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9. CIRCUIT DIAGRAM



9. CIRCUIT DIAGRAM

Main PCB Circuit (1/5)

1 2 3 4 5 6 7 8 9 10 11 12

TP505 TP521
TP503 TP501 TP502
R508

R507 0
CAL_TDO
CAL_TCK
CAL_TMS
CAL_TDI
R537 100K
DTC_SENSE VRRTC
A A
BAT_SENSE R535 UPR
R536




R527

200K




R538

120K
R533
C524




TP504
R531 VRIO
0.1u
SN74CBTLV3257DGVRU502 TP524




220K

10K

10K

10K
16 R544 100K
VCC
1 CCK13M
CCK32K




R516
S C527 C517
2 15
HEL_UART_DATA_RTS 5
1B1 _OE
VRMEM
10p 10p ONNOFF




R510

R503

R504

R521
HEL_UART_DATA_CTS 11
2B1
4
HEL_UART_DATA_TX 14
3B1 1A CAL_NTRST




1

4
HEL_UART_DATA_RX 4B1
7




crystalX501
_RPWON




R515
2A




0
32.768KHz
3 9 R552
PC_UART_CTS 6
1B2 3A ONNOFF_TO_BUF _END_ONOFF
PC_UART_RTS




R518
2B2 0
10 12
PC_UART_RX 13
3B2 4A VRIO




3
2
PC_UART_TX 4B2
8
C514
B GND 220n B
C505
PWL_MAIN_LCD_BL 18p

R543




R523
HEL_UART_CNTL_TX VRIO
U504 NL27WZ126US
R549 1 8
ONNOFF_BUF OE1 VCC CCK32K_CUT
0
2 7
PA_ON
CCK32K A1 OE2 TSPEN
3 6
HEL_UART_CNTL_RX Y2 Y1 TSPCLK
4 5
TSPDATA
RESETCL
R545




GND A2

TCXO_EN
CAL_TX_MBOX C528 1000p CLK13M
_HEL_SYS_RST PA_LEVEL
RADIO_TEMP




0
C HEL_TX_MBOX C
MMAUDIO_CAL_HEL HEL_MCSI_CLK




R517
HEL_MCSI_FS
HEL_MCSI_DI
HEL_MCSI_DO




R563

10K
R548

100K




R547

0
M10
N10



N11




A13
A12




A14
C13

B13




C12
P11




E13
L10




F12
VRMEM




M9




M4




M2
K8




N9

C8
D8
C7
A8
B8

B9
A9

C9
D9




K9




N3




N2



K7
P9




E8




P3
L9




L4




L7
VRIO




SDO
SDI
SCLK
NSCS0
NSCS1

TX_IRDA
RX_IRDA
TXIR_IRDA
RXIR_IRDA
SD_IRDA

TX_MODEM
RX_MODEM
RTS_MODEM
CTS_MODEM
DSR_MODEM

MCSI_TXD
MCSI_RXD
MCSI_CLK
MCSI_FSYNCH

BCLKX
BCLKR
IO2
IO3
IO0
IO1

RFEN
TCSOEN

NRESET_OUT
IDDQ

BU
LT

VSSO
OSC32K_IN

OSC32K_OUT

CLKTCXO
CLK13M_OUT
CLK32K_OUT
MOTOR_EN VBACKUP




1SS388


D551
H10




R524
TSPDI




10K
H11
EAR_SPEAKER_SW




B10
A10
TSPDO




A4



K4