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7. Circuit Diagram
1
1
2
2
3
3
A
A
+VPWR
B
B
GSM_PA_PWR_CTL_REF
+5V_PWR
ICHARGE
CHG_CNT_N
ICHARGEOUT
VBATT
BATT_FET_N
C
C
RESET_IN_N
C618
1u
USB_VBUS
USB_OE_N
D602
USB_CNT_N
USB_DAT
RB521S-30
R609
C621
C622
USB_D+
47K
1u
USB_SE0
4.7u
USB_D-
D
D
KYPD_LED_EN
PM_ON_SW_N
MOTOR_PWR-
USIM_P_DATA
E
E
USB_VBUS
6
5
4
Q600
QST4
1
2
3
USB_CNT_N
F
F
+5V_PWR
Q601
6
5
4
QST4
1
2
3
CHG_CNT_N
ICHARGE
+VPWR
ICHARGEOUT
G
G
VBATT
Q602
SI3493DV-E3
BATT_FET_N
CHARGING
H
H
1
1
2
2
3
3
4
4
5
5
6
6
+VPWR
PMIC
C613
0.1u
REMOTE_PWR_ON
PA_THERM
AMUX_OUT
1
63
C614
0.1u
ADC_BYP
REF_BYP
2
62
VCHG
REF_GND
3
61
R605
121K
C615
1u
ISNS_P
REF_ISET
4
60
(1%)
CHG_CTL_N
VCOIN
5
59
TP600
ISNS_M
MSM_INT_N
PM_INT_N
6
58
VBAT
TCXO_IN
TCXO_PM
7
57
BAT_FET_N
PS_HOLD
8
56
FLSH_DRV_N
VREG_MSMA
9
U600
55
PON_RESET_N
TCXO_EN
TCXO_EN
10
54
VREG_USB
VDD_ANA
11
53
R607
51
BUFF_TCXO
USB_ID
PM6650-1M
TCXO_OUT
12
52
VREG_5V
VDD_MSM
13
51
USB_OE_N
SBST
PM_SBST
14
50
VSW_5V
VREG_MSMP
15
49
USB_CTL_N
SBCK
PM_SBCK
16
48
USB_VBUS
VBACKUP
17
47
USB_DAT
SBDT
PM_SBDT
18
46
USB_D_P
XTAL_OUT
19
45
TP601
USB_SE0
SLEEP_CLK
SLEEP_CLK
20
44
USB_D_M
XTAL_IN
21
43
USIM_P_RST_N
GP1_DRV_N(MPP7)
RUIM_RST(MPP6)
C623
C624
+VPWR
18p
22p
+VPWR
USIM_RST_N
USIM_P_CLK
USIM_CLK
VREG_USIM_2.85V
USIM_DATA
VREG_MSMC_1.375V
VREG_MSME_1.8V
L601
4.7uH
L602
4.7uH
R613
0
VBATT
VREG_MSMP_2.7V
R600
470K
C600
VBAT_SENSE
0.01u
C607
R602
VBAT_TEMP
680K
0.1u
C612
0.1u
4
4
5
5
6
6
7
7
8
8
EAR_MIC_P_MSM
R604
470K
JTAG_PS_HOLD
D601
PS_HOLD
V_BACK_UP
RB521S-30
VREG_MSMA_2.6V
MICBIAS
C633
VREG_MSMP_2.7V
R608
0
X600
32.768KHz
EAR_SENSE_N
EAR_MIC_P
EAR_MIC_P_MSM
USB_D+
RMT_INT/USB_D+
VREG_MMC_3.0V
R612
0
MMI 18Pin CONNECTOR
CN601
21
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
R601
CN600
1
80.6K
5
2
4
3
Changed by:
Changed by:
7
7
8
8
- 168 -
9
9
10
10
11
11
VREG_MSMP_2.7V
C635
R619
0.01u
NA
U601
10K
VIN-
4
5
VCC
1
R622
HOOK_SENSE_H
VIN+
3
GND
OUT
2
LMV7291MGX-NOPB
Headset Hook Switch
+3.0V_AUDIO
R614
2.2K
C631
10p
NA
R615
R616
C632
C634
0
0
10p
10u
U602 MAX4701ETE+T
1
16
NC1
COM1
2
15
IN1_IN2
NO1
3
14
NO2
V+
4
13
COM2
NC4
RMT_ADC_MSM
5
12
NC2
COM4
RMT_ADC/USB_D-
6
11
R623
0
GND
NO4
USB_D-
R625
0
7
10
NO3
IN3_IN4
8
9
COM3
NC3
RMT_INT_MSM
17
PGND
VREG_MSMP_2.7V
EAR_MIC_P
MIDI_EAR_L
MIDI_EAR_R
RMT_INT/USB_D+
RMT_ADC/USB_D-
EAR_SENSE_N
VBATT
FL600
REMOTE_PWR_ON
1
2
IN
OUT
+5V_PWR
3
4
G1
G2
USB_VBUS
NFM21PC105B1A3
UART_TXD
R626
0
UART_RXD
R627
0
R629
NA
TCC_UART_TXD
R630
NA
TCC_UART_RXD
Engineer:
Engineer:
LG ELECTRONICS INC.
JH Park
MOBILE HANDSET R&D CENTER
Drawn by:
Drawn by:
JH Park
DEVELOPMENT LAB 4
DEVELOPMENT GROUP 1
R&D CHK:
R&D CHK:
TITLE:
TITLE:
DOC CTRL CHK:
DOC CTRL CHK:
KU950 Main 1.1
MFG ENGR CHK:
MFG ENGR CHK:
Date Changed:
Date Changed:
Time Changed:
Time Changed:
QA CHK:
QA CHK:
REV:
REV:
Drawing Number:
Drawing Number:
JH Park
2006, Sep 08
11:41:00 am
9
9
10
10
11
11
12
12
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
Size:
Size:
A2
A2
Page:
Page:
6/9
12
12
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Troubleshooting
