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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
SAT_DET
FL460
945MHz
DCS_LNA275
FL450
1805-1880MHz
A1
DCS_LNA275
G
S
M
_
L
N
A
2
7
5
PAC_275
U101
Q101
Q105
SW_RF
Q105
MIX_275
PAC_275
FL300
900/1800MHZ
GSM_PINDIODE
GSM_PINDIODE
CR306
CR307
Q303
Q304
Q304
-5V_SW
PA_B+
D
U400
U300
Q106
Q331
Q330
PA_B+
B+
DM_CS
RF_V2
-5V_SW
-5V
PAC_275
Q104
Q104
Q102
MIX_275
Q451
FL465
1842,5MHz
MIX_275
Q461
FL470
942,5MHz
GSM_LNA275
MIX_275
GSM_LNA275
DCS_LNA275
Q1254
RVCO_250
SF_OUT
RVCO_250
Q255
Q253
DCS_VCO
CR251
CR250
VCTRL PAC_275
G_TX_VCO
D_TX_VCO
Q331
Q300
Q400
PA_B+
D_TX_VCO
PAC_275
Q303
Q302
Q302
Q301
G_TX_VCO
VCTRL
PAC_275
U340
PAC_275
CR300
CR301
Q455
TVCO_250
Q333
Q262
Q1254
MIX_275
FL457
400MHz
Q490
V1
RF_V2
RF_V2
SF_OUT
TX_KEY_PAC
DET_SW
SAT_DET
U201
GSM_SEL
SAT_DET
DET_SW
TX_KEY_PAC
NPA_MUTE
PA_B+
U341
U250
1747,5MHz
G_TX_VCO
D_TX_VCO
SF_OUT
PAC_275
DCS_SEL
V1
V
1
_
F
IL
T
D
C
S
_
S
E
L
U913
MAGIC
CR259
Q1255
RF_V1
R
F
_
V
2
RF_V2
MIX_275
GSM_SEL
RVCO_250
RF_V2
Q345
Q340
DCS_SEL
MIX_275
GSM_SEL
Q342
GSM_LNA275
DCS_LNA275
NPA_MUTE
TX_EN
DCS_VCO
RX_EN
SF_OUT
TVCO_250
SF_OUT
RVCO_250
V1_FILT V1_SW
Q344
B
C
L
K
R
B
F
S
R
B
D
R
R
X
_
A
C
Q
G
P
0
4
G
P
0
5
CR230
V1
RF_V1
BCLKX
CLK_SELECT
TX_KEY
DM_CS
MQSPI_CS1
MQSPI_CLK1
DX1
BDX
RF_V1
Vref
RF_V2
B+
Q240
Q242
Y230
26MHz
V
1
_
F
IL
T
V
1
_
F
IL
T
U200
DM_CS
TX_EN
Q202
Q202
DET_SW
TX_KEY_PAC
Vref
RF_V2
Q251
Q251
MAGIC_13MHz
TX_EN
TX_EN
Q343
Q346
RF_V2
DCS_SEL
PAC_275
GSM_PINDIODE
-5V
GSM_SEL
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
13 MHz REFERENCE CLOCK
TEXT
REFERENCE SIGNALS
DATA BUS
ADDRESS BUS
Q301
Q201
Q322
Q320
Q321
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: ......