Sharp 902SH Service Manual page 79

902SH
Pin No. Terminal name
55 XOOC
56* NC
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
RFHA
LNA
RFHB
1,800 MHz
RFHC
LNA
RFHD
1,900 MHz
RFLA
LNA
RFLB
800/
900 MHz
VCCBUF
GNDBUF
VCCVCO
GNDVCO
GNDVAR
VTUNE
VCO
PHDOUT
XOOB
XO
XOOC
VCCPLL
GNDPLL
XOOLA
PS
IC101 (AB1011): GSM CODEC
Pin No. Terminal name
1 VSS
2 VDD
3* DAC03
4 IDAT
5 QRB
6 QRA
7 IRB
8 IRA
9 VSS
10 DEC4
11* DAC02
12 RXSTR
13 VDD
CONFIDENTIAL
Input/Output
Input XO input B
– Not used
0 90 0
DIV DIV
CHARGE
PUMP
PHASE
DETECTOR
Input/Output
– Earth (substrate)
– VCC
– Internally connected, high impedance (floating) (Not used)
Output Output from ADC I-channel
Input Differential input to the ADC Q-channel
Input Differential input to the ADC Q-channel
Input Differential input to the ADC I-channel
Input Differential input to the ADC I-channel
– Earth
– Reference de-coupling
– Internally connected, high impedance (floating) (Not used)
Input Power up for the ADCs
– VCC
Description of terminal
CURRENT
REGULATOR
90
VCO
TEST
PHASE
DETECTOR
Description of terminal
6 – 2
IRA
IRB
QRA
QRB
REON
RXON
LOGIC
TXON
BSEL
CLK
DATA
BUSINTERFACE
STROBE
VCO
VCO
TXOLA
TXOLB
PCTL
TXOHA
TXOHB
MODA
MODB
DELAY
MODC
MODD