GSM SERVICE SUPPORT GROUP
09.02.00
LEVEL 3 Signal Flow
Rev. 1.0
DualBand DAO (V8088)
8486183p01
Michael Hansen, Ralf Lorenzen, Ray Collins
Page 1
REVISIONS
D
u
a
lB
a
n
d
D
A
O
(
V
8
0
8
8
)_
8
4
8
6
1
8
3
p
0
1
1
4
5
6
10
A
B
A
B
C
A7
A1
B1
I
I
2
7
1
8
9
16
1
8
9
16
11
12
13
14
11
12
13
14
F
F
G
A3
K
K
G
C
MAGIC
SIM CONN.
E
X
T
C
O
N
N
.
26MHz
J604
BATT CONN.
DISPLAY CONN.
WHITE_CAP
EPROM
K
E
Y
B
O
A
R
D
C
O
N
N
.
SRAM
TX_VCO IC
GCAP 4.0
900/1800MHz
IP
A
D
C
S
IP
A
G
S
M
400MHz
1805-
945MHz
1880MHz
942,5MHz
1
8
4
2
,5
M
H
z
HS CONN.
3
2
,7
6
8
k
H
z
PAC
L
L
2
1
7
8
14
N
M
N
M
O
O
7
2
P
P
E1
E2
H9
J9
J7
J6
Q
Q
G14
K5
D7
A7
B7
F5
C7
H6
1
2
4
5
8
H3
K1
H
H
26
25 23
1
2
E
D
E
D
H7
SPKR+
SPKR-
M
IC
_
O
U
T
A
U
X
_
M
IC
-
XTAL1
XTAL2
32kHz
CLK_IN
CLKIN
GCLK
GCAP_CLK
PLL_EMIT
PLL_BASE
CLK_OUT
PLL_CP
X
T
A
L
_
E
M
IT
X
T
A
L
_
B
A
S
E
C
P
_
R
X
C
P
_
T
X
PRSC_IN
PRE_IN
GSM RX ANTENNA SIGNAL
DCS RX ANTENNA SIGNAL
AMPLIFIED RX ANTENNA SIGNAL
RX SPEAKER LINE+
RX SPEAKER LINE-
RX VCO TUNING VOLTAGE
TX
/ RX
VCO
FEEDBACK LINE TO MAGIC
TX MIC LINE+
TX VCO TUNING VOLTAGE
FILTERED PA OUTPUT SIGNAL
PA DETECT LINE
PA TUNING VOLTAGE
PA TUNING VOLTAGE
PA TUNING VOLTAGE
PA TUNING VOLTAGE
MAGIC 13MHz
RX SPI BDR
RX SPI BFSR
RX SPI BCLKR
TX SPI BDX
TX SPI BCLKX
A
B
C
D
E
F
G
H
I
K
L
M
N
O
P
Q
J600
15 PIN EXT.CONN.
1
GND
2
SW_RF
3
GND
4
BATT_FDBK
5
MAN_TEST_AD
6
RS232_TX
7
RS232_RX
8
EXT_CHG_EN
9
ON / OFF
10
GND
11
UPLINK
12
DOWNLINK
13
DSC_EN
14
EXT_B+
15
GND
J700
27_PIN_FLIP_CONN
.
1
BKLT+
2
ALRT-RED
3
V2
4
V2
5
V2
6
GND
7
D7
8
NC
9
D6
10
D5
11
D4
12
V2
13
D3
14
D2
15
D1
16
V2
17
D0
18
R_W
19
A0
20
NC
21
DP_EN
22
RESET
23
SPKR+
24
GND
25
SPKR-
26
ALRT_GRN
27
RTC_BATT
U700
WHITE_CAP
E1
MAGIC_13MHz
U913
MAGIC
Y230
U900
GCAP_II
GCAP_CLK
E2
J6
G14
D7
F5
13MHz_CLK
K5
C7
GCLK
(32kHz)
Y900
26MHz
32,768kHz
J800
14 PIN_KEYBOARD_CONN
1
GND
2
BKLT+
3
GND
4
BKLT+
5
HS_INT
6
KBC3
7
KBC2
8
KBC1
9
KBC0
10
KBR2
11
KBR1
12
KBR0
13
PWR_SW
14
V2
1
4
5
8
1
4
5
8
2
3
7
6
GND
THERM
BATT_SER_DATA
BATT+
1
2
3
4
5
6
1
GND
2
SIM_VCC
3
SIM_VCC
4
*SIM_RST
5
SIM I / O
6
SIM_CLK
PAC_275
NPA_MUTE
PA_B+
DCS_SEL
MIX_275
GSM_LNA275
DCS_LNA275
GSM_SEL
RF_V2
B+
V3
V2
EXT_B+
B+
BATT+
SF_OUT
TVCO_250
DCS_LNA275
GSM_LNA275
V1
RF_V2
TX_EN
RF_V1
Vref
V_BOOST1
MIX_275
PA_B+
D_TX_VCO
SF_OUT
PAC_275
G_TX_VCO
V_SIM1
PAC_275
V2
HEAD_INT
DCS_LNA275
GSM_LNA275
SW_VCC
RVCO_250
SF_OUT
LS_V1
DCS_VCO
VREF
V1
4
7
SH200
SH700
SH300
G8
G9
F7
SDRX
SDFS
SCLK_OUT
R
S
T
R
S
T
B4
BFSR
C4
A3
C6
A2
BDR
BCLKR
BDX
BCLKX
U
V
U
V
J2SDTX
G7 TX_CLK
R
S
T
U
V
Summary of Contents for V8088
Page 1: ...V8088 Level 1 and 2 Service Manual 09 02 00 Ver 1 2 ...
Page 4: ...V8088 SECTION 1 GENERAL ...
Page 8: ...V8088 SECTION 2 V8088 DESCRIPTION ...
Page 14: ...V8088 SECTION 3 FEATURE LIST ...
Page 24: ...V8088 SECTION 4 DISASSEMBLY PARTS ...
Page 29: ...V8088 13 Remove Flip cover 14 Remove Flip rim pulling up towards speaker ...
Page 31: ...V8088 ...
Page 36: ...V8088 SECTION 5 SIM CARDS AND SECURITY ...
Page 41: ...V8088 SECTION 6 REPAIR AND TEST PROCEDURES ...
Page 47: ...V8088 SECTION 7 ACCESSORIES ...
Page 51: ...V8088 GSM 900 1800 V8088 Dao New Zealand PLAT ENG SA1560AW3B1 ...
Page 52: ...V8088 SECTION 8 GLOSSARY OF TERMS ...
Page 58: ...V8088 SECTION 9 NEW SALES MODELS ...
Page 63: ......