LG GD910 Service Manual page 60

Features
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Bluetooth 2.1 compliant with enhanced data rate support
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Class 1 capable with built-in PA
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Programmable output power control meets class1, class2 and class3 requirements
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Use supply voltages up to 5.5V
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Internal OR gate TCXO control
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Fractional-N synthesizer supports frequency references from 12MHz to 40MHz
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Automatic frequency detection for standard crystal and TCXO values
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Lower power consumption
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Standard PCB and module package types available
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ART7TDMI-S- based microprocessor with integrated ROM and RAM
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Supports mobile and PC applications without external memory.
BLUETOOTH
ANT402
1
2
L427
1nH
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C316
2.2u
C317
10p
FL302 LFB212G45SG8A166
IN OUT
R324
GND1 GND2
C319 150K
DNI
J3
RES
C1
RFIOP
E1
RFION
D1
RFTUNE
C320
470p
J2
VCTRIFP
J5
26M_BT XTAL_P
J4
XTAL_N
C321
A5
CLK32K
LPO_IN
100p
A9
SCL_TX_PU_TDO_N
A8
SDA_TX_PU_TDO
H7
GPIO7_TX_PU_TDDN_TX_PU_TDO_USB
H8
PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T
G9
BT_VCXO_EN XTAL_PD_GPIO5_TX_PU_TDO_TX_PU_
F9
RF_ACTIVE_GPIO4
E9
BT_PRIORITY_STATUS_GPIO3
A6
TX_CONFX_WLAN_ACTIVITY_GPIO2
B6
BT_HOST_WAKEUP HOST_WAKE_USB_DETACH_GPIO_1
B5
BT_WAKEUP BT_WAKE_GPIO_0
- 61 -
4. RF Circuit Technical Brief
GD910 service manual
L300
C312
C309 C310 2.2u
BT_REG_ON
0.1u 2.2u
C313
2.2u
B4
RST_N
H5
TM2
H6
TM1
J6
TM0
D4
U302 TST1
BCM2046SB1
F8
PCM_CLK_SCK
E8
PCM_IN_SPDIF_IF_SD_IN
D9
PCM_OUT_SPDIF_OUT_SD_OUT
D8
PCM_SYNC_TX_PU_TDO
C8
UART_CTS_N
C9
UART_RTS_N
B9
UART_RXD
B8
UART_TXD
J8
HUSB_DN
J7
HUSB_DP
2V62_VIO
TP302
BT_RESET_N
BT_PCM_CLK
BT_PCM_OUT
BT_PCM_IN
BT_PCM_SYNC
UART_BT_RTS
UART_BT_RTS
UART_BT_CTS
UART_BT_CTS
UART_BT_TX
UART_BT_TX
UART_BT_RX
UART_BT_RX
LGE Internal Use Only