LG KP235 Service Manual page 75

7. CIRCUIT DIAGRAM
1 2
1V8_AIT_CORE
A
H5
H6
C402
0.01u
D3
E10
J3
DATA00
H3
DATA01
K4
DATA02
J4
DATA03
K5
DATA04
J5
DATA05
K6
DATA06
J6
DATA07
K10
DATA08
B J9
DATA09
H10
DATA10
H9
AIT_BYPASS DATA11
G10
DATA12
G9
BYPASS MODE
DATA13
HIGH
G8
(MAIN, SUB LCD)
DATA14
F10
DATA15
LOW CAMERA MODE
AIT_BYPASS
K7
AIT_BYPASS
K1
_MAIN_LCD_CS
J1
nRD
K2
C409 nWR
J7
NA ADD01
J8
K3
nAIT_RESET
_SUB_LCD_CS
K8
2V8_AIT_BT
R404
J10
100K
C
F2
C_RST
K9
C415 1000p J2
AIT_13M
G3
H4
C416
1u
AIT POWER LDO
D
(300mA) (300mA)
2V8_AIT_BT 1V8_AIT_CORE
2V8_VEXT VBAT
U405
R408 R409
RT9011-MGPQW 0 0
R406
EUSY0319001
100K
1 8
VIN VOUT1
2 7
EN1 VOUT2
3 6
EN2 NC2
4 5
NC1 GND
C422 C423 C424
1u 1u 1u
E
1 2
LGE Internal Use Only
3 4 5
CAMERA CTL IC
U402
R401
E9
PGPIO0 LCD_VSYNC_OUT
D9
PGPIO1 0
C10
PGPIO2
B9
VDD_CORE PGPIO3
A7
PGPIO4
B7
GND_CORE PGPIO5
F9
PGPIO6
D10
PGPIO7
A10
PSCAN_EN PLCD0 L_DATA00
B10
PTEST_EN PLCD1 L_DATA01
A9
PLCD2 L_DATA02
C9
PLCD3 L_DATA03
D8
PLCD4 L_DATA04
A8
PLCD5 L_DATA05
B8
PHD0 PLCD6 L_DATA06
C8
PHD1 PLCD7 L_DATA07
C7
PHD2 PLCD8 L_DATA08
C6
PHD3 PLCD9 L_DATA09
B6
PHD4 PLCD10 L_DATA10
C5
PHD5 PLCD11 L_DATA11
B5
PHD6 PLCD12 L_DATA12
A6
PHD7 PLCD13 L_DATA13
C4 2V8_AIT_BT
PHD8 PLCD14 L_DATA14
A5
PHD9 PLCD15 L_DATA15
B4
PHD10 PLCD16
C3
PHD11 PLCD17
PHD12
AIT701G
F8
PHD13 GND_IO2
E8
PHD14 VDD_IO2
A2
PHD15 PLCD2_CS_ L_SUB_LCD_CS
B2
PLCD1_CS_ L_MAIN_LCD_CS C407
A3
PLCD_RD_ LCD_RD 1u
B3
PLCD_A0 LCD_RS
A4
PHLCD_BY PLCD_WE_ LCD_WR
E3
PHCS_ PHSYNC C_HS
G1
PHRD_ PVSYNC C_VS
E2
PHWE_ PD0 C_CD00
E1
PHLCD_A0 PD1 C_CD01
D1
PHINT PD2 C_CD02
D2
PD3 C_CD03
C2
PRST_ PD4 C_CD04
C1
PD5 C_CD05
A1
PHLCD2_CS_ PD6 C_CD06
B1
PD7 C_CD07
PHGPIO_CS_
H1
PSEN CAM_PWR_EN
H2 2V8_AIT_BT
PSDA C_SDA
G2
PS_RST_ PSCK C_SCK
F3
PHWAIT_ PDCLK C_MCLK
F1
PMCLK PPXL_CLK C_PCLK
H8
VDD_IO0 VDD_IO1
H7
GND_IO0 GND_IO1
C417 C418 C419
EUSY0318501
NA NA 1u
BT POWER LDO
(150mA)
VBAT 2V8_BT
R407
U404
0
1 3
VDD VOUT
4 2
R410 NC GND1
6 5
BT_LDO_EN CE GND2
0 C421
R1114D281D-TR-F
R411 C425 1u
20K 1u
3 4 5
6 7
OUT400 OUT401
R400
0
L400
C400
NA
NA
1V8_BT
FL400
LFB212G45BA1A220
L401
22nH
UB B1
3 5 L402
NC_DC G2
2 6.8nH
6
NC B2
1 7
C403
1.2p
VSS_RADIO
C1
VSS_LO
B1
VSS_ANA
B4
U401
VSS_DIG
C7
VSS_PADS BC41B143A05-IXB-E4
G3
AIO2
C3
AIO0
D3
C410
0.01u
UART_RX
USC_1
UART_TX
USC_2
- 86 -
8 9 10
Hinge Contact Pad
BLUETOOTH
OUT402
2V8_BT
U400
C401
NL17SZ08XV5T2
0.1u
5
1
VCC
PCM_TX_BT
4
PCM_SYNC
2
USC3
GND
3
2V8_BT 2V8_BT
1V8_BT
R402
47K
C404 15p
VDD_RADIO
C405 10p
C2
XTAL_IN 26MHz_BT
A3
XTAL_OUT
B3
VDD_LO
B2
C406
VREG_IN C408
A2 L403 6.8nH
0.01u
VDD_ANA 39p
A4 R403 2.2
VDD_CORE
C6
VDD_PADS
D6
RESETB BT_RESET
E7
TEST_EN
G7
VDD_PIO
G4
VDD_USB
A5
C411 C412 C413 C414
2.2u 2.2u 0.01u 0.1u
2V8_VEXT
U403
C420
0.1u
1 12
A0 VCC2
2 9
0B0 VCC1
11
0B1 PCM_RX_BT
4 10
A1 S0 PCM_EN
5
1B0
3 8
GND1 1B1 PCM_TX_BT
6 7
GND2 S1
NLAS3158MNR2G
R405 PCM_EN
47K
S/W Download "LOW"
/AT Command (Pull-Down)
"HIGH"
BT Operation
(From BT Module)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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C
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