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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
GND
RX
TX
VCHAR
ON_SW
VBAT
PWR
URXD
UTXD
3G
2.5G
TRK_LO_ADJ
PA_R1
PA_R0
ANT_SEL(0)
ANT_SEL(1)
ANT_SEL(2)
ANT_SEL(3)
LCD_IF_MODE2
VBATT
UART_BT_SEL
VBUS
VBUS
MSM_RESIN_N
PM_ON_SW_N
PS_HOLD
EBI2_DATA13
SDRAM_DATA15
SDRAM_DATA14
SDRAM_DATA12
SDRAM_DATA11
SDRAM_DATA10
SDRAM_DATA9
SDRAM_DATA8
SDRAM_DATA7
SDRAM_DATA6
SDRAM_DATA5
SDRAM_DATA4
SDRAM_DATA3
SDRAM_DATA2
SDRAM_DATA1
SDRAM_DATA0
MUIC_FM_AUDIO_I2C_SDA
MUIC_FM_AUDIO_I2C_SCL
SDRAM_CS_N(0)
UART1_RX_DATA
A
T
A
D
_
X
R
_
1
T
R
A
U
N
_
T
U
O
S
E
R
M
D
_
B
S
U
UART1_TX_DATA
A
T
A
D
_
X
T
_
1
T
R
A
U
P
2
C
I
M
P
D
_
B
S
U
SDRAM_DQS(0)
SDRAM_DQS(1)
SDRAM_DQM(0)
SDRAM_DQM(1)
SDRAM_CKE(0)
SDRAM_ADV_N
SDRAM_OE_N
SDRAM_WE_N
SDRAM_CLK_P
SDRAM_CLK_M
EBI2_WE_N
EBI2_OE_N
EBI2_CLE_N
EBI2_ALE_N
EBI2_CS1_N
NAND_READY
MUIC_INT
EBI2_DATA15
EBI2_DATA14
SDRAM_DATA13
EBI2_DATA12
EBI2_DATA11
EBI2_DATA10
EBI2_DATA9
EBI2_DATA8
EBI2_DATA7
EBI2_DATA6
EBI2_DATA5
EBI2_DATA4
EBI2_DATA3
EBI2_DATA2
EBI2_DATA0
EBI2_DATA1
MAIN_TOUCH_I2C_SDA
MAIN_TOUCH_I2C_SCL
UART1_RTS_N
CAM_DATA[6]
CAM_DATA[7]
CAM_DATA[2]
CAM_DATA[3]
CAM_DATA[4]
CAM_DATA[0]
SLIDE_DETECT
CAM_I2C_SDA
CAM_I2C_SCL
LCD_RESET_N
BT_PCM_IN
SIDE_TOUCH_INT
SIDE_TOUCH_I2C_SCL
SIDE_TOUCH_I2C_SDA
LINMOT_EN
LINMOT_PWM
BT_RESET_N
BT_PCM_OUT
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
MAIN_TOUCH_INT
VGA_CAM_RESET_N
VGA_CAM_PWDN
JTAG_TDI
I
D
T
_
G
A
T
J
JTAG_TMS
S
M
T
_
G
A
T
J
JTAG_TCK
K
C
T
_
G
A
T
J
JTAG_TRST_N
N
_
T
S
R
T
_
G
A
T
J
JTAG_TDO
O
D
T
_
G
A
T
J
JTAG_RTCK
K
C
T
R
_
G
A
T
J
P
1
C
I
M
N
1
C
I
M
L
_
O
I
D
U
A
_
M
F
R
_
O
I
D
U
A
_
M
F
+
V
C
R
-
V
C
R
L
_
K
P
S
R
_
K
P
S
L
_
P
H
R
_
P
H
LCD_ADS
LCD_CS_N
MSM_WAKES_BT
BT_WAKES_MSM
FLASH_SET
FLASH_EN
FLASH_INH
MEGA_CAM_PWDN
LCD_MAKER_ID
LCD_BL_CTRL
USIM_DATA
USIM_CLK
USIM_RESET_N
MEGA_CAM_PWR_EN
CAM_MCLK
CAM_PCLK
CAM_DATA[8]
CAM_DATA[9]
CAM_DATA[5]
CAM_DATA[1]
MEGA_CAM_RESET_N
CAM_VSYNC
CAM_HSYNC
LCD_VSYNC_OUT
BT_PCM_CLK
BT_PCM_SYNC
UART1_CTS_N
MICROSD_CLK
MICROSD_DATA[3]
MICROSD_DATA[2]
MICROSD_DATA[1]
MICROSD_DATA[0]
MICROSD_CMD
BT_REG_ON
SDRAM_ADDR15
SDRAM_ADDR14
SDRAM_ADDR10
SDRAM_ADDR12
SDRAM_ADDR11
SDRAM_ADDR9
SDRAM_ADDR8
SDRAM_ADDR7
SDRAM_ADDR6
SDRAM_ADDR5
SDRAM_ADDR4
SDRAM_ADDR3
SDRAM_ADDR2
SDRAM_ADDR1
SDRAM_ADDR0
SDRAM_ADDR13
MUSIM_DP
MUSIM_DM
SDRAM_ADDR[0:15]
SDRAM_DATA[0:15]
EBI2_DATA[0:15]
SDRAM_ADDR[0:15]
100K : 1.5M : 2.062V - 1.4
100K : 470K : 1.814V - 1.3
100K : 240K : 1.553V - 1.2
100K : 150K : 1.32V - 1.1
100K : 91K : 1.048V - 1.0
100K : 62K : 0.842V - F, L
100K : 47K : 0.703V - D, J
100K : 22K : 0.396V - C, I
100K : 13K : 0.258V - B, H
100K : 6.2K : 0.128V - A, G
HKAIN1 : PCB_Rev_ADC
LCD_DRV_N - SLIDE_KEY_LED_N
MPP4 - SIDE_TOUCH_INT
MPP3 - MAIN_KEY_LED_N
MPP2 - MAIN_TOUCH_INT
MPP1 - VREF_RFA_2.2V (internally)
HKAIN1 - PCB_Rev_ADC
HKAIN0 - VBATT_TEMP
ADC
Native ARM9 JTAG
(Default Pull-Down)
* MODE_3 : Not connected(internally pulled-up) - Enabled by HW
1
0
MODE_0
MODE_1
MODE_2
0
MODE_3
0
Close to QSC
Содержание BL42k
Страница 1: ...Service Manual Model BL42k Internal Use Only Service Manual BL42k Date December 2009 Issue 1 0 ...
Страница 145: ... 146 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
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Страница 187: ... 188 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...