LG HW300Y, Service Manual

Page: 19 / 37

THERMAL
THERMAL
THERMAL
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.
D3.3V
ST_5V
C1085
0.01uF
R8066 3.9K
OPT
L203
BLM18PG121SN1D
C62 0.1uF
C1079
0.01uF
IC8005
AOZ1024DI
EAN60660601 1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
+5V
C8021
22uF
25V
1.2V_Core
L8020
BLM18PG121SN1D
0.1uF
C8062
C1066
0.1uF
0.1uF
C8050
C18
1000pF
IC900
LGE3549XS (LGE3549XS P22 , B2 version)
EAN60345904
DEV
DVSS_1
T6
DVSS_2
J7
DVSS_3
K7
DVSS_4
L7
DVSS_5
M7
DVSS_6
T7
DVSS_7
AA7
DVSS_8
T8
DVSS_10
AA8
DVSS_11
D9
DVSS_12
W9
DVSS_13
Y9
DVSS_14
K10
DVSS_15
L10
DVSS_16
M10
DVSS_17
N10
DVSS_18
P10
DVSS_19
R10
DVSS_20
T10
DVSS_21
U10
DVSS_22
W10
DVSS_23
A11
DVSS_24
K11
DVSS_25
L11
DVSS_26
M11
DVSS_27
N11
DVSS_28
P11
DVSS_29
R11
DVSS_30
T11
DVSS_31
U11
DVSS_32
D12
DVSS_33
G12
DVSS_34
K12
DVSS_35
L12
DVSS_36
M12
DVSS_37
N12
DVSS_38
P12
DVSS_39
R12
DVSS_40
T12
DVSS_41
U12
DVSS_42
K13
DVSS_43
L13
DVSS_44
M13
DVSS_45
N13
DVSS_46
P13
DVSS_47
R13
DVSS_48
T13
DVSS_49
U13
DVSS_50
G14
DVSS_51
K14
DVSS_52
L14
DVSS_53
M14
DVSS_54
N14
DVSS_55
P14
DVSS_56
R14
DVSS_57
T14
DVSS_58
U14
DVSS_59
K15
DVSS_60
L15
DVSS_61
M15
DVSS_62
N15
DVSS_63
P15
DVSS_64
R15
DVSS_65
T15
DVSS_66
U15
DVSS_67
W15
DVSS_68
A16
DVSS_69
G16
DVSS_70
K16
DVSS_71
L16
DVSS_72
M16
DVSS_73
N16
DVSS_74
P16
DVSS_75
R16
DVSS_76
T16
DVSS_77
U16
DVSS_78
D17
DVSS_79
K17
DVSS_80
L17
DVSS_81
M17
DVSS_82
N17
DVSS_83
P17
DVSS_84
R17
DVSS_85
T17
DVSS_86
U17
DVSS_87
AA17
DVSS_88
AB17
DVSS_89
G18
DVSS_91
AB18
DVSS_92
AC18
DVSS_95
D20
DVSS_96
G20
DVSS_97
H20
DVSS_98
J20
DVSS_99
K20
DVSS_100
L20
DVSS_101
M20
DVSS_102
N20
DVSS_103
P20
DVSS_104
R20
DVSS_105
U20
DVSS_106
A21
DVSS_107
N21
DVSS_90
V21
DVSS_93
W24
DVSS_94
F26
DVSS_9
K26
D8001
40V
RB160M-40
C8001
0.1uF
16V
C54 0.1uF
+5V_NORMAL
C1056
1000pF
C8072
0.1uF
16V
C1052
4.7uF
C60 0.1uF
0.1uF C8055
C1302
0.1uF
D1.8V
GND
C1061
1000pF
D3.3V
C59 0.1uF
C50 0.1uF
D1.2V
C40 0.1uF
C8051
0.1uF
50V
C76 0.1uF
R8051
10K
FAN1
L8006
MLB-201209-0120P-N2
C43 0.1uF
R8012
20K
C1051
1000pF
R204
1K
C67 0.1uF
C72 0.1uF
C1064
4.7uF
C1095
0.01uF
C57 0.1uF
C41 0.1uF
R
8
0
5
7
1
0
K
+3.5V_ST
C1099
0.1uF
P201
12507WR-03L
1
2
3
4
C1093
0.01uF
C8017
10uF
10V
D3.3V
C8030
10uF
10V
C49 0.1uF
R8009 10K
C63 0.1uF
R8080
10K
1/16W
5%
C1082
0.1uF
C8054
3300pF
50V
L205
BLM18PG121SN1D
R8014
1K
L13 BLM18PG121SN1D
+3.3V_NORMAL
L8018
BLM18PG121SN1D
IC202
TCA0372DM2ELG
3
OUT_A
2
NC1
4
VCC
1
VEE/GND1
6
NC2
5
OUT_B
7
NC3
8
VEE/GND2
9
VEE/GND3
10
NC4
11
IN_B-
12
IN_B+
13
IN_A+
14
IN_A-
15
NC5
16
VEE/GND4
L8016
CIC21J501NE
C1059
0.1uF
L8002
BLM18PG121SN1D
+5V_NORMAL
C61 0.1uF
P8001
12507WR-06L
1
2
3
4
5
6
7
C28 0.1uF
C1065
1000pF C1071
0.01uF
C223
100pF
50V
IC8003
BD9306AFVM
3
ENB
2
CT
4
GD
1
RT
5
VCC
6
GND
7
COMP
8
FB
C1301
0.01uF
D1.2V
C27 0.1uF
C1089
1000pF
C1062
1000pF
C1077
0.1uF
C1080
1000pF
1.2V_Core
L12 BLM18PG121SN1D
POSENSE
C8076
0.1uF
16V
R8069 27K
1%
C8019
100pF
50V
C26 0.1uF
R8011
1K
FAN2
C1075
0.1uF
C64 0.1uF
C24 0.1uF
D1.8V
C1060
0.1uF
FAN1_TACH
L8001
MLB-201209-0120P-N2
R8058
20K
1/16W 5%
D3.3V
C47 0.1uF
L8019
BLM18PG121SN1D
C58 0.1uF
C1091
4.7uF
L1007
BLM18PG121SN1D
C25 0.1uF
C46 0.1uF
C1097
0.01uF
C1068
0.01uF
0.1uF C8056
OPT
C1057
1000pF
R
8
0
5
6
2
0
K
0.1uF C8042
OPT
C8020
100pF
50V
C8032
0.1uF
16V
C20 0.1uF
C68 0.1uF
3.3V
C48 0.1uF
C8022
22uF
25V
+3.3V_NORMAL
L8015
3.6uH
R8071 10K
1%
C23 0.1uF
FAN2_TACH
C224
10uF
25V
C1054
0.01uF
L10 BLM18PG121SN1D
D1.2V
C1078
4.7uF
C1083
4.7uF
R203
1K
2.5V
C1086
4.7uF
C1063
0.01uF
C55 0.1uF
C13 0.1uF
C44 0.1uF
C1053
0.1uF
C1074
0.01uF
C1070
0.1uF
C8069 3300pF
50V
L8013
CIC21J501NE
R8059
0
IC900
LGE3549XS (LGE3549XS P22 , B2 version)
EAN60345904
DEV
VDDC_1
H8
VDDC_2
J8
VDDC_3
K8
VDDC_4
L8
VDDC_5
M8
VDDC_6
N8
VDDC_7
P8
VDDC_8
R8
VDDC_9
H9
VDDC_10
H10
VDDC_11
H11
VDDC_12
H12
VDDC_13
H13
VDDC_14
H14
VDDC_15
H15
VDDC_16
H16
VDDC_17
H17
VDDC_18
H18
VDDC_19
H19
VDDC_20
J19
VDDC_21
K19
VDDC_22
L19
VDDC_23
M19
VDDC_24
N19
VDDC_25
P19
VDDC_26
R19
VDDC_27
T19
VDDC_28
U19
VDDC_29
V19
AGC_VDDO
V24
VDDO_1
W11
VDDO_2
W12
VDDO_3
W17
VDDO_4
W18
VDDO_5
E26
VDDO_6
L26
VDDO_7
T26
DDRV_1
A9
DDRV_2
G9
DDRV_3
G11
DDRV_4
G13
DDRV_5
A14
DDRV_6
G15
DDRV_7
G17
DDRV_8
A19
DDRV_9
G19
IC8002
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C1073
1000pF
C225
0.1uF
50V
C1094
0.1uF
L11 BLM18PG121SN1D
C69 0.1uF
C8007
0.1uF
16V
C1076
4.7uF
C51 0.1uF
C1072
0.1uF
C1069
1000pF
R8070
4.7K 1/16W
1%
C65 0.1uF
D1.8V
D1.8V
C1067
1000pF
C39 0.1uF
C1084
4.7uF
D202 100V 1N4148W_DIODES
C8029
10uF
10V
R8060
10K
R8010
1K
C42 0.1uF
C17
1000pF
POWER_ON/OFF2_1
C73 0.1uF
C8070
0.1uF
16V
D203 100V
1N4148W_DIODES
C8018
0.1uF
D1.8V
+5V_NORMAL
+3.3V_NORMAL
C56 0.1uF
+3.3V_NORMAL
R8013 100K 1/16W 1%
C1092
1000pF
L204
BLM18PG121SN1D
0.1uF C8039
D3.3V
C45 0.1uF
C52 0.1uF
C1058
4.7uF
D3.3V
C222
100pF
50V
C1055
0.1uF
C74 0.1uF
IC8004
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C70 0.1uF
D3.3V
D1.2V
A2.5V
C71 0.1uF
C1088
0.01uF
C8063
0.1uF
16V
C53 0.1uF
R8052
0
C8053
10uF 6.3V
C8061
10uF
6.3V C8058
10uF
6.3V
C8048
10uF
6.3V C8038
10uF
6.3V
C134
10uF 6.3V
+3.3V_NORMAL
0.1uF C136
OPT
+5V_NORMAL
C131
10uF
6.3V
R8081
10K
C132
10uF
6.3V
IC8006
AP2132MP-2.5TRG1
EAN61387601
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
0.1uF
C133
0.1uF C135
R8082
0
C10
0.1uF
C90 0.1uF
C95 0.1uF
C88 0.1uF
C93 0.1uF
C89 0.1uF
C84 0.1uF
C85 0.1uF
C81 0.1uF
C97 0.1uF
C87 0.1uF
C82 0.1uF
C91 0.1uF
C96 0.1uF
C94 0.1uF
C86 0.1uF
C92 0.1uF
C83 0.1uF
C101 0.1uF
C102 0.1uF
C100 0.1uF
C98 0.1uF
C99 0.1uF
C121 0.1uF
C123 0.1uF
C120 0.1uF
C126 0.1uF
C124 0.1uF
C122 0.1uF
C125 0.1uF
C130 0.1uF
C128 0.1uF
C127 0.1uF
C129 0.1uF
1.2V_Core
C104 0.1uF
C107 0.1uF C106 22uF
3.3V
R
8
0
8
3
1
0
K
R
8
0
8
4
2
2
K
DMD_REF_1.9V
DMD_REF_1.9V
C1300
22uF
10V
C1096
22uF
10V
C8057
22uF
10V
C1090
22uF
10V C10000
22uF
10V
C8052
22uF
10V
C16 22uF 10V
C75 22uF 10V
C8006
22uF
10V
C8059
22uF
10V
C103 22uF
C37 10uF 6.3V
C36 10uF 6.3V
C1098
10uF
C8031 10uF 6.3V
C14
10uF
C8071
10uF
6.3V
C8073
10uF
6.3V
C8077
10uF 6.3V
C1087
10uF
C1081
10uF
C12 10uF
C38 10uF 6.3V
C15 10uF
C19 10uF 6.3V
C21 10uF 6.3V
C22 10uF 6.3V
C66 10uF 6.3V
C105
0.01uF
25V
C108
0.01uF
25V
L8023
500
L8022
500
L8014
500
L8017
500
L8008
500
L8012
500
IC8008
TPS54331D
3
EN
2
VIN
4
SS/TR
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
C8064
0.1uF
16V
L8010
6.8uH
L8007
MLB-201209-0120P-N2
C8046
22uF
10V
C8049
22uF
10V
C8024
0.1uF
50V
C8033
0.1uF
16V
C8028
0.015uF
50V
RL_ON
C8027
0.1uF
16V
C8047
22uF
10V
IC8007
TPS54331D
3
EN
2
VIN
4
SS/TR
1
BOOT
5
VSENSE
6
COMP
7
GND
8
PH
C8025
0.1uF
50V
C8044
22uF
10V
L8005
MLB-201209-0120P-N2
R8008
100
R8016
330K OPT
C8060
0.1uF
16V
C8026
0.015uF
50V
L8009
6.8uH
R8023
2K
R8022
10.5K
R8019
51K
C8035
27pF
50V C8040
390pF
50V
R
8
0
1
7
9
1
K
R8007
330K
C8015
22uF
25V C8023
22uF
25V
C8014
22uF
25V C8016
22uF
25V
R8020
10.5K
R8021
2K
C8036
390pF
50V
C8034
27pF
50V
R8018
51K
R8073
0
5%
C8013
22uF
25V
C8000
22uF
10V
R8207
0
1/10W
5%
R8208
0
1/10W
5%
R8209
0
1/10W
5%
R210
13K
R211
13K
R209 47K
R208
47K
L8003 22.0uH
R8025
10K 1/10W
1%
POWER_DET
C8065
1uF
10V
R8024 47K
D8004 40V SMAB34
D8003 40V SMAB34
Q8002
AO3438
G
D
S
ST_5V
+3.3V_NORMAL
IC8009
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
R8001
1.5K
R8223 910
P200
53261-0390
1
2
3
4
C8010
3300pF
50V OPT
C8004
0.1uF
50V
D1.2V
R8003
100
RL_ON
R8004 330K
OPT
C8043
22uF
10V
C8008
0.1uF
16V
C8037
22uF
10V
C8002
22uF
10V
C8012
0.1uF
16V
A1.2V
C8041
22uF
10V
C8045
0.1uF
16V
C8003
22uF
10V
R8002
0
L8011
BLM18PG121SN1D
IC8010
AOZ1038PI
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
NC_1
8
NC_2
9
[EP]LX
L8004
2uH
C8005
22uF
10V
R
8
0
0
6
4
.
9
9
K
R8005
16K
C8011
1000pF
50V
IC10
DPP6401
VSS_1
A2
VSS_2
A7
VSS_3
A13
VSS_4
A21
VSS_5
A22
VSS_6
B1
VSS_7
B2
VSS_8
B3
VSS_9
B4
VSS_10
B13
VSS_11
B20
VSS_12
B21
VSS_13
B22
VSS_14
C2
VSS_15
C3
VSS_16
C4
VSS_17
C19
VSS_18
C20
VSS_19
C21
VSS_20
C22
VSS_21
D3
VSS_22
D4
VSS_23
D19
VSS_24
D20
VSS_25
E4
VSS_26
E5
VSS_27
E18
VSS_28
E19
VSS_29
F9
VSS_30
F11
VSS_31
F14
VSS_32
H1
VSS_33
J9
VSS_34
J10
VSS_35
J11
VSS_36
J12
VSS_37
J13
VSS_38
J14
VSS_39
K9
VSS_40
K10
VSS_41
K11
VSS_42
K12
VSS_43
K13
VSS_44
K14
VSS_45
K22
VSS_46
L9
VSS_47
L10
VSS_48
L11
VSS_49
L12
VSS_50
L13
VSS_51
L14
VSS_52
L22
VSS_53
M9
VSS_54
M10
VSS_55
M11
VSS_56
M12
VSS_57
M13
VSS_58
M14
VSS_59
M17
VSS_60
N6
VSS_61
N9
VSS_62
N10
VSS_63
N11
VSS_64
N12
VSS_65
N13
VSS_66
N14
VSS_67
P9
VSS_68
P10
VSS_69
P11
VSS_70
P12
VSS_71
P13
VSS_72
P14
VSS_73
R1
VSS_74
U8
VSS_75
U15
VSS_76
V4
VSS_77
V5
VSS_78
V8
VSS_79
V14
VSS_80
V18
VSS_81
V19
VSS_82
V20
VSS_83
W3
VSS_84
W4
VSS_85
W10
VSS_86
W12
VSS_87
W19
VSS_88
W20
VSS_89
Y2
VSS_90
Y3
VSS_91
Y8
VSS_92
Y10
VSS_93
Y12
VSS_94
Y14
VSS_95
Y20
VSS_96
Y21
VSS_97
AA1
VSS_98
AA2
VSS_99
AA9
VSS_100
AA11
VSS_101
AA13
VSS_102
AA21
VSS_103
AB11
VSS_104
AB13
VSS_105
AB22
PLLM_VSS
B15
PLLD_VSS
B14
PLLM_VAS
C14
PLLD_VAS
C13
VDDC_1
E6
VDDC_2
E12
VDDC_3
E17
VDDC_4
F5
VDDC_5
F6
VDDC_6
F7
VDDC_7
F12
VDDC_8
F16
VDDC_9
F17
VDDC_10
F18
VDDC_11
G5
VDDC_12
G6
VDDC_13
G17
VDDC_14
K6
VDDC_15
K17
VDDC_16
L6
VDDC_17
L17
VDDC_18
M5
VDDC_19
M6
VDDC_20
N17
VDDC_21
P6
VDDC_22
P17
VDDC_23
R6
VDDC_24
R17
VDDC_25
U5
VDDC_26
U6
VDDC_27
U7
VDDC_28
U16
VDDC_29
U17
VDDC_30
U18
PLLD_VDD
E13
PLLM_VDD
E14
PLLD_VAD
D13
PLLM_VAD
D14
VDD33_1
A16
VDD33_2
A20
VDD33_3
E1
VDD33_4
E15
VDD33_5
F13
VDD33_6
F15
VDD33_7
G22
VDD33_8
H5
VDD33_9
H6
VDD33_10
H17
VDD33_11
H18
VDD33_12
J5
VDD33_13
J6
VDD33_14
J17
VDD33_15
J18
VDD33_16
K5
VDD33_17
K18
VDD33_18
L1
VDD33_19
L5
VDD33_20
N5
VDD33_21
N18
VDD33_22
P5
VDD33_23
R5
VDD33_24
T5
VDD33_25
T6
VDD33_26
T17
VDD33_27
T18
VDD33_28
T22
VDD33_29
U9
VDD33_30
U14
VDD33_31
V1
VDD33_32
V9
VDD33_33
Y22
VDD33_34
AA15
VDD33_35
AA22
VDD33_36
AB1
VDD33_37
AB9
VDD33_38
AB15
VDD33_39
AB21
DMD18_1
A4
DMD18_2
A11
DMD18_3
E8
DMD18_4
E10
DMD18_5
F8
DMD18_6
F10
FPD12_1
U11
FPD12_2
U12
FPD12_3
V11
FPD12_4
V12
FPD33_1
U10
FPD33_2
U13
FPD33_3
V10
FPD33_4
V13
R8015
8.2K
+3.3V_NORMAL
ST_BY Power
BCM3549 POWER
D1.8V
Max 1100 mA
R1
R2
Typ:500mA
Typ:9mA
Fan Control
Typ:7mA
A2.5V
Vout=0.6*(1+R1/R2)
R1
BCM3549 DDR 1.8V By CAP : Place near to BCM3549
DPP6401 Power
Typ:160mA
BCM core 1.2V volt
R2
VOUT : 2.533V
MAX 2.3A
1.9V_DMD
R2
R1
Vout=0.6*(1+R1/R2)
Vout=0.6*(1+R1/R2)
14.5V_FAN
2010.09.01
5 5
HW300-JE
Power
MAX 3.1A
MAX 3.1A
Normal Power
R1
R2
Switching freq: 555K
*NOTE 17
MAX 3.1A
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Only for training and service purposes
LGE Internal Use Only