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B
C
A
2
1
V2
V2
U2872
U2871
UCTS2
UTXD2
UCTS_CE
URI_CE
DATALOG_N
UCTS
URI
2
CE_BUS
J850
I /O CONN
3
Q901
1
SW_B+
USB_GND
BATT_FDBK
2
USB-
EXT_BATT
EXT_BATT
3
EXT_BATT
USB+ / UTXD
4
USB+
USB- / URXD
5
USB_PWR
UCTS_CE UDCE URI_CE UDTR UDSR_CE
USB PWR / URTS
6
USB_PWR
SW_B+
7
UCTS
8
UDCD
4
9
URI / DSEL_2
10
UDTR / DSEL_1
11
UDSR_DSEL_0
12
INT4
OPTION1
INT4
13
OPTION2
INT5
14
INT5
AUDIO_OUT
15
AUDIO_IN 16
AUDIO_OUT
17
AUDIO_IN
18
19
5
20
ON_OFF
EXT_B+
EXT_BATT
V2
U901
EXT_BATT
OC3
Q944
6
V2
MIDRATE_1
BATTERY BLOCK
J851
BATT_SER_DATA
BATT+
THERMBIAS
THERM
V2
7
BATT_FDBK
V2
U2873
THERM BATT+ BATT_SER_D
URTS2
DATALOG_N
J650
8
HS_SPKR
V2
9
10
HS_SPKR
SPK-
SPK+
11
V66 - AL SCHEMATICS
D
E
F
V2
U2870
URXD2
UDSR_CE
UDSR
V3
LB* UB*
U703
EB1_N
EB1_N
EB0_N
CE1
OE_N
EBO_N
CE2
OE_N
RW_N
RW_N
SR_CS
NC
NC
NC
B+
NC
SW_B+_EN
DIG_AUD (3:0)
TP900
TP901
Q946DNP
TP902
TP903
Q945
MAIN
Q942
B+
BATT+
PMG0
PGM1
PGM2
B+
TX_KEY
TP916
USB_PWR
U900
V3
SR_VCC
CE1
SR_CS
GCAP_INT
TP913
STBY
TP914
V1
VAG
USB_VCCR
V3
AL900
MIDRATE_2
B+
ALRT_VCC
Q938
B+
V2
G
H
I
DATA (15 : 0)
U701
V3
V3
FLASH_VCC0
U702
V1
FLASH_VCC
NC
ECB_N
OE_N
ADV_N
FLASH_CS
EB1_N
BRST_CLK
VPP12
V3
FLAST_RST
RESET_O
ADDRESS (23:0)
BATT+
Q932
EXT_B+
CHRG_C
EXT_B+
V3
WDI
WDOG
B+
B+
U2905DNP
V_BOOST
GCAP_CLK
STBY
LS1_OUT_SIM_CLK
SIM_CLK
SIM_RST
SIM_TX
SIM_RX
V2
LS2_OUT_SIM_RST
LS2_OUT_SIM_RST
SIM_I_O
U859DNP
SIM_TX
V_BUCK
B+
VIB_OUT1
VIB_VCC
ALRT_VCC
B+
B+
V_BUCK
B+
VREF
B+
V_BUCK
V1_GCAP
V1
B+
V2_GCAP
VSIM1
V2
VSIM_EN
V3_GCAP
V3
V_BOOST
V3
CP_5V
VSIM_EN
RESET
BL_SNK
5V
Y900
V2
V2
U2906
LED_GRN
LED_RED
J
K
L
M
V2
V2
V3
V2
OVCC
HVDD
EVDD CVDD AVDD
V3
V3
RESET
VCCA
JVDD
V2
V2
JVDD
V3
CKO
RESET
DVDD
V3
TEST
TDI
BVDD
TD0
V3
TRST
TMS
TCK
IVDD
MCU_DE
DSP_DE
CLK_RESET
STBY
GCAP_CLK
MAGIC_13Mhz_B
OC3
WDOG
MAGIC_13Mhz
RESET_O
RESET_O
RESET
USB_VP
U700
IrDA_TX
IrDA_RX
DATALOG_N
IrDA_EN
USB_TXENB
USB_EOP
URTS_USBXRXD
GCAP_INT
HS_INT
KBR7
KBR6
KBR5
KBR4
KBR1
KBR0
KBC1
KBC0
TP_CE2
R_W_N
FLASH_CS
RW_N
CE2
DISP_SPI_CS2
CE1
SDI_D_C
FLASH_CS
BRST_CLK
SPICS6
ADV_N
ECB_N
EBO_N
DX1
EB1_N
BB_MISO
OE_N
RF_MISO
MISOB
UTXD_VDOUT
MQSPI_CLK1
OE_N
V2
TP_N_EXC_EN
TP_N_TX_EN
TP_RX_EN
TP_DM_CS
SIM_TX
SIM_RX
SIM_RST
SIM_CLK
VSIM_EN
TX_KEY
CP_5V
24 PIN DISPLAY CONNECTOR
J825
G1
G2
GRN_EN
ALRT_VCC
25
23
Q2
V2
22
20
RED_EN
3
V3
18
Q1
13
5
12
SPK+
11
10
TESTPOINT_GND
8
SPK-
9
V3
LS1_OUT
LS2_OUT
SIM_PDO
7
LS1_OUT_SIM_CLK
15
VSIM1
LS2_OUT_SIM_RST
17
SIM_PDO
21
VSIM1
VSIM1
24
SIM_I_O
19
4
FLASH_RST
SDI_D_C
6
BB_MOSI
16
BB_SPI_CLK
14
DISP_SPI_CS
2
RTC_BATT
26
VIB_OUT1
1
G3
G4
17 PIN KEYPAD
CONNECTOR
J800
11
22
10
21
ALRT_VCC
9
ALRT_VCC
20
BL_SNK
8
V2
19
7
18
PWR_SW
HS_INT
6
17
KBC0
5
KBC1
16
KBR0
4
KBR1
15
KBR4
HS_INT
3
KBR5
14
KBR6
2
KBR7
13
1
12
N
GCAP_13Mhz
GCAP_SPI_CS
IVDD
DISP_SPI_CS
MQSPI_CS1
BB_MOSI
BB_SPI_CLK
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Table of Contents
Troubleshooting
