LG HB620 Service Manual

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A
B
C
D
E
5678
G
34567
F
G
72
1234567 12
1
11 12
123
A
B
C
D
E
891011 12
A
B
F
MMI 18Pin CONNECTOR Rev C
E
10 11 12
C
D
C
D
H
12
G
H
A
B
E
F
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9
891011
345
8910
F
6
BLUETOOTH
LG INNOTEK
LGE Internal use only
UART_RX_TP_DELAY_ Switch
FOLDER DETECT
USB/REMOCON_SEL
4
FB503
13
17
PGND1
PGND2
18
PGND3
19
20
PGND4
2
RF_IN_OUT
16
RX_BB_TX_BB
8
SBCK
SBDT
7
SBST
6
12
SYNC_DET_TX_EN
TCXO_IN
14
9
VBB_OUT VCC_OUT
10
4
VDD_A
15
VDD_MSM
M701
LBDA23QJS0
11
CLK_REF
GND1
1
GND2
3 5
GND3 GND4
L701
100nH
100K R708
2.2u C713
C706
VA709 EVLC14S02050
1u
1.5p C903
U703
A3212EELLT-T
G1
G2OUT
VDD
4.7u
C840
22
3
4
5
6
7
8
9
1
10
11
12
13
14
15
16
17
18
19
2
20
21
EVLC14S02050
CN701
VA705
+VPWR
0.01u
C703
VA706 EVLC14S02050
R705 0
C704 DNI
0.1u
C711
62
R707
C717 1u
RSB6.8CST2R VA702
U702
NL17SZ16XV5T2
A
GND
NC VCC
Y
ANT701
FEED
NC1
NC2
VREG_BT_2.85V
EVLC14S02050VA715
1000p C716
C715
VBATT
+5V_PWR
1000p
VA704
D701SD12T1G
VA703
EVLC14S02050
VREG_MSMP_2.7V
EVLC14S02050
47pC708 47p
C707
33p
D+
3
D-
5
GND
4
1
HSD1+
7
HSD1-
2
HSD2+
HSD2-
6
SEL
10
9
VCC
8
_OE
C709
FSUSB30UMX U701
C710
15p
NA L702
MICBIAS
2.2u
C718
C712
USB_VBUS
1u
R706 0
C842
VA707 EVLC14S02050
C841
33u
33u
RSB6.8CST2R VA701
C714 0.75p
FL701
3
GND
1
IN
2
OUT
DNIC705
EVLC14S02050
NFM18PC104R1C3
VA708
68R703
R704 68
R702
2.2K
FB504
EAR_SENSE_N
TCC_UART_RXD
TCC_UART_TXD
UART_RXD_IN
UART_TXD
EAR_SENSE_N
TV_OUT
BT_CLK
UART_RXD_IN
UART_RXD
VREG_MSMP_2.7V
FOLDER_DETECT
RMT_INT/USB_D+
RMT_ADC/USB_D-
RMT_INT
RMT_ADC
USB_D+
USB_D-
EAR_R
EAR_L
EAR_MIC_P
RMT_ADC/USB_D-
RMT_INT/USB_D+
REMOTE_PWR_ON
BT_SBCK
BT_SBDT
BT_SBST
BT_TX_RX_N
TCXO_BT
BT_DATA
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