LG 37LH4900 (CHASSIS:LD91B) 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.
CI_ADDR[4]
CI_DATA[7]
CI_DATA[5]
CI_ADDR[5]
CI_DATA[0]
CI_DATA[4]
CI_ADDR[13]
CI_ADDR[7]
CI_ADDR[12]
CI_ADDR[6]
CI_ADDR[14]
FE_TS_DATA[0-7]
CI_ADDR[0]
CI_ADDR[2]
CI_ADDR[1]
CI_ADDR[3]
CI_ADDR[11]
CI_DATA[6]
CI_ADDR[10]
CI_DATA[3]
CI_ADDR[8]
CI_ADDR[9]
CI_DATA[0-7]
CI_DATA[2]
CI_DATA[1]
CI_DATA[0-7]
CI_DATA[0]
CI_DATA[1]
CI_DATA[2]
CI_DATA[3]
CI_DATA[4]
CI_DATA[6]
CI_DATA[5]
CI_DATA[7]
PCM_D[0-7]
PCM_D[0]
PCM_D[1]
PCM_D[2]
PCM_D[3]
PCM_D[7]
PCM_D[4]
PCM_D[6]
PCM_D[5]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[5]
FE_TS_DATA[4]
FE_TS_DATA[3]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[0]
GND
CI_DET
AB9
/CI_CD2
E12
/CI_CD1
D4
CI_MDI[6]
/PCM_WAIT
PCM_D[0-7]
CI_IOWR
CI_MDI[4]
CI_TS_DATA[5]
CI_WE
P500
10067972-050LF
EAG41860101
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_DET
CI_TS_DATA[7]
CI_MDI[2]
PCM_A[3]
CI_ADDR[0-14]
CI_MDI[3]
GND
R510
100
CI_MIVAL_ERR
CI_OE
/PCM_IORD
REG
CI_MDI[5]
CI_MDI[4]
R506
10K
CI_MDI[0]
CI_TS_VAL
CI_ADDR[8]
CI_TS_DATA[1]
/CI_CD1
CI_WE
CI_IOWR
CI_ADDR[0]
CI_ADDR[6]
CI_MDI[2]
R507
10K
R508
10K
FE_TS_VAL_ERR
PCM_A[6]
R505
10K
PCM_A[12]
PCM_A[10]
CI_ADDR[13]
R516
100
CI_MDI[6]
C511
0.1uF
16V
CI_MDI[3]
CI_ADDR[2]
CI_ADDR[1]
C509
0.1uF
16V
PCM_A[7]
C502
0.1uF
16V
GND
R511
100
CI_MDI[0]
CI_IORD
GND
CI_ADDR[11]
PCM_RST
/PCM_IRQA
R500
47
+5V_GENERAL
CI_ADDR[12]
+5V_GENERAL
CI_ADDR[14]
/CI_CD2
PCM_A[1]
CI_TS_CLK
PCM_A[8]
CI_OE
CI_MISTRT
D14
CI_MDI[7]
CI_MDI[1]
/PCM_WE
CI_TS_DATA[4]
C501
0.1uF
16V
GND
CI_TS_DATA[0]
FE_TS_CLK
CI_MCLKI
REG
PCM_A[4]
CI_MISTRT
PCM_A[9]
FE_TS_SYN
PCM_A[13]
/PCM_IOWR
R509
10K
/PCM_OE
CI_ADDR[5]
CI_MDI[7]
PCM_A[5]
GND
CI_TS_DATA[3]
R517
10K
CI_MIVAL_ERR
GND
/PCM_REG
CI_ADDR[3]
CI_MDI[5]
/PCM_CE
PCM_A[11]
CI_TS_DATA[2]
CI_ADDR[4]
+3.3V_CI
PCM_A[0]
PCM_A[2]
CI_ADDR[7]
CI_MDI[1]
CI_IORD
CI_TS_SYN
CI_ADDR[10]
PCM_A[14]
CI_ADDR[9]
FE_TS_DATA[0-7]
CI_TS_DATA[6]
+5V_GENERAL
+5V_CI_ON
CI_DATA[0-7]
CI_DATA[0-7]
/PCM_CD
1:AA10
R503
47
R515
47
+3.3V_CI
+3.3V_CI
AR503
33
AR500
33
AR504
33
AR506
33
AR507
33
AR508
33
AR509
33
AR510
33
AR511
33
AR512
33
AR513
33
CI_MCLKI
IC502
74LVC541A(PW)
BUFFER
3
A1
2
A0
4
A2
1
OE1
6
A4
5
A3
7
A5
8
A6
9
A7
10
GND
11
Y7
12
Y6
13
Y5
14
Y4
15
Y3
16
Y2
17
Y1
18
Y0
19
OE2
20
VCC
+3.3V_CI
FE_TS_CLK
AE5;10:J17
FE_TS_VAL_ERR
AE5;10:W19
FE_TS_SYN
AE5;10:J17
BUF_TS_CLK
BUF_TS_VAL_ERR
BUF_TS_SYN
BUF_TS_DATA[0]
FE_TS_DATA[0]
AG4;10:J17
C510
0.1uF
16V
C508
0.1uF
C503
0.1uF
C512
0.1uF
R521
47
R519
47
R518
10K
R520
10K
C505
10uF
10V
R522
10K
R523
10K
R513
0
OPT
R514
0
OPT
R512
0
OPT
IC501
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
IC500
74LVC1G32GW
3
GND
2
A
4Y
1
B
5
VCC
R526
47
R528
47
R527
47
R525
47
R502
10K
Q500
2SC3052
E
B
C
C500
0.1uF
16V
+5V_ST
PCM_5V_CTL
Q501
RSR025P03
S
D
G
+5V_CI_ON
C507
0.1uF
16V
R501
33K
R524
33K
R529
2.2K
R504
22K
C504
10uF
10V
DVB-CI DETECT
DVB-CI SLOT
DVB-CI TS INPUT
DVB-CI HOST I/F
DVB-CI SERIAL BUFFER TS
5 12
PCMCIA
2008.12.12
CI POWER ENABLE CONTROL
EAX57644501
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.
GND
D601
ENKMC2838-T112
A1
C
A2
DDC_SDA_1
2:E10;AL9
D0+_HDMI4
2:E13
+5V_ST
D0-_HDMI2
2:E11
DDC_SDA_4
2:E14;AL14
CK+_HDMI2
2:E10
EDID_WP
CEC_REMOTE
K19;K8;AH25
DDC_SDA_2
2:E12;AL19
D1+_HDMI1
2:E9
D2-_HDMI2
2:E12
JP601
EDID_WP
D602
ENKMC2838-T112
A1
C
A2
DDC_SDA_4
DDC_SCL_4
JP603
D1+_HDMI2
2:E11
D0+_HDMI1
2:E8
5V_HDMI_2
DDC_SDA_1
JP605
D0-_HDMI4
2:E13
CK-_HDMI4
2:E13
DDC_SCL_1
2:E10;AL9
D1-_HDMI2
2:E11
JP600
5V_HDMI_4
D0+_HDMI2
2:E11
D2+_HDMI4
2:E14
GND
D1-_HDMI1
2:E9
D1-_HDMI4
2:E14
D2-_HDMI4
2:E14
CK-_HDMI1
2:E8
D2+_HDMI1
2:E9
+5V_ST
GND
CK+_HDMI4
2:E13
GND
CEC_REMOTE
K19;X14;AH25
CK-_HDMI2
2:E11
DDC_SCL_4
2:E15;AL13
D0-_HDMI1
2:E9
DDC_SCL_2
D1+_HDMI4
2:E14
DDC_SCL_2
2:E12;AL18
D2-_HDMI1
2:E9
JP606
DDC_SCL_1
+5V_ST
CEC_REMOTE
K8;X14;AH25
JP604
D600
ENKMC2838-T112
A1
C
A2
DDC_SDA_2
5V_HDMI_1
D2+_HDMI2
2:E12
CK+_HDMI1
2:E8
JP611
EDID_WP
JP607
J602
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
5V_HDMI_1
HPD1
Q601
2SC3052
E
B
C
5V_HDMI_2
HPD2
Q602
2SC3052
E
B
C
5V_HDMI_4
HPD4
Q603
2SC3052
E
B
C
Q604
2SC3052
E
B
C
D0+_HDMI3
GND
D0-_HDMI3
CEC_REMOTE
HPD3
DDC_SDA_3
D2+_HDMI3
D2-_HDMI3
JP602
5V_HDMI_3
D1-_HDMI3
D1+_HDMI3
DDC_SCL_3
CK+_HDMI3
CK-_HDMI3
DDC_SCL_3
+5V_ST
EDID_WP
JP608
DDC_SDA_3
D606
ENKMC2838-T112
A1
C
A2
5V_HDMI_3
IC603
TMDS351PAGR
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SINK
30
SDA_SINK
31
HPD_SINK
32
S1
33
S2
34
EQ
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
VDD
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
L600
BLM18PG121SN1D
+3.3V
R624
4.7K
1/10W
1%
D2+_HDMI_SW
D2-_HDMI_SW
D1+_HDMI_SW
D1-_HDMI_SW
D0+_HDMI_SW
D0-_HDMI_SW
CK+_HDMI_SW
CK-_HDMI_SW
DDC_SCL_SW
SEL1_HDMI_SW
SEL2_HDMI_SW
+3.3V
DDC_SDA_SW
DDC_SCL_3
D0-_HDMI3
D1-_HDMI3
CK+_HDMI3
D1+_HDMI3
D0+_HDMI3
D2+_HDMI3
CK-_HDMI3
DDC_SDA_3
D2-_HDMI3
D1+_HDMI2
D0-_HDMI2
D1-_HDMI2
D2+_HDMI2
D0+_HDMI2
CK+_HDMI2
DDC_SDA_2
DDC_SCL_2
D2-_HDMI2
CK-_HDMI2
D0+_HDMI1
DDC_SCL_1
D1-_HDMI1
CK+_HDMI1
DDC_SDA_1
D0-_HDMI1
D2-_HDMI1
CK-_HDMI1
D2+_HDMI1
D1+_HDMI1
D605
30V
MMBD301LT1G
+5V_HDMI_SW
IC603-*1
BU16027KV
HDMI S/W_rohm
1
SDA3
2
SCL3
3
GND_1
4
B31
5
A31
6
VCC_1
7
B32
8
A32
9
GND_2
10
B33
11
A33
12
VCC_2
13
B34
14
A34
15
GND_3
16
VSADJ
17
Y4
18
Z4
19
VCC_3
20
Y3
21
Z3
22
GND_4
23
Y2
24
Z2
25
VCC_4
26
Y1
27
Z1
28
GND_5
29
SCL_SILK
30
SDA_SILK
31
HPD_SILK
32
S1
33
S2
34
RESERVE1
35
HPD1
36
SDA1
37
SCL1
38
B11
39
A11
40
VCC_5
41
B12
42
A12
43
GND_6
44
B13
45
A13
46
VCC_6
47
B14
48
A14
49
RESERVE2
50
HPD2
51
SDA2
52
SCL2
53
B21
54
A21
55
VCC_7
56
B22
57
A22
58
GND_7
59
B23
60
A23
61
VCC_8
62
B24
63
A24
64
HPD3
IC600
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC602
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC601
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC6004
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R623
0
R621
0
R642
0
R619
0
R622
0
R640
0
R641
0
R648
0
R620
0
R618
0
R647
0
R645
0
R633
0
R607
0
R639
0
R609
0
R605
0
C615 0.1uF
C603
0.1uF
C607 0.1uF
C604 0.1uF
C600
0.1uF
16V
C602
0.1uF
16V
C606
0.1uF
16V
C601
0.1uF
16V
C612 0.1uF
C611 0.1uF
C609 0.1uF
C608 0.1uF
C613 0.1uF
C610 0.1uF
C614 0.1uF
C616
0.1uF
R617
10K
R616
10K
R634
10K
R615
10K
R614
1K
R635
1K
R612
1K
R613
1K
R611
22
R637
22
R610
22
R603
22
R606
22
R604
22
R608
22
R638
22
R636
2K
R602
2K
R601
2K
R600
2K
R650
4.7K
4.7K
OPT
HDMI_CEC
+3.3V_ST
R625
0
D603
MMBD301LT1G
30V
R631
OPT
GND
R627
120K
C605
0.1uF
16V
OPT
CEC_REMOTE
Q600
SSM6N15FU
OPT
3
DRAIN2
2
GATE1
1
SOURCE1
4
SOURCE2
5
GATE2
6
DRAIN1
JP609
JP610
R651
4.7K
4.7K
+3.3V
R652
4.7K
4.7K
R630
4.7K
R626
4.7K
R629
4.7K
R628 4.7K
R643 4.7
K
R644
4.7K
R646
4.7K
R649
4.7K
J603
EAG39789402
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
J601
EAG39789402
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
J600
EAG39789402
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
UI_HW_PORT4
UI_HW_PORT1
UI_HW_PORT2
EAX57644501
6 12
HDMI
2008.12.12
SIDE HDMI
$0.26
UI_HW_PORT3
UI_HW_PORT1
UI_HW_PORT2
UI_HW_PORT3
HDMI EEPROM
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.
0.1uF
C729
50V
0.1uF
C749
50V
0.1uF
C735
50V
SPK_R+
AB11
R734
3.3
C732
22000pF
50V
C746 0.47uF 50V
SPK_R-
AB12
MS_LRCK
2:X21
+24V
0.01uF
C758
50V
R736
3.3
0.1uF
C728
50V
0.01uF
C756
50V
R730
4.7K
0.1uF
C733
50V
0.01uF
C757
50V
L704
DA-8580
EAP38319001
2S
1S
1F
2F
SDA_SUB/AMP
1:L22;11:AG10
SPK_L-
AB11
0.1uF
C750
50V
R737
3.3
R732
4.7K
MS_LRCH
2:X21
SPK_L+
AB10
MS_SCK
2:X21
AUDIO_MASTER_CLK
2:X21
0.1uF
C734
50V
C731
22000pF 50V
+1.8V_AMP
C726 22000pF 50V
+1.8V_AMP
C745 0.47uF 50V
0.1uF
C752
50V
0.1uF
C751
50V
AMP_RST
1:AA21
L705
DA-8580
EAP38319001
2S
1S
1F
2F
0.01uF
C755
50V
R735
3.3
SCL_SUB/AMP
1:L22;11:AG9
R733
4.7K
C716
22000pF
50V
R731
4.7K
+1.8V_AMP
SPK_R-
AE9
SPK_L-
AE5
SPK_L+
AE3
SPK_R+
AE7
HP_ROUT
2:X19
C719
100uF
16V
HP_LOUT
2:X19
IC700
TPA6110A2DGNRG4
3
SHUTDOWN
2
GND
4
IN2-
1
BYPASS
5
VO2
6
VDD
7
VO1
8
IN1-
R715
1K
C718
100uF
16V
P700
WAFER-ANGLE
1
2
3
4
C703 0.22uF 16V
C717
0.22uF
16V
+3.3V
Q701
2SC3052
E
B
C
+3.3V_ST
+24V
JK700
DJ-S3600LM
1
2
3
4
5
+3.3V
HP_DET
SIDE_HP_MUTE
1:AJ19
HP_MUTE
E23;M25
D708
ENKMC2838-T112
A1
C
A2
SB_MUTE
1:AA19;R15;9:AI24;9:AI25
SB_MUTE
1:AA19;G25;9:AI24;9:AI25
NTP_MUTE
1:AA22
D709
ENKMC2838-T112
A1
C
A2
R722
100
R720
100
R721
100
D704
100V
1N4148W
OPT
D705
100V
1N4148W
OPT
D706
100V
1N4148W
OPT
D707
100V
1N4148W
OPT
D710
5.6V
AMOTECH
D711
5.6V
AMOTECH
L700
BLM18PG121SN1D
L701
BLM18PG121SN1D
C712
33pF
50V
C714
33pF
50V
R710
100
R709
100
R726
12
R727
12
R725
12
R728
12
R716
12
R705
12
R713
12
R719
12
R740
0
R703
0
0.1uF
C706
16V
0.1uF
C709
C710
0.1uF
16V
C702 0.1uF
16V
0.1uF
C715
16V
R704
100
C743 1000pF 50V
C707 1000pF
50V
C708 1000pF 50V
C744 1000pF 50V
C741 1000pF 50V
C742 1000pF 50V
C705
100pF
50V
R707 10K
R729
10K
R724 10K
R714
1K
C701 1uF
6.3V
R708
3.3K
R717
33K
OPT
+5V_GENERAL
+5V_EARPHONE
C711
100uF
16V
D700
ENKMC2838-T112
A1
C
A2
R700
10K
+5V_EARPHONE
R742
10K
Q705
2SC3052
E
B
C
HP_MUTE
J25;M25
+5V_EARPHONE
R741
10K
Q700
2SC3052
E
B
C
R701 10K
R702
20K
R706
20K
R711
20K
R712
20K
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
C725
10uF
35V
C736
10uF
35V
L709
120-ohm
L706
120-ohm
L707
120-ohm
L708
120-ohm
C723
0.1uF
C722
0.1uF
C704 1uF 10V
C700 1uF 10V
C760
1uF
10V
C713
0.1uF16V
C727 0.1uF 16V
C724 0.1uF 16V
C730
0.1uF
16V
R718
100
C721
0.1uF
16V
0.1uF
C720
50V
C762
22uF
25V
C761
22uF
25V
SPEAKER_L
SPEAKER_R
EARPHONE AMP
7 12
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
EAX57644501
2008.12.12
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.
PANEL_POWER
+5V_ST
+3.3V_ST
+12V
PANEL_CTL
1:AK10
+3.3V_AVDD_MPLL
+3.3V_ST
Q805
2SC3052
E
B
C
Q804
2SC3052
E
B
C
L803
BLM18PG121SN1D
C803
0.1uF
16V
C808
0.1uF
16V
+5V_GENERAL
+5V_USB_SIDE
+12V
R847
56K
1%
R852
9.1K
C839
0.47uF
25V
R853
12.4K
1%
IC808
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
+3.3V
+1.8V_AMP
GND
+5V_ST
+1.8V_DDR
GND
L827
2.2uH
L826
2.2uH
C879
10uF
C878
10uF
C883
330pF
C882
330pF
R873
56000
5%
R874
75K
5%
POWER_ON/OFF1
1:AK11
C822
100uF
16V
+3.3V
+1.2V_TUNER
Q806
RSR025P03
S
D
G
+3.3V_CI
C810
100uF
16V
C824
220uF
16V
+5V_GENERAL
+12V
R815
6.8K
OPT
Q802
2SC3052
E
B
C
+24V
ERROR_OUT
+3.3V_ST
+5V_ST
INV_CTL
PWM_DIM
A_DIM
+3.3V_AVDD
+3.3V
C813
0.1uF
50V
+3.3V
C800
100uF
16V
C801
100uF
16V
L817
BLM18PG121SN1D
L814
BLM18PG121SN1D
L810
BLM18PG121SN1D
C806
100uF
16V
OPC_OUT1
R843 1.8K
R871
8.2K
1%
R809
10.5K
1%
L819
22UH
C860
5.6nF
50V
IC803
AP1117E18G-13
2
OUT
3
IN
1
ADJ/GND
IC801
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
R826
10
1/10W
1%
0.1uF
C856
L813
3.6uH
NR8040T3R6N
+1.26V_VDDC
C836
10nF
50V
+3.3V
+5V_ST
+3.3V_ST
L821
BLM18PG121SN1D
L807
CB3216UA121
L804
CB3216UA121
L806
CB3216UA121
L805
BLM18PG121SN1D
L812
BLM18PG121SN1D
IC805
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
R827
75K
1/8W
1%
R825
22K
1
%
R824
22K
1%
C847
4.7uF
16V
C845
10uF
16V
OPT
C826
100uF
16V
IC804
AZ1117H-1.2TRE1
1
ADJ/GND
2
OUT
3
IN
C858
22uF
16V
C866
10uF
C891
0.47uF
25V
OPC_OUT2
+3.3V_MEMC
C846
100uF
16V
C855
0.1uF
16V
C851
0.1uF
16V
C854
100uF
16V
+1.8V_FRC_DDR
IC807
SC4215ISTRT
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
R838
12K
1/10W
1%
R840
9.1K
1/10W
1%
R861
1uF
10V
L818
BLM18PG121SN1D
+5V_HDMI_SW
0
R841
C841
0.01uF
25V
C848
0.01uF
25V
C815
0.1uF
16V
C820
0.1uF
16V
C865
0.1uF
16V
C814
0.1uF
16V
C805
0.1uF
16V
C812
0.1uF
16V
C850
0.1uF
16V
C864
0.1uF
16V
C825
0.1uF
16V
C811
0.1uF
16V
C852
0.1uF
16V
C827
0.1uF
16V
C884
0.1uF
16V
C868
0.1uF 16V
C877
0.1uF
16V
C807
0.1uF
16V
OPT
C885
0.1uF
16V
C859
0.1uF
16V
C802
0.1uF
16V
C842
0.1uF
16V
R814
100
R848
100K
R872
10K
R821
10K
R822
10K
R823
10K
OPT
R842
10K
R836
10K
R830
10K
1/16W
OPT
R831
10K
1/16W
R833
10K
R832
10K
OPT
R800
10K
C876
22uF
C880
22uF
C829
1uF
6.3V
C840
1uF
6.3V
22
R859
OPT
R837
22K
R839
22K
R856
4.7K
R862
47
C890
0.1uF
16V
+5V_GENERAL
IC809
AP1117E33G-13
2
OUT
3
IN
1
ADJ/GND
+3.3V_TUNER
C894
0.1uF
16V
R806
0
+1.8V_DDR
+3.3V_ST
R802
10K
Q801
RT1P141C-T112
1
2
3
+5V_ST
Q800
2SC3052
E
B
C
R805
10K
R807
33K
OPT
POWER_ON/OFF1
R810
0
OPT
R804
10K
R818
3.3K
C832
68uF
35V
C821
68uF
35V
OPT
C892
100uF
16V
C893
100uF
16V
C835
22uF
25V
C837
22uF
OPT
C838
22uF
C843
22uF
10V
C849
22uF
10V
OPT
C853
1uF
25V
C809
470uF
16V
R811
1
R801
1
P800
FW20020-24S
19
.
14
.
9
.
4
.
18
.
13
.
8
.
3
.
17
.
12
.
7
.
2
.
16
.
11
.
6
.
1
.
20
12
15
.
10
.
5
.
21
11
22
14
23
.
24
13
C804
22uF
25V
R850
12.4K
1%
L815
BLM18PG121SN1D
C862
5.6nF
50V
R803
100K
C867
22uF
16V
R813
9.1K
C823
0.1uF 16V
IC810
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
C816
0.47uF
25V
C863
0.01uF
25V
L808
22UH
+3.3V_MEMC
+12V
C869
0.1uF
16V
C819
0.1uF
16V
R844
10K
IC802
BD9130EFJ-E2
3
ITH
2
VCC
4
GND
1
ADJ
5
PGND
6
SW
7
PVCC
8
EN
R834
10K
1%
R1
L809
2.2uH
R835
17.4K
1%
R2
C831
0.1uF
16V
C828
330pF
50V
C817
10uF
6.3V
C833
22uF
16V
R829
18K
+1.26V_MEMC
C830
10uF
6.3V
+3.3V_MEMC
R849
33K
1%
0.1uF
C834
16V
OPT
L828
BLM18PG121SN1D
L829
BLM18PG121SN1D
C895
0.1uF
16V
OPT
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
1uF
C818
6.3V
R851
4.7K
Stand-by +3.3V
C1130
8 12
POWER
+5V
$0.048
50 mA
180 mA
$0.05
450 mA
FROM LIPS & POWER B/D
BackLight On/Off
+12V
S6 core 1.26 volt
$0.28
$0.048
R1
R2
Vout=0.8*(1+R1/R2)
Replaced Part
Replaced Part
R1
Close to IC
$0.07
C IN
465 mA @85% efficiency
Close to IC
Placed on SMD-TOP
Placed on SMD-TOP
Replaced Part
1600 mA
MAX 3A
$0.24
4.9A 0.0150OHM 34MHZ
R2
R1
R2
Vout=0.8*(1+R1/R2)
Vout=0.923*(1+R1/R2)
DEVELOPE
2008.12.12
EAX57644501
400 mA
+1.8V_MEMC for DDR
$0.195
415 mA @85% efficiency
Vout=0.8*(1+R1/R2)
R1
R2
R1/R2 : 27K / 20K => Vout=1.88
R1/R2 : 12K / 9.1K => Vout=1.85
R1/R2 : 15K / 12K => Vout=1.80
R1/R2 : 18K / 13K => Vout=1.90
Replaced Part
$0.048
+12V
$0.28
Vout=0.923*(1+R1/R2)
R1
R2
5V SEPERATE FRC WITH TUNER 5V
+1.26V Core for FRC
C320 MUST BE PLACED NEAR PVCC PIN
Vout=0.8*(1+R1/R2)
$0.23
600mA
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