LG HB620 Service Manual

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PWR
URXD
UTXD
3G2.5G
GND
RX
TX
VCHAR
ON_SW
VBAT
C
D
E
F
B
C
1608
1067
LGE Internal use only
1mm pad
1mm pad
1mm pad
Battery Charging Circuit
F
G
USIM
5612343 67
89
789
H
11
45
E
F
G
12
A
B
C
D
1608
1608
A
B
H
89
E
6
7
9101112
A
D
E
F
1608
12345
45
PMIC
8
11 12
(1%)
PMIC VPWR BYPASS
Power Line --> Route carefully!!!!!
Draw the Artwork_line thickly !!!!!
--->> USB_VBUS , FLASH_DRV_N , KPD_DRV_N , KEY_ON_SW_N , MOT_PWR-
G
H
123
G
H
PCB ARRAY TP
A
B
C
D
10 11 12
12
ON_SW
10
1608 1608
Tantal 2125
C426
27p
C425
27p
+5V_PWR
+VPWR
C410 1u
ZD1
RSB6.8CST2R
R1002
1K
C406 0.1u
0.1uC407
R403
80.6K
R408 56K
L404
56nH
C438
33p
PSD05-LFD401
INSTPAR
C409 4.7u
USB_VBUS
4.7uC408
OJ403
VREG_MSMP_2.7V
OJ404
VBATT
NC1
4
7
NC2
NC3
8
9
NC4
5
ON_SW
11
RTS
RX
2
3
TX
VBAT
6
CN402
CTS
12
DSR
10
1
GND
C412
2.2u
C421 1u
0.1u
C439
+5V_PWR
+VPWR
RB521S-30
D402
R402
470K
TP404
VREG_MSME_1.8V
TP403
C404 0.1u
1
2
3
0.1uC403
22u
CN401
C429
VA401
EVLC18S02015
C415
VREG_USIM_2.85V VREG_MMC_3.0V
END
0.1u
C420 0.1u
C428
2.2u
+VPWR
0.1u
C431
1000p
C432
2.2u
C427
R407 51
121KR405
L402 4.7uH
1u
10K
C419
USB_VBUS
R406
32.768KHz
X401
12
0.1u
81
VREG_SYNT
82
AMUX_OUT
83
VDD_MAIN
84
VREG_TCXO
85
GND_SLUG
9
PON_RESET_N
C416
74
SPKR_OUT_P
75 76
SPKR_IN_P
77
VDD_SPKR
78
SPKR_IN_M
79
SPKR_OUT_M
8
FLSH_DRV_N
REF_OUT(MPP8)
80 67
VREG_RFRX2
68
CBL0PWR_N(MPP3)
VREG_RFRX1
69
7
BAT_FET_N
70
AMUX_IN1(MPP1)
71
VDD_RF
72
AMUX_IN2(MPP2)
73
VREG_RFTX
SPKR_BYP
6
VBAT
60
VCOIN
REF_ISET
61
62
REF_GND
63
REF_BYP
64
VREG_WLAN
65
VDD_WLAN
66
CBL1PWR_N(MPP4)
52
VDD_MSM
53
TCXO_OUT
VDD_ANA
54
55
TCXO_EN
56
VREG_MSMA
57
PS_HOLD
58
TCXO_IN
59
MSM_INT_N
45
SLEEP_CLK
XTAL_OUT
46
47
SBDT
48
VBACKUP
49
SBCK
5
ISNS_M
50
VREG_MSMP
51
SBST
38
RUIM_CLK(MPP10) VREG_MMC
39
4
CHG_CTL_N
40
RUIM_M_RST(MPP5)
41
VDD_RUIM
42
VREG_RUIM
43
RUIM_RST(MPP6)
44
XTAL_IN
30
RUIM_M_IO(MPP11) VSW_MSMC
31 32
VREG_MSMC
33
VDD_MSMC
34
RUIM_M_CLK(MPP9)
35
VDD_MSME
36
VREG_MSME
37
VSW_MSME
23
KPD_DRV_N KPDPWR_N
24 25
VIB_DRV_N
26
RUIM_IO(MPP12)
27
VSW_PA
28
VREG_PA
29
VDD_PA
3
ISNS_P
USB_VBUS
17
USB_DAT
18
USB_D_P
USB_SE0
19
2
VCHG
20
USB_D_M
21
GP1_DRV_N(MPP7)
22
LCD_DRV_N
U401
1
ADC_BYP
10
VREG_USB
USB_ID
11
12
VREG_5V
13
USB_OE_N
14
VSW_5V
15
USB_CTL_N
16
PM6650-3P
R411
100K
C433
10u
1000p
C434
VREG_TCXO_2.85V
VREG_SYNTH_2.6V
VREG_MSMP_2.7V
VREG_MSMA_2.6V
R409
47K
C417
1u
C422
4.7u
VREG_BT_2.85V
4.7u
4
RSV1
8
RSV2
1
VCC
6
VPP
C424
J401
CLK
3
5
GND1
GND2
9
10
GND3 GND4
12
11
GND5
IO
7
RST
2
HSSC-8P-18
C436
C435
4.7u
1000p
C401 33u
0.1
R412
VBATT
4.7K R413
33p
C437
470K
R401
BASE1
8
BASE2
7
3
COLLECTOR
DRAIN
5
1
EMITTER1
EMITTER2
2
6
GATE
9
P_COLLECTORP_DRAIN
10
SOURCE
4
TP405
NUS3116MTR2G
U402
VBATT
1
2
34
5
6
56K
R410
VREG_USIM_2.85V
VREG_USIM_2.85V
D403
PLR0504F
C405 0.1u
L403 4.7uH
VREG_MSMC_1.2V
10u
C430
4.7uH
R416 10K
L401
TP455
TP456
680K
R404
+VPWR
C413 1u
0.01u
C414
TP401
TP402
C423
4.7u
0.1uC402
V_BACK_UP
VREG_WM_2.7V
1uC411
USB_CTL_N
BATT_FET_N
+VPWR
USIM_P_RST_N
USIM_P_DATA USIM_P_CLK
USIM_P_CLKUSIM_P_DATA
USIM_P_RST_N
PM_ON_SW_N
VBAT_TEMP
USB_D-
USB_D+
UART_RXD_IN
PM_ON_SW_N
VBAT_SENSE
VREG_RF_SMPS
ICHARGE
ICHARGEOUT
VBATT
VBATT
+5V_PWR
USB_VBUS
CHG_CTL_N
AMUX_OUT
RESET_IN_N
BUFF_TCXO
PS_HOLD
UART_TXD
USIM_RST_N
USIM_P_RST_N
SLEEP_CLK
PM_SBDT
ICHARGEOUT
TCXO_EN
JTAG_PS_HOLD
TCXO_PM
PM_INT_N
REMOTE_PWR_ON
BATT_FET_N
GSM_PA_PWR_CTL_REF
USB_OE_N
USB_CTL_N
USB_DAT
USB_D+
USB_SE0
USB_D-
KYPD_LED_EN
PM_ON_SW_N
MOTOR_PWR-
USIM_P_DATA
ICHARGE
USIM_DATA
USIM_CLK
USIM_P_CLK
CHG_CTL_N
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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LG HB620 Specifications

General

Brand	LG
Model	HB620
Category	Cell Phone
Language	English