Service manual

SW_RF
from J600
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
SWITCH
SWITCH
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
PAC_275 MIX_275
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
GP04
F9
GSM LNA
SUPER FILTER
REG.
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_TX_VCO G_TX_VCO
PAC_275
12 10
6
Q400
C
B
Q300
C
B
Q455
C
B
U300
U400
DCS
PA
GSM
PA
10-15
10-15
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
GSM_PINDIODE
10
5
6
GSM_LNA275
DCS_LNA275
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
TAI CHI - ORGANISER P5.0
EUROPE MIDDLE EAST & AFRICA
CUSTOMER SERVICES
25.10.99
LEVEL 3 RF Block Diagram Rev. 1.1
TAI CHI ORGANISER
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
Q101 / Q102