19.44MHz
C153
page B21
2.75V
RX_2.75V
page B25
page B25
RX_DATA
TX_DATA
IRQ
MISO
U1900
U1000
page B37
page B33
U1000
page B37
U1900
page B33
MOSI
CLK
SS1
U1000
page B37
U1000
page B37
U1000
page B37
LOAD_SWITCH
A_D
BATT_SAV
TX_STEP
FE_EN
QMOD_KEY
ZIFSYN_REF
DEMOD
TX_ENB
RX_I
RX_Q
RF_DET
AFC
AOC_CNTL
AGC_RSSI
REF_2.75V
TX_IX
TX_I
FM
FS
SCLK
RESET
AGC_STEP
TX_Q
TX_QX
FE_EN
TX_2.75
BATT_SAV
U1800-16
U1800-18
INTEG_EN
U1900
page B25
page B25
page B33
U110
page B7
U110
page B7
U110
page B7
CR504
page B19
U110
page B7
U150
page B21
R342
page B13
U110
page B7
U301
page B13
U301
page B13
C306
page B11
U10-14
page B5
U301
page B13
U301
page B13
U110
page B7
U1000
page B37
U1900
U1900
page B33
page B33
Q820
U301,Q811
page B19
page B13
U110
U301,Q503
U10-14
page B7
page B5
page B13
page B19
page B13
U301,Q1500
page B25
U1907-60
page B35
page B15
page B19
Q505
C
TX
On
Off
G
TDMA T2290/T2297:
DCI(U1800)
R1830
Q1803
R10013
C1801
Q1802
C1804
C1805
R1804
C1800
R1800
C1802
R1811
R1801
R1806
C132
R1810
R1820
C1803
C1506
1
12
13
25
36
37
48
3
2
4
5
6
8
7
9
10
11
14
15
16
17
20
18
19
21
22
46
23
47
27
30
31
32
29
28
26
33
34
35
45
44
43
42
41
40
39
38
24
RBIAS
VREBUF
B23
Motorola Confidential Proprietary
This manual is Motorola property. Copying or
distribution strictly prohibited without prior written
consent from Motorola and must be returned upon
Motorola's request.
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
Colored boxes represent the area in
which the components are placed.
Channel: 333
Cellular TX Freq:
834.99MHz
PCS TX Freq:
1859.97MHz
Cellular RX Input Freq:
879.99MHz
PCS RX Input Freq:
1940.01MHz
RX Input:
-20dBm
TX Power Level 2
RX SIGNAL
VOLTAGE SUPPLIES
TX SIGNAL
A
-20 -80 -116
RX Input
2.36V 1.43V .39V
0.6Vpp
A
C
B
D
E
B
B
RX
On
Off
F
G
E
Analog Digital
D
Power Step
0-5
6-10
F
RX Input
<-51dBm >-39dBm
.11V 2.82V
0.1V 2.82V
1.81V 2.83V
2.95V
.11V
.03V
2.81V
Содержание T2290
Страница 1: ...DIGITAL WIRELESS TELEPHONE Service Manual Level 3 Release 1 TDMA T2290 T2297 ...
Страница 26: ... 2000 Motorola Inc TDMA T2290 T2297 Cellular Overview 16 ...
Страница 40: ...Motorola Confidential Proprietary TDMA T2290 T2297 TDMA Test Mode NAM Programming 30 ...
Страница 68: ...Disassembly TDMA T2290 T2297 Keypad Removal Motorola Confidential Proprietary 58 ...