U980
D
u
a
lB
a
n
d
D
A
O
(
V
8
0
8
8
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8
4
8
6
1
8
3
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1
GSM SERVICE SUPPORT GROUP
17.02.00
Level 3 Schematics
Rev. 1.0
Dualband DAO (V8088)
8486183p01
Michael Hansen, Ralf Lorenzen, Ray Collins
Page 1
REVISIONS
DOWNLINK_AD
V2
BATT_SER_DATA
RS232_TX
RS232_RX
V2
Q803
CR942
J600
SW_RF
V2
BATT_FDBK
MAN_TEST_AD
UPLINK
DOWNLINK
DSC_EN
EXT_B+
DSC_EN_AD
BATT+
V2 STDBY
THERM
BATT_THERM
Q628
BATT_SER_DATA
EXT_B+
UPLINK
DOWNLINK
VS944
V2
BOOM_EN
SPK-
Q981
J650
HS_MIC
V2
HEAD_INT
CR920
J910
U980
BOOM_PWR
VAG
G
C
A
P
_
C
L
K
V
C
L
K
V
D
R
V
D
X
V
F
S
R
X
S
R
_
C
S
S
R
_
V
C
C
LS_V1
V2
D
I
G
_
A
U
D
(3
:0
)
Q960
VREF
STDBY
V2
DCABLE_INT
LS_V1
Q911
Q912
Q710
DR2
DX2
MQSPI_CLK2
MQSPI_CS0
V1
V1
D
IG
_
A
U
D
(3
:0
)
G
C
A
P
_
M
Q
S
P
I(
3
:0
)
(WAS SCI_RX)
URTS_PA5
OWDAT
D
S
C
_
T
X
D
D
S
C
_
R
X
D
S
IM
P
D
0
(WAS SCI_TX)
SVEN0
TX_EN
DM_CS
TX_KEY
RX_EN
U703
CR701
V
I
B
_
E
N
B
K
L
T
_
E
N
IN
T
R
_
O
U
T
2
IN
T
R
_
O
U
T
1
V2
V1
V2
V3
Q921
Q920
LS_V1
VSIM1
B+
V_BOOST1
BATT_THERM
DSC_EN_AD
DOWNLINK_AD
MAN_TEST_AD
U900
GCAP 4.0
SPI_CLK
SPI_DR
SPI_DW
B+
V
A
G
V2
SPK+
SPK-
SIM_TX
S
IM
_
T
X
S
IM
_
R
X
U940
VS945
AL900
Q938
B+
BATT+
V2
V_BOOST1
CR901
PWR_SW
GCAP_INT
CLKIN
Y900
32,768kHz
R
E
S
E
T
MAGIC_QSPI(3:0)
GCLK
TEST_ENH
V
R
V
A
_
IN
T
D
C
A
B
L
E
_
IN
T
H
E
A
D
_
IN
T
H
S
_
IN
T
KBR0
BOOM_EN
-5V_EN
EXT_CHG
PB12
PB10
CHRG_EN
PB5
PB4
ALRT_RED_CRTL
ALRT_GRN_CRTL
LED_RED
LED_GRN
MQSPI_CS2
DSP_CLK_OUT
KBC4
KBC3
KBC2
KBC1
KBC0
KBR4
KBR3
KBR2
KBR1
RX_ACQ
RFI
RCLOCK
T
I
M
IN
G
7
T
IM
IN
G
8
C
L
K
_
S
E
L
E
C
T
B
C
L
K
X
B
D
X
B
C
L
K
R
B
D
R
B
F
S
R
UTXD
URXD
EMU1
EMU0
TCK
TMS
TRST*
RESET
TDO
TDI
S
IM
_
R
X
S
IM
_
T
X
U
R
T
S
_
P
A
5
C
T
S
D
B
G
A
C
K
IR
Q
F
IQ
T
S
IZ
E
T
S
T
R
O
B
E
*
T
S
T
A
T
E
0
T
S
T
A
T
E
1
T
S
T
A
T
E
2
M
C
L
K
IN
T
_
C
S
WHITE_CAP
U700
V3
V2
DR1
DX1
MQSPI_CLK1
MQSPI_CS1
MAGIC_13MHz
WDOG
RTC_BATT
B+
B+
Q901
Q902
Q902
EXT_B+
EXT_B+
Q932
CR932
VREF
ALRT_VCC
B+
-5V
LS_V1
-5V_EN
BKLT+
KBC1 V2
U901
V2
VSIM1
PD
RST
I/O
CLK
VSIM1
J900
BATT+
THERM
V2
ALRT_VCC
BKLT_EN
Q939
U950
Q950
B+
BATT+
CHRG_EN
CR940
Q942
Q634
CR910
U701
EPROM
DP_EN
CE8
VRVA_INT
JTAG CONNECTOR
TMS
EMU1
TDI
EMU0
TDO
TRST*
TCK
V2
C
E
1
C
E
0
R
_
W
C
E
3
C
E
2
ADDRESS (21:0)
SR_VCC
V2
U702
V2
SR_CS
V2
V2
DATA (15:0)
ALRT_RED
ALRT_GRN
V2
R
E
S
E
T
R
T
C
_
B
A
T
T
J700
VIB_EN
BATT+
BATT_FDBK
KBR0
V2
KBR1
KBR2
KBC0
KBC1
KBC2
KBC3
HS_INT
PWR_SW
Q635
V2
KBC2
KBC0
KBC1
V2
KBR3
LED_GRN
KBR0
KBC2
KBC0
CR948
V2
LED_RED
V2
CR806
CR806
Q805 Q805
J800
BKLT+
J810
J811
U801
Q806
Q806
ALRT_GRN_CRTL
ALRT_RED_CRTL
B+
V2
DP_EN
R_W
BKLT+
SPK-
SPK+
CE4
CE5
MIC CON
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
REFERENCE CLOCK
TEXT
REFERENCE SIGNALS
DATA BUS
ADDRESS BUS
from U900
RS232_TX
RS232_RX
Ext. Con.
SIM CON.
Keyboard Con.
Flip Con.