LG FM300 Service Manual page 82

12 11
H
G
F 1V3_BBPLL 1V2_CORE
C427 10u
100n
C429
C430 1u
1u
C431
1u
C433
1u
C434
E
C436 1u
10n
C439
C440 1u
10n
C441
C442 1u
1V2_CORE
C446 10n
1u
C448
D
1u
C449 C450 C451
100u 220u
1u
C452
10n
C453
C454 1u
C455 10n
C456 1u
1u
C457
C
1u
C459
B
A
12 11
LGE Internal Use Only
10 9 8
1V2_RX_PLL 1V2_TX_PLL
2V5_RF
1V1_RXM 1V1_TX
1V2_RX_PLL 1V2_TX_PLL 2V5_RF
3V3_USB
AL17
AVDD12_PLL
AJ21
VDD_USB0
AH23
VDD_USB1
K8
VCC_1
K9
VCC_2
K17
VCC_3
K18
VCC_4
L8
VCC_5
L9
VCC_6
L17
VCC_7
L18
VCC_8
M8
VCC_9
M9
VCC_10
M17
VCC_11
M18
VCC_12
R17
VCC_13
U201
R18
VCC_14
T17
VCC_15
T18
L2000
VCC_16
U17
VCC_17
U18
VCC_18
V8
VCC_19
V9
VCC_20
W8
VCC_21
W9
VCC_22
Y8
VCC_23
Y9
VCC_24
AC12
VCC_25
AC13
VCC_26
AC14
VCC_27
AC15
VCC_28
AC16
VCC_29
AD3
VCC_30
AE3
VCC_31
AF10
VCC_32
AF11
VCC_33
AF12
VCC_34
AF13
VCC_35
AF14
VCC_36
1V8_MEM
10 9 8
7 6 5
1V2_RF
2V6_IO
L5 C428 100n
VCCQ_RF_1
L6
VCCQ_RF_2
H8
GND_1
H9
T5 100n
C432 GND_2
VCCQ3_SYSC_1
H10
T6
GND_3
VCCQ3_SYSC_2
H11
GND_4
H12
AF15 100n
C435 GND_5
VCCQ_IIC_1
H13
AG15
GND_6
VCCQ_IIC_2
H14
GND_7
H15
AE5
C437 100n GND_8
VCCQ1_1
H16
AE6
GND_9
VCCQ1_2
H17
AF5
C438 100n GND_10
VCCQ1_3
2V8_TCXO H18
AF6
GND_11
VCCQ1_4
J8
GND_12
J9
AF3 GND_13
VCCQ_UART_1
J17
AG3
GND_14
VCCQ_UART_2
J18
C443 100n GND_15
K12
AL4 C444 1n
GND_16
VCCQ3_CPGM
K13
AL15 100n
C445 GND_17
SXTAL_VPP_1
K14
AK16 C447 1n GND_18
SXTAL_VPP_2
K15
GND_19
L11
AL14
GND_20
VCCQ1_ULPI_1
L12
AK15
GND_21
VCCQ1_ULPI_2
L13
GND_22
L14
AF16
GND_23
VCCQ_SDIO_1
L15
AG16
GND_24
VCCQ_SDIO_2
M11
GND_25
M12
AF20
GND_26
VCCQ1_EPI_1
M13
AF21
GND_27
VCCQ1_EPI_2
M14
AG20
GND_28
VCCQ1_EPI_3
M15
AG21
GND_29
VCCQ1_EPI_4
N11
N17 GND_30
VCCQ1_EPI_5
N12
N18
GND_31
VCCQ1_EPI_6
N13
P17
GND_32
VCCQ1_EPI_7
N14
P18
GND_33
VCCQ1_EPI_8
T23 C458 100n
VCCQ1_GPIO0_1
T24
VCCQ1_GPIO0_2
K20
C460 100n
VCCQ1_GPIO1_1
K21
VCCQ1_GPIO1_2
7 6 5
- 82 -
4 3 2 1
Y15
GND_69
AA11
GND_70
AA12
GND_71
AA13
GND_72
AA14
GND_73
AA15
GND_74
U23
GND_75
V1
GND_76
V2
GND_77
V5
GND_78
V17
GND_79
V18
GND_80
V23
GND_81
W5
GND_82
W17
GND_83
W18
U201 GND_84
Y17
GND_85
L2000
Y18
GND_86
AA17
GND_87
AA18
GND_88
AB17
GND_89
AB18
GND_90
AB24
GND_91
AB25
GND_92
AC17
GND_93
AC18
GND_94
AE1
GND_95
AE2
GND_96
AE20
GND_97
AE21
GND_98
AG10
GND_99
AG11
GND_100
AH3
GND_101
AJ3
GND_102
AJ4
GND_103
4 3 2 1
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
H
G
F
E
D
C
B
A
Only for training and service purposes