Read LG 42LF7300 Service Manual online
1
1
2
2
3
3
4
4
5
5
A
A
B
B
C
C
D
D
DCDC_ON
DCDC_ON
+3V3FRC
+1V8FRC
+12V
+3V3FRC
+3V3DIG
+12V
+1V26FRC
DCDC_ON
1,3,31
DCDC_ON
1,3,31
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-19
10
FRC[POWER REGULATOR]
LGE HD T+C
LF7300
19
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-19
10
FRC[POWER REGULATOR]
LGE HD T+C
LF7300
19
43
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-19
10
FRC[POWER REGULATOR]
LGE HD T+C
LF7300
19
43
Wednesday, April 15, 2009
C492
473p/50V
C492
473p/50V
C497
226p/6.3V/2012
C497
226p/6.3V/2012
C365
OPEN-561p/50V/1005
C365
OPEN-561p/50V/1005
R368
562/F/1005
562/F/1005
R368
562/F/1005
562/F/1005
C355
103p/50V/1005
C355
103p/50V/1005
TP124
PCB_TP10
PCB_TP10
TP124
PCB_TP10
PCB_TP10
1
C363
OPEN-104p/50V
C363
OPEN-104p/50V
C493
103p/50V/1005
C493
103p/50V/1005
R521
OPEN-104/1005
OPEN-104/1005
R521
OPEN-104/1005
OPEN-104/1005
C340
104p/16V/1005
C340
104p/16V/1005
C485
332p/50V/1005
C485
332p/50V/1005
U28
MP2307
MP2307
U28
MP2307
MP2307
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND_
P
9
C357
106p/25V/3216
C357
106p/25V/3216
C362
332p/50V/1005
C362
332p/50V/1005
D32
OPEN-LL4148
D32
OPEN-LL4148
1
2
C349
104p/16V/1005
C349
104p/16V/1005
L86
BLM18PG300SN1D
BLM18PG300SN1D
L86
BLM18PG300SN1D
BLM18PG300SN1D
C496
106p/25V/3216
C496
106p/25V/3216
C346
101p/50V/1005
C346
101p/50V/1005
C506
100uF/16V/MVK/S
C506
100uF/16V/MVK/S
R375
243/F/1005
R375
243/F/1005
C360
226p/6.3V/2012
226p/6.3V/2012
C360
226p/6.3V/2012
226p/6.3V/2012
R378
912/F/1005
R378
912/F/1005
R558
000/1005
R558
000/1005
L61
BLM18PG300SN1D
BLM18PG300SN1D
L61
BLM18PG300SN1D
BLM18PG300SN1D
TP127
PCB_TP10
PCB_TP10
TP127
PCB_TP10
PCB_TP10
1
TP125
PCB_TP10
PCB_TP10
TP125
PCB_TP10
PCB_TP10
1
C494
OPEN-561p/50V/1005
C494
OPEN-561p/50V/1005
R370
103/F/1005
103/F/1005
R370
103/F/1005
103/F/1005
R550
000/1005
R550
000/1005
C356
106p/25V/3216
C356
106p/25V/3216
R374
103/1005
R374
103/1005
C378
OPEN-473p/50V
C378
OPEN-473p/50V
U20
MP2307
MP2307
U20
MP2307
MP2307
BS
1
IN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND_
P
9
R376
103/1005
R376
103/1005
D11
OPEN-SX34
OPEN-SX34
D11
OPEN-SX34
OPEN-SX34
L96
4.7uH/SPC7040-4R7/3.5A
L96
4.7uH/SPC7040-4R7/3.5A
U27
LD29150PT/P-PAK 5P
U27
LD29150PT/P-PAK 5P
/INH
1
VIN
2
GND
3
VOUT
4
ADJ
5
GND
6
L60
4.7uH/SPC7040-4R7/3.5A
L60
4.7uH/SPC7040-4R7/3.5A
D13
OPEN-SX34
OPEN-SX34
D13
OPEN-SX34
OPEN-SX34
C361
226p/6.3V/2012
226p/6.3V/2012
C361
226p/6.3V/2012
226p/6.3V/2012
R428
912/F/1005
R428
912/F/1005
R522
OPEN-104/1005
OPEN-104/1005
R522
OPEN-104/1005
OPEN-104/1005
C359
226p/6.3V/2012
C359
226p/6.3V/2012
TP126
PCB_TP10
PCB_TP10
TP126
PCB_TP10
PCB_TP10
1
R367
103/F/1005
103/F/1005
R367
103/F/1005
103/F/1005
TP122
PCB_TP10
PCB_TP10
TP122
PCB_TP10
PCB_TP10
1
C358
226p/6.3V/2012
C358
226p/6.3V/2012
R426
562/1005
R426
562/1005
C364
104p/50V
C364
104p/50V
C348
106p/16V/2012
C348
106p/16V/2012
D33
OPEN-LL4148
D33
OPEN-LL4148
1
2
C498
226p/6.3V/2012
C498
226p/6.3V/2012
R429
332/F/1005
R429
332/F/1005
C495
106p/25V/3216
C495
106p/25V/3216
R377
562/1005
R377
562/1005
C350
105p/25V
C350
105p/25V
TP123
PCB_TP10
PCB_TP10
TP123
PCB_TP10
PCB_TP10
1
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
SPI_CZ
MST_WP
SPI_DO
/RESET
SPI_CK
SPI_CZ
MST_MSCL
S_SDA
S_SCL
MST_MSCL
SPI_DI
MST_MSDA
SPI_DO
S_SCL
S_SDA
MST_MSDA
/RESET
SPI_CK
SPI_DI
+3V3DIG
+3V3DIG
+3V3DIG
+3V3DIG
+3V3DIG
+3V3DIG
+3V3DIG
+3V3DIG
FRC_RST
4
FLI_SCL0
2,4,12,18
FLI_SDA0
2,4,12,18
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-20
10
FRC[GPIO]
LGE HD T+C
LF7300
20
45
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-20
10
FRC[GPIO]
LGE HD T+C
LF7300
20
45
Wednesday, April 15, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
LF7300-MAIN-20
10
FRC[GPIO]
LGE HD T+C
LF7300
20
45
Wednesday, April 15, 2009
SPI Flash
EEPROM
I2C
EEPROM
SPI
GPIO8
PWM1
PWM0
HIGH
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
LOW
C367
120p/50V/1005
C367
120p/50V/1005
R388
821/1005
R388
821/1005
R385
000/1005
R385
000/1005
C366
OPEN-22uF/16V/MVK/S
OPEN-22uF/16V/MVK/S
C366
OPEN-22uF/16V/MVK/S
OPEN-22uF/16V/MVK/S
U32
OPEN-24LC256
U32
OPEN-24LC256
A0
1
A1
2
A2
3
VSS
4
VCC
8
SCL
6
SDA
5
WP
7
R383
103/1005
103/1005
R383
103/1005
103/1005
C370
104p/16V/1005
C370
104p/16V/1005
R389
102/1005
R389
102/1005
R399
560/1005
R399
560/1005
R380
330/1005
R380
330/1005
R398
560/1005
R398
560/1005
C371
OPEN-104p/16V/1005
C371
OPEN-104p/16V/1005
R382
472/1005
R382
472/1005
R400
560/1005
R400
560/1005
R392
OPEN-102/1005
R392
OPEN-102/1005
C368
120p/50V/1005
C368
120p/50V/1005
R397
560/1005
R397
560/1005
R394
102/1005
R394
102/1005
R391
102/1005
R391
102/1005
R381
472/1005
R381
472/1005
R395
OPEN-102/1005
R395
OPEN-102/1005
R384
101/1005
101/1005
R384
101/1005
101/1005
2mm
JP20
OPEN-53014-0410
OPEN-53014-0410
2mm
JP20
OPEN-53014-0410
OPEN-53014-0410
4
3
2
1
U31
MX25L1005MI-12G
U31
MX25L1005MI-12G
/CS
1
DO
2
/WP
3
GND
4
VCC
8
CLK
6
DIO
5
/HOLD
7
U581A
MST7329N
MST7329N
U581A
MST7329N
MST7329N
I2CS_SDA
E1
I2CS_SCL
D1
I2CM_SDA
D5
I2CM_SCL
D6
XIN
D3
XOUT
D4
SPL_CZ
K13
SPL_DO
M12
SPL_DI
M13
SPL_CK
L13
RESET
M11
GND[0]
N11
REXT
D12
PWM1
L12
PWM0
K12
R396
103/1005
103/1005
R396
103/1005
103/1005
R393
OPEN-102/1005
R393
OPEN-102/1005
R390
105/1005
R390
105/1005
R386
OPEN-103/1005
OPEN-103/1005
R386
OPEN-103/1005
OPEN-103/1005
Y3
12MHz/12pF/SMD
12MHz/12pF/SMD
Y3
12MHz/12pF/SMD
12MHz/12pF/SMD
1
2
R379
330/1005
R379
330/1005
S3
OPEN-JTP1127WEM
OPEN-JTP1127WEM
S3
OPEN-JTP1127WEM
OPEN-JTP1127WEM
1
2
3
4
C369
104p/16V/1005
104p/16V/1005
C369
104p/16V/1005
104p/16V/1005
R387
000/1005
R387
000/1005
U581B
MST7329N
MST7329N
U581B
MST7329N
MST7329N
GPIO[0]
J13
GPIO[1]
H13
GPIO[2]
G13
GPIO[3]
F13
GPIO[4]
E13
GPIO[5]
F12
GPIO[6]
D14
GPIO[7]
E12
GPIO[8]
F1
GPIO[9]
G1
GPIO[10]
E2
GPIO[11]
F2
GPIO[12]
F3
GPIO[13]
G2
GPIO[14]
G3
GPIO[15]
E4
GPIO[16]
F4
GPIO[17]
G4
GPIO[18]
H4
GPIO[19]
J4
GPIO[20]
K4
GPIO[21]
L4
GPIO[22]
M4
GPIO[23]
M5
GPIO[24]
N6
GPIO[25]
N7
GPIO[26]
N9
GPIO[27]
N10
GPIO[28]
N12
GPIO[29]
N13
GPIO[30]
N14
GPIO[31]
D2
GPIO[32]
E3
GPIO[33]
D7
GPIO[34]
D8
GPIO[35]
D9
GPIO[36]
D10
GPIO[37]
D11
GPIO[38]
E10
GPIO[39]
E11
GPIO[40]
D13
GPIO[41]
A14
GPIO[42]
B14
GPIO[43]
K15
GPIO[44]
K16
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