LG CU920 User Manual

LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.9 Checking Bluetooth Block
1. TP1 : VREG_BT_2.85V
2. TP2 : VREG_MSMP_2.7V
3. TP3 : TCXO_BT
4. TP4 : BT ANT Output
5. TP5 : BT_CLK
TP1
TP2
TP3
TP4
TP5
Fig. 4.9.1 Test point of the Bluetooth Block
BLUETOOTH
C103
1.2p
L102
0
NA
C124
100p
C100
C102
1000p
VCC
5
R100
100K
TC7S04FU
U100
GND
3
24
2.2u
C108
100p
100p
C110
C107
0.1uF
C109
1u
C104
1u
C106
GND3
15
2
LDO1
3
LDO2 NC
13 8
RX_BB_TX_BB
10
SBCK
SBDT
11 6
SBST
SYNC_DET_TX_EN
5
14
VDD_A
12
VDD_MSM
4
XTAL_IN
RB04
U101
16
ANT
CLK_REF
9
GND1
1
GND2
7
C105
1000p
1000p
C101
FEED
NC1 NC2
ANT100
BT_SBDT BT_SBST BT_SBCK BT_TX_RX_N BT_DATA
BT_CLK
VREG_MSMP_2.8V
VREG_BT_2.85V
VREG_BT_2.85V
TCXO_BT
Fig. 4.9.2 Schematic of the Bluetooth Block
TP3
TP4
TP5
TP1
TP2

LG CU920 Specifications

Camera

camera resolution	1600x1200, 1280x960, 640x480, 320x240, 160x120 Pixels
video resolution	320x240, 176x144 Pixels
zoom	Up to 2x

Power

standard battery	1, 000 mAh Li-Ion
talk time	Up to 3 Hours
standby time	Up to 10 Days & 10 Hours

Memory and Storage

internal memory	120MB
microSD memory port	Yes
USB mass storage	Yes

Weight and Dimensions

dimensions	4.25” (H) x 2.16” (W) x 0.51” (D)
weight	3.16 oz.
display size	3.00”