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SECTION 9
BLOCK DIAGRAM
FRONT-C UNIT
33C
S1~S4
D1~D4
SEL,PROG,FUNC,PSW
ESD
KEY
PROTECT
33C
J2
LCDCL,LCDDT,
LCDCS,RSLCD,LCDSB
LCD
Q3,Q7,Q8,
DS1~DS3,
DS6~DS8,
DS10~DS13
8C
LCD
LIGHT
DLC_B,DLC_R,
TLC,RLC,
BLC,DTM1
BLC,DTM1
Q5,Q6,DS4
TX/RX
LED
TLC,RLC
8C
Q4,Q10,DS9
33C
MSG
LED
DLC_B,DLC_R
VCC
S501
OVER
CURRENT
PROTECT
[D-Sub CONNECTER]
J502
D_VCC
EXTMOD
DISC
DAFO
D_RTS,D_CTS,
D_TXD,D_RXD
VDD3R3
IC506,
D959~D962
Q952,Q953
EXO10,EXT24
RS-232
INVERTER
DRIVER/RECEIVER
EXTERNAL SPEAKER
J503
VDD5,
VDD3R3_CPU
IC302
I/O
INTERFACE
EIOINT
SCL2_5,SDA2_5
FRONT-D UNIT
33C
IC100,
IC101(2)
SEL,PROG,FUNC,PSW
LPF
INVERTER
LCDCL,LCDDT,
LCDCS,RSLCD,LCDSB
S1
ENCODER
[MICROPHONE]
DLC_B,DLC_R,
TLC,RLC,
J1
BLC,DTM1
8C
CLI,CLO
33C
MCDET
MIC
AFO
Q701
DISC
AF
MUTE
DISC_MUTE
Explanatory notes
CONTROL Line
COMMON Line
Q518
DATA Line
AFO
AF
MUTE
TX Line
F_AMUT
RX Line
Q519
DAFO
AF
MUTE
R_AMUT
VDD3R3
Q516
INVERTER
SPI
VCC
Q502~Q508
Q509
IC504
AF
AF
AF
ATT
LPF
MUTE
AMP
MUTE
AMUT
33C
IC101(1,3)
S1
VLA,VLB
PUSH
LPF
INVERTER
SW
M_+8V
S2
OVER
CURRENT
PROTECT
VDD8
Q702
BUFF
VDD5
VDD8
Q522
IC751
BUFF
EXTMOD
LPF
VDD8
VDD5
Q523
IC602
BUFF
BTAF
AMP
LPF
VDD8
IC703
OUT4
IN4
OUT3
IN3
ELECTRONIC
VOLUME
OUT2
IN2
OUT1
IN1
VDD8
Q510
BUFF
9-1
MAIN-A UNIT
SEL,PROG,FUNC,PSW
LCDCL,LCDDT,LCDCS,RSLCD,LCDSB
DLC_B,DLC_R,TLC,RLC,BLC,DTM1
EN_A
EN_B
M_+8V
VDD8_M
8C
VDD8
33C
VDD3R3
VLA,VLB
CLI,CLO
MCDET
Bluetooth ANTENNA
EP2
J4
W2
VDD5,
VDD3R3,
VDD3R3_CPU
IC753
COMPARATOR
EMSW
J601
VDD5
IC752_3,
IC752_2,
J604
Q752
Q753
IC601
BTMIC
AMP
SW
SW
IC603
F_MIC
ENBTMIC
IC752_1,
Q751
Bluetooth
SW
MODULE
EXTMIC
ATT
VDD5
IC401
IC755
TX_AF
LPF
CODEC
VDD5
IC505
RX_AF
LPF
EN_A
SEL,PROG,FUNC,PSW
LCDCL,LCDDT,LCDCS,RSLCD,LCDSB
DLC_B,DLC_R,TLC,RLC,BLC,DTM1
VLA,VLB
CLI,CLO
MCDET
VDD3R3_BT
ALARM,BT_KENSA,YOBI3
BT_1.8V
BT_RESET
YOBI2
BTPTT
BTTXD,BTRXD
SDA1,SCL1,DOUT,DIN,
BCLK,WCLK,CODEC_RES,
CODEC_SWDN
CODEC_MCLKC
VDD3R6,
VDD3R3_CODEC,
VDD1R8_CODEC
SDA1,SCL1,DOUT,DIN,
BCLK,WCLK,CODEC_RES,
CODEC_SWDN
VDD3R3_CODEC
IC403,
IC404
BUFF
X401
38.4MHz
CODEC_MCLKC
UART6_CTS,UART6_RTS,
UART6_TX,UART6_RX
EIOINT
SCL2_5,SDA2_5
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