Sharp GX30 Service Manual page 84

GX30
Phone E Market Service Manual Service Manual GX30
CHAPTER 4.
DIAGRAMS
[1] Block diagram
[Main]
REFCHG
REFOUT
EP100
RECEIVER
VCORE
JK101
HANDS FREE
CONNECTOR
IC508
817A30NB
REG
3.0V
6 3 7
CONFIDENTIAL
AFCDAC, PA
IP, INQP,
QN
LIGHT1
LIGHT2
For BATTERY
LIGHT3
TEMP2
TH101
THERMISTOR
TEMP1
TH701
THERMISTOR
For CAMERA
AUXADC2
REFEN, REF
A
AOUT1P/1N
GPIO_36
AOUT3R
VVCXO D
AOUT3L
D
AIN1P/AIN1N
MIC100
AIN2P/AIN2N
MICROPHONE
USB_VBUS
VUSB
VBAT
GPO_4
D505
VINT
IC502
BU7870KN
USB CONTROLLER
9 2
CN502
EXTERNAL CONNECTOR
Figure 1 MAIN BLOCK DIAGRAM (1/2)
RF I/F
IC103
VBAT
AD6535
ANALOG BASEBAND
BASEBAND SECTION
Filter DAC
Filter DAC
ADC Filter
ADC
Filter
Filter RAMP DAC
Ramp RAM
AFC DAC
x 3
Light Controller
AUX ADC
Voltage Reference
BUFFER
AUXRILY SECTION
AIN3L
AIN3R
Tone Generator
PGA DAC
DAC
PGA
ADC
PGA
AUDIO SECTION
VMIC VMIC
LDO
VABB
LDO
VUSB
LDO
REGULATOR
VBACK
CONTOROL
LDO
VRTC
LDO
SIM
LDO
VAPP VCXO
LDO LDO
VUSB
Q504
POWER-UP
KEY
USB_VBUS
8 4
4 – 1
CLKON, GPO_1 (TXON),
GPO_9 (BS3), GPO_11(BS4)
GPO_16 (BS1) GPO_17(BS2)
GMSK
MOD
Baseband
Serial
Port
GPO_29(RESETABB)
Control
Serial
Port
INTERRUPT LOGIC
Filter
Audio
Serial
Filter
Port
VINT
Filter
POWER MANAGEMENT SECTION
POWER ON
RESET GENERATOR
RESET
VCHG
BATTERY
CHARGER
REG
4.5V
VEXT VMEM VCORE
LDO LDO LDO
GPIO_11
FLIP-KEY
LIGHT3
KEY PAD
BACK LIGHT
KEYPAD:5 x 5
LIGHT2
5.2V/600mA IC507
from AC/DC CHARGER
TC7SET00FU
5
LOGIC
1 10
GPO_18 (SYNTHEN)
GPO_20 (SYNTHDATA)
GPO_21 (SYNTHCLK)
CLKI
(13M
IC106
AD6529
DIG
BSIFS BSDI
BSOFS BSDO
GPO_1 (TXON),
GPO_0 (RXON),
GPO_5 (ASM)
CSFS CSDI
CSDO
MCU
MCLKEN
CLKOUT
(13MHz)
BO
R
GPIO_37
Se
(Interrupt)
num
ASFS ASDI
ASDO
IC108 nRESET
R3112Q261A
VOLTAGE
DETECTOR
2.6V
IC116
RQ5RW45B
PWRON
(DBBON),
CLKON
(VCXOEN)
(LDOEN)
VHGOSC, GATEDR
CHGDACREF, ISEN
REFCHG, VBATSEN
SIMD
SIMC
GPIO
VSIM
SIM
CARD
3.0V / (1.8V)
IC503
VIN
TK73840
EN
REG
for USB p