Read LG 42LF7300 Service Manual online
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
ST2V6_ON
ST2V6_ON
DCDC_ON
DCDC_ON
ST_2V6
ST_3V3
+SYS_VDD_DDR
+SYS_VTT_DDR
+SYS_VREF_DDR
+SYS_VDD_DDR
ST_3V3
ST_1V1
ST_3V3
+3V3_STI7103
ST_3V3
+SYS_VDD_DDR
+SYS_VDD_DDR
+5V
+5VSTB
ST_3V3
+5VSTB
ST_1V1
DCDC_ON
3,19
DCDC_ON
1,3,19
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-31
10
STi7103[POWER REGULATOR]
LGE HD T+C
LF7300
31
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-31
10
STi7103[POWER REGULATOR]
LGE HD T+C
LF7300
31
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-31
10
STi7103[POWER REGULATOR]
LGE HD T+C
LF7300
31
43
Wednesday, April 15, 2009
SOIC14
UD1075
FAN1655M
UD1075
FAN1655M
VDD
1
VDD
2
VTTFORCE
3
VSS
4
VSS
5
VTTFORCE
6
VDD
7
VDDQ
14
VREFOUT
13
VSSQ
12
/SHDN
11
VREFIN
10
VTTSENSE
9
VSS
8
C478
332p/50V/1005
C478
332p/50V/1005
C464
106p/16V/2012
C464
106p/16V/2012
R566
121/3216
121/3216
R566
121/3216
121/3216
R507
202/F/1005
R507
202/F/1005
C1084
220uF/16V/MVK/S
C1084
220uF/16V/MVK/S
CD1103
104p/16V/1005
CD1103
104p/16V/1005
TP1077
PCB_TP10
PCB_TP10
TP1077
PCB_TP10
PCB_TP10
1
Q42
IRLML6402TRPBF
IRLML6402TRPBF
Q42
IRLML6402TRPBF
IRLML6402TRPBF
2
1
3
C502
475p/6.3V/2012
C502
475p/6.3V/2012
TP1074
PCB_TP10
PCB_TP10
TP1074
PCB_TP10
PCB_TP10
1
D34
OPEN-LL4148
D34
OPEN-LL4148
1
2
C477
104p/50V
C477
104p/50V
C489
105p/25V
C489
105p/25V
C499
104p/16V/1005
C499
104p/16V/1005
TP186
PCB_TP10
PCB_TP10
TP186
PCB_TP10
PCB_TP10
1
TP1075
PCB_TP10
PCB_TP10
TP1075
PCB_TP10
PCB_TP10
1
Q40
MMBT4401
Q40
MMBT4401
1
2
3
R504
912/F/1005
R504
912/F/1005
R560
000/1005
R560
000/1005
TP1073
PCB_TP10
PCB_TP10
TP1073
PCB_TP10
PCB_TP10
1
C469
226p/6.3V/2012
C469
226p/6.3V/2012
C501
OPEN-105p/16V/1005
C501
OPEN-105p/16V/1005
R502
103/1005
R502
103/1005
R505
562/1005
R505
562/1005
C474
684p/16V
684p/16V
C474
684p/16V
684p/16V
C490
OPEN-104p/50V
C490
OPEN-104p/50V
R516
103/1005
R516
103/1005
D14
OPEN-SX34
OPEN-SX34
D14
OPEN-SX34
OPEN-SX34
R523
103/1005
103/1005
R523
103/1005
103/1005
RD1078
103/1005
RD1078
103/1005
C486
226p/6.3V/2012
C486
226p/6.3V/2012
R525
OPEN-104/1005
OPEN-104/1005
R525
OPEN-104/1005
OPEN-104/1005
L85
BLM18PG300SN1D
L85
BLM18PG300SN1D
C487
OPEN-100uF/16V/MVK/S
C487
OPEN-100uF/16V/MVK/S
U29
MP2307
MP2307
U29
MP2307
MP2307
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND_
P
9
RD1076
272/F
272/F
RD1076
272/F
272/F
C503
104p/16V/1005
C503
104p/16V/1005
C465
220uF/16V/MVK/S
C465
220uF/16V/MVK/S
C473
332p/50V/1005
C473
332p/50V/1005
R506
562/1005
R506
562/1005
U10
MP2307
MP2307
U10
MP2307
MP2307
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND_
P
9
C462
103p/50V/1005
C462
103p/50V/1005
CD1102
226p/6.3V/2012
CD1102
226p/6.3V/2012
CD1089
104p/16V/1005
CD1089
104p/16V/1005
C479
OPEN-561p/50V/1005
C479
OPEN-561p/50V/1005
L82
SPC10040-4R7M
SPC10040-4R7M
L82
SPC10040-4R7M
SPC10040-4R7M
C475
104p/50V
C475
104p/50V
CD1092
220uF/16V/MVK/S
CD1092
220uF/16V/MVK/S
TP188
PCB_TP10
PCB_TP10
TP188
PCB_TP10
PCB_TP10
1
C488
104p/16V/1005
C488
104p/16V/1005
RD1077
122/F/1005
122/F/1005
RD1077
122/F/1005
122/F/1005
TP1076
PCB_TP10
TP1076
PCB_TP10
1
CD1096
104p/16V/1005
CD1096
104p/16V/1005
L83
4.7uH/SPC7040-4R7/3.5A
L83
4.7uH/SPC7040-4R7/3.5A
Q41
MMBT4401
Q41
MMBT4401
1
2
3
R500
243/F/1005
R500
243/F/1005
CD1090
104p/16V/1005
CD1090
104p/16V/1005
Q43
MMBT4401
Q43
MMBT4401
1
2
3
C463
106p/16V/2012
C463
106p/16V/2012
C466
100uF/16V/MVK/S
C466
100uF/16V/MVK/S
R503
912/F/1005
R503
912/F/1005
R559
000/1005
R559
000/1005
TP185
PCB_TP10
PCB_TP10
TP185
PCB_TP10
PCB_TP10
1
CD1101
102p/50V/1005
CD1101
102p/50V/1005
C476
104p/50V
104p/50V
C476
104p/50V
104p/50V
CD1099
220uF/16V/MVK/S
CD1099
220uF/16V/MVK/S
C500
220uF/16V/MVK/S
C500
220uF/16V/MVK/S
C467
106p/16V/2012
C467
106p/16V/2012
C468
106p/16V/2012
C468
106p/16V/2012
UD1074
RT9183H-PM5
RT9183H-PM5
UD1074
RT9183H-PM5
RT9183H-PM5
VI
2
VO
4
GND
3
SEN
5
SD
1
GND
6
R501
103/1005
R501
103/1005
D12
OPEN-SX34
OPEN-SX34
D12
OPEN-SX34
OPEN-SX34
CD1104
102p/50V/1005
CD1104
102p/50V/1005
R514
103/1005
103/1005
R514
103/1005
103/1005
R511
753/F/1005
753/F/1005
R511
753/F/1005
753/F/1005
TP192
PCB_TP10
PCB_TP10
TP192
PCB_TP10
PCB_TP10
1
C481
103p/50V/1005
C481
103p/50V/1005
C480
OPEN-561p/50V/1005
C480
OPEN-561p/50V/1005
R519
OPEN-222/1005
R519
OPEN-222/1005
CD1095
102p/50V/1005
CD1095
102p/50V/1005
D35
OPEN-LL4148
D35
OPEN-LL4148
1
2
C470
226p/6.3V/2012
C470
226p/6.3V/2012
R524
OPEN-104/1005
OPEN-104/1005
R524
OPEN-104/1005
OPEN-104/1005
R518
103/1005
103/1005
R518
103/1005
103/1005
TP187
PCB_TP10
PCB_TP10
TP187
PCB_TP10
PCB_TP10
1
C471
226p/6.3V/2012
C471
226p/6.3V/2012
R520
183/1005
R520
183/1005
C472
226p/6.3V/2012
C472
226p/6.3V/2012
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+3V3_ST
ST_2V6
ST_1V1
ST_2V6
ST_2V6
+2V6_ST
+2V6_ST
ST_1V1
ST_1V1
ST_2V6
+2V6_ST_AUD
+3V3_STI7103
ST_1V1
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-32
10
STi7103[POWER IN1]
LGE HD T+C
LF7300
32
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-32
10
STi7103[POWER IN1]
LGE HD T+C
LF7300
32
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-32
10
STi7103[POWER IN1]
LGE HD T+C
LF7300
32
43
Wednesday, April 15, 2009
C514
105p/16V/1005
C514
105p/16V/1005
L88
BLM21PG600SN1D
BLM21PG600SN1D
L88
BLM21PG600SN1D
BLM21PG600SN1D
C523
105p/16V/1005
C523
105p/16V/1005
C515
105p/16V/1005
C515
105p/16V/1005
C531
105p/16V/1005
C531
105p/16V/1005
L89
BLM18PG300SN1D
L89
BLM18PG300SN1D
C539
104p/16V/1005
C539
104p/16V/1005
C532
106p/10V/2012
C532
106p/10V/2012
C541
105p/16V/1005
C541
105p/16V/1005
C537
104p/16V/1005
C537
104p/16V/1005
C547
104p/16V/1005
C547
104p/16V/1005
C525
106p/10V/2012
C525
106p/10V/2012
C517
104p/16V/1005
C517
104p/16V/1005
L90
BLM18PG300SN1D
L90
BLM18PG300SN1D
C543
106p/10V/2012
C543
106p/10V/2012
C528
105p/16V/1005
C528
105p/16V/1005
C520
104p/16V/1005
C520
104p/16V/1005
C527
106p/10V/2012
C527
106p/10V/2012
L91
BLM21PG600SN1D
BLM21PG600SN1D
L91
BLM21PG600SN1D
BLM21PG600SN1D
C530
105p/16V/1005
C530
105p/16V/1005
C534
104p/16V/1005
C534
104p/16V/1005
C518
104p/16V/1005
C518
104p/16V/1005
C509
104p/16V/1005
C509
104p/16V/1005
C533
105p/16V/1005
C533
105p/16V/1005
C526
106p/10V/2012
C526
106p/10V/2012
C516
104p/16V/1005
C516
104p/16V/1005
C540
104p/16V/1005
C540
104p/16V/1005
C521
105p/16V/1005
C521
105p/16V/1005
C546
105p/16V/1005
C546
105p/16V/1005
C535
104p/16V/1005
C535
104p/16V/1005
C545
104p/16V/1005
C545
104p/16V/1005
C508
105p/16V/1005
C508
105p/16V/1005
C529
105p/16V/1005
C529
105p/16V/1005
C538
104p/16V/1005
C538
104p/16V/1005
C524
106p/10V/2012
C524
106p/10V/2012
C522
106p/10V/2012
C522
106p/10V/2012
C512
106p/10V/2012
C512
106p/10V/2012
C544
105p/16V/1005
C544
105p/16V/1005
L92
BLM18PG300SN1D
L92
BLM18PG300SN1D
C542
105p/16V/1005
C542
105p/16V/1005
C519
104p/16V/1005
C519
104p/16V/1005
C511
103p/50V/1005
C511
103p/50V/1005
L87
BLM21PG600SN1D
BLM21PG600SN1D
L87
BLM21PG600SN1D
BLM21PG600SN1D
Power
SATA
HDMI
CLK GEN A
CLK GEN B
CLK GEN C
USB
STI7103HUD
U1131H
Power
SATA
HDMI
CLK GEN A
CLK GEN B
CLK GEN C
USB
STI7103HUD
U1131H
USBVDDBS
AC22
USBVDDP
AD22
USBVDDBC2V5
AF21
USBVDDP2V5
AE22
DVDDPLL80V0
N25
FS0_VCCA
M26
FS0_VDDD
N26
DA_HD_0_VCCA
E30
DA_SD_0_VCCA
F30
CKGA_PLL1_AVDDPLL2V5
J10
CKGA_PLL2_AVDDPLL2V5
J11
CKGA_PLL_VDDE2V5
J9
CKGA_PLL1_DVDDPLL1V0
K9
CKGA_PLL2_DVDDPLL1V0
K10
CKGB_4FS0_VCCA
J24
CKGB_4FS1_VCCA
K24
AVDDPLL80V0
G27
CKGB_4FS1_VDDD
K23
CKGB_4FS0_VDDD
J23
AUD_VCCA
B24
USBVSSBS
AK24
USBVSSP
AJ24
USBVSSC2V5
AH23
USBVSSP2V5
AK23
GNDE_4FS_ANA
T29
GNDE_AUD_ANA
K28
GNDE_FS0_ANA
M29
GNDE_PLL80_ANA
J30
GNDE_VID_ANA
P25
GND_ANA
F21
GND_ANA
C20
GND_ANA
F23
GND_ANA
G19
GND_ANA
F19
GND_ANA
G22
FS0_GNDD
R28
FS0_GNDA
P27
CKGA_PLL1_DGNDPLL1V0
B2
CKGA_PLL2_AGNDPLL2V5
C3
CKGA_PLL2_DGNDPLL1V0
F4
CKGB_4FS0_GNDA
L22
CKGB_4FS1_GNDA
M22
DGNDPLL80V0
N27
DA_HD_0_GNDA
C32
DA_SD_0_GNDA
A29
CKGB_4FS0_GNDD
L21
CKGB_4FS1_GNDD
M21
VDDE2V5_4FS_ANA
P23
VDDE2V5_AUD_ANA
R23
VDDE2V5_FS0_ANA
T23
U23
VDDE2V5_PLL80_ANA
AUD_GNDA
E26
AUD_GNDAS
F25
AGNDPLL80V0
H26
GND_ANA
H20
VDDE3V3
AA10
VDDE3V3
AA12
VDDE3V3
AA11
VDDE3V3
AA22
VDDE3V3
L11
VDDE3V3
L12
VDDE3V3
AA21
VDDE3V3
K22
VDDE3V3
M1
1
VDDE3V3
M1
2
VDDE3V3
L23
VDDE3V3
L24
VDDE3V3
K21
VDDE3V3
AB10
VDDE3V3
AB11
VDDE3V3
AB12
VDDE3V3
AB21
VDDE3V3
AB22
VDDE3V3
AB9
VDDE3V3
AC21
VDDE3V3
J2
1
VDDE3V3
AA9
VDDE3V3
J2
2
VDDE2V5_VID_ANA
W23
VDDE2V5_VID_ANA
V23
TMDSVSSC0
U32
TMDSVSSC1
U31
TMDSVSSC2
V31
TMDSVSSCK
V30
TMDSVSSD
AA29
TMDSVSSP
Y28
TMDSVSSSL
W28
TMDSVSSX
AA27
TMDSVDD
P24
TMDSVDDC0
R24
TMDSVDDC1
T24
TMDSVDDC2
U24
TMDSVDDCK
V24
TMDSVDDD
W24
TMDSVDDP
AA23
TMDSVDDSL
AB23
TMDSVDDX
AC23
TMDSVDDE3V3
M24
SATAVDDDELAYDLL
AB24
SATAVDDDLL
AC24
SATAVDDOSC
AD23
SATAVDDOSC2V5
AF23
SATAVDDR[0]
AK25
SATAVDDR[1]
AJ22
SATAVDDREF
AA24
SATAVDDT[0]
AJ26
SATAVDDT[1]
AK27
SATAVSSDELAYDLL
AE29
SATAVSSDLL
AF28
SATAVSSOSC
AG27
SATAVSSR
AH27
SATAVSSREF
AJ27
SATAVSSSUBOSC
AF26
SATAVSST
AD24
USBVDDB3V3
AD21
TMDSGNDE
Y25
CKGA_PLL1_AGNDPLL2V5
B1
VDDE2V5
K11
VDDE2V5
J12
VDDE2V5
K12
VDDE2V5
AD10
VDDE2V5
AD9
VDDE2V5
AC10
VDDE2V5
AC9
GNDE
M1
9
GNDE
M2
0
GNDE
AA19
GNDE
AB14
GNDE
AA14
GNDE
AB16
GNDE
AB17
GNDE
AB18
GNDE
AB15
GNDE
AA17
GNDE
AA18
GNDE
L15
GNDE
L16
GNDE
L17
GNDE
L18
GNDE
L19
GNDE
W12
GNDE
AA15
GNDE
AA16
GNDE
M1
5
GNDE
M1
6
GNDE
M1
7
GNDE
M1
8
GNDE
P21
GNDE
P22
GNDE
M2
3
GNDE
N1
1
GNDE
AB19
GNDE
L13
GNDE
L14
GNDE
P11
GNDE
P12
GNDE
Y22
GNDE
W22
GNDE
W11
GNDE
Y12
GNDE
W21
GNDE
N2
2
GNDE
Y11
GNDE
N1
2
GNDE
Y21
GNDE
M1
4
GNDE
L20
GNDE
N2
1
GNDE
M1
3
C507
106p/10V/2012
C507
106p/10V/2012
C536
104p/16V/1005
C536
104p/16V/1005
C510
104p/16V/1005
C510
104p/16V/1005
C513
106p/10V/2012
C513
106p/10V/2012
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