LG 32LH20FD (CHASSIS:LC91A) Service Manual ▷ View online
USB DOWN STREAM
Fiber Optic
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.
INTERFACE
C1439
18pF
50V
D1423
5.6V
OPT
AMOTECH
PC_L_IN
002:S16
JK1401
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
AV2_DET
001:AJ18
JK1406
PPJ200-07
3A
2A
4A
2B
5B
D1430
30V
AMOTECH
AV2_R_IN
002:S15
AV1_DET
001:AJ15
SIDE_USB_DP
001:AM8
DSUB_HSYNC
002:E18
DBG_RX
001:Y15;001:AJ11
D1449
5.6V
CDS3C05HDMI1
JK1408
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
JK1409
KJA-UB-4-0004
1
2
3
4
5
D1417
30V
AMOTECH
D1422
5.6V
OPT
AMOTECH
+3.3V
+3.3V
D1454
5.6V
AMOTECH
D1447
5.6V
AMOTECH
AV1_CVBS_IN
002:E21
C1411
OPT
D1400
OPT
IR_OUT
008:V18
D1412
30V
AMOTECH
+5V_ST
D1420
30V
AMOTECH
+5V_GENERAL
AV1_R_IN
002:S15
COMP2_L_IN
002:S16
AV2_L_IN
002:S15
+3.3V
R1491
10K
IC1401
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
COMP2_DET
001:AA22
S_Y_IN
002:E22
COMP1_L_IN
002:S14
D1435
5.6V
AMOTECH
D1426
30V
OPT
SPDIF_OUT
002:W18
COMP2_Pr_IN
002:E20
USB_CTL
001:AJ26
D1402
5.6V
OPT
AMOTECH
PC_R_IN
002:S16
C1413
OPT
D1440
5.6V
AMOTECH
D1442
5.6V
AMOTECH
D1448
ENKMC2838-T112
A1
C
A2
D1431
30V
AMOTECH
D1446
5.6V
AMOTECH
D1441
30V
AMOTECH
D1424
5.6V
OPT
AMOTECH
USB_OCD
001:AJ14
S_C_IN
002:E22
COMP2_Y_IN
002:E20
D1414
5.6V
AMOTECH
DSUB_G
002:E19
+5V_ST
JK1407
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D1445
30V
AMOTECH
D1451
5.6V
CDS3C05HDMI1
D1434
5.6V
AMOTECH
+3.3V
ISP_RXD
001:Y14
C1412
OPT
COMP1_Y_IN
002:E16
DSUB_DET
001:AA22
COMP2_Pb_IN
002:E20
S_DET
001:AJ19
C1440
18pF
50V
D1419
30V
AMOTECH
AV1_L_IN
002:S15
D1432
30V
AMOTECH
JK1403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
D1452
30V
AMOTECH
D1411
30V
AMOTECH
COMP2_R_IN
002:S16
IC1400
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
+3.3V
+5V_ST
DSUB_VSYNC
002:E18
D1418
30V
AMOTECH
COMP1_DET
001:AJ20
COMP1_Pr_IN
002:E16
+3.3V
DSUB_B
002:E19
COMP1_R_IN
002:S14
D1425
30V
OPT
D1413
30V
AMOTECH
DBG_TX
001:Y15;001:AN10
D1415
5.6V
AMOTECH
+5V_GENERAL
COMP1_Pb_IN
002:E17
D1444
5.6V
AMOTECH
D1416
5.6V
AMOTECH
SIDE_USB_DM
001:AM8
+5V_USB_SIDE
D1403
5.6V
OPT
AMOTECH
EDID_WP
001:AJ19;005:AL5;005:AL10;005:AL16
D1433
5.6V
AMOTECH
D1421
30V
AMOTECH
D1443
5.6V
AMOTECH
DSUB_R
002:E18
ISP_TXD
001:Y15;001:AN11
AV2_CVBS_IN
002:E21
D1453
30V
AMOTECH
JK1402
PPJ227-01
9N
[GN]E-LUG.
5K
[GN]O-SPRING-L
COMP2_Y
6K
[GN]CONTACT-L.
4E
[GN]O-SPRING-S
COMP1_Y
3E
[GN]CONTACT-S.
9M
[BL]E-LUG.
7J
[BL]C-LUG-L
COMP2_Pb
8D
[BL]C-LUG-S
COMP1_Pb
9L
[YL]E-LUG.
4L
[YL]O-SPRING-S
AV1_CVBS
3L
[YL]CONTACT-S.
7H
[RD]C-LUG-L
COMP2_Pr
8C
[RD]C-LUG-S
COMP1_Pr
9G
[WH]E-LUG.
8M
[WH]C-LUG-S_1
AV1_L
7G
[WH]C-LUG-L
COMP2_L
8B
[WH]C-LUG-S_2
COMP1_L
9F
[RD]E-LUG.
4N
[RD]O-SPRING-S_1
AV1_R
3N
[RD]CONTACT-S_1.
5F
[RD]O-SPRING-L
COMP2_R
6F
[RD]CONTACT-L.
4A
[RD]O-SPRING-S_2
COMP1_R
3A
[RD]CONTACT-S_2.
R1496
0
R1497
0
R1498
0
JK1405
PSJ014-01
6
GND
1
C-LUG1
2
C-LUG2
3
0-SPRING
4
C-LUG3
5
C-LUG4
7
SHIELD
AUDIO_R_OUT
C2400
0.1uF
50V
IC1404
LM324D
3
3
2
2
4
4
1
1
6
6
5
5
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
AUDIO_L_OUT
+12V
AUDIO_LR_OUT_MUTE
Q2402
RT1P141C-T112
1
2
3
2SC3052
Q2401
2SC3052
Q2400
D2400
5.6V
D2401
5.6V
R1402
470K
R1403
470K
R1433
470K
R1434
470K
R1465
470K
R1466
470K
R1474
470K
R1475
470K
R1477
470K
R1478
470K
R1407
15K
R1408
15K
R1411
10K
R1413
10K
R1424
10K
R1435
10K
R1436
10K
R1467
10K
R1468
10K
R1481
10K
R1482
10K
R1483
10K
R1484
10K
R1494
10K
R1412
0
OPT
R1418
0
R1419
0
R1420
0
R1422 0
R1428
0
R1439
0
R1440
0
R1449 0
OPT
R1455
0
R1456
0
R1460
0
R1471
0
R1472
0
R1421
75
R1423
75
R1430
75
R1431 75
R1432 75
R1462
75
R1463 75
R1464 75
R1479
75
R1480
75
R1425
1K
R1426
1K
OPT
R1429
1K
R1452
1K
R1461
1K
R1473 1K
R1476 1K
R1427
4.7K
R1451
4.7K
R1457
4.7K
R1458 4.7K
R1459
4.7K
R1437
12K
R1438
12K
R1469
12K
R1470
12K
R1485
12K
R1486
12K
R1487
12K
R1488
12K
R1446
22
R1448
22
R1453
100
R1454
100
R1495
47
R2400
470K
R2401
470K
R2404
470K
R2405
470K
R2402
2.2K
R2403
2.2K
R2406
2K
R2407
2K
R2410
33K
R2411
33K
R2412
10K
R2413
10K
C2401
10uF
16V
C2402
10uF
16V
C2403
33pF
C2404
33pF
C2405
0.1uF
16V
C1400
100pF
50V
C1401
100pF
50V
C1432
100pF
50V
C1433
100pF
50V
C1434
100pF
50V
C1435
100pF
50V
C1408
0.1uF
16V
C1420
0.1uF
16V
C1421
0.1uF
16V
C1430
0.1uF
16V
C1431
0.1uF
16V
C1438
0.1uF 16V
C1409
1000pF
50V
C1410
1000pF
50V
C1423
1000pF
50V
C1424
1000pF
50V
C1415
220pF
50V
C1416
220pF
50V
C1436
47pF
50V
C1437
47pF
50V
C1443
47pF
50V
C1444
47pF
50V
C1445
0.1uF
16V
R2408
5.6K
R2409
5.6K
R1447
6.2K
R1450
6.2K
C1414
0.33uF
16V
C1417
0.33uF
16V
C1418
0.33uF
16V
C1419
0.047uF
25V
IC1403
MP6211DH
3
IN_2
2
IN_1
4
EN
1
GND
5
FLAG
6
OUT_1
7
OUT_2
8
OUT_3
D1455
ENKMC2838-T112
A1
C
A2
SB_MUTE
C1446
100uF
16V
R1489
4.7K
R1490
4.7K
R1499
100
C1428
68pF
C1429
68pF
R1441
68
R1442
68
R1417
22
C1407
100pF
50V
JK1404
PPJ218-02
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
R1445
75
R1443
75
R1444
75
EAX60736302
4 9
2009.02.27
PC AUDIO
AV2(SIDE)
Component1/2 and AV1(rear)
SPDIF OUT
SIDE_USB
RS232C
PC RGB
S-Video(AV1,rear)
AUDIO OUT
(option : AUDIO_LR_OUT)
Close to JK1409
LC91A(32/37/42/47LH40FD-CE)
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.
HDMI
DDC_SDA_1
002:E10;005:K7
CK-_HDMI3
002:E13
D0-_HDMI3
002:E13
D1-_HDMI2
002:E11
DDC_SCL_1
002:E10;005:AL6
5V_HDMI_1
DDC_SCL_3
002:E15;005:AL12
CK-_HDMI2
002:E11
CEC_REMOTE
005:K19;005:X14;005:AM24
CK+_HDMI1
002:E8
IC602
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D0-_HDMI1
002:E9
D600
ENKMC2838-T112
A1
C
A2
+5V_ST
CK+_HDMI3
002:E13
D2-_HDMI1
002:E9
CEC_REMOTE
005:K8;005:X14;005:AM24
DDC_SCL_2
002:E12;005:AL17
D2+_HDMI1
002:E9
CK-_HDMI1
002:E8
IC601
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D2+_HDMI2
002:E12
D1-_HDMI1
002:E9
GND
D2+_HDMI3
002:E14
D0+_HDMI2
002:E11
DDC_SDA_3
002:E14;005:AL12
DDC_SCL_1
002:E10;005:K7
DDC_SDA_1
002:E10;005:AL7
+5V_ST
D2-_HDMI3
002:E14
D1-_HDMI3
002:E14
D1+_HDMI3
002:E14
CK+_HDMI2
002:E10
5V_HDMI_3
CEC_REMOTE
005:K8;005:K19;005:AM24
EDID_WP
001:AJ19;004:AB19;005:AL10;005:AL16
D1+_HDMI1
002:E9
D0+_HDMI3
002:E13
DDC_SCL_2
002:E12;005:K19
DDC_SDA_2
002:E12;005:AL18
+5V_ST
IC600
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_SDA_2
002:E12;005:K18
D2-_HDMI2
002:E12
EDID_WP
001:AJ19;004:AB19;005:AL5;005:AL10
DDC_SDA_3
002:E14;005:X13
D602
ENKMC2838-T112
A1
C
A2
DDC_SCL_3
002:E15;005:X13
D601
ENKMC2838-T112
A1
C
A2
D1+_HDMI2
002:E11
R609
0
Q603
2SC3052
E
B
C
HPD3
002:E15
EDID_WP
001:AJ19;004:AB19;005:AL5;005:AL16
5V_HDMI_3
Q602
2SC3052
E
B
C
HPD2
002:E12
5V_HDMI_2
Q601
2SC3052
E
B
C
HPD1
002:E10
5V_HDMI_2
5V_HDMI_1
+3.3V_ST
CEC_REMOTE
005:K8;005:K19;005:X14
HDMI_CEC
002:E15
D0+_HDMI1
002:E8
D0-_HDMI2
002:E11
JK602
EAG42463001
14
13
5
D1_GND
20
JACK_GND
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
Q600
SSM6N15FU
OPT
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
R624
120K
R632
9.1K
OPT
D604
30V
MMBD301LT1G
R650
0
C600
0.1uF
16V
C601
0.1uF
16V
C602
0.1uF
16V
C603
0.1uF
C604 0.1uF
C607 0.1uF
C608
0.1uF
16V
OPT
R600 2K
R601 2K
R602 2K
R606
2
2
R608
2
2
R605
0
R607
0
R612
1K
R613
1K
R614
1K
R615
10K
R616
10K
R617
10K
R651
10K
OPT
R652
10K
OPT
R653
10K
OPT
R610
22
R611
22
R603
22
R604
22
JK600
EAG39789402
FOXCONN
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
JK601
EAG39789402
FOXCONN
1
D2+
2
D2_GND
3
D2-
4
D1+
5
D1_GND
6
D1-
7
D0+
8
D0_GND
9
D0-
10
CK+
11
12
13
14
15
16
17
18
19
20
21
22
R618
0
R619
0
R640
0
R623
0
R621
0
R620
0
R622
0
R645
0
R642
0
R646
4.7K
R649
4.7K
R628 4.7K
R630
4.7K
R626
4.7K
R629
4.7K
JK600-*1
51V019S-3BWN-C3R-LG
FREEPORT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
JK601-*1
51V019S-3BWN-C3R-LG
FREEPORT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
EAX60736302
5 9
2009.02.27
HDMI_3(SIDE)
HDMI_1(REAR)
H
DMI_2(REAR)
CEC
LC91A(32/37/42/47LH40FD-CE)
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.
AMP
0.01uF
C756
50V
0.1uF
C728
50V
R709
100
R710
100
R732
4.7K
SPK_R+
006:AH15
0.1uF
C735
50V
R737
3.3
R713
12
L704
DA-8580
EAP38319001
2S
1S
1F
2F
C716
22000pF
50V
0.1uF
C750
50V
SPK_L-
006:AH14
SCL_SUB/AMP
001:D22;008:AC9
C714
33pF
50V
R733
4.7K
AUDIO_MASTER_CLK
002:W21
D705
100V
1N4148W
OPT
0.1uF
C752
50V
C745 0.47uF 50V
L701
BLM18PG121SN1D
0.1uF
C734
50V
AMP_RST
001:AA21
0.1uF
C751
50V
R719
12
SPK_R-
006:AH15
MS_SCK
002:W21
0.01uF
C757
50V
SDA_SUB/AMP
001:D22;008:AC10
0.01uF
C758
50V
C736
10uF
35V
AMP_VCC
0.01uF
C720
50V
R730
4.7K
C731
22000pF 50V
D707
100V
1N4148W
OPT
C712
33pF
50V
0.1uF
C733
50V
MS_LRCK
002:W21
R727
12
R735
3.3
D706
100V
1N4148W
OPT
R726
12
R736
3.3
R705
12
R734
3.3
D704
100V
1N4148W
OPT
SPK_L+
006:AH14
MS_LRCH
002:W21
L700
BLM18PG121SN1D
R725
12
R728
12
C746 0.47uF 50V
0.01uF
C755
50V
C732
22000pF
50V
C726 22000pF 50V
L705
DA-8580
EAP38319001
2S
1S
1F
2F
R716
12
C725
10uF
35V
0.1uF
C749
50V
+1.8V_AMP
0.1uF
C729
50V
+1.8V_AMP
R721
100
R722
100
R720
100
D709
ENKMC2838-T112
A1
C
A2
NTP_MUTE
001:X22
SB_MUTE
001:X19;004:AM27
AMP_VCC
+3.3V_ST
Q701
2SC3052
E
B
C
+3.3V
P700
WAFER-ANGLE
1
SPK_R-
2
SPK_R+
3
SPK_L-
4
SKP_L+
SPK_R+
006:AJ6
SPK_L+
006:AJ2
SPK_L-
006:AJ4
SPK_R-
006:AJ8
+1.8V_AMP
R731
4.7K
IC701
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
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
C702 0.1uF
16V
C705
100pF
50V
0.1uF
C706
16V
C707 1000pF
50V
C708 1000pF 50V
0.1uF
C709
16V
0.1uF
C715
16V
C741 1000pF 50V
C742 1000pF 50V
C743 1000pF 50V
C744 1000pF 50V
R703
0
R740
0
R704
100
R708
3.3K
R717
33K
OPT
R724 10K
R729
10K
L706
120-ohm
L707
120-ohm
L708
120-ohm
L709
120-ohm
R718
100
C724 0.1uF 16V
C721
0.1uF
16V
C760
1uF
10V
C700 1uF 10V
C704 1uF 10V
C713 0.1uF 16V
C727 0.1uF 16V
C730 0.1uF 16V
SPEAKER_L
SPEAKER_R
6 9
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
EAX60736302
2009.02.27
LC91A(32/37/42/47LH40FD-CE)
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.
POWER
R862
47
+1.8V_DDR
+3.3V
+3.3V_AVDD
+12V
+3.3V
+1.8V_AMP
C847
4.7uF
16V
IC803
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
IC801
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
R843 1.8K
+3.3V_ST
+3.3V_AVDD_MPLL
L807
CB3216UA121
0.1uF
C856
L826
2.2uH
C837
22uF
L810
BLM18PG121SN1D
C849
22uF
16V
OPT
R854
0
+3.3V_ST
IC805
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
PANEL_CTL
001:AJ10
+3.3V_ST
+5V_ST
R824
22K
1%
+24V/+20V
Q804
2SC3052
E
B
C
R809
10.5K
1%
OPC_OUT1
008:K9
+1.8V_DDR
Q800
2SC3052
E
B
C
L808
BLM18PG121SN1D
R826
10
1%
C808
0.1uF
16V
R827
75K
1/8W
1%
+12V
R831
10K
1/10W
+3.3V
+5V_ST
L806
CB3216UA121
C843
22uF
16V
R801
0
OPT
L805
BLM18PG121SN1D
C836
10nF
50V
R871
8.2K
1%
C879
10uF
R807
33K
OPT
C887
1uF
10V
+5V_GENERAL
+5V_ST
POWER_ON/OFF1
001:AJ11;007:P8
L804
CB3216UA121
C803
0.1uF
16V
R872
10K
C832
68uF
35V
L817
BLM18PG121SN1D
+5V_ST
L813
3.6uH
NR8040T3R6N
AMP_VCC
C813
0.1uF
50V
C821
68uF
35V
OPT
L803
BLM18PG121SN1D
+3.3V
R830
10K
1/10W
OPT
C878
10uF
R825
22K
1%
+3.3V_ST
C838
22uF
OPT
PANEL_POWER
Q805
2SC3052
E
B
C
+3.3V_ST
C845
10uF
16V
OPT
C862
0.01uF
50V
L827
2.2uH
C889
10uF
10V
Q801
RT1P141C-T112
E
B
C
+5V_ST
Q802
2SC3052
E
B
C
+1.26V_VDDC
PWM_DIM
001:S17;008:K8
+24V/+20V
ERROR_OUT
001:AA21
INV_CTL
001:AJ10
C826
100uF
16V
C824
220uF
16V
A_DIM
001:S16
Q806
RSR025P03
S
D
G
POWER_ON/OFF1
001:AJ11;007:M5
R874
75K
5%
C882
330pF
R873
56000
5%
C883
330pF
C876
22uF
C880
22uF
L812
CIC21J501NE
C840
1uF
10V
P805
FW20020-24S
19
NC
14
12V
9
5.2V
4
GND
18
24/20V
13
12V
8
5.2V
3
GND
17
24/20V
12
GND
7
5.2V
2
PWR_ON
16
GND
11
GND
6
GND
1
NC
20
INV_ON
15
GND
10
5.2V
5
GND
21
A_DIM
22
ERROR_OUT
23
PWM_DIM2
24
PWM_DIM1
C800
100uF
16V
C802
0.1uF
16V
C806
100uF
16V
C807
0.1uF
16V
OPT
C814
0.1uF
16V
C811
0.1uF
16V
C815
0.1uF
16V
C820
0.1uF
16V
C865
0.1uF
16V
C822
100uF
16V
C825
0.1uF
16V
C827
0.1uF
16V
C841
0.01uF
25V
C842
0.1uF
16V
C859
0.1uF
16V
C877
0.1uF
16V
C885
0.1uF
16V
R800
10K
R802
10K
R804
10K
R805
10K
R814
100
R815
6.8K
OPT
R818
3.3K
R821
10K
R822
10K
R823
10K
OPT
R832
10K
OPT
R833
10K
R837
22K
R839
22K
0
R841
R842
10K
R856
4.7K
22
R859
OPC_DISABLE
R860
22
OPC_ENABLE
D801
100V
1N4148W_DIODES
OPT
R1800
10K
1/8W
1%
C1826
0.1uF
16V
C1819
0.1uF
16V
D1800
100V
1N4148W_DIODES
C1800
22uF
C1823
4.7uF
10V
+6V_TUNER
C1810
1000pF
OPT
R1805
10
1/10W
1%
C1822
0.1uF
16V
+6V_DTMB
C1825
0.1uF
50V
+6V_TUNER
+5V_TUNER
C1827
0.1uF
16V
R1801
10K
1/10W
L1800
CIC21J501NE
L1805
BLM18PG121SN1D
L1804
BLM18PG121SN1D
C1820
100uF
16V
C1805
0.1uF
50V
L1803
3.6uH
NR8040T3R6N
+3.3V
IC1800
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
C1813
1uF
10V
+12V
C1803
OPT
C1804
47uF
16V
C1816
100uF
16V
+1.2V_DTMB
R1808
10K
C1809
10uF
10V
C1828
0.1uF
16V
C1829
22uF
16V
C1811
100uF
16V
+3.3V_DTMB
R1809
5.1K
+6V_DTMB
IC1804
KIA78R033F
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
C1815
0.1uF
16V
C1807
0.1uF
16V
IC1803
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
C1812
0.1uF
16V
IC1802
AZ1117D-3.3TRE1
1
ADJ/GND
2
OUTPUT
3
INPUT
C1806
100uF
16V
+3.3VA_DTMB
C1817
100uF
16V
+12V
C1808
0.1uF
16V
L1802
CIC21J501NE
C1821
4.7uF
10V
C1824
0.1uF
16V
C853
1uF
25V
IC1801
BA50BC0WFP-E2
1
CTL
2
VCC
3
GND
4
OUT
5
NC
IC806
BD9150MUV
1
PGND2_1
3
PVCC_2
7
SW1_1
9
EN1
10
FB1
11
ITH1
12
AGND
13
NC
14
AVCC
15
ITH2
16
FB2
17
EN2
18
SW2_1
19
SW2_2
20
PGND2_2
5
PGND1_1
8
SW1_2
6
PGND1_2
4
PVCC_3
2
PVCC_1
C891
0.47uF
25V
R1804
0
C809
10uF
16V
+12V
R885
12.4K
1%
C817
1000pF
OPT
C818
0.1uF 50V
L831
CIC21J501NE
C816
5600pF
50V
IC808
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
C830
0.1uF
16V
+5V_GENERAL
R883
9.1K
R882 100K
R884
56K
1%
C810
0.47uF
25V
L832
22uH
+5V_USB_SIDE
L833
MLB-201209-0120P-N2
C833
0.1uF
16V
C834
10uF
10V
C828
22uF
16V
3225
C829
22uF
16V
3225
C835
330uF
25V
OPT
R1803
62K
1%
R1807
5.1K
1%
C804
1uF
10V
R803
4.7K
R1802
0
C1818
22uF
16V
3225
C1814
0.47uF
25V
R1806
2K
1/10W
C812
0.1uF
50V
Stand-by +3.3V
EAX60736302
7 9
2009.02.27
+3.3V /
50 mA
450 mA
FROM LIPS & POWER B/D
+5V_GENERAL/
S6 core 1.26 volt
R1
R2
PI_080719
PANEL Power
Vout=0.8*(1+R1/R2)
Replaced Part
R1
Close to IC
$0.07
C IN
465 mA @85% efficiency
C OUT
Close to IC
Placed on SMD-TOP
Placed on SMD-TOP
Replaced Part
1600 mA
MAX 3A
4.9A 0.0150OHM 34MHZ
R2
Vout=0.8*(1+R1/R2)
+1.8V_DDR
+5V_USB
Amp Power
Vout=0.8*(1+R1/R2)
R2
Close to IC
Placed on SMD-TOP
+6V_FE
$0.07
Close to IC
+5V_TUNER
4.9A 0.0150OHM 34MHZ
R1
+3.3VA_DTMB
+3.3V/+1.2V_DTMB
Tuner & Demod Power
FIN must be connected GND
R2
Vout=0.923*(1+R1/R2)
Placed on SMD-TOP
R1
LC91A(32/37/42/47LH40FD-CE)
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