LG 77EG9700 Service Manual page 57
Chassis: ea41c
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Also See for 77EG9700:
- Owner's manual (56 pages) ,
- Operating manual (53 pages) ,
- Owner's manual (44 pages)
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+1.1V_VDD
R12204
10K
C12214
1000pF
50V
RF
1
PGOOD
2
R12201
1K
EN
3
POWER_ON/OFF2_4
16V
0.1uF
VBST
4
C12217
NC_1
5
R12200
C12213
2K
SW_1
6
0.1uF
1/16W
SW_2
16V
5%
7
+1.1V_VDD_D14
SW_3
L12200
8
1uH
SW_4
9
C12203
C12205
C12212
22uF
22uF
22uF
C12215
470pF
50V
+12V
+1.5V
L12213
POWER_ON/OFF2_3
BLM18PG121SN1D
C12277
C12204
10uF
0.1uF
16V
R12221
10K
EN
R12218
R12219
FB
R1
18K
3.6K
1%
1%
VREG
C12278
100pF
50V
SS
1.0V_DCDC_TI
C12280-*1
R12220
3300pF
C12279
C12280
22K
50V
1uF
2200pF
1%
10V
50V
1.0V_DCDC_ROHM
R2
Vout=0.765*(1+R1/R2)=1.516V
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R12207
39K
R1
1/16W
5%
+12V
R2
FB
23
THERMAL
GND
L12201
22
29
MODE
21
IC12200
VREG
20
TPS53513RVER
VDD
19
NC_2
18
C12221
C12223
VIN_3
C12222
17
1uF
10uF
10uF
10V
VIN_2
16V
16V
16
8A
VIN_1
15
C12220
2200pF
50V
VDDC15_D14
DCDC_TI
IC12201-*1
TPS54327DDAR
[EP]GND
EN
VIN
1
8
VFB
VBST
2
7
VREG5
SW
3
6
DCDC_ROHM
IC12201
SS
GND
4
5
BD9D320EFJ
[EP]FIN
VIN
1
8
16V
0.1uF
C12281
BOOT
2
7
L12214
2.2uH
SW
3
6
NR5040T2R2N
GND
3A
C12282
4
5
C12283
ZD12201
22uF
22uF
2.5V
10V
10V
OPT
+1.1V_Bypass Cap
+1.1V_VDD_D14
4th layer
VDDC11_XTAL_D14
L12203
BLM18PG121SN1D
+3.3V_Bypass Cap
VDD33_D14
+3.3V_NORMAL
L12205
BLM18PG121SN1D
+2.5V_Normal
VDD33_XTAL_D14
4th layer
L12206
BLM18PG121SN1D
+1.5V_Bypass Cap
VDDC15_D14
VDDC15_D14
4th layer
4th layer
VREF_M0_0_D14
VREF_M1_0_D14
R12210
R12214
R12208
R12212
1K 1%
1K 1%
1K 1%
1K 1%
C12251
C12265
0.1uF
0.1uF
OPT
OPT
VREF_M0_1_D14
VREF_M1_1_D14
R12209
R12211
R12213
R12215
1K 1%
1K 1%
1K 1%
1K 1%
C12252
C12266
0.1uF
0.1uF
OPT
OPT
+2.5V_Bypass Cap
VDD25_D14
L12210
BLM18PG121SN1D
VREF_M0_1_D14
VREF_M1_0_D14
VDD25_XTAL_D14
4th layer
VREF_M1_1_D14
L12209
BLM18PG121SN1D
IC12000
+1.1V_VDD_D14
LG1512D
J13
E10
AVDD11_HDMI0_1
VSS_26
J14
E11
AVDD11_HDMI0_2
VSS_27
J11
E12
AVDD11_HDMI1_1
VSS_28
J12
E13
AVDD11_HDMI1_2
VSS_29
H9
E14
DVDD11_1
VSS_30
J9
E15
DVDD11_2
VSS_31
J15
E16
DVDD11_3
VSS_32
K9
E17
DVDD11_4
VSS_33
K15
E18
DVDD11_5
VSS_34
L9
E19
DVDD11_6
VSS_35
L15
F6
DVDD11_7
VSS_36
M9
F7
DVDD11_8
VSS_37
M15
F9
DVDD11_9
VSS_38
N15
F10
DVDD11_10
VSS_39
P9
F11
DVDD11_11
VSS_40
P10
F14
DVDD11_12
VSS_41
P11
F15
DVDD11_13
VSS_42
P12
F16
VDDC11_XTAL_D14
DVDD11_14
VSS_43
P13
F17
DVDD11_15
VSS_44
P15
F18
DVDD11_16
VSS_45
B4
F19
DVDD11_PLL
VSS_46
A4
G6
VDDC15_D14
DVDD11_XTAL
VSS_47
G18
VSS_48
T9
G19
DVDD15_DDR0_1
VSS_49
T10
H6
DVDD15_DDR0_2
VSS_50
T11
H18
DVDD15_DDR0_3
VSS_51
T12
H19
DVDD15_DDR0_4
VSS_52
T13
J6
DVDD15_DDR0_5
VSS_53
T14
J10
DVDD15_DDR0_6
VSS_54
T15
J18
VDDC15_D14
DVDD15_DDR0_7
VSS_55
T16
J19
DVDD15_DDR0_8
VSS_56
T17
K6
DVDD15_DDR0_9
VSS_57
G7
K10
DVDD15_DDR1_1
VSS_58
H7
K11
DVDD15_DDR1_2
VSS_59
J7
K12
DVDD15_DDR1_3
VSS_60
K7
K13
DVDD15_DDR1_4
VSS_61
L7
K14
DVDD15_DDR1_5
VSS_62
M7
K18
DVDD15_DDR1_6
VSS_63
N7
L6
DVDD15_DDR1_7
VSS_64
P7
L10
DVDD15_DDR1_8
VSS_65
R7
L11
DVDD15_DDR1_9
VSS_66
L12
VDD25_D14
VSS_67
H13
L13
AVDD25_HDMI0_1
VSS_68
H14
L14
AVDD25_HDMI0_2
VSS_69
H11
L18
AVDD25_HDMI1_1
VSS_70
H12
M6
AVDD25_HDMI1_2
VSS_71
H15
M10
VDD25_XTAL_D14
DVDD25_OTP
VSS_72
B5
M11
DVDD25_PLL
VSS_73
M12
VDD33_D14
VSS_74
F8
M13
DVDD33_1
VSS_75
F12
M14
DVDD33_2
VSS_76
F13
M18
DVDD33_3
VSS_77
H10
N6
DVDD33_4
VSS_78
H16
N9
DVDD33_5
VSS_79
J16
N10
DVDD33_6
VSS_80
K16
N11
DVDD33_7
VSS_81
L16
N12
DVDD33_8
VSS_82
M16
N13
DVDD33_9
VSS_83
VDD33_XTAL_D14
N16
N14
DVDD33_10
VSS_84
P16
N18
DVDD33_11
VSS_85
T8
P6
VREF_M0_0_D14
DVDD33_12
VSS_86
A5
P14
DVDD33_XTAL
VSS_87
P18
VSS_88
AB3
R6
VREF0_DDR0
VSS_89
AA22
R18
VREF1_DDR0
VSS_90
B1
R19
VREF0_DDR1
VSS_91
AA1
R20
VREF1_DDR1
VSS_92
T6
VSS_93
T7
VSS_94
A2
T18
VSS_1
VSS_95
A14
T19
VSS_2
VSS_96
B2
U6
VSS_3
VSS_97
C4
U7
VSS_4
VSS_98
C5
U8
VSS_5
VSS_99
D4
U9
VSS_6
VSS_100
D5
U10
VSS_7
VSS_101
D6
U11
VSS_8
VSS_102
D7
U12
VSS_9
VSS_103
D8
U13
VSS_10
VSS_104
D9
U14
VSS_11
VSS_105
D10
U15
VSS_12
VSS_106
D11
U16
VSS_13
VSS_107
D12
U17
VSS_14
VSS_108
D13
U18
VSS_15
VSS_109
D14
U19
VSS_16
VSS_110
D15
V4
VSS_17
VSS_111
D16
V5
VSS_18
VSS_112
D17
V19
VSS_19
VSS_113
D18
W4
VSS_20
VSS_114
D19
W5
VSS_21
VSS_115
E6
W19
VSS_22
VSS_116
E7
AA2
VSS_23
VSS_117
E8
AA3
VSS_24
VSS_118
E9
AB2
VSS_25
VSS_119
BSD-14Y-UD-122-HD
2013.12.17
LGE Internal Use Only
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