Table of Contents
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7. CIRCUIT DIAGRAM
1
2
3
A
B
SDRAM_ADDR(0:14)
SDRAM_DATA(0:31)
C
REV_B
SDRAM_DATA(31)
T8
A1_22
Change 32 bit
SDRAM_DATA(30)
T6
A1_21
SDRAM_DATA(29)
T4
A1_20
SDRAM_DATA(28)
R8
A1_19
SDRAM_DATA(27)
T2
A1_18
SDRAM_DATA(26)
T1
A1_17
SDRAM_DATA(25)
R6
A1_16
SDRAM_DATA(24)
R4
A1_15
SDRAM_DATA(23)
W4
GPIO_74
SDRAM_DATA(22)
V6
GPIO_73
SDRAM_DATA(21)
Y2
GPIO_72
SDRAM_DATA(20)
Y1
GPIO_71
SDRAM_DATA(19)
E1
GPIO_70
SDRAM_DATA(18)
R11
GPIO_69
SDRAM_DATA(17)
V4
D
GPIO_68
SDRAM_DATA(16)
U6
GPIO_67
SDRAM_DATA(15)
L6
SDRAM1_D15
SDRAM_DATA(14)
L8
SDRAM1_D14
SDRAM_DATA(13)
K4
SDRAM1_D13
SDRAM
SDRAM_DATA(12)
J1
SDRAM1_D12
SDRAM_DATA(11)
K6
SDRAM1_D11
SDRAM_DATA(10)
J2
SDRAM1_D10
SDRAM_DATA(9)
J4
SDRAM1_D9
SDRAM_DATA(8)
P4
SDRAM1_D8
SDRAM_DATA(7)
H4
SDRAM1_D7
SDRAM_DATA(6)
G2
SDRAM1_D6
SDRAM_DATA(5)
J6
SDRAM1_D5
SDRAM_DATA(4)
AB4
SDRAM1_D4
SDRAM_DATA(3)
D1
SDRAM1_D3
SDRAM_DATA(2)
AB2
SDRAM1_D2
SDRAM_DATA(1)
D2
E
SDRAM1_D1
SDRAM_DATA(0)
E2
SDRAM1_D0
AC15
XMEM2_CS_N1
AF14
LCD_CS_N
LCD_CS_N_GPIO38
AF10
NAND_CLE
UB2_N
W14
NAND_CS_N
XMEM2_CS_N0
AF7
EBI2_OE_N
OE2_N
AF4
EBI2_WE_N
WE2_N
AE10
EBI2_DATA(0:15)
NAND_ALE
LB2_N_A2_0
T14
NAND_READY
NAND2_FLASH_READY_GPIO33
EBI2_DATA(15)
AA10
D2_15
EBI2_DATA(14)
AC9
F
D2_14
EBI2_DATA(13)
W10
D2_13
EBI2_DATA(12)
AA9
D2_12
EBI2_DATA(11)
AE7
D2_11
EBI2_DATA(10)
AC8
D2_10
EBI2_DATA(9)
W9
D2_9
EBI2_DATA(8)
AA8
D2_8
EBI2_DATA(7)
AC7
D2_7
EBI2_DATA(6)
AF5
D2_6
EBI2_DATA(5)
AA7
D2_5
EBI2_DATA(4)
AE5
D2_4
EBI2_DATA(3)
NAND & LCD
AC6
D2_3
EBI2_DATA(2)
AE4
D2_2
EBI2_DATA(1)
AF3
D2_1
EBI2_DATA(0)
AC5
D2_0
C
AF13
(ADS signal for LCD)
LCD_ADS
A2_20_GPIO34
AA14
A2_19
T13
A2_18
AC14
A2_17
AE14
A2_16
W13
A2_15
AC13
A2_14
AA13
A2_13
AF12
A2_12
AE12
A2_11
AC12
A2_10
AA12
A2_9
W12
A2_8
T12
A2_7
AC11
A2_6
AA11
D
A2_5
AC10
A2_4
W11
A2_3
AF9
A2_2
AE9
A2_1
E
KEYPAD
F
1
2
3
LG(42)-A-5505-10:01
LGE Internal Use Only
4
5
6
7
HKADC
RESET
1%
SDRAM
CLOCK
300K
VREG_MSME_1.8V
1%
C200
47p
R202
REV_B
C201
47p
C204
10p
MDP_VSYNC_SECONDA_GPIO104
MDP_VSYNC_PRIMARY_GPIO105
WDOG_STB_SBCK1_GPIO0
CAMCLK_PO_GP_MN_GPIO13
XMEM1_CS_N3_SDRAM1_CS_N1_GPIO77
UART2_DP_RX_DATA_GPIO89
SYNTH0_GP_PDM0_GPIO92
U200-1
MSM6245_A
AUX_PCM_CLK_GRFC14_GPIO80
AUX_PCM_DIN_GRFC13_GPIO14
AUX_PCM_DOUT_GRFC12_GPIO103
AUX_PCM_SYNC_GRFC11_GPIO102
USIM
PMIC
USB
MicroSD
R213
2.2K
UART
R214
2.2K
VREG_CAM_AVDD_2.8V
(Check CAM_DATA PINOUT !!!!)
CAMERA
4
5
6
7
8
9
10
11
BOOT_MODE3 BOOT_MODE2 BOOT_MODE1
AUDIO
Near to MSM
1005 0.1uF 16V +80/-20%
2012 10uF 6.3V +80/-20% Ceramic
VREG_MSMC_1.25V
C205
4.7u
Place near
C212
MSM pin W18
0.1u
10%
(CODEC VSS)
C213
C214
0.01u
0.01u
F25
SDCC_DAT1_GPIO99
M25
SDCC_DAT2_GPIO100
M26
SDCC_DAT3_GPIO101
AE3
LCD_MAKER_ID
C222
C223
C224
AD2
LCD_VSYNC
1000p
1000p
1000p
H25
TP200
WDOG monitoring
F26
SBDT1_GPIO1
H11
PA_ON1_GPIO2
D5
GRFC9_GPIO12
R209
47
J21
CAM_MCLK
A6
GPIO28
LCD_IF_MODE_0
N19
USB_RX_DATA_GPIO29
C234
C235
C236
C237
W15
XMEM2_CS_N2_GPIO35
VGA_CAM_RESET_N
1000p
1000p
1000p
1000p
AA15
XMEM2_CS_N3_GPIO36
VGA_CAM_EN
AE13
LCD_EN_GPIO37
LCD_LDO_EN
H9
GPIO43
LCD_RESET_N
B6
SYNTH2_GPIO65
HOOK_KEY_N
F8
GPIO66
AA1
XMEM1_CS_N1_GPIO76
Y6
GPIOs
L25
UART3_RFR_N_GPIO87
KEY_BL_EN
H6
RCV_EN_N
F18
SLIDE_DETECT
Close to MSM
H18
SBST1_GPIO93
LCD_IF_MODE_1
0
R211
H13
TX_AGC_ADJ
TX_AGC_ADJ
L13
TRK_LO_ADJ
TRK_LO_ADJ
F19
2K
R212
TCXO_EN_GPIO94
TCXO_EN
F17
PA_ON0
PA_ON
A12
F1
Q_OUT_N
TX_QM
VSS_PAD1_0
B12
K1
Q_OUT
TX_QP
VSS_PAD1_1
A13
M1
I_OUT_N
TX_IM
VSS_PAD1_2
B13
R1
I_OUT
TX_IP
VSS_PAD1_3
F12
U1
DAC_REF
DAC_REF
VSS_PAD1_4
W23
AF6
Q_IM_CH1
VSS_PAD2_0
V23
RF
AF11
Q_IP_CH1
VSS_PAD2_1
V25
AF15
I_IM_CH1
VSS_PAD2_2
W25
I_IP_CH1
AA25
R26
Q_IM_CH0
RX_QM
VSS_PAD3_0
Y25
B17
Q_IP_CH0
RX_QP
VSS_PAD3_1
AB25
A15
I_IM_CH0
RX_IM
VSS_PAD3_2
AC25
A9
I_IP_CH0
RX_IP
VSS_PAD3_3
A18
VSSA1
D17
A21
GP_PDM2_PA_RAN_GE1
VSSA2
H17
D13
GP_PDM1_PA_RAN_GE0
PA_R0
VSSA3
D19
VSSA4
H15
P26
TRST_N
JTAG_TRST_N
VSSA5
D16
U19
TCK
JTAG_TCK
VSSA6
F15
V26
TMS
JTAG_TMS
VSSA7
D15
W16
TDI
JTAG_TDI
VSSA8
A17
JTAG
W18
TDO
JTAG_TDO
VSSA9
H16
W26
RTCK
JTAG_RTCK
VSSA10
AB26
VSSA11
K19
AC16
SPK_AMP_EN
VSSA12
N21
AC26
VSSA13
G4
AD25
VSSA14
J8
AF23
VSSA15
H12
AF24
TX_ON_GRFC10
TX_ON
VSSA16
B4
GRFC8_GPIO11
T23
GRFC7_GPIO10
ANT_SEL1
T19
GRFX6_GPIO9
ANT_SEL0
D11
GRFC5_AUX_SBST_GPIO8
H10
GRFC4_AUX_SBCK_GPIO7
F10
GRFC3_GPIO6
D9
GRFC2_GPIO5
GSM_PA_BAND
A8
GRFC1_AUX_SBDT_GPIO4
GSM_PA_EN
B8
GRFC0_GPIO3
G23
BT_CLK_GPIO25
BT_CLK
F23
BT_SBST_GPIO24
BT_SBST
E26
BT_SBCK_GPIO23
BT_SBCK
E25
BT_SBDT_GPIO22
BT_SBDT
H21
BT_TX_RX_N_GPIO21
BT_TX_RX_N
R19
BT_DATA_GPIO20
BT_DATA
A22
MDDIC_DATP
A23
MDDIC_DATN
B22
MDDIC_STBP
B23
MDDIC_STBN
C249
Place near
0.1u
MSM pin AD26
CTS
12
10%
RTS
11
DSR
10
USB_D+
NC4
UTXD
9
USB_D-
NC3
URXD
8
USB_VBUS
NC2
PWR
TP211
7
VBATT
VBAT
VBAT
TP212
6
REMOTE_PWR_ON
ON_SW
ON_SW
5
+5V_PWR
NC1
UFLS
TP213
4
UART_TXD
TX
TX
TP214
3
UART_RXD
RX
RX
TP215
2
GND
GND
1
2.5G
3G
UART
8
9
- 144 -
12
13
14
15
MODE
ADC
HKADC(4):PCB_Rev_ADC
MODE2 MODE1
MODE0
( Default Pull-Down)
150K : 10K : 0.016V
0
0
0
Native, ARM JTAG
HKADC[0] - AMUX_OUT
150K : 47K : 0.62V
HKADC[1] - VBATT_SENSE
HKADC[2] - HDET1
150K : 68K : 0.81V
HKADC[3] - TTY_ADC_DET
150K : 100K : 1.04V
HKADC[4] - PCB_Rev_ADC
150K : 150K : 1.30V
0
0
1
8-bit, NAND, Normal
HKADC[5] - VBATT_TEMP
0
1
1
16-bit, NAND, Normal
150K : 300K : 1.73V
1
0
1
8-bit, NAND, Trusted
PMIC_AUXIN[1]
150K : 470K : 1.97V
16-bit, NAND, Trusted
1
1
1
PMIC_AUXIN[2] - PA_THERM
150K : 680K : 2.13V
150K : 750K : 2.17V
VREG_MSME_1.8V
VREG_MSMP_2.7V
VREG_MSMA_2.6V
(CAD : 10uF=>Input MSMA_2.6V)
C207
C206
C208
C209
10u
0.01u
0.1uF
0.1uF
C215
C216
0.01u
0.1uF
C217
C218
C219
C220
C221
0.01u
0.01u
0.1uF
0.1uF
0.1uF
C225
C226
C227
C228
C229
C230
0.01u
0.01u
0.01u
0.1uF
0.01u
0.1uF
2200p cap => place between
D12(VDDA1) and F12(DAC_REF)
DAC_REF
C238
C239
C240
C241
C242
C243
C244
0.01u
1000p
1000p
1000p
0.1uF
0.1uF
0.1uF
Near to B18 (VDD_PLL)
VREG_MSMA_2.6V
R210
0
C245
C246
0.1u
0.01u
10%
C26
RESERVED
(PLLOUT_TEST)
C1
VSS_DIG_0
H1
VSS_DIG_1
W1
VSS_DIG_2
AC1
VSS_DIG_3
AF8
VSS_DIG_4
AF16
VSS_DIG_5
T26
VSS_DIG_6
G26
VSS_DIG_7
D26
VSS_DIG_8
A24
VSS_DIG_9
A14
VSS_DIG_10
A11
U200-2
VSS_DIG_11
A5
MSM6245_B
VSS_DIG_12
AC23
VSS_DIG
AA21
NC
AA6
VSS39
AC4
VSS41
w18 (Analog VSS guard ring for CODEC)
AE1
VSS43
AE2
VSS44
AE25
VSS45
AE26
VSS46
AF1
VSS47
AF2
VSS48
AF25
VSS49
AF26
VSS50
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
16
A
B
C
D
E
F
C
D
E
LG Electronics Inc.
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Troubleshooting
