![background image](http://html.mh-extra.com/html/motorola/p8088/p8088_service-manual_243817049.webp)
SW_RF
from J100
A1
U401
U101
SWITCH
CONTROL
DET
8
12
11
10
7
1, 3
2
4, 14
SAT.
EXT ANT
FL450
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
REFERENCE CLOCK
1805-1880MHz
Orderable Part
Non - Orderable Part
FL460
925-960MHz
Q461
Q451
FL465
FL470
Q1254
B
E
C
Q1254
B
E
C
SW_VCC
Q242
B+
E
E
B
B
RF_V1
RF_V2
C
C
to WhiteCap
from WhiteCap
Q240
800MHz
RX
LOCAL
OSCILLATOR
CR259
CR230
VRef
A9
E9
Osc.
circuty
discrete
U913
MAGIC
Q1255
PLL
H7, C8; J1
400 MHz
Q490
B
C
C
FL457
G1
S
W
IT
C
H
S
W
IT
C
H
J8
V1
RF_V1
C8
SF_OUT
CR250
C257
Q253
Q255
Q262
C1
MIX_275
DCS_LNA275
MIX_275
GSM_LNA275
B
B
C
C
P
A
C
_
2
7
5
M
IX
_
2
7
5
TX_KEY_OUT
SAT_DETECT
AOC_DRIVE
DET_SW
PAC_275
RF_IN
U340 PAC
PA
CONTROL
TX_KEY_OUT
SAT_DETECT
AOC_DRIVE
DETECT_SW
B6
C5
A5
B4
SPI
TX
MODULATION
A1
PLL
A3
STEP
ATT.
PHASE
SPI
RX
SPI
INTER
FACE
J2
G7
G5
H4
J3
( SDTX ) BDX
( TX_CLK ) BCLKX
( SPI_DATA ) DX1
( SPI_CLK ) MOSPI_CLK1
( CE ) MQSPI_CS1
F7
G9
G8
( SCLK_OUT ) BCLKR
( SDFS ) BFSR
( SDRX ) BDR
RX_ACQ
TX_KEY
DM_CS
CLK_SELCT
26MHz
J7
J6
MAGIC_13MHz
Startup
REFERENCE
OSCILLATOR
DET
PHASE
PLL
PHASE
DET
Reference
1 /2
MUX
LOGIC
CONTROL
H8
J4
H5
CR251
DCS_VCO
RVCO_250
G
P
0
4
F9
GSM LNA
S
U
P
E
R
F
IL
T
E
R
R
E
G
.
GSM_LNA275
DCS_LNA275
GSM / DCS SELECT CIRCUIT
TX LOOP
FILTER
from WhiteCap
to WhiteCap
from WhiteCap
925-960MHz
EGSM: 880-915Mhz
DCS: 1710-1785MHz
1805-1880MHz
RX VCO
EGSM: 1325-1360MHz
DCS: 1405-1480MHz
EGSM: 880-915Mhz
DCS: 1710-1785MHz
CIRCUIT
DCS_SEL
13MHz
A7
C7
F2
F1
H1
H2
C4
Q344
SF_OUT
RVCO_250
LOGIC
CONTROL
Q343
TX_EN
TVCO_250
U250
TX VCO
4
2
6
D
_
T
X
_
V
C
O
G
_
T
X
_
V
C
O
P
A
C
_
2
7
5
12
10
6
Q400
C
B
Q300
C
B
Q455
C
B
U300
U400
DCS
PA
GSM
PA
1
0
-1
5
1
0
-1
5
2
1, 7
7
2, 8
1
3
4
5
FL300
SHIFT LEVEL CIRCUIT
-5V_SW
U341
NPA_MUTE
PA_B+
PAC_275
PA_B+
DM_CS
B+
2
CR306,307
G
S
M
_
P
IN
D
IO
D
E
10
5
6
G
S
M
_
L
N
A
2
7
5
D
C
S
_
L
N
A
2
7
5
4
7
2
9
CR300
CR301
Y230
G6
( RX VCO, GSM/DCS SELECT )
( GSM / DCS SELECT )
1-3
4
5
G_TX_VCO
D_TX_VCO
GSM_PINDIODE
NPA_MUTE
TVCO_250
PAC_275
DCS_VCO
MIX_275
Prog.
Divider
D
U
A
L
B
A
N
D
K
R
U
N
C
H
EUROPE MIDDLE EAST & AFRICA
CUSTOMER SERVICES
05.08.99
LEVEL 3 RF Block Diagram
Rev. 1.1
Dualband Krunch
Ralf Lorenzen, Michael Hansen, Ray Collins
Page1
DETECTOR
A/D
Inductive layer
B1
3
1
DCS_LNA
J9
E1
DM_CS
TX_EN
V1_FILT
Q330
G_TX_VCO
D_TX_VCO
Содержание P8088
Страница 1: ...P8088 Level 1and 2 Service Manual Ver 1 0 ...
Страница 4: ...of 48 European Customer Services iv P8088 SECTION 1 GENERAL ...
Страница 8: ...of 48 European Customer Services 1 P8088 SECTION 2 P8088 DESCRIPTION ...
Страница 13: ...of 48 European Customer Services 6 P8088 SECTION 3 FEATURE LIST ...
Страница 20: ...of 48 European Customer Services 13 P8088 SECTION 4 DISASSEMBLY PARTS ...
Страница 25: ...of 48 European Customer Services 18 P8088 13 Carefully remove flip from front housing paying attention to flex ...
Страница 28: ...of 48 European Customer Services 21 P8088 SECTION 5 SIM CARDS AND SECURITY ...
Страница 33: ...of 48 European Customer Services 26 P8088 SECTION 6 REPAIR AND TEST PROCEDURES ...
Страница 39: ...of 48 European Customer Services 32 P8088 SECTION 7 ACCESSORIES ...
Страница 41: ...of 48 European Customer Services 34 P8088 SECTION 8 SALES MODELS ...
Страница 43: ...of 48 European Customer Services 36 P8088 SECTION 9 GLOSSARY OF TERMS ...