U s i n g
EU_OPT
Rg
OPTION TABLE
For EU
E U : N o t U s i n g
E U : N o t U s i n g
C h i n a : N o t U s i n g
Gain=1+Rf/Rg
[SCART AUDIO MUTE]
CLOSE TO MSTAR
V e r . 1 . 1
18
IN CASE OF SMALL= 15V
FOR ESD & EMI
FOR ESD & EMI
FOR ESD & EMI
EAX62115503
[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.
+3.3V_CI
CI_MDI[0]
CI_DET
CI_TS_VAL
/CI_CD1
47
R1919
PCM_A[0]
CI_WE
CI_IORD
10K
R1905
0.1uF
16V
C1910
/PCM_CD
FE_TS_VAL_ERR
/PCM_OE
CI_ADDR[1]
/PCM_IRQA
/PCM_IORD
CI_ADDR[13]
33
AR1901
+3.3V_CI
CI_DET
PCM_A[8]
/CI_CD2
CI_TS_DATA[0]
PCM_A[4]
KIC7SZ32FU
IC1901
3
GND
2
IN_A
4
OUT_Y
1
IN_B
5
VCC
100
R1907
CI_ADDR[6]
10K
R1913
33
AR1905
+5V_Normal
2SC3052
Q1901
E
B
C
10K
R1904
0 . 1 u F
C1909
FE_TS_SYNC
PCM_A[1]
REG
CI_TS_DATA[4]
0
OPT
R1910
0.1uF
C1902
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
0 . 1 u F
C1905
PCM_A[11]
10K
R1917
0 . 1 u F
16V
16V
C1903
CI_ADDR[8]
0.1uF
16V
C1908
CI_ADDR[4]
0
OPT
R1909
10K
R1906
/PCM_IOWR
CI_MISTRT
GND
0
OPT
R1916
CI_TS_DATA[6]
33
AR1913
PCM_A[6]
/CI_CD2
+5V_CI_ON
47
R1918
PCM_A[14]
PCM_A[12]
CI_ADDR[0-14]
47
R1915
+5V_Normal
CI_OE
CI_TS_DATA[5]
CI_MCLKI
PCM_RST
GND
33
AR1902
CI_ADDR[7]
CI_MDI[2]
CI_ADDR[12]
CI_ADDR[11]
PCM_D[0-7]
100
R1908
0.1uF
C1901
33
AR1904
/PCM_CE
FE_TS_DATA[0-7]
PCM_A[13]
PCM_A[10]
CI_ADDR[3]
REG
CI_MDI[6]
33
AR1903
CI_TS_CLK
+3.3V_Normal
33
AR1907
PCM_5V_CTL
CI_MISTRT
CI_MDI[1]
CI_ADDR[0]
0 . 1 u F
16V
16V
C1913
100
R1920
CI_ADDR[5]
PCM_A[2]
CI_MDI[2]
CI_OE
CI_DATA[0-7]
33
AR1909
0 . 1 u F
16V
16V
C1904
33
AR1908
CI_MDI[5]
CI_MDI[4]
PCM_A[9]
CI_MDI[3]
+3.3V_CI
10K
R1903
CI_IOWR
CI_MIVAL_ERR
CI_WE
0
R1911
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]
33
AR1912
CI_MDI[7]
CI_IORD
CI_TS_DATA[3]
0 . 1 u F
16V
16V
C1912
GND
47
R1901
CI_MDI[1]
CI_IOWR
/PCM_REG
0 . 1 u F
16V
16V
C1907
GND
10K
R1921
CI_MDI[6]
47
R1902
+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]
22K
R1914
10K
R1912
OPT
GND
PCM_A[3]
/CI_CD1
CI_MCLKI
10uF
10V
10V
C1906
CI_TS_DATA[7]
RSR025P03
Q1902
S
D
G
33
AR1906
CI_DATA[0-7]
BLM18PG121SN1D
L1901
BLM18PG121SN1D
L1902
2.2K
R1922
4 . 7 u F
16V
16V
C1911
OPT
10K
OPT
R1923
10K
R1924
10067972-050LF
P1901
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
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]
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]
PCMCI
CI POWER ENABLE CONTROL
CI DETECT
CI SLOT
CI HOST I/F
C I R e g i o n
CI TS INPUT
V e r . 1 . 0
19
* 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
( b e c a u s e o f H o n g K o n g )
EAX62115503
Click on the first or last page to see other 26LD320H / 26LD322H (CHASSIS:LD01Z) service manuals if exist.